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Merge branch 'linus' into perf/core, to pick up fixes 

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2018-05-31 12:27:56 +02:00
parent 10b1105004 786b71f5b7
commit c52b5c5f96
130 changed files with 1051 additions and 484 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Documentation/networking/ppp_generic.txt
View File

@ -300,12 +300,6 @@ unattached instance are:
The ioctl calls available on an instance of /dev/ppp attached to a
channel are:
* PPPIOCDETACH detaches the instance from the channel. This ioctl is
deprecated since the same effect can be achieved by closing the
instance. In order to prevent possible races this ioctl will fail
with an EINVAL error if more than one file descriptor refers to this
instance (i.e. as a result of dup(), dup2() or fork()).
* PPPIOCCONNECT connects this channel to a PPP interface. The
argument should point to an int containing the interface unit
number. It will return an EINVAL error if the channel is already

16
MAINTAINERS
View File

@ -2332,7 +2332,7 @@ F: drivers/gpio/gpio-ath79.c
F: Documentation/devicetree/bindings/gpio/gpio-ath79.txt
ATHEROS ATH GENERIC UTILITIES
M: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>
M: Kalle Valo <kvalo@codeaurora.org>
L: linux-wireless@vger.kernel.org
S: Supported
F: drivers/net/wireless/ath/*
@ -2347,7 +2347,7 @@ S: Maintained
F: drivers/net/wireless/ath/ath5k/
ATHEROS ATH6KL WIRELESS DRIVER
M: Kalle Valo <kvalo@qca.qualcomm.com>
M: Kalle Valo <kvalo@codeaurora.org>
L: linux-wireless@vger.kernel.org
W: http://wireless.kernel.org/en/users/Drivers/ath6kl
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
@ -6503,9 +6503,15 @@ F: Documentation/networking/hinic.txt
F: drivers/net/ethernet/huawei/hinic/
HUGETLB FILESYSTEM
M: Nadia Yvette Chambers <nyc@holomorphy.com>
M: Mike Kravetz <mike.kravetz@oracle.com>
L: linux-mm@kvack.org
S: Maintained
F: fs/hugetlbfs/
F: mm/hugetlb.c
F: include/linux/hugetlb.h
F: Documentation/admin-guide/mm/hugetlbpage.rst
F: Documentation/vm/hugetlbfs_reserv.rst
F: Documentation/ABI/testing/sysfs-kernel-mm-hugepages
HVA ST MEDIA DRIVER
M: Jean-Christophe Trotin <jean-christophe.trotin@st.com>
@ -11626,7 +11632,7 @@ S: Maintained
F: drivers/media/tuners/qt1010*
QUALCOMM ATHEROS ATH10K WIRELESS DRIVER
M: Kalle Valo <kvalo@qca.qualcomm.com>
M: Kalle Valo <kvalo@codeaurora.org>
L: ath10k@lists.infradead.org
W: http://wireless.kernel.org/en/users/Drivers/ath10k
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
@ -11677,7 +11683,7 @@ S: Maintained
F: drivers/media/platform/qcom/venus/
QUALCOMM WCN36XX WIRELESS DRIVER
M: Eugene Krasnikov <k.eugene.e@gmail.com>
M: Kalle Valo <kvalo@codeaurora.org>
L: wcn36xx@lists.infradead.org
W: http://wireless.kernel.org/en/users/Drivers/wcn36xx
T: git git://github.com/KrasnikovEugene/wcn36xx.git

11
Makefile
View File

@ -2,7 +2,7 @@
VERSION = 4
PATCHLEVEL = 17
SUBLEVEL = 0
EXTRAVERSION = -rc6
EXTRAVERSION = -rc7
NAME = Merciless Moray
# *DOCUMENTATION*
@ -500,6 +500,9 @@ RETPOLINE_CFLAGS_CLANG := -mretpoline-external-thunk
RETPOLINE_CFLAGS := $(call cc-option,$(RETPOLINE_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_CFLAGS_CLANG)))
export RETPOLINE_CFLAGS
KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
# check for 'asm goto'
ifeq ($(call shell-cached,$(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)
CC_HAVE_ASM_GOTO := 1
@ -621,9 +624,9 @@ endif # $(dot-config)
# Defaults to vmlinux, but the arch makefile usually adds further targets
all: vmlinux
KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,)
CFLAGS_GCOV := -fprofile-arcs -ftest-coverage \
$(call cc-option,-fno-tree-loop-im) \
$(call cc-disable-warning,maybe-uninitialized,)
export CFLAGS_GCOV CFLAGS_KCOV
# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default

6
arch/arm/boot/dts/sun4i-a10.dtsi
View File

@ -76,7 +76,7 @@ framebuffer-fe0-lcd0-hdmi {
allwinner,pipeline = "de_fe0-de_be0-lcd0-hdmi";
clocks = <&ccu CLK_AHB_LCD0>, <&ccu CLK_AHB_HDMI0>,
<&ccu CLK_AHB_DE_BE0>, <&ccu CLK_AHB_DE_FE0>,
<&ccu CLK_DE_BE0>, <&ccu CLK_AHB_DE_FE0>,
<&ccu CLK_DE_BE0>, <&ccu CLK_DE_FE0>,
<&ccu CLK_TCON0_CH1>, <&ccu CLK_HDMI>,
<&ccu CLK_DRAM_DE_FE0>, <&ccu CLK_DRAM_DE_BE0>;
status = "disabled";
@ -88,7 +88,7 @@ framebuffer-fe0-lcd0 {
allwinner,pipeline = "de_fe0-de_be0-lcd0";
clocks = <&ccu CLK_AHB_LCD0>, <&ccu CLK_AHB_DE_BE0>,
<&ccu CLK_AHB_DE_FE0>, <&ccu CLK_DE_BE0>,
<&ccu CLK_AHB_DE_FE0>, <&ccu CLK_TCON0_CH0>,
<&ccu CLK_DE_FE0>, <&ccu CLK_TCON0_CH0>,
<&ccu CLK_DRAM_DE_FE0>, <&ccu CLK_DRAM_DE_BE0>;
status = "disabled";
};
@ -99,7 +99,7 @@ framebuffer-fe0-lcd0-tve0 {
allwinner,pipeline = "de_fe0-de_be0-lcd0-tve0";
clocks = <&ccu CLK_AHB_TVE0>, <&ccu CLK_AHB_LCD0>,
<&ccu CLK_AHB_DE_BE0>, <&ccu CLK_AHB_DE_FE0>,
<&ccu CLK_DE_BE0>, <&ccu CLK_AHB_DE_FE0>,
<&ccu CLK_DE_BE0>, <&ccu CLK_DE_FE0>,
<&ccu CLK_TCON0_CH1>, <&ccu CLK_DRAM_TVE0>,
<&ccu CLK_DRAM_DE_FE0>, <&ccu CLK_DRAM_DE_BE0>;
status = "disabled";

1
arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
View File

@ -117,6 +117,7 @@ &emac {
phy-handle = <&int_mii_phy>;
phy-mode = "mii";
allwinner,leds-active-low;
status = "okay";
};
&hdmi {

2
arch/arm/boot/dts/sun8i-v3s-licheepi-zero-dock.dts
View File

@ -51,7 +51,7 @@ / {
leds {
/* The LEDs use PG0~2 pins, which conflict with MMC1 */
status = "disbaled";
status = "disabled";
};
};

2
arch/arm/mach-ep93xx/core.c
View File

@ -323,7 +323,7 @@ void __init ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr)
/* All EP93xx devices use the same two GPIO pins for I2C bit-banging */
static struct gpiod_lookup_table ep93xx_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
/* Use local offsets on gpiochip/port "G" */
GPIO_LOOKUP_IDX("G", 1, NULL, 0,

2
arch/arm/mach-ixp4xx/avila-setup.c
View File

@ -51,7 +51,7 @@ static struct platform_device avila_flash = {
};
static struct gpiod_lookup_table avila_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SDA_PIN,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

2
arch/arm/mach-ixp4xx/dsmg600-setup.c
View File

@ -70,7 +70,7 @@ static struct platform_device dsmg600_flash = {
};
static struct gpiod_lookup_table dsmg600_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", DSMG600_SDA_PIN,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

2
arch/arm/mach-ixp4xx/fsg-setup.c
View File

@ -56,7 +56,7 @@ static struct platform_device fsg_flash = {
};
static struct gpiod_lookup_table fsg_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", FSG_SDA_PIN,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

2
arch/arm/mach-ixp4xx/ixdp425-setup.c
View File

@ -124,7 +124,7 @@ static struct platform_device ixdp425_flash_nand = {
#endif /* CONFIG_MTD_NAND_PLATFORM */
static struct gpiod_lookup_table ixdp425_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", IXDP425_SDA_PIN,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

2
arch/arm/mach-ixp4xx/nas100d-setup.c
View File

@ -102,7 +102,7 @@ static struct platform_device nas100d_leds = {
};
static struct gpiod_lookup_table nas100d_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", NAS100D_SDA_PIN,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

2
arch/arm/mach-ixp4xx/nslu2-setup.c
View File

@ -70,7 +70,7 @@ static struct platform_device nslu2_flash = {
};
static struct gpiod_lookup_table nslu2_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", NSLU2_SDA_PIN,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

2
arch/arm/mach-pxa/palmz72.c
View File

@ -322,7 +322,7 @@ static struct soc_camera_link palmz72_iclink = {
};
static struct gpiod_lookup_table palmz72_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", 118, NULL, 0,
GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

4
arch/arm/mach-pxa/viper.c
View File

@ -460,7 +460,7 @@ static struct platform_device smc91x_device = {
/* i2c */
static struct gpiod_lookup_table viper_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.1",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", VIPER_RTC_I2C_SDA_GPIO,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
@ -789,7 +789,7 @@ static int __init viper_tpm_setup(char *str)
__setup("tpm=", viper_tpm_setup);
struct gpiod_lookup_table viper_tpm_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.2",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", VIPER_TPM_I2C_SDA_GPIO,
NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

2
arch/arm/mach-sa1100/simpad.c
View File

@ -327,7 +327,7 @@ static struct platform_device simpad_gpio_leds = {
* i2c
*/
static struct gpiod_lookup_table simpad_i2c_gpiod_table = {
.dev_id = "i2c-gpio",
.dev_id = "i2c-gpio.0",
.table = {
GPIO_LOOKUP_IDX("gpio", 21, NULL, 0,
GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),

1
arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
View File

@ -299,7 +299,6 @@ gpio15: gpio@f702b000 {
/* GPIO blocks 16 thru 19 do not appear to be routed to pins */
dwmmc_0: dwmmc0@f723d000 {
max-frequency = <150000000>;
cap-mmc-highspeed;
mmc-hs200-1_8v;
non-removable;

24
arch/arm64/include/asm/atomic_lse.h
View File

@ -117,7 +117,7 @@ static inline void atomic_and(int i, atomic_t *v)
/* LSE atomics */
" mvn %w[i], %w[i]\n"
" stclr %w[i], %[v]")
: [i] "+r" (w0), [v] "+Q" (v->counter)
: [i] "+&r" (w0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@ -135,7 +135,7 @@ static inline int atomic_fetch_and##name(int i, atomic_t *v) \
/* LSE atomics */ \
" mvn %w[i], %w[i]\n" \
" ldclr" #mb " %w[i], %w[i], %[v]") \
: [i] "+r" (w0), [v] "+Q" (v->counter) \
: [i] "+&r" (w0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@ -161,7 +161,7 @@ static inline void atomic_sub(int i, atomic_t *v)
/* LSE atomics */
" neg %w[i], %w[i]\n"
" stadd %w[i], %[v]")
: [i] "+r" (w0), [v] "+Q" (v->counter)
: [i] "+&r" (w0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@ -180,7 +180,7 @@ static inline int atomic_sub_return##name(int i, atomic_t *v) \
" neg %w[i], %w[i]\n" \
" ldadd" #mb " %w[i], w30, %[v]\n" \
" add %w[i], %w[i], w30") \
: [i] "+r" (w0), [v] "+Q" (v->counter) \
: [i] "+&r" (w0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS , ##cl); \
\
@ -207,7 +207,7 @@ static inline int atomic_fetch_sub##name(int i, atomic_t *v) \
/* LSE atomics */ \
" neg %w[i], %w[i]\n" \
" ldadd" #mb " %w[i], %w[i], %[v]") \
: [i] "+r" (w0), [v] "+Q" (v->counter) \
: [i] "+&r" (w0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@ -314,7 +314,7 @@ static inline void atomic64_and(long i, atomic64_t *v)
/* LSE atomics */
" mvn %[i], %[i]\n"
" stclr %[i], %[v]")
: [i] "+r" (x0), [v] "+Q" (v->counter)
: [i] "+&r" (x0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@ -332,7 +332,7 @@ static inline long atomic64_fetch_and##name(long i, atomic64_t *v) \
/* LSE atomics */ \
" mvn %[i], %[i]\n" \
" ldclr" #mb " %[i], %[i], %[v]") \
: [i] "+r" (x0), [v] "+Q" (v->counter) \
: [i] "+&r" (x0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@ -358,7 +358,7 @@ static inline void atomic64_sub(long i, atomic64_t *v)
/* LSE atomics */
" neg %[i], %[i]\n"
" stadd %[i], %[v]")
: [i] "+r" (x0), [v] "+Q" (v->counter)
: [i] "+&r" (x0), [v] "+Q" (v->counter)
: "r" (x1)
: __LL_SC_CLOBBERS);
}
@ -377,7 +377,7 @@ static inline long atomic64_sub_return##name(long i, atomic64_t *v) \
" neg %[i], %[i]\n" \
" ldadd" #mb " %[i], x30, %[v]\n" \
" add %[i], %[i], x30") \
: [i] "+r" (x0), [v] "+Q" (v->counter) \
: [i] "+&r" (x0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@ -404,7 +404,7 @@ static inline long atomic64_fetch_sub##name(long i, atomic64_t *v) \
/* LSE atomics */ \
" neg %[i], %[i]\n" \
" ldadd" #mb " %[i], %[i], %[v]") \
: [i] "+r" (x0), [v] "+Q" (v->counter) \
: [i] "+&r" (x0), [v] "+Q" (v->counter) \
: "r" (x1) \
: __LL_SC_CLOBBERS, ##cl); \
\
@ -435,7 +435,7 @@ static inline long atomic64_dec_if_positive(atomic64_t *v)
" sub x30, x30, %[ret]\n"
" cbnz x30, 1b\n"
"2:")
: [ret] "+r" (x0), [v] "+Q" (v->counter)
: [ret] "+&r" (x0), [v] "+Q" (v->counter)
:
: __LL_SC_CLOBBERS, "cc", "memory");
@ -516,7 +516,7 @@ static inline long __cmpxchg_double##name(unsigned long old1, \
" eor %[old1], %[old1], %[oldval1]\n" \
" eor %[old2], %[old2], %[oldval2]\n" \
" orr %[old1], %[old1], %[old2]") \
: [old1] "+r" (x0), [old2] "+r" (x1), \
: [old1] "+&r" (x0), [old2] "+&r" (x1), \
[v] "+Q" (*(unsigned long *)ptr) \
: [new1] "r" (x2), [new2] "r" (x3), [ptr] "r" (x4), \
[oldval1] "r" (oldval1), [oldval2] "r" (oldval2) \

