- Relax dependencies on SPI_MASTER for drivers in the SPI menu
that already has this dependency.
- Move out the expander that would be hidden for I2C access if
SPI_MASTER was not selected. Tentatively create a separate
menu for this.
- Move the ZX SoC driver to memory-mapped drivers, this must be
a mistake and only worked because the system has an SPI master
enabled at the same time.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The I2C expander menu already depends on I2C, drop subdependecies
on individual drivers. Keep the instances of depends on I2C=y
though, so these are still restricted to the compiled-in case.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Port-mapped I/O depends on X86 already, so individual drivers need
not specify this dependency.
Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This should be our final batch of fixes for 4.3:
- A patch from Sudeep Holla that fixes annotation of wakeup sources properly,
old unused format seems to have spread through copying.
- Two patches from Tony for OMAP. One dealing with MUSB setup problems due to
runtime PM being enabled too early on the parent device. The other fixes
IRQ numbering for OMAP1.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This should be our final batch of fixes for 4.3:
- A patch from Sudeep Holla that fixes annotation of wakeup sources
properly, old unused format seems to have spread through copying.
- Two patches from Tony for OMAP. One dealing with MUSB setup
problems due to runtime PM being enabled too early on the parent
device. The other fixes IRQ numbering for OMAP1"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
usb: musb: omap2430: Fix regression caused by driver core change
ARM: OMAP1: fix incorrect INT_DMA_LCD
ARM: dts: fix gpio-keys wakeup-source property
This is three essential bug fixes for various SCSI parts. The only affected
users are SCSI multi-path via device handler (basically all the enterprise)
and mvsas users. The dh bugs are an async entanglement in boot resulting in a
serious WARN_ON trip and a use after free on remove leading to a crash with
strict memory accounting. The mvsas bug manifests as a null deref oops but
only on abort sequences; however, these can commonly occur with SATA attached
devices, hence the fix.
Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is three essential bug fixes for various SCSI parts.
The only affected users are SCSI multi-path via device handler
(basically all the enterprise) and mvsas users. The dh bugs are an
async entanglement in boot resulting in a serious WARN_ON trip and a
use after free on remove leading to a crash with strict memory
accounting. The mvsas bug manifests as a null deref oops but only on
abort sequences; however, these can commonly occur with SATA attached
devices, hence the fix"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi_dh: don't try to load a device handler during async probing
scsi_dh: fix use-after-free when removing scsi device
mvsas: Fix NULL pointer dereference in mvs_slot_task_free
One bugfix for a list corruption in raid5 because of incorrect
locking.
Other for possible data corruption when a recovering device is failed,
removed, and re-added.
Both tagged for -stable.
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Merge tag 'md/4.3-rc7-fixes' of git://neil.brown.name/md
Pull md bug fixes from Neil Brown:
"Two more bug fixes for md.
One bugfix for a list corruption in raid5 because of incorrect
locking.
Other for possible data corruption when a recovering device is failed,
removed, and re-added.
Both tagged for -stable"
* tag 'md/4.3-rc7-fixes' of git://neil.brown.name/md:
Revert "md: allow a partially recovered device to be hot-added to an array."
md/raid5: fix locking in handle_stripe_clean_event()
Pull drm fixes from Dave Airlie:
"Two drm atomic core fixes.
And two radeon patches needed to fix a backlight regression on some
older hardware"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm: Correct arguments to list_tail_add in create blob ioctl
drm: crtc: integer overflow in drm_property_create_blob()
drm/radeon: fix dpms when driver backlight control is disabled
drm/radeon: move bl encoder assignment into bl init
We clear the close-on-exec flag when opening and closing files, and the
bit was almost always already clear before. Avoid dirtying the
cacheline if the clearning isn't necessary. That avoids unnecessary
cacheline dirtying and bouncing in multi-socket environments.
Eric Dumazet has a file descriptor benchmark that goes 4% faster from
this on his two-socket machine. It's probably partly superlinear
improvement due to getting slightly less spinlock contention on the
file_lock spinlock due to less work in the critical section.
Tested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Al Viro points out that:
> > * [Linux-specific aside] our __alloc_fd() can degrade quite badly
> > with some use patterns. The cacheline pingpong in the bitmap is probably
> > inevitable, unless we accept considerably heavier memory footprint,
> > but we also have a case when alloc_fd() takes O(n) and it's _not_ hard
> > to trigger - close(3);open(...); will have the next open() after that
> > scanning the entire in-use bitmap.
And Eric Dumazet has a somewhat realistic multithreaded microbenchmark
that opens and closes a lot of sockets with minimal work per socket.