8
arch/arm64/kernel/arm64ksyms.c
View File

@ -75,3 +75,11 @@ NOKPROBE_SYMBOL(_mcount);
/* arm-smccc */
EXPORT_SYMBOL(__arm_smccc_smc);
EXPORT_SYMBOL(__arm_smccc_hvc);
/* tishift.S */
extern long long __ashlti3(long long a, int b);
EXPORT_SYMBOL(__ashlti3);
extern long long __ashrti3(long long a, int b);
EXPORT_SYMBOL(__ashrti3);
extern long long __lshrti3(long long a, int b);
EXPORT_SYMBOL(__lshrti3);

15
arch/arm64/lib/tishift.S
View File

@ -1,17 +1,6 @@
/*
* Copyright (C) 2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#include <linux/linkage.h>

51
arch/arm64/mm/fault.c
View File

@ -293,6 +293,57 @@ static void __do_kernel_fault(unsigned long addr, unsigned int esr,
static void __do_user_fault(struct siginfo *info, unsigned int esr)
{
current->thread.fault_address = (unsigned long)info->si_addr;
/*
* If the faulting address is in the kernel, we must sanitize the ESR.
* From userspace's point of view, kernel-only mappings don't exist
* at all, so we report them as level 0 translation faults.
* (This is not quite the way that "no mapping there at all" behaves:
* an alignment fault not caused by the memory type would take
* precedence over translation fault for a real access to empty
* space. Unfortunately we can't easily distinguish "alignment fault
* not caused by memory type" from "alignment fault caused by memory
* type", so we ignore this wrinkle and just return the translation
* fault.)
*/
if (current->thread.fault_address >= TASK_SIZE) {
switch (ESR_ELx_EC(esr)) {
case ESR_ELx_EC_DABT_LOW:
/*
* These bits provide only information about the
* faulting instruction, which userspace knows already.
* We explicitly clear bits which are architecturally
* RES0 in case they are given meanings in future.
* We always report the ESR as if the fault was taken
* to EL1 and so ISV and the bits in ISS[23:14] are
* clear. (In fact it always will be a fault to EL1.)
*/
esr &= ESR_ELx_EC_MASK | ESR_ELx_IL |
ESR_ELx_CM | ESR_ELx_WNR;
esr |= ESR_ELx_FSC_FAULT;
break;
case ESR_ELx_EC_IABT_LOW:
/*
* Claim a level 0 translation fault.
* All other bits are architecturally RES0 for faults
* reported with that DFSC value, so we clear them.
*/
esr &= ESR_ELx_EC_MASK | ESR_ELx_IL;
esr |= ESR_ELx_FSC_FAULT;
break;
default:
/*
* This should never happen (entry.S only brings us
* into this code for insn and data aborts from a lower
* exception level). Fail safe by not providing an ESR
* context record at all.
*/
WARN(1, "ESR 0x%x is not DABT or IABT from EL0\n", esr);
esr = 0;
break;
}
}
current->thread.fault_code = esr;
arm64_force_sig_info(info, esr_to_fault_info(esr)->name, current);
}

16
arch/arm64/mm/mmu.c
View File

@ -933,13 +933,15 @@ int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t prot)
{
pgprot_t sect_prot = __pgprot(PUD_TYPE_SECT |
pgprot_val(mk_sect_prot(prot)));
pud_t new_pud = pfn_pud(__phys_to_pfn(phys), sect_prot);
/* ioremap_page_range doesn't honour BBM */
if (pud_present(READ_ONCE(*pudp)))
/* Only allow permission changes for now */
if (!pgattr_change_is_safe(READ_ONCE(pud_val(*pudp)),
pud_val(new_pud)))
return 0;
BUG_ON(phys & ~PUD_MASK);
set_pud(pudp, pfn_pud(__phys_to_pfn(phys), sect_prot));
set_pud(pudp, new_pud);
return 1;
}
@ -947,13 +949,15 @@ int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t prot)
{
pgprot_t sect_prot = __pgprot(PMD_TYPE_SECT |
pgprot_val(mk_sect_prot(prot)));
pmd_t new_pmd = pfn_pmd(__phys_to_pfn(phys), sect_prot);
/* ioremap_page_range doesn't honour BBM */
if (pmd_present(READ_ONCE(*pmdp)))
/* Only allow permission changes for now */
if (!pgattr_change_is_safe(READ_ONCE(pmd_val(*pmdp)),
pmd_val(new_pmd)))
return 0;
BUG_ON(phys & ~PMD_MASK);
set_pmd(pmdp, pfn_pmd(__phys_to_pfn(phys), sect_prot));
set_pmd(pmdp, new_pmd);
return 1;
}

7
arch/nds32/Kconfig
View File

@ -9,6 +9,12 @@ config NDS32
select CLKSRC_MMIO
select CLONE_BACKWARDS
select COMMON_CLK
select GENERIC_ASHLDI3
select GENERIC_ASHRDI3
select GENERIC_LSHRDI3
select GENERIC_CMPDI2
select GENERIC_MULDI3
select GENERIC_UCMPDI2
select GENERIC_ATOMIC64
select GENERIC_CPU_DEVICES
select GENERIC_CLOCKEVENTS
@ -82,6 +88,7 @@ endmenu
menu "Kernel Features"
source "kernel/Kconfig.preempt"
source "kernel/Kconfig.freezer"
source "mm/Kconfig"
source "kernel/Kconfig.hz"
endmenu

5
arch/nds32/Kconfig.cpu
View File

@ -1,10 +1,11 @@
comment "Processor Features"
config CPU_BIG_ENDIAN
bool "Big endian"
def_bool !CPU_LITTLE_ENDIAN
config CPU_LITTLE_ENDIAN
def_bool !CPU_BIG_ENDIAN
bool "Little endian"
default y
config HWZOL
bool "hardware zero overhead loop support"

7
arch/nds32/Makefile
View File

@ -23,9 +23,6 @@ export TEXTADDR
# If we have a machine-specific directory, then include it in the build.
core-y += arch/nds32/kernel/ arch/nds32/mm/
libs-y += arch/nds32/lib/
LIBGCC_PATH := \
$(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
libs-y += $(LIBGCC_PATH)
ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""'
BUILTIN_DTB := y
@ -35,8 +32,12 @@ endif
ifdef CONFIG_CPU_LITTLE_ENDIAN
KBUILD_CFLAGS += $(call cc-option, -EL)
KBUILD_AFLAGS += $(call cc-option, -EL)
LDFLAGS += $(call cc-option, -EL)
else
KBUILD_CFLAGS += $(call cc-option, -EB)
KBUILD_AFLAGS += $(call cc-option, -EB)
LDFLAGS += $(call cc-option, -EB)
endif
boot := arch/nds32/boot

2
arch/nds32/include/asm/Kbuild
View File

@ -16,6 +16,7 @@ generic-y += dma.h
generic-y += emergency-restart.h
generic-y += errno.h
generic-y += exec.h
generic-y += export.h
generic-y += fb.h
generic-y += fcntl.h
generic-y += ftrace.h
@ -49,6 +50,7 @@ generic-y += switch_to.h
generic-y += timex.h
generic-y += topology.h
generic-y += trace_clock.h
generic-y += xor.h
generic-y += unaligned.h
generic-y += user.h
generic-y += vga.h

3
arch/nds32/include/asm/bitfield.h
View File

@ -336,7 +336,7 @@
#define INT_MASK_mskIDIVZE ( 0x1 << INT_MASK_offIDIVZE )
#define INT_MASK_mskDSSIM ( 0x1 << INT_MASK_offDSSIM )
#define INT_MASK_INITAIAL_VAL 0x10003
#define INT_MASK_INITAIAL_VAL (INT_MASK_mskDSSIM|INT_MASK_mskIDIVZE)
/******************************************************************************
* ir15: INT_PEND (Interrupt Pending Register)
@ -396,6 +396,7 @@
#define MMU_CTL_D8KB 1
#define MMU_CTL_UNA ( 0x1 << MMU_CTL_offUNA )
#define MMU_CTL_CACHEABLE_NON 0
#define MMU_CTL_CACHEABLE_WB 2
#define MMU_CTL_CACHEABLE_WT 3

2
arch/nds32/include/asm/cacheflush.h
View File

@ -32,6 +32,8 @@ void flush_anon_page(struct vm_area_struct *vma,
#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
void flush_kernel_dcache_page(struct page *page);
void flush_kernel_vmap_range(void *addr, int size);
void invalidate_kernel_vmap_range(void *addr, int size);
void flush_icache_range(unsigned long start, unsigned long end);
void flush_icache_page(struct vm_area_struct *vma, struct page *page);
#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&(mapping)->i_pages)

2
arch/nds32/include/asm/io.h
View File

@ -4,6 +4,8 @@
#ifndef __ASM_NDS32_IO_H
#define __ASM_NDS32_IO_H
#include <linux/types.h>
extern void iounmap(volatile void __iomem *addr);
#define __raw_writeb __raw_writeb
static inline void __raw_writeb(u8 val, volatile void __iomem *addr)

3
arch/nds32/include/asm/page.h
View File

@ -27,6 +27,9 @@ extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
extern void clear_user_highpage(struct page *page, unsigned long vaddr);
void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
struct page *to);
void clear_user_page(void *addr, unsigned long vaddr, struct page *page);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
#define clear_user_highpage clear_user_highpage
#else

1
arch/nds32/include/asm/pgtable.h
View File

@ -152,6 +152,7 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
#define PAGE_CACHE_L1 __pgprot(_HAVE_PAGE_L | _PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_E | _PAGE_G | _PAGE_CACHE)
#define PAGE_MEMORY __pgprot(_HAVE_PAGE_L | _PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_E | _PAGE_G | _PAGE_CACHE_SHRD)
#define PAGE_KERNEL __pgprot(_PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_E | _PAGE_G | _PAGE_CACHE_SHRD)
#define PAGE_SHARED __pgprot(_PAGE_V | _PAGE_M_URW_KRW | _PAGE_D | _PAGE_CACHE_SHRD)
#define PAGE_DEVICE __pgprot(_PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_G | _PAGE_C_DEV)
#endif /* __ASSEMBLY__ */

2
arch/nds32/kernel/ex-entry.S
View File

@ -118,7 +118,7 @@ common_exception_handler:
/* interrupt */
2:
#ifdef CONFIG_TRACE_IRQFLAGS
jal arch_trace_hardirqs_off
jal trace_hardirqs_off
#endif
move $r0, $sp
sethi $lp, hi20(ret_from_intr)

32
arch/nds32/kernel/head.S
View File

@ -57,14 +57,32 @@ _nodtb:
isb
mtsr $r4, $L1_PPTB ! load page table pointer\n"
/* set NTC0 cacheable/writeback, mutliple page size in use */
mfsr $r3, $MMU_CTL
li $r0, #~MMU_CTL_mskNTC0
and $r3, $r3, $r0
#ifdef CONFIG_ANDES_PAGE_SIZE_4KB
ori $r3, $r3, #(MMU_CTL_mskMPZIU|(MMU_CTL_CACHEABLE_WB << MMU_CTL_offNTC0))
#ifdef CONFIG_CPU_DCACHE_DISABLE
#define MMU_CTL_NTCC MMU_CTL_CACHEABLE_NON
#else
ori $r3, $r3, #(MMU_CTL_mskMPZIU|(MMU_CTL_CACHEABLE_WB << MMU_CTL_offNTC0)|MMU_CTL_D8KB)
#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
#define MMU_CTL_NTCC MMU_CTL_CACHEABLE_WT
#else
#define MMU_CTL_NTCC MMU_CTL_CACHEABLE_WB
#endif
#endif
/* set NTC cacheability, mutliple page size in use */
mfsr $r3, $MMU_CTL
#if CONFIG_MEMORY_START >= 0xc0000000
ori $r3, $r3, (MMU_CTL_NTCC << MMU_CTL_offNTC3)
#elif CONFIG_MEMORY_START >= 0x80000000
ori $r3, $r3, (MMU_CTL_NTCC << MMU_CTL_offNTC2)
#elif CONFIG_MEMORY_START >= 0x40000000
ori $r3, $r3, (MMU_CTL_NTCC << MMU_CTL_offNTC1)
#else
ori $r3, $r3, (MMU_CTL_NTCC << MMU_CTL_offNTC0)
#endif
#ifdef CONFIG_ANDES_PAGE_SIZE_4KB
ori $r3, $r3, #(MMU_CTL_mskMPZIU)
#else
ori $r3, $r3, #(MMU_CTL_mskMPZIU|MMU_CTL_D8KB)
#endif
#ifdef CONFIG_HW_SUPPORT_UNALIGNMENT_ACCESS
li $r0, #MMU_CTL_UNA

3
arch/nds32/kernel/setup.c
View File

@ -293,6 +293,9 @@ void __init setup_arch(char **cmdline_p)
/* paging_init() sets up the MMU and marks all pages as reserved */
paging_init();
/* invalidate all TLB entries because the new mapping is created */
__nds32__tlbop_flua();
/* use generic way to parse */
parse_early_param();

2
arch/nds32/kernel/stacktrace.c
View File

@ -9,6 +9,7 @@ void save_stack_trace(struct stack_trace *trace)
{
save_stack_trace_tsk(current, trace);
}
EXPORT_SYMBOL_GPL(save_stack_trace);
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
@ -45,3 +46,4 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
fpn = (unsigned long *)fpp;
}
}
EXPORT_SYMBOL_GPL(save_stack_trace_tsk);

10
arch/nds32/kernel/vdso.c
View File

@ -23,7 +23,7 @@
#include <asm/vdso_timer_info.h>
#include <asm/cache_info.h>
extern struct cache_info L1_cache_info[2];
extern char vdso_start, vdso_end;
extern char vdso_start[], vdso_end[];
static unsigned long vdso_pages __ro_after_init;
static unsigned long timer_mapping_base;
@ -66,16 +66,16 @@ static int __init vdso_init(void)
int i;
struct page **vdso_pagelist;
if (memcmp(&vdso_start, "\177ELF", 4)) {
if (memcmp(vdso_start, "\177ELF", 4)) {
pr_err("vDSO is not a valid ELF object!\n");
return -EINVAL;
}
/* Creat a timer io mapping to get clock cycles counter */
get_timer_node_info();
vdso_pages = (&vdso_end - &vdso_start) >> PAGE_SHIFT;
vdso_pages = (vdso_end - vdso_start) >> PAGE_SHIFT;
pr_info("vdso: %ld pages (%ld code @ %p, %ld data @ %p)\n",
vdso_pages + 1, vdso_pages, &vdso_start, 1L, vdso_data);
vdso_pages + 1, vdso_pages, vdso_start, 1L, vdso_data);
/* Allocate the vDSO pagelist */
vdso_pagelist = kcalloc(vdso_pages, sizeof(struct page *), GFP_KERNEL);
@ -83,7 +83,7 @@ static int __init vdso_init(void)
return -ENOMEM;
for (i = 0; i < vdso_pages; i++)
vdso_pagelist[i] = virt_to_page(&vdso_start + i * PAGE_SIZE);
vdso_pagelist[i] = virt_to_page(vdso_start + i * PAGE_SIZE);
vdso_spec[1].pages = &vdso_pagelist[0];
return 0;

3
arch/nds32/lib/copy_page.S
View File

@ -2,6 +2,7 @@
// Copyright (C) 2005-2017 Andes Technology Corporation
#include <linux/linkage.h>
#include <asm/export.h>
#include <asm/page.h>
.text
@ -16,6 +17,7 @@ ENTRY(copy_page)
popm $r2, $r10
ret
ENDPROC(copy_page)
EXPORT_SYMBOL(copy_page)
ENTRY(clear_page)
pushm $r1, $r9
@ -35,3 +37,4 @@ ENTRY(clear_page)
popm $r1, $r9
ret
ENDPROC(clear_page)
EXPORT_SYMBOL(clear_page)

9
arch/nds32/mm/alignment.c
View File

@ -19,7 +19,7 @@
#define RA(inst) (((inst) >> 15) & 0x1FUL)
#define RB(inst) (((inst) >> 10) & 0x1FUL)
#define SV(inst) (((inst) >> 8) & 0x3UL)
#define IMM(inst) (((inst) >> 0) & 0x3FFFUL)
#define IMM(inst) (((inst) >> 0) & 0x7FFFUL)
#define RA3(inst) (((inst) >> 3) & 0x7UL)
#define RT3(inst) (((inst) >> 6) & 0x7UL)
@ -28,6 +28,9 @@
#define RA5(inst) (((inst) >> 0) & 0x1FUL)
#define RT4(inst) (((inst) >> 5) & 0xFUL)
#define GET_IMMSVAL(imm_value) \
(((imm_value >> 14) & 0x1) ? (imm_value - 0x8000) : imm_value)
#define __get8_data(val,addr,err) \
__asm__( \
"1: lbi.bi %1, [%2], #1\n" \
@ -467,7 +470,7 @@ static inline int do_32(unsigned long inst, struct pt_regs *regs)
}
if (imm)
shift = IMM(inst) * len;
shift = GET_IMMSVAL(IMM(inst)) * len;
else
shift = *idx_to_addr(regs, RB(inst)) << SV(inst);
@ -552,7 +555,7 @@ static struct ctl_table alignment_tbl[3] = {
static struct ctl_table nds32_sysctl_table[2] = {
{
.procname = "unaligned_acess",
.procname = "unaligned_access",
.mode = 0555,
.child = alignment_tbl},
{}

74
arch/nds32/mm/cacheflush.c
View File

@ -147,6 +147,25 @@ void flush_cache_vunmap(unsigned long start, unsigned long end)
cpu_icache_inval_all();
}
void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
struct page *to)
{
cpu_dcache_wbinval_page((unsigned long)vaddr);
cpu_icache_inval_page((unsigned long)vaddr);
copy_page(vto, vfrom);
cpu_dcache_wbinval_page((unsigned long)vto);
cpu_icache_inval_page((unsigned long)vto);
}
void clear_user_page(void *addr, unsigned long vaddr, struct page *page)
{
cpu_dcache_wbinval_page((unsigned long)vaddr);
cpu_icache_inval_page((unsigned long)vaddr);
clear_page(addr);
cpu_dcache_wbinval_page((unsigned long)addr);
cpu_icache_inval_page((unsigned long)addr);
}
void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma)
{
@ -156,11 +175,9 @@ void copy_user_highpage(struct page *to, struct page *from,
pto = page_to_phys(to);
pfrom = page_to_phys(from);
local_irq_save(flags);
if (aliasing(vaddr, (unsigned long)kfrom))
cpu_dcache_wb_page((unsigned long)kfrom);
if (aliasing(vaddr, (unsigned long)kto))
cpu_dcache_inval_page((unsigned long)kto);
local_irq_save(flags);
vto = kremap0(vaddr, pto);
vfrom = kremap1(vaddr, pfrom);
copy_page((void *)vto, (void *)vfrom);
@ -198,21 +215,25 @@ void flush_dcache_page(struct page *page)
if (mapping && !mapping_mapped(mapping))
set_bit(PG_dcache_dirty, &page->flags);
else {
int i, pc;
unsigned long vto, kaddr, flags;
unsigned long kaddr, flags;
kaddr = (unsigned long)page_address(page);
cpu_dcache_wbinval_page(kaddr);
pc = CACHE_SET(DCACHE) * CACHE_LINE_SIZE(DCACHE) / PAGE_SIZE;
local_irq_save(flags);
for (i = 0; i < pc; i++) {
vto =
kremap0(kaddr + i * PAGE_SIZE, page_to_phys(page));
cpu_dcache_wbinval_page(vto);
kunmap01(vto);
cpu_dcache_wbinval_page(kaddr);
if (mapping) {
unsigned long vaddr, kto;
vaddr = page->index << PAGE_SHIFT;
if (aliasing(vaddr, kaddr)) {
kto = kremap0(vaddr, page_to_phys(page));
cpu_dcache_wbinval_page(kto);
kunmap01(kto);
}
}
local_irq_restore(flags);
}
}
EXPORT_SYMBOL(flush_dcache_page);
void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
unsigned long vaddr, void *dst, void *src, int len)
@ -251,7 +272,7 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
void flush_anon_page(struct vm_area_struct *vma,
struct page *page, unsigned long vaddr)
{
unsigned long flags;
unsigned long kaddr, flags, ktmp;
if (!PageAnon(page))
return;
@ -261,7 +282,12 @@ void flush_anon_page(struct vm_area_struct *vma,
local_irq_save(flags);
if (vma->vm_flags & VM_EXEC)
cpu_icache_inval_page(vaddr & PAGE_MASK);
cpu_dcache_wbinval_page((unsigned long)page_address(page));
kaddr = (unsigned long)page_address(page);
if (aliasing(vaddr, kaddr)) {
ktmp = kremap0(vaddr, page_to_phys(page));
cpu_dcache_wbinval_page(ktmp);
kunmap01(ktmp);
}
local_irq_restore(flags);
}
@ -272,6 +298,25 @@ void flush_kernel_dcache_page(struct page *page)
cpu_dcache_wbinval_page((unsigned long)page_address(page));
local_irq_restore(flags);
}
EXPORT_SYMBOL(flush_kernel_dcache_page);
void flush_kernel_vmap_range(void *addr, int size)
{
unsigned long flags;
local_irq_save(flags);
cpu_dcache_wb_range((unsigned long)addr, (unsigned long)addr + size);
local_irq_restore(flags);
}
EXPORT_SYMBOL(flush_kernel_vmap_range);
void invalidate_kernel_vmap_range(void *addr, int size)
{
unsigned long flags;
local_irq_save(flags);
cpu_dcache_inval_range((unsigned long)addr, (unsigned long)addr + size);
local_irq_restore(flags);
}
EXPORT_SYMBOL(invalidate_kernel_vmap_range);
void flush_icache_range(unsigned long start, unsigned long end)
{
@ -283,6 +328,7 @@ void flush_icache_range(unsigned long start, unsigned long end)
cpu_cache_wbinval_range(start, end, 1);
local_irq_restore(flags);
}
EXPORT_SYMBOL(flush_icache_range);
void flush_icache_page(struct vm_area_struct *vma, struct page *page)
{

1
arch/nds32/mm/init.c
View File

@ -30,6 +30,7 @@ extern unsigned long phys_initrd_size;
* zero-initialized data and COW.
*/
struct page *empty_zero_page;
EXPORT_SYMBOL(empty_zero_page);
static void __init zone_sizes_init(void)
{

1
arch/powerpc/include/asm/kvm_book3s.h
View File

@ -96,6 +96,7 @@ struct kvmppc_vcore {
struct kvm_vcpu *runner;
struct kvm *kvm;
u64 tb_offset; /* guest timebase - host timebase */
u64 tb_offset_applied; /* timebase offset currently in force */
ulong lpcr;
u32 arch_compat;
ulong pcr;

1
arch/powerpc/kernel/asm-offsets.c
View File

@ -562,6 +562,7 @@ int main(void)
OFFSET(VCORE_NAPPING_THREADS, kvmppc_vcore, napping_threads);
OFFSET(VCORE_KVM, kvmppc_vcore, kvm);
OFFSET(VCORE_TB_OFFSET, kvmppc_vcore, tb_offset);
OFFSET(VCORE_TB_OFFSET_APPL, kvmppc_vcore, tb_offset_applied);
OFFSET(VCORE_LPCR, kvmppc_vcore, lpcr);
OFFSET(VCORE_PCR, kvmppc_vcore, pcr);
OFFSET(VCORE_DPDES, kvmppc_vcore, dpdes);

6
arch/powerpc/kernel/cpu_setup_power.S
View File

@ -28,6 +28,7 @@ _GLOBAL(__setup_cpu_power7)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
li r4,(LPCR_LPES1 >> LPCR_LPES_SH)
bl __init_LPCR_ISA206
@ -41,6 +42,7 @@ _GLOBAL(__restore_cpu_power7)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
li r4,(LPCR_LPES1 >> LPCR_LPES_SH)
bl __init_LPCR_ISA206
@ -57,6 +59,7 @@ _GLOBAL(__setup_cpu_power8)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
li r4,0 /* LPES = 0 */
@ -78,6 +81,7 @@ _GLOBAL(__restore_cpu_power8)
beqlr
li r0,0
mtspr SPRN_LPID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
ori r3, r3, LPCR_PECEDH
li r4,0 /* LPES = 0 */
@ -99,6 +103,7 @@ _GLOBAL(__setup_cpu_power9)
mtspr SPRN_PSSCR,r0
mtspr SPRN_LPID,r0
mtspr SPRN_PID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE | LPCR_HEIC)
or r3, r3, r4
@ -123,6 +128,7 @@ _GLOBAL(__restore_cpu_power9)
mtspr SPRN_PSSCR,r0
mtspr SPRN_LPID,r0
mtspr SPRN_PID,r0
mtspr SPRN_PCR,r0
mfspr r3,SPRN_LPCR
LOAD_REG_IMMEDIATE(r4, LPCR_PECEDH | LPCR_PECE_HVEE | LPCR_HVICE | LPCR_HEIC)
or r3, r3, r4