This patch largely fixes it. We keep a 2nd-level bitmap of the open
file bitmaps, showing which words are already full. So then we can
traverse that second-level bitmap to efficiently skip already allocated
file descriptors.
On his benchmark, this improves performance by up to an order of
magnitude, by avoiding the excessive open file bitmap scanning.
Tested-and-acked-by: Eric Dumazet <edumazet@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch adds a member in fam15h_power_data which specifies the
maximum accumulated power in a compute unit.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Attributes depend on the CPU model the driver gets loaded on.
Therefore, add those attributes dynamically at init time. This is more
flexible to control the different attributes on different platforms.
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Pull Ceph fix from Sage Weil:
"This sets the stable pages flag on the RBD block device when we have
CRCs enabled. (This is necessary since the default assumption for
block devices changed in 3.9)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
rbd: require stable pages if message data CRCs are enabled
Pull overlayfs bug fixes from Miklos Szeredi:
"This contains fixes for bugs that appeared in earlier kernels (all are
marked for -stable)"
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: free lower_mnt array in ovl_put_super
ovl: free stack of paths in ovl_fill_super
ovl: fix open in stacked overlay
ovl: fix dentry reference leak
ovl: use O_LARGEFILE in ovl_copy_up()
This removes a needless loop which was caught in pinconf.c.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Laurent Meunier <laurent.meunier@st.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
CONFIG_PINCTRL_UNIPHIER is more suitable than CONFIG_ARCH_UNIPHIER
to guard the drivers/pinctrl/uniphier directory.
The current CONFIG_PINCTRL_UNIPHIER_CORE is a bit long
(it would break the indentation in drivers/pinctrl/Makefile),
so rename it into CONFIG_PINCTRL_UNIPHIER.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Fix up Sören's name in the Zynq driver. I caused this. I fix it.
Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There are a bunch of drivers that utilize the "ngpios" DT property
without any vendor prefix. Try to start cleaning up the mess by
defining what we mean by this property.
Cc: devicetree@vger.kernel.org
Cc: Pramod Kumar <pramodku@broadcom.com>
Cc: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add an entry for the ATH79 GPIO driver with myself as maintainer.
Signed-off-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In Microsoft Surface3 the GPIO detecting lid state is shared between GPIO
event and operation region. Below is simplied version of the DSDT from
Surface3 including relevant parts:
Scope (GPO0)
{
Name (_AEI, ResourceTemplate ()
{
GpioInt (Edge, ActiveBoth, Shared, PullNone, 0x0000,
"\\_SB.GPO0", 0x00, ResourceConsumer, ,
)
{ // Pin list
0x004C
}
})
OperationRegion (GPOR, GeneralPurposeIo, Zero, One)
Field (GPOR, ByteAcc, NoLock, Preserve)
{
Connection (
GpioIo (Shared, PullNone, 0x0000, 0x0000,
IoRestrictionNone, "\\_SB.GPO0", 0x00,
ResourceConsumer,,)
{ // Pin list
0x004C
}
),
HELD, 1
}
Method (_E4C, 0, Serialized) // _Exx: Edge-Triggered GPE
{
If ((HELD == One))
{
^^LID.LIDB = One
}
Else
{
^^LID.LIDB = Zero
Notify (LID, 0x80) // Status Change
}
Notify (^^PCI0.SPI1.NTRG, One) // Device Check
}
}
When GPIO 0x4c changes we call ASL method _E4C which tries to read HELD
field (the same GPIO). This triggers following error on the console:
ACPI Error: Method parse/execution failed [\_SB.GPO0._E4C]
(Node ffff88013f4b4438), AE_ERROR (20150930/psparse-542)
The error happens because ACPI GPIO operation region handler
(acpi_gpio_adr_space_handler()) tries to acquire the very same GPIO which
returns an error (-EBUSY) because the GPIO is already reserved for the GPIO
event.
Fix this so that we "borrow" the event GPIO if we find the GPIO belongs to
an event. Allow this only for GPIOs that are read.
To be able to go through acpi_gpio->events list for operation region access
we need to make sure the list is properly initialized whenever GPIO chip is
registered.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=106571
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Create a Kconfig submenu for drivers using X86 port-mapped I/O
and depend on X86 for this.
Suggested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Andreas Bofjall <andreas@gazonk.org>
Cc: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Cc: Daniel Krueger <daniel.krueger@systec-electronic.com>
Cc: Bruno Randolf <br1@einfach.org>
Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Pull networking fixes from David Miller:
1) Fix two regressions in ipv6 route lookups, particularly wrt output
interface specifications in the lookup key. From