1
arch/powerpc/kernel/dt_cpu_ftrs.c
View File

@ -101,6 +101,7 @@ static void __restore_cpu_cpufeatures(void)
if (hv_mode) {
mtspr(SPRN_LPID, 0);
mtspr(SPRN_HFSCR, system_registers.hfscr);
mtspr(SPRN_PCR, 0);
}
mtspr(SPRN_FSCR, system_registers.fscr);

6
arch/powerpc/kvm/book3s_64_mmu_radix.c
View File

@ -162,7 +162,7 @@ static void kvmppc_radix_tlbie_page(struct kvm *kvm, unsigned long addr,
if (cpu_has_feature(CPU_FTR_P9_TLBIE_BUG))
asm volatile(PPC_TLBIE_5(%0, %1, 0, 0, 1)
: : "r" (addr), "r" (kvm->arch.lpid) : "memory");
asm volatile("ptesync": : :"memory");
asm volatile("eieio ; tlbsync ; ptesync": : :"memory");
}
static void kvmppc_radix_flush_pwc(struct kvm *kvm, unsigned long addr)
@ -173,7 +173,7 @@ static void kvmppc_radix_flush_pwc(struct kvm *kvm, unsigned long addr)
/* RIC=1 PRS=0 R=1 IS=2 */
asm volatile(PPC_TLBIE_5(%0, %1, 1, 0, 1)
: : "r" (rb), "r" (kvm->arch.lpid) : "memory");
asm volatile("ptesync": : :"memory");
asm volatile("eieio ; tlbsync ; ptesync": : :"memory");
}
unsigned long kvmppc_radix_update_pte(struct kvm *kvm, pte_t *ptep,
@ -584,7 +584,7 @@ int kvm_unmap_radix(struct kvm *kvm, struct kvm_memory_slot *memslot,
ptep = __find_linux_pte(kvm->arch.pgtable, gpa, NULL, &shift);
if (ptep && pte_present(*ptep)) {
old = kvmppc_radix_update_pte(kvm, ptep, _PAGE_PRESENT, 0,
old = kvmppc_radix_update_pte(kvm, ptep, ~0UL, 0,
gpa, shift);
kvmppc_radix_tlbie_page(kvm, gpa, shift);
if ((old & _PAGE_DIRTY) && memslot->dirty_bitmap) {

1
arch/powerpc/kvm/book3s_hv.c
View File

@ -2441,6 +2441,7 @@ static void init_vcore_to_run(struct kvmppc_vcore *vc)
vc->in_guest = 0;
vc->napping_threads = 0;
vc->conferring_threads = 0;
vc->tb_offset_applied = 0;
}
static bool can_dynamic_split(struct kvmppc_vcore *vc, struct core_info *cip)

97
arch/powerpc/kvm/book3s_hv_rmhandlers.S
View File

@ -692,6 +692,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
22: ld r8,VCORE_TB_OFFSET(r5)
cmpdi r8,0
beq 37f
std r8, VCORE_TB_OFFSET_APPL(r5)
mftb r6 /* current host timebase */
add r8,r8,r6
mtspr SPRN_TBU40,r8 /* update upper 40 bits */
@ -940,18 +941,6 @@ FTR_SECTION_ELSE
ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300)
8:
/*
* Set the decrementer to the guest decrementer.
*/
ld r8,VCPU_DEC_EXPIRES(r4)
/* r8 is a host timebase value here, convert to guest TB */
ld r5,HSTATE_KVM_VCORE(r13)
ld r6,VCORE_TB_OFFSET(r5)
add r8,r8,r6
mftb r7
subf r3,r7,r8
mtspr SPRN_DEC,r3
ld r5, VCPU_SPRG0(r4)
ld r6, VCPU_SPRG1(r4)
ld r7, VCPU_SPRG2(r4)
@ -1005,6 +994,18 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300)
mtspr SPRN_LPCR,r8
isync
/*
* Set the decrementer to the guest decrementer.
*/
ld r8,VCPU_DEC_EXPIRES(r4)
/* r8 is a host timebase value here, convert to guest TB */
ld r5,HSTATE_KVM_VCORE(r13)
ld r6,VCORE_TB_OFFSET_APPL(r5)
add r8,r8,r6
mftb r7
subf r3,r7,r8
mtspr SPRN_DEC,r3
/* Check if HDEC expires soon */
mfspr r3, SPRN_HDEC
EXTEND_HDEC(r3)
@ -1597,8 +1598,27 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_RADIX)
guest_bypass:
stw r12, STACK_SLOT_TRAP(r1)
mr r3, r12
/* Save DEC */
/* Do this before kvmhv_commence_exit so we know TB is guest TB */
ld r3, HSTATE_KVM_VCORE(r13)
mfspr r5,SPRN_DEC
mftb r6
/* On P9, if the guest has large decr enabled, don't sign extend */
BEGIN_FTR_SECTION
ld r4, VCORE_LPCR(r3)
andis. r4, r4, LPCR_LD@h
bne 16f
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
extsw r5,r5
16: add r5,r5,r6
/* r5 is a guest timebase value here, convert to host TB */
ld r4,VCORE_TB_OFFSET_APPL(r3)
subf r5,r4,r5
std r5,VCPU_DEC_EXPIRES(r9)
/* Increment exit count, poke other threads to exit */
mr r3, r12
bl kvmhv_commence_exit
nop
ld r9, HSTATE_KVM_VCPU(r13)
@ -1639,23 +1659,6 @@ guest_bypass:
mtspr SPRN_PURR,r3
mtspr SPRN_SPURR,r4
/* Save DEC */
ld r3, HSTATE_KVM_VCORE(r13)
mfspr r5,SPRN_DEC
mftb r6
/* On P9, if the guest has large decr enabled, don't sign extend */
BEGIN_FTR_SECTION
ld r4, VCORE_LPCR(r3)
andis. r4, r4, LPCR_LD@h
bne 16f
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
extsw r5,r5
16: add r5,r5,r6
/* r5 is a guest timebase value here, convert to host TB */
ld r4,VCORE_TB_OFFSET(r3)
subf r5,r4,r5
std r5,VCPU_DEC_EXPIRES(r9)
BEGIN_FTR_SECTION
b 8f
END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S)
@ -1905,6 +1908,14 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
cmpwi cr2, r0, 0
beq cr2, 4f
/*
* Radix: do eieio; tlbsync; ptesync sequence in case we
* interrupted the guest between a tlbie and a ptesync.
*/
eieio
tlbsync
ptesync
/* Radix: Handle the case where the guest used an illegal PID */
LOAD_REG_ADDR(r4, mmu_base_pid)
lwz r3, VCPU_GUEST_PID(r9)
@ -2017,9 +2028,11 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
27:
/* Subtract timebase offset from timebase */
ld r8,VCORE_TB_OFFSET(r5)
ld r8, VCORE_TB_OFFSET_APPL(r5)
cmpdi r8,0
beq 17f
li r0, 0
std r0, VCORE_TB_OFFSET_APPL(r5)
mftb r6 /* current guest timebase */
subf r8,r8,r6
mtspr SPRN_TBU40,r8 /* update upper 40 bits */
@ -2700,7 +2713,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
add r3, r3, r5
ld r4, HSTATE_KVM_VCPU(r13)
ld r5, HSTATE_KVM_VCORE(r13)
ld r6, VCORE_TB_OFFSET(r5)
ld r6, VCORE_TB_OFFSET_APPL(r5)
subf r3, r6, r3 /* convert to host TB value */
std r3, VCPU_DEC_EXPIRES(r4)
@ -2799,7 +2812,7 @@ END_FTR_SECTION(CPU_FTR_TM | CPU_FTR_P9_TM_HV_ASSIST, 0)
/* Restore guest decrementer */
ld r3, VCPU_DEC_EXPIRES(r4)
ld r5, HSTATE_KVM_VCORE(r13)
ld r6, VCORE_TB_OFFSET(r5)
ld r6, VCORE_TB_OFFSET_APPL(r5)
add r3, r3, r6 /* convert host TB to guest TB value */
mftb r7
subf r3, r7, r3
@ -3606,12 +3619,9 @@ kvmppc_fix_pmao:
*/
kvmhv_start_timing:
ld r5, HSTATE_KVM_VCORE(r13)
lbz r6, VCORE_IN_GUEST(r5)
cmpwi r6, 0
beq 5f /* if in guest, need to */
ld r6, VCORE_TB_OFFSET(r5) /* subtract timebase offset */
5: mftb r5
subf r5, r6, r5
ld r6, VCORE_TB_OFFSET_APPL(r5)
mftb r5
subf r5, r6, r5 /* subtract current timebase offset */
std r3, VCPU_CUR_ACTIVITY(r4)
std r5, VCPU_ACTIVITY_START(r4)
blr
@ -3622,15 +3632,12 @@ kvmhv_start_timing:
*/
kvmhv_accumulate_time:
ld r5, HSTATE_KVM_VCORE(r13)
lbz r8, VCORE_IN_GUEST(r5)
cmpwi r8, 0
beq 4f /* if in guest, need to */
ld r8, VCORE_TB_OFFSET(r5) /* subtract timebase offset */
4: ld r5, VCPU_CUR_ACTIVITY(r4)
ld r8, VCORE_TB_OFFSET_APPL(r5)
ld r5, VCPU_CUR_ACTIVITY(r4)
ld r6, VCPU_ACTIVITY_START(r4)
std r3, VCPU_CUR_ACTIVITY(r4)
mftb r7
subf r7, r8, r7
subf r7, r8, r7 /* subtract current timebase offset */
std r7, VCPU_ACTIVITY_START(r4)
cmpdi r5, 0
beqlr

108
arch/powerpc/kvm/book3s_xive_template.c
View File

@ -11,6 +11,9 @@
#define XGLUE(a,b) a##b
#define GLUE(a,b) XGLUE(a,b)
/* Dummy interrupt used when taking interrupts out of a queue in H_CPPR */
#define XICS_DUMMY 1
static void GLUE(X_PFX,ack_pending)(struct kvmppc_xive_vcpu *xc)
{
u8 cppr;
@ -205,6 +208,10 @@ static u32 GLUE(X_PFX,scan_interrupts)(struct kvmppc_xive_vcpu *xc,
goto skip_ipi;
}
/* If it's the dummy interrupt, continue searching */
if (hirq == XICS_DUMMY)
goto skip_ipi;
/* If fetching, update queue pointers */
if (scan_type == scan_fetch) {
q->idx = idx;
@ -385,9 +392,76 @@ static void GLUE(X_PFX,push_pending_to_hw)(struct kvmppc_xive_vcpu *xc)
__x_writeb(prio, __x_tima + TM_SPC_SET_OS_PENDING);
}
static void GLUE(X_PFX,scan_for_rerouted_irqs)(struct kvmppc_xive *xive,
struct kvmppc_xive_vcpu *xc)
{
unsigned int prio;
/* For each priority that is now masked */
for (prio = xc->cppr; prio < KVMPPC_XIVE_Q_COUNT; prio++) {
struct xive_q *q = &xc->queues[prio];
struct kvmppc_xive_irq_state *state;
struct kvmppc_xive_src_block *sb;
u32 idx, toggle, entry, irq, hw_num;
struct xive_irq_data *xd;
__be32 *qpage;
u16 src;
idx = q->idx;
toggle = q->toggle;
qpage = READ_ONCE(q->qpage);
if (!qpage)
continue;
/* For each interrupt in the queue */
for (;;) {
entry = be32_to_cpup(qpage + idx);
/* No more ? */
if ((entry >> 31) == toggle)
break;
irq = entry & 0x7fffffff;
/* Skip dummies and IPIs */
if (irq == XICS_DUMMY || irq == XICS_IPI)
goto next;
sb = kvmppc_xive_find_source(xive, irq, &src);
if (!sb)
goto next;
state = &sb->irq_state[src];
/* Has it been rerouted ? */
if (xc->server_num == state->act_server)
goto next;
/*
* Allright, it *has* been re-routed, kill it from
* the queue.
*/
qpage[idx] = cpu_to_be32((entry & 0x80000000) | XICS_DUMMY);
/* Find the HW interrupt */
kvmppc_xive_select_irq(state, &hw_num, &xd);
/* If it's not an LSI, set PQ to 11 the EOI will force a resend */
if (!(xd->flags & XIVE_IRQ_FLAG_LSI))
GLUE(X_PFX,esb_load)(xd, XIVE_ESB_SET_PQ_11);
/* EOI the source */
GLUE(X_PFX,source_eoi)(hw_num, xd);
next:
idx = (idx + 1) & q->msk;
if (idx == 0)
toggle ^= 1;
}
}
}
X_STATIC int GLUE(X_PFX,h_cppr)(struct kvm_vcpu *vcpu, unsigned long cppr)
{
struct kvmppc_xive_vcpu *xc = vcpu->arch.xive_vcpu;
struct kvmppc_xive *xive = vcpu->kvm->arch.xive;
u8 old_cppr;
pr_devel("H_CPPR(cppr=%ld)\n", cppr);
@ -407,14 +481,34 @@ X_STATIC int GLUE(X_PFX,h_cppr)(struct kvm_vcpu *vcpu, unsigned long cppr)
*/
smp_mb();
/*
* We are masking less, we need to look for pending things
* to deliver and set VP pending bits accordingly to trigger
* a new interrupt otherwise we might miss MFRR changes for
* which we have optimized out sending an IPI signal.
*/
if (cppr > old_cppr)
if (cppr > old_cppr) {
/*
* We are masking less, we need to look for pending things
* to deliver and set VP pending bits accordingly to trigger
* a new interrupt otherwise we might miss MFRR changes for
* which we have optimized out sending an IPI signal.
*/
GLUE(X_PFX,push_pending_to_hw)(xc);
} else {
/*
* We are masking more, we need to check the queue for any
* interrupt that has been routed to another CPU, take
* it out (replace it with the dummy) and retrigger it.
*
* This is necessary since those interrupts may otherwise
* never be processed, at least not until this CPU restores
* its CPPR.
*
* This is in theory racy vs. HW adding new interrupts to
* the queue. In practice this works because the interesting
* cases are when the guest has done a set_xive() to move the
* interrupt away, which flushes the xive, followed by the
* target CPU doing a H_CPPR. So any new interrupt coming into
* the queue must still be routed to us and isn't a source
* of concern.
*/
GLUE(X_PFX,scan_for_rerouted_irqs)(xive, xc);
}
/* Apply new CPPR */
xc->hw_cppr = cppr;

2
arch/s390/kvm/vsie.c
View File

@ -578,7 +578,7 @@ static int pin_blocks(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
gpa = READ_ONCE(scb_o->itdba) & ~0xffUL;
if (gpa && (scb_s->ecb & ECB_TE)) {
if (!(gpa & ~0x1fffU)) {
if (!(gpa & ~0x1fffUL)) {
rc = set_validity_icpt(scb_s, 0x0080U);
goto unpin;
}

22
arch/x86/kernel/cpu/common.c
View File

@ -942,12 +942,8 @@ static const __initconst struct x86_cpu_id cpu_no_meltdown[] = {
{}
};
/* Only list CPUs which speculate but are non susceptible to SSB */
static const __initconst struct x86_cpu_id cpu_no_spec_store_bypass[] = {
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_PINEVIEW },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_LINCROFT },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_PENWELL },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_CLOVERVIEW },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_CEDARVIEW },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT1 },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_AIRMONT },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT2 },
@ -955,14 +951,10 @@ static const __initconst struct x86_cpu_id cpu_no_spec_store_bypass[] = {
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_CORE_YONAH },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_XEON_PHI_KNL },
{ X86_VENDOR_INTEL, 6, INTEL_FAM6_XEON_PHI_KNM },
{ X86_VENDOR_CENTAUR, 5, },
{ X86_VENDOR_INTEL, 5, },
{ X86_VENDOR_NSC, 5, },
{ X86_VENDOR_AMD, 0x12, },
{ X86_VENDOR_AMD, 0x11, },
{ X86_VENDOR_AMD, 0x10, },
{ X86_VENDOR_AMD, 0xf, },
{ X86_VENDOR_ANY, 4, },
{}
};
@ -970,6 +962,12 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
{
u64 ia32_cap = 0;
if (x86_match_cpu(cpu_no_speculation))
return;
setup_force_cpu_bug(X86_BUG_SPECTRE_V1);
setup_force_cpu_bug(X86_BUG_SPECTRE_V2);
if (cpu_has(c, X86_FEATURE_ARCH_CAPABILITIES))
rdmsrl(MSR_IA32_ARCH_CAPABILITIES, ia32_cap);
@ -977,12 +975,6 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
!(ia32_cap & ARCH_CAP_SSB_NO))
setup_force_cpu_bug(X86_BUG_SPEC_STORE_BYPASS);
if (x86_match_cpu(cpu_no_speculation))
return;
setup_force_cpu_bug(X86_BUG_SPECTRE_V1);
setup_force_cpu_bug(X86_BUG_SPECTRE_V2);
if (x86_match_cpu(cpu_no_meltdown))
return;

9
arch/x86/kvm/cpuid.c
View File

@ -407,8 +407,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
/* cpuid 7.0.edx*/
const u32 kvm_cpuid_7_0_edx_x86_features =
F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | F(SSBD) |
F(ARCH_CAPABILITIES);
F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) |
F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES);
/* all calls to cpuid_count() should be made on the same cpu */
get_cpu();
@ -495,6 +495,11 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
entry->ecx &= ~F(PKU);
entry->edx &= kvm_cpuid_7_0_edx_x86_features;
cpuid_mask(&entry->edx, CPUID_7_EDX);
/*
* We emulate ARCH_CAPABILITIES in software even
* if the host doesn't support it.
*/
entry->edx |= F(ARCH_CAPABILITIES);
} else {
entry->ebx = 0;
entry->ecx = 0;

19
arch/x86/kvm/hyperv.c
View File

@ -1260,12 +1260,16 @@ static void kvm_hv_hypercall_set_result(struct kvm_vcpu *vcpu, u64 result)
}
}
static int kvm_hv_hypercall_complete(struct kvm_vcpu *vcpu, u64 result)
{
kvm_hv_hypercall_set_result(vcpu, result);
++vcpu->stat.hypercalls;
return kvm_skip_emulated_instruction(vcpu);
}
static int kvm_hv_hypercall_complete_userspace(struct kvm_vcpu *vcpu)
{
struct kvm_run *run = vcpu->run;
kvm_hv_hypercall_set_result(vcpu, run->hyperv.u.hcall.result);
return kvm_skip_emulated_instruction(vcpu);
return kvm_hv_hypercall_complete(vcpu, vcpu->run->hyperv.u.hcall.result);
}
static u16 kvm_hvcall_signal_event(struct kvm_vcpu *vcpu, bool fast, u64 param)
@ -1350,7 +1354,7 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
/* Hypercall continuation is not supported yet */
if (rep_cnt || rep_idx) {
ret = HV_STATUS_INVALID_HYPERCALL_CODE;
goto set_result;
goto out;
}
switch (code) {
@ -1381,9 +1385,8 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
break;
}
set_result:
kvm_hv_hypercall_set_result(vcpu, ret);
return 1;
out:
return kvm_hv_hypercall_complete(vcpu, ret);
}
void kvm_hv_init_vm(struct kvm *kvm)

16
arch/x86/kvm/lapic.c
View File

@ -1522,11 +1522,23 @@ static bool set_target_expiration(struct kvm_lapic *apic)
static void advance_periodic_target_expiration(struct kvm_lapic *apic)
{
apic->lapic_timer.tscdeadline +=
nsec_to_cycles(apic->vcpu, apic->lapic_timer.period);
ktime_t now = ktime_get();
u64 tscl = rdtsc();
ktime_t delta;
/*
* Synchronize both deadlines to the same time source or
* differences in the periods (caused by differences in the
* underlying clocks or numerical approximation errors) will
* cause the two to drift apart over time as the errors
* accumulate.
*/
apic->lapic_timer.target_expiration =
ktime_add_ns(apic->lapic_timer.target_expiration,
apic->lapic_timer.period);
delta = ktime_sub(apic->lapic_timer.target_expiration, now);
apic->lapic_timer.tscdeadline = kvm_read_l1_tsc(apic->vcpu, tscl) +
nsec_to_cycles(apic->vcpu, delta);
}
static void start_sw_period(struct kvm_lapic *apic)

17
arch/x86/kvm/x86.c
View File

@ -6671,11 +6671,8 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu)
unsigned long nr, a0, a1, a2, a3, ret;
int op_64_bit;
if (kvm_hv_hypercall_enabled(vcpu->kvm)) {
if (!kvm_hv_hypercall(vcpu))
return 0;
goto out;
}
if (kvm_hv_hypercall_enabled(vcpu->kvm))
return kvm_hv_hypercall(vcpu);
nr = kvm_register_read(vcpu, VCPU_REGS_RAX);
a0 = kvm_register_read(vcpu, VCPU_REGS_RBX);
@ -6696,7 +6693,7 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu)
if (kvm_x86_ops->get_cpl(vcpu) != 0) {
ret = -KVM_EPERM;
goto out_error;
goto out;
}
switch (nr) {
@ -6716,12 +6713,11 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu)
ret = -KVM_ENOSYS;
break;
}
out_error:
out:
if (!op_64_bit)
ret = (u32)ret;
kvm_register_write(vcpu, VCPU_REGS_RAX, ret);
out:
++vcpu->stat.hypercalls;
return kvm_skip_emulated_instruction(vcpu);
}
@ -7980,6 +7976,7 @@ static int __set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
{
struct msr_data apic_base_msr;
int mmu_reset_needed = 0;
int cpuid_update_needed = 0;
int pending_vec, max_bits, idx;
struct desc_ptr dt;
int ret = -EINVAL;
@ -8018,8 +8015,10 @@ static int __set_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
vcpu->arch.cr0 = sregs->cr0;
mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4;
cpuid_update_needed |= ((kvm_read_cr4(vcpu) ^ sregs->cr4) &
(X86_CR4_OSXSAVE | X86_CR4_PKE));
kvm_x86_ops->set_cr4(vcpu, sregs->cr4);
if (sregs->cr4 & (X86_CR4_OSXSAVE | X86_CR4_PKE))
if (cpuid_update_needed)
kvm_update_cpuid(vcpu);
idx = srcu_read_lock(&vcpu->kvm->srcu);

5
drivers/base/node.c
View File

@ -490,7 +490,8 @@ int unregister_mem_sect_under_nodes(struct memory_block *mem_blk,
return 0;
}
int link_mem_sections(int nid, unsigned long start_pfn, unsigned long nr_pages)
int link_mem_sections(int nid, unsigned long start_pfn, unsigned long nr_pages,
bool check_nid)
{
unsigned long end_pfn = start_pfn + nr_pages;
unsigned long pfn;
@ -514,7 +515,7 @@ int link_mem_sections(int nid, unsigned long start_pfn, unsigned long nr_pages)
mem_blk = find_memory_block_hinted(mem_sect, mem_blk);
ret = register_mem_sect_under_node(mem_blk, nid, true);
ret = register_mem_sect_under_node(mem_blk, nid, check_nid);
if (!err)
err = ret;

2
drivers/bcma/driver_mips.c
View File

@ -184,7 +184,7 @@ static void bcma_core_mips_print_irq(struct bcma_device *dev, unsigned int irq)
{
int i;
static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"};
char interrupts[20];
char interrupts[25];
char *ints = interrupts;
for (i = 0; i < ARRAY_SIZE(irq_name); i++)

8
drivers/firmware/qcom_scm-32.c
View File

@ -147,7 +147,7 @@ static u32 smc(u32 cmd_addr)
"smc #0 @ switch to secure world\n"
: "=r" (r0)
: "r" (r0), "r" (r1), "r" (r2)
: "r3");
: "r3", "r12");
} while (r0 == QCOM_SCM_INTERRUPTED);
return r0;
@ -263,7 +263,7 @@ static s32 qcom_scm_call_atomic1(u32 svc, u32 cmd, u32 arg1)
"smc #0 @ switch to secure world\n"
: "=r" (r0)
: "r" (r0), "r" (r1), "r" (r2)
: "r3");
: "r3", "r12");
return r0;
}
@ -298,7 +298,7 @@ static s32 qcom_scm_call_atomic2(u32 svc, u32 cmd, u32 arg1, u32 arg2)
"smc #0 @ switch to secure world\n"
: "=r" (r0)
: "r" (r0), "r" (r1), "r" (r2), "r" (r3)
);
: "r12");
return r0;
}
@ -328,7 +328,7 @@ u32 qcom_scm_get_version(void)
"smc #0 @ switch to secure world\n"
: "=r" (r0), "=r" (r1)
: "r" (r0), "r" (r1)
: "r2", "r3");
: "r2", "r3", "r12");
} while (r0 == QCOM_SCM_INTERRUPTED);
version = r1;

3
drivers/gpu/drm/rcar-du/rcar_lvds.c
View File

@ -88,6 +88,9 @@ static int rcar_lvds_connector_atomic_check(struct drm_connector *connector,
const struct drm_display_mode *panel_mode;
struct drm_crtc_state *crtc_state;
if (!state->crtc)
return 0;
if (list_empty(&connector->modes)) {
dev_dbg(lvds->dev, "connector: empty modes list\n");
return -EINVAL;

5
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
View File

@ -1278,8 +1278,6 @@ static void vmw_master_drop(struct drm_device *dev,
dev_priv->active_master = &dev_priv->fbdev_master;
ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
ttm_vt_unlock(&dev_priv->fbdev_master.lock);
vmw_fb_refresh(dev_priv);
}
/**
@ -1483,7 +1481,6 @@ static int vmw_pm_freeze(struct device *kdev)
vmw_kms_resume(dev);
if (dev_priv->enable_fb)
vmw_fb_on(dev_priv);
vmw_fb_refresh(dev_priv);
return -EBUSY;
}
@ -1523,8 +1520,6 @@ static int vmw_pm_restore(struct device *kdev)
if (dev_priv->enable_fb)
vmw_fb_on(dev_priv);
vmw_fb_refresh(dev_priv);
return 0;
}

1
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -910,7 +910,6 @@ int vmw_fb_init(struct vmw_private *vmw_priv);
int vmw_fb_close(struct vmw_private *dev_priv);
int vmw_fb_off(struct vmw_private *vmw_priv);
int vmw_fb_on(struct vmw_private *vmw_priv);
void vmw_fb_refresh(struct vmw_private *vmw_priv);
/**
* Kernel modesetting - vmwgfx_kms.c

24
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
View File

@ -866,21 +866,13 @@ int vmw_fb_on(struct vmw_private *vmw_priv)
spin_lock_irqsave(&par->dirty.lock, flags);
par->dirty.active = true;
spin_unlock_irqrestore(&par->dirty.lock, flags);
/*
* Need to reschedule a dirty update, because otherwise that's
* only done in dirty_mark() if the previous coalesced
* dirty region was empty.
*/
schedule_delayed_work(&par->local_work, 0);
return 0;
}
/**
* vmw_fb_refresh - Refresh fb display
*
* @vmw_priv: Pointer to device private
*
* Call into kms to show the fbdev display(s).
*/
void vmw_fb_refresh(struct vmw_private *vmw_priv)
{
if (!vmw_priv->fb_info)
return;
vmw_fb_set_par(vmw_priv->fb_info);
}

48
drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
View File

@ -329,8 +329,6 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
struct rpc_channel channel;
char *msg, *reply = NULL;
size_t reply_len = 0;
int ret = 0;
if (!vmw_msg_enabled)
return -ENODEV;
@ -344,15 +342,14 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
return -ENOMEM;
}
if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
vmw_send_msg(&channel, msg) ||
vmw_recv_msg(&channel, (void *) &reply, &reply_len) ||
vmw_close_channel(&channel)) {
DRM_ERROR("Failed to get %s", guest_info_param);
if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM))
goto out_open;
ret = -EINVAL;
}
if (vmw_send_msg(&channel, msg) ||
vmw_recv_msg(&channel, (void *) &reply, &reply_len))
goto out_msg;
vmw_close_channel(&channel);
if (buffer && reply && reply_len > 0) {
/* Remove reply code, which are the first 2 characters of
* the reply
@ -369,7 +366,17 @@ int vmw_host_get_guestinfo(const char *guest_info_param,
kfree(reply);
kfree(msg);
return ret;
return 0;
out_msg:
vmw_close_channel(&channel);
kfree(reply);
out_open:
*length = 0;
kfree(msg);
DRM_ERROR("Failed to get %s", guest_info_param);
return -EINVAL;
}
@ -400,15 +407,22 @@ int vmw_host_log(const char *log)
return -ENOMEM;
}
if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
vmw_send_msg(&channel, msg) ||
vmw_close_channel(&channel)) {
DRM_ERROR("Failed to send log\n");
if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM))
goto out_open;
ret = -EINVAL;
}
if (vmw_send_msg(&channel, msg))
goto out_msg;
vmw_close_channel(&channel);
kfree(msg);
return ret;
return 0;
out_msg:
vmw_close_channel(&channel);
out_open:
kfree(msg);
DRM_ERROR("Failed to send log\n");
return -EINVAL;
}

25
drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
View File

@ -135,17 +135,24 @@
#else
/* In the 32-bit version of this macro, we use "m" because there is no
* more register left for bp
/*
* In the 32-bit version of this macro, we store bp in a memory location
* because we've ran out of registers.
* Now we can't reference that memory location while we've modified
* %esp or %ebp, so we first push it on the stack, just before we push
* %ebp, and then when we need it we read it from the stack where we
* just pushed it.
*/
#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di, \
port_num, magic, bp, \
eax, ebx, ecx, edx, si, di) \
({ \
asm volatile ("push %%ebp;" \
"mov %12, %%ebp;" \
asm volatile ("push %12;" \
"push %%ebp;" \
"mov 0x04(%%esp), %%ebp;" \
"rep outsb;" \
"pop %%ebp;" : \
"pop %%ebp;" \
"add $0x04, %%esp;" : \
"=a"(eax), \
"=b"(ebx), \
"=c"(ecx), \
@ -167,10 +174,12 @@
port_num, magic, bp, \
eax, ebx, ecx, edx, si, di) \
({ \
asm volatile ("push %%ebp;" \
"mov %12, %%ebp;" \
asm volatile ("push %12;" \
"push %%ebp;" \
"mov 0x04(%%esp), %%ebp;" \
"rep insb;" \
"pop %%ebp" : \
"pop %%ebp;" \
"add $0x04, %%esp;" : \
"=a"(eax), \
"=b"(ebx), \
"=c"(ecx), \

22
drivers/isdn/hardware/eicon/diva.c
View File

@ -388,10 +388,10 @@ void divasa_xdi_driver_unload(void)
** Receive and process command from user mode utility
*/
void *diva_xdi_open_adapter(void *os_handle, const void __user *src,
int length,
int length, void *mptr,
divas_xdi_copy_from_user_fn_t cp_fn)
{
diva_xdi_um_cfg_cmd_t msg;
diva_xdi_um_cfg_cmd_t *msg = (diva_xdi_um_cfg_cmd_t *)mptr;
diva_os_xdi_adapter_t *a = NULL;
diva_os_spin_lock_magic_t old_irql;
struct list_head *tmp;
@ -401,21 +401,21 @@ void *diva_xdi_open_adapter(void *os_handle, const void __user *src,
length, sizeof(diva_xdi_um_cfg_cmd_t)))
return NULL;
}
if ((*cp_fn) (os_handle, &msg, src, sizeof(msg)) <= 0) {
if ((*cp_fn) (os_handle, msg, src, sizeof(*msg)) <= 0) {
DBG_ERR(("A: A(?) open, write error"))
return NULL;
}
diva_os_enter_spin_lock(&adapter_lock, &old_irql, "open_adapter");
list_for_each(tmp, &adapter_queue) {
a = list_entry(tmp, diva_os_xdi_adapter_t, link);
if (a->controller == (int)msg.adapter)
if (a->controller == (int)msg->adapter)
break;
a = NULL;
}
diva_os_leave_spin_lock(&adapter_lock, &old_irql, "open_adapter");
if (!a) {
DBG_ERR(("A: A(%d) open, adapter not found", msg.adapter))
DBG_ERR(("A: A(%d) open, adapter not found", msg->adapter))
}
return (a);
@ -437,8 +437,10 @@ void diva_xdi_close_adapter(void *adapter, void *os_handle)
int
diva_xdi_write(void *adapter, void *os_handle, const void __user *src,
int length, divas_xdi_copy_from_user_fn_t cp_fn)
int length, void *mptr,
divas_xdi_copy_from_user_fn_t cp_fn)
{
diva_xdi_um_cfg_cmd_t *msg = (diva_xdi_um_cfg_cmd_t *)mptr;
diva_os_xdi_adapter_t *a = (diva_os_xdi_adapter_t *) adapter;
void *data;
@ -459,7 +461,13 @@ diva_xdi_write(void *adapter, void *os_handle, const void __user *src,
return (-2);
}
length = (*cp_fn) (os_handle, data, src, length);
if (msg) {
*(diva_xdi_um_cfg_cmd_t *)data = *msg;
length = (*cp_fn) (os_handle, (char *)data + sizeof(*msg),
src + sizeof(*msg), length - sizeof(*msg));
} else {
length = (*cp_fn) (os_handle, data, src, length);
}
if (length > 0) {
if ((*(a->interface.cmd_proc))
(a, (diva_xdi_um_cfg_cmd_t *) data, length)) {

5
drivers/isdn/hardware/eicon/diva.h
View File

@ -20,10 +20,11 @@ int diva_xdi_read(void *adapter, void *os_handle, void __user *dst,
int max_length, divas_xdi_copy_to_user_fn_t cp_fn);
int diva_xdi_write(void *adapter, void *os_handle, const void __user *src,
int length, divas_xdi_copy_from_user_fn_t cp_fn);
int length, void *msg,
divas_xdi_copy_from_user_fn_t cp_fn);
void *diva_xdi_open_adapter(void *os_handle, const void __user *src,
int length,
int length, void *msg,
divas_xdi_copy_from_user_fn_t cp_fn);
void diva_xdi_close_adapter(void *adapter, void *os_handle);

18
drivers/isdn/hardware/eicon/divasmain.c
View File

@ -591,19 +591,22 @@ static int divas_release(struct inode *inode, struct file *file)
static ssize_t divas_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
diva_xdi_um_cfg_cmd_t msg;
int ret = -EINVAL;
if (!file->private_data) {
file->private_data = diva_xdi_open_adapter(file, buf,
count,
count, &msg,
xdi_copy_from_user);
}
if (!file->private_data) {
return (-ENODEV);
if (!file->private_data)
return (-ENODEV);
ret = diva_xdi_write(file->private_data, file,
buf, count, &msg, xdi_copy_from_user);
} else {
ret = diva_xdi_write(file->private_data, file,
buf, count, NULL, xdi_copy_from_user);
}
ret = diva_xdi_write(file->private_data, file,
buf, count, xdi_copy_from_user);
switch (ret) {
case -1: /* Message should be removed from rx mailbox first */
ret = -EBUSY;
@ -622,11 +625,12 @@ static ssize_t divas_write(struct file *file, const char __user *buf,
static ssize_t divas_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
diva_xdi_um_cfg_cmd_t msg;
int ret = -EINVAL;
if (!file->private_data) {
file->private_data = diva_xdi_open_adapter(file, buf,
count,
count, &msg,
xdi_copy_from_user);
}
if (!file->private_data) {

2
drivers/mmc/core/block.c
View File

@ -2485,7 +2485,7 @@ static long mmc_rpmb_ioctl(struct file *filp, unsigned int cmd,
break;
}
return 0;
return ret;
}
#ifdef CONFIG_COMPAT

33
drivers/mmc/host/sdhci-iproc.c
View File

@ -33,6 +33,8 @@ struct sdhci_iproc_host {
const struct sdhci_iproc_data *data;
u32 shadow_cmd;
u32 shadow_blk;
bool is_cmd_shadowed;
bool is_blk_shadowed;
};
#define REG_OFFSET_IN_BITS(reg) ((reg) << 3 & 0x18)
@ -48,8 +50,22 @@ static inline u32 sdhci_iproc_readl(struct sdhci_host *host, int reg)
static u16 sdhci_iproc_readw(struct sdhci_host *host, int reg)
{
u32 val = sdhci_iproc_readl(host, (reg & ~3));
u16 word = val >> REG_OFFSET_IN_BITS(reg) & 0xffff;
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_iproc_host *iproc_host = sdhci_pltfm_priv(pltfm_host);
u32 val;
u16 word;
if ((reg == SDHCI_TRANSFER_MODE) && iproc_host->is_cmd_shadowed) {
/* Get the saved transfer mode */
val = iproc_host->shadow_cmd;
} else if ((reg == SDHCI_BLOCK_SIZE || reg == SDHCI_BLOCK_COUNT) &&
iproc_host->is_blk_shadowed) {
/* Get the saved block info */
val = iproc_host->shadow_blk;
} else {
val = sdhci_iproc_readl(host, (reg & ~3));
}
word = val >> REG_OFFSET_IN_BITS(reg) & 0xffff;
return word;
}
@ -105,13 +121,15 @@ static void sdhci_iproc_writew(struct sdhci_host *host, u16 val, int reg)
if (reg == SDHCI_COMMAND) {
/* Write the block now as we are issuing a command */
if (iproc_host->shadow_blk != 0) {
if (iproc_host->is_blk_shadowed) {
sdhci_iproc_writel(host, iproc_host->shadow_blk,
SDHCI_BLOCK_SIZE);
iproc_host->shadow_blk = 0;
iproc_host->is_blk_shadowed = false;
}
oldval = iproc_host->shadow_cmd;
} else if (reg == SDHCI_BLOCK_SIZE || reg == SDHCI_BLOCK_COUNT) {
iproc_host->is_cmd_shadowed = false;
} else if ((reg == SDHCI_BLOCK_SIZE || reg == SDHCI_BLOCK_COUNT) &&
iproc_host->is_blk_shadowed) {
/* Block size and count are stored in shadow reg */
oldval = iproc_host->shadow_blk;
} else {
@ -123,9 +141,11 @@ static void sdhci_iproc_writew(struct sdhci_host *host, u16 val, int reg)
if (reg == SDHCI_TRANSFER_MODE) {
/* Save the transfer mode until the command is issued */
iproc_host->shadow_cmd = newval;
iproc_host->is_cmd_shadowed = true;
} else if (reg == SDHCI_BLOCK_SIZE || reg == SDHCI_BLOCK_COUNT) {
/* Save the block info until the command is issued */
iproc_host->shadow_blk = newval;
iproc_host->is_blk_shadowed = true;
} else {
/* Command or other regular 32-bit write */
sdhci_iproc_writel(host, newval, reg & ~3);
@ -166,7 +186,7 @@ static const struct sdhci_ops sdhci_iproc_32only_ops = {
static const struct sdhci_pltfm_data sdhci_iproc_cygnus_pltfm_data = {
.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN,
.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN | SDHCI_QUIRK2_HOST_OFF_CARD_ON,
.ops = &sdhci_iproc_32only_ops,
};
@ -206,7 +226,6 @@ static const struct sdhci_iproc_data iproc_data = {
.caps1 = SDHCI_DRIVER_TYPE_C |
SDHCI_DRIVER_TYPE_D |
SDHCI_SUPPORT_DDR50,
.mmc_caps = MMC_CAP_1_8V_DDR,
};
static const struct sdhci_pltfm_data sdhci_bcm2835_pltfm_data = {

10
drivers/net/ethernet/amd/pcnet32.c
View File

@ -1552,22 +1552,26 @@ pcnet32_probe_pci(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!ioaddr) {
if (pcnet32_debug & NETIF_MSG_PROBE)
pr_err("card has no PCI IO resources, aborting\n");
return -ENODEV;
err = -ENODEV;
goto err_disable_dev;
}
err = pci_set_dma_mask(pdev, PCNET32_DMA_MASK);
if (err) {
if (pcnet32_debug & NETIF_MSG_PROBE)
pr_err("architecture does not support 32bit PCI busmaster DMA\n");
return err;
goto err_disable_dev;
}
if (!request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci")) {
if (pcnet32_debug & NETIF_MSG_PROBE)
pr_err("io address range already allocated\n");
return -EBUSY;
err = -EBUSY;
goto err_disable_dev;
}
err = pcnet32_probe1(ioaddr, 1, pdev);
err_disable_dev:
if (err < 0)
pci_disable_device(pdev);

8
drivers/net/ethernet/cisco/enic/enic_main.c
View File

@ -2747,11 +2747,11 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_master(pdev);
/* Query PCI controller on system for DMA addressing
* limitation for the device. Try 64-bit first, and
* limitation for the device. Try 47-bit first, and
* fail to 32-bit.
*/
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(47));
if (err) {
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (err) {
@ -2765,10 +2765,10 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_release_regions;
}
} else {
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(47));
if (err) {
dev_err(dev, "Unable to obtain %u-bit DMA "
"for consistent allocations, aborting\n", 64);
"for consistent allocations, aborting\n", 47);
goto err_out_release_regions;
}
using_dac = 1;

1
drivers/net/ethernet/freescale/fec_main.c
View File

@ -1,3 +1,4 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Fast Ethernet Controller (FEC) driver for Motorola MPC8xx.
* Copyright (c) 1997 Dan Malek (dmalek@jlc.net)

14
drivers/net/ethernet/freescale/fec_ptp.c
View File

@ -1,20 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Fast Ethernet Controller (ENET) PTP driver for MX6x.
*
* Copyright (C) 2012 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

22
drivers/net/ethernet/ibm/ibmvnic.c
View File

@ -796,9 +796,11 @@ static int ibmvnic_login(struct net_device *netdev)
struct ibmvnic_adapter *adapter = netdev_priv(netdev);
unsigned long timeout = msecs_to_jiffies(30000);
int retry_count = 0;
bool retry;
int rc;
do {
retry = false;
if (retry_count > IBMVNIC_MAX_QUEUES) {
netdev_warn(netdev, "Login attempts exceeded\n");
return -1;
@ -822,6 +824,9 @@ static int ibmvnic_login(struct net_device *netdev)
retry_count++;
release_sub_crqs(adapter, 1);
retry = true;
netdev_dbg(netdev,
"Received partial success, retrying...\n");
adapter->init_done_rc = 0;
reinit_completion(&adapter->init_done);
send_cap_queries(adapter);
@ -849,7 +854,7 @@ static int ibmvnic_login(struct net_device *netdev)
netdev_warn(netdev, "Adapter login failed\n");
return -1;
}
} while (adapter->init_done_rc == PARTIALSUCCESS);
} while (retry);
/* handle pending MAC address changes after successful login */
if (adapter->mac_change_pending) {
@ -2617,18 +2622,21 @@ static int enable_scrq_irq(struct ibmvnic_adapter *adapter,
{
struct device *dev = &adapter->vdev->dev;
unsigned long rc;
u64 val;
if (scrq->hw_irq > 0x100000000ULL) {
dev_err(dev, "bad hw_irq = %lx\n", scrq->hw_irq);
return 1;
}
val = (0xff000000) | scrq->hw_irq;
rc = plpar_hcall_norets(H_EOI, val);
if (rc)
dev_err(dev, "H_EOI FAILED irq 0x%llx. rc=%ld\n",
val, rc);
if (adapter->resetting &&
adapter->reset_reason == VNIC_RESET_MOBILITY) {
u64 val = (0xff000000) | scrq->hw_irq;
rc = plpar_hcall_norets(H_EOI, val);
if (rc)
dev_err(dev, "H_EOI FAILED irq 0x%llx. rc=%ld\n",
val, rc);
}
rc = plpar_hcall_norets(H_VIOCTL, adapter->vdev->unit_address,
H_ENABLE_VIO_INTERRUPT, scrq->hw_irq, 0, 0);

16
drivers/net/ethernet/mellanox/mlx4/icm.c
View File

@ -43,12 +43,12 @@
#include "fw.h"
/*
* We allocate in as big chunks as we can, up to a maximum of 256 KB
* per chunk.
* We allocate in page size (default 4KB on many archs) chunks to avoid high
* order memory allocations in fragmented/high usage memory situation.
*/
enum {
MLX4_ICM_ALLOC_SIZE = 1 << 18,
MLX4_TABLE_CHUNK_SIZE = 1 << 18
MLX4_ICM_ALLOC_SIZE = PAGE_SIZE,
MLX4_TABLE_CHUNK_SIZE = PAGE_SIZE,
};
static void mlx4_free_icm_pages(struct mlx4_dev *dev, struct mlx4_icm_chunk *chunk)
@ -398,9 +398,11 @@ int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
u64 size;
obj_per_chunk = MLX4_TABLE_CHUNK_SIZE / obj_size;
if (WARN_ON(!obj_per_chunk))
return -EINVAL;
num_icm = (nobj + obj_per_chunk - 1) / obj_per_chunk;
table->icm = kcalloc(num_icm, sizeof(*table->icm), GFP_KERNEL);
table->icm = kvzalloc(num_icm * sizeof(*table->icm), GFP_KERNEL);
if (!table->icm)
return -ENOMEM;
table->virt = virt;
@ -446,7 +448,7 @@ int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
mlx4_free_icm(dev, table->icm[i], use_coherent);
}
kfree(table->icm);
kvfree(table->icm);
return -ENOMEM;
}
@ -462,5 +464,5 @@ void mlx4_cleanup_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table)
mlx4_free_icm(dev, table->icm[i], table->coherent);
}
kfree(table->icm);
kvfree(table->icm);
}

2
drivers/net/ethernet/mellanox/mlx4/intf.c
View File

@ -172,7 +172,7 @@ int mlx4_do_bond(struct mlx4_dev *dev, bool enable)
list_add_tail(&dev_ctx->list, &priv->ctx_list);
spin_unlock_irqrestore(&priv->ctx_lock, flags);
mlx4_dbg(dev, "Inrerface for protocol %d restarted with when bonded mode is %s\n",
mlx4_dbg(dev, "Interface for protocol %d restarted with bonded mode %s\n",
dev_ctx->intf->protocol, enable ?
"enabled" : "disabled");
}

4
drivers/net/ethernet/mellanox/mlx4/qp.c
View File

@ -393,11 +393,11 @@ struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn)
struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
struct mlx4_qp *qp;
spin_lock(&qp_table->lock);
spin_lock_irq(&qp_table->lock);
qp = __mlx4_qp_lookup(dev, qpn);
spin_unlock(&qp_table->lock);
spin_unlock_irq(&qp_table->lock);
return qp;
}

42
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
View File

@ -615,6 +615,45 @@ static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth)
return (ethertype == htons(ETH_P_IP) || ethertype == htons(ETH_P_IPV6));
}
static __be32 mlx5e_get_fcs(struct sk_buff *skb)
{
int last_frag_sz, bytes_in_prev, nr_frags;
u8 *fcs_p1, *fcs_p2;
skb_frag_t *last_frag;
__be32 fcs_bytes;
if (!skb_is_nonlinear(skb))
return *(__be32 *)(skb->data + skb->len - ETH_FCS_LEN);
nr_frags = skb_shinfo(skb)->nr_frags;
last_frag = &skb_shinfo(skb)->frags[nr_frags - 1];
last_frag_sz = skb_frag_size(last_frag);
/* If all FCS data is in last frag */
if (last_frag_sz >= ETH_FCS_LEN)
return *(__be32 *)(skb_frag_address(last_frag) +
last_frag_sz - ETH_FCS_LEN);
fcs_p2 = (u8 *)skb_frag_address(last_frag);
bytes_in_prev = ETH_FCS_LEN - last_frag_sz;
/* Find where the other part of the FCS is - Linear or another frag */
if (nr_frags == 1) {
fcs_p1 = skb_tail_pointer(skb);
} else {
skb_frag_t *prev_frag = &skb_shinfo(skb)->frags[nr_frags - 2];
fcs_p1 = skb_frag_address(prev_frag) +
skb_frag_size(prev_frag);
}
fcs_p1 -= bytes_in_prev;
memcpy(&fcs_bytes, fcs_p1, bytes_in_prev);
memcpy(((u8 *)&fcs_bytes) + bytes_in_prev, fcs_p2, last_frag_sz);
return fcs_bytes;
}
static inline void mlx5e_handle_csum(struct net_device *netdev,
struct mlx5_cqe64 *cqe,
struct mlx5e_rq *rq,
@ -643,6 +682,9 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
skb->csum = csum_partial(skb->data + ETH_HLEN,
network_depth - ETH_HLEN,
skb->csum);
if (unlikely(netdev->features & NETIF_F_RXFCS))
skb->csum = csum_add(skb->csum,
(__force __wsum)mlx5e_get_fcs(skb));
rq->stats.csum_complete++;
return;
}

12
drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
View File

@ -237,19 +237,17 @@ static void *mlx5_fpga_ipsec_cmd_exec(struct mlx5_core_dev *mdev,
context->buf.sg[0].data = &context->command;
spin_lock_irqsave(&fdev->ipsec->pending_cmds_lock, flags);
list_add_tail(&context->list, &fdev->ipsec->pending_cmds);
res = mlx5_fpga_sbu_conn_sendmsg(fdev->ipsec->conn, &context->buf);
if (!res)
list_add_tail(&context->list, &fdev->ipsec->pending_cmds);
spin_unlock_irqrestore(&fdev->ipsec->pending_cmds_lock, flags);
res = mlx5_fpga_sbu_conn_sendmsg(fdev->ipsec->conn, &context->buf);
if (res) {
mlx5_fpga_warn(fdev, "Failure sending IPSec command: %d\n",
res);
spin_lock_irqsave(&fdev->ipsec->pending_cmds_lock, flags);
list_del(&context->list);
spin_unlock_irqrestore(&fdev->ipsec->pending_cmds_lock, flags);
mlx5_fpga_warn(fdev, "Failed to send IPSec command: %d\n", res);
kfree(context);
return ERR_PTR(res);
}
/* Context will be freed by wait func after completion */
return context;
}

2
drivers/net/ethernet/qlogic/qed/qed_cxt.c
View File

@ -77,7 +77,7 @@
#define ILT_CFG_REG(cli, reg) PSWRQ2_REG_ ## cli ## _ ## reg ## _RT_OFFSET
/* ILT entry structure */
#define ILT_ENTRY_PHY_ADDR_MASK 0x000FFFFFFFFFFFULL
#define ILT_ENTRY_PHY_ADDR_MASK (~0ULL >> 12)
#define ILT_ENTRY_PHY_ADDR_SHIFT 0
#define ILT_ENTRY_VALID_MASK 0x1ULL
#define ILT_ENTRY_VALID_SHIFT 52

6
drivers/net/phy/bcm-cygnus.c
View File

@ -61,17 +61,17 @@ static int bcm_cygnus_afe_config(struct phy_device *phydev)
return rc;
/* make rcal=100, since rdb default is 000 */
rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB1, 0x10);
rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB1, 0x10);
if (rc < 0)
return rc;
/* CORE_EXPB0, Reset R_CAL/RC_CAL Engine */
rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB0, 0x10);
rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB0, 0x10);
if (rc < 0)
return rc;
/* CORE_EXPB0, Disable Reset R_CAL/RC_CAL Engine */
rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB0, 0x00);
rc = bcm_phy_write_exp_sel(phydev, MII_BRCM_CORE_EXPB0, 0x00);
return 0;
}

2
drivers/net/phy/bcm-phy-lib.c
View File

@ -56,7 +56,7 @@ int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum)
/* The register must be written to both the Shadow Register Select and
* the Shadow Read Register Selector
*/
phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum |
phy_write(phydev, MII_BCM54XX_AUX_CTL, MII_BCM54XX_AUXCTL_SHDWSEL_MASK |
regnum << MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT);
return phy_read(phydev, MII_BCM54XX_AUX_CTL);
}

7
drivers/net/phy/bcm-phy-lib.h
View File

@ -14,11 +14,18 @@
#ifndef _LINUX_BCM_PHY_LIB_H
#define _LINUX_BCM_PHY_LIB_H
#include <linux/brcmphy.h>
#include <linux/phy.h>
int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val);
int bcm_phy_read_exp(struct phy_device *phydev, u16 reg);
static inline int bcm_phy_write_exp_sel(struct phy_device *phydev,
u16 reg, u16 val)
{
return bcm_phy_write_exp(phydev, reg | MII_BCM54XX_EXP_SEL_ER, val);
}
int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val);
int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum);

4
drivers/net/phy/bcm7xxx.c
View File

@ -65,10 +65,10 @@ struct bcm7xxx_phy_priv {
static void r_rc_cal_reset(struct phy_device *phydev)
{
/* Reset R_CAL/RC_CAL Engine */
bcm_phy_write_exp(phydev, 0x00b0, 0x0010);
bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0010);
/* Disable Reset R_AL/RC_CAL Engine */
bcm_phy_write_exp(phydev, 0x00b0, 0x0000);
bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0000);
}
static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)

27
drivers/net/ppp/ppp_generic.c
View File

@ -605,30 +605,13 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (cmd == PPPIOCDETACH) {
/*
* We have to be careful here... if the file descriptor
* has been dup'd, we could have another process in the
* middle of a poll using the same file *, so we had
* better not free the interface data structures -
* instead we fail the ioctl. Even in this case, we
* shut down the interface if we are the owner of it.
* Actually, we should get rid of PPPIOCDETACH, userland
* (i.e. pppd) could achieve the same effect by closing
* this fd and reopening /dev/ppp.
* PPPIOCDETACH is no longer supported as it was heavily broken,
* and is only known to have been used by pppd older than
* ppp-2.4.2 (released November 2003).
*/
pr_warn_once("%s (%d) used obsolete PPPIOCDETACH ioctl\n",
current->comm, current->pid);
err = -EINVAL;
if (pf->kind == INTERFACE) {
ppp = PF_TO_PPP(pf);
rtnl_lock();
if (file == ppp->owner)
unregister_netdevice(ppp->dev);
rtnl_unlock();
}
if (atomic_long_read(&file->f_count) < 2) {
ppp_release(NULL, file);
err = 0;
} else
pr_warn("PPPIOCDETACH file->f_count=%ld\n",
atomic_long_read(&file->f_count));
goto out;
}

19
drivers/net/tun.c
View File

@ -1423,6 +1423,13 @@ static void tun_net_init(struct net_device *dev)
dev->max_mtu = MAX_MTU - dev->hard_header_len;
}
static bool tun_sock_writeable(struct tun_struct *tun, struct tun_file *tfile)
{
struct sock *sk = tfile->socket.sk;
return (tun->dev->flags & IFF_UP) && sock_writeable(sk);
}
/* Character device part */
/* Poll */
@ -1445,10 +1452,14 @@ static __poll_t tun_chr_poll(struct file *file, poll_table *wait)
if (!ptr_ring_empty(&tfile->tx_ring))
mask |= EPOLLIN | EPOLLRDNORM;
if (tun->dev->flags & IFF_UP &&
(sock_writeable(sk) ||
(!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
sock_writeable(sk))))
/* Make sure SOCKWQ_ASYNC_NOSPACE is set if not writable to
* guarantee EPOLLOUT to be raised by either here or
* tun_sock_write_space(). Then process could get notification
* after it writes to a down device and meets -EIO.
*/
if (tun_sock_writeable(tun, tfile) ||
(!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) &&
tun_sock_writeable(tun, tfile)))
mask |= EPOLLOUT | EPOLLWRNORM;
if (tun->dev->reg_state != NETREG_REGISTERED)

21
drivers/net/virtio_net.c
View File

@ -707,6 +707,13 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
void *data;
u32 act;
/* Transient failure which in theory could occur if
* in-flight packets from before XDP was enabled reach
* the receive path after XDP is loaded.
*/
if (unlikely(hdr->hdr.gso_type))
goto err_xdp;
/* This happens when rx buffer size is underestimated
* or headroom is not enough because of the buffer
* was refilled before XDP is set. This should only
@ -727,14 +734,6 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
xdp_page = page;
}
/* Transient failure which in theory could occur if
* in-flight packets from before XDP was enabled reach
* the receive path after XDP is loaded. In practice I
* was not able to create this condition.
*/
if (unlikely(hdr->hdr.gso_type))
goto err_xdp;
/* Allow consuming headroom but reserve enough space to push
* the descriptor on if we get an XDP_TX return code.
*/
@ -775,7 +774,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
}
*xdp_xmit = true;
if (unlikely(xdp_page != page))
goto err_xdp;
put_page(page);
rcu_read_unlock();
goto xdp_xmit;
case XDP_REDIRECT:
@ -787,7 +786,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
}
*xdp_xmit = true;
if (unlikely(xdp_page != page))
goto err_xdp;
put_page(page);
rcu_read_unlock();
goto xdp_xmit;
default:
@ -875,7 +874,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
rcu_read_unlock();
err_skb:
put_page(page);
while (--num_buf) {
while (num_buf-- > 1) {
buf = virtqueue_get_buf(rq->vq, &len);
if (unlikely(!buf)) {
pr_debug("%s: rx error: %d buffers missing\n",

4
drivers/net/wireless/mac80211_hwsim.c
View File

@ -3340,7 +3340,7 @@ static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info)
static int hwsim_dump_radio_nl(struct sk_buff *skb,
struct netlink_callback *cb)
{
int last_idx = cb->args[0];
int last_idx = cb->args[0] - 1;
struct mac80211_hwsim_data *data = NULL;
int res = 0;
void *hdr;
@ -3368,7 +3368,7 @@ static int hwsim_dump_radio_nl(struct sk_buff *skb,
last_idx = data->idx;
}
cb->args[0] = last_idx;
cb->args[0] = last_idx + 1;
/* list changed, but no new element sent, set interrupted flag */
if (skb->len == 0 && cb->prev_seq && cb->seq != cb->prev_seq) {

4
drivers/ssb/Kconfig
View File

@ -117,7 +117,7 @@ config SSB_SERIAL
config SSB_DRIVER_PCICORE_POSSIBLE
bool
depends on SSB_PCIHOST && SSB = y
depends on SSB_PCIHOST
default y
config SSB_DRIVER_PCICORE
@ -131,7 +131,7 @@ config SSB_DRIVER_PCICORE
config SSB_PCICORE_HOSTMODE
bool "Hostmode support for SSB PCI core"
depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS
depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS && SSB = y
help
PCIcore hostmode operation (external PCI bus).

3
drivers/vhost/vhost.c
View File

@ -981,6 +981,7 @@ static int vhost_process_iotlb_msg(struct vhost_dev *dev,
{
int ret = 0;
mutex_lock(&dev->mutex);
vhost_dev_lock_vqs(dev);
switch (msg->type) {
case VHOST_IOTLB_UPDATE:
@ -1016,6 +1017,8 @@ static int vhost_process_iotlb_msg(struct vhost_dev *dev,
}
vhost_dev_unlock_vqs(dev);
mutex_unlock(&dev->mutex);
return ret;
}
ssize_t vhost_chr_write_iter(struct vhost_dev *dev,

11
fs/ocfs2/cluster/heartbeat.c
View File

@ -570,16 +570,7 @@ static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,
current_page, vec_len, vec_start);
len = bio_add_page(bio, page, vec_len, vec_start);
if (len != vec_len) {
mlog(ML_ERROR, "Adding page[%d] to bio failed, "
"page %p, len %d, vec_len %u, vec_start %u, "
"bi_sector %llu\n", current_page, page, len,
vec_len, vec_start,
(unsigned long long)bio->bi_iter.bi_sector);
bio_put(bio);
bio = ERR_PTR(-EIO);
return bio;
}
if (len != vec_len) break;
cs += vec_len / (PAGE_SIZE/spp);
vec_start = 0;

5
fs/seq_file.c
View File

@ -709,11 +709,6 @@ void seq_put_decimal_ull_width(struct seq_file *m, const char *delimiter,
if (m->count + width >= m->size)
goto overflow;
if (num < 10) {
m->buf[m->count++] = num + '0';
return;
}
len = num_to_str(m->buf + m->count, m->size - m->count, num, width);
if (!len)
goto overflow;

2
include/linux/bpf_verifier.h
View File

@ -142,7 +142,7 @@ struct bpf_verifier_state_list {
struct bpf_insn_aux_data {
union {
enum bpf_reg_type ptr_type; /* pointer type for load/store insns */
struct bpf_map *map_ptr; /* pointer for call insn into lookup_elem */
unsigned long map_state; /* pointer/poison value for maps */
s32 call_imm; /* saved imm field of call insn */
};
int ctx_field_size; /* the ctx field size for load insn, maybe 0 */

2
include/linux/gfp.h
View File

@ -464,7 +464,7 @@ static inline struct page *
__alloc_pages_node(int nid, gfp_t gfp_mask, unsigned int order)
{
VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES);
VM_WARN_ON(!node_online(nid));
VM_WARN_ON((gfp_mask & __GFP_THISNODE) && !node_online(nid));
return __alloc_pages(gfp_mask, order, nid);
}

8
include/linux/node.h
View File

@ -32,9 +32,11 @@ extern struct node *node_devices[];
typedef void (*node_registration_func_t)(struct node *);
#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_NUMA)
extern int link_mem_sections(int nid, unsigned long start_pfn, unsigned long nr_pages);
extern int link_mem_sections(int nid, unsigned long start_pfn,
unsigned long nr_pages, bool check_nid);
#else
static inline int link_mem_sections(int nid, unsigned long start_pfn, unsigned long nr_pages)
static inline int link_mem_sections(int nid, unsigned long start_pfn,
unsigned long nr_pages, bool check_nid)
{
return 0;
}
@ -57,7 +59,7 @@ static inline int register_one_node(int nid)
if (error)
return error;
/* link memory sections under this node */
error = link_mem_sections(nid, pgdat->node_start_pfn, pgdat->node_spanned_pages);
error = link_mem_sections(nid, pgdat->node_start_pfn, pgdat->node_spanned_pages, true);
}
return error;

2
include/net/sctp/sctp.h
View File

@ -103,6 +103,8 @@ void sctp_addr_wq_mgmt(struct net *, struct sctp_sockaddr_entry *, int);
/*
* sctp/socket.c
*/
int sctp_inet_connect(struct socket *sock, struct sockaddr *uaddr,
int addr_len, int flags);
int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb);
int sctp_inet_listen(struct socket *sock, int backlog);
void sctp_write_space(struct sock *sk);

4
include/trace/events/sched.h
View File

@ -435,7 +435,9 @@ TRACE_EVENT(sched_pi_setprio,
memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
__entry->pid = tsk->pid;
__entry->oldprio = tsk->prio;
__entry->newprio = pi_task ? pi_task->prio : tsk->prio;
__entry->newprio = pi_task ?
min(tsk->normal_prio, pi_task->prio) :
tsk->normal_prio;
/* XXX SCHED_DEADLINE bits missing */
),

2
include/uapi/linux/nl80211.h
View File

@ -2698,7 +2698,7 @@ enum nl80211_attrs {
#define NL80211_ATTR_KEYS NL80211_ATTR_KEYS
#define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS
#define NL80211_WIPHY_NAME_MAXLEN 128
#define NL80211_WIPHY_NAME_MAXLEN 64
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_HT_RATES 77

2
include/uapi/linux/ppp-ioctl.h
View File

@ -106,7 +106,7 @@ struct pppol2tp_ioc_stats {
#define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */
#define PPPIOCNEWUNIT _IOWR('t', 62, int) /* create new ppp unit */
#define PPPIOCATTACH _IOW('t', 61, int) /* attach to ppp unit */
#define PPPIOCDETACH _IOW('t', 60, int) /* detach from ppp unit/chan */
#define PPPIOCDETACH _IOW('t', 60, int) /* obsolete, do not use */
#define PPPIOCSMRRU _IOW('t', 59, int) /* set multilink MRU */
#define PPPIOCCONNECT _IOW('t', 58, int) /* connect channel to unit */
#define PPPIOCDISCONN _IO('t', 57) /* disconnect channel */

1
init/main.c
View File

@ -91,6 +91,7 @@
#include <linux/cache.h>
#include <linux/rodata_test.h>
#include <linux/jump_label.h>
#include <linux/mem_encrypt.h>
#include <asm/io.h>
#include <asm/bugs.h>

19
ipc/shm.c
View File

@ -1363,14 +1363,17 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg,
if (addr) {
if (addr & (shmlba - 1)) {
/*
* Round down to the nearest multiple of shmlba.
* For sane do_mmap_pgoff() parameters, avoid
* round downs that trigger nil-page and MAP_FIXED.
*/
if ((shmflg & SHM_RND) && addr >= shmlba)
addr &= ~(shmlba - 1);
else
if (shmflg & SHM_RND) {
addr &= ~(shmlba - 1); /* round down */
/*
* Ensure that the round-down is non-nil
* when remapping. This can happen for
* cases when addr < shmlba.
*/
if (!addr && (shmflg & SHM_REMAP))
goto out;
} else
#ifndef __ARCH_FORCE_SHMLBA
if (addr & ~PAGE_MASK)
#endif

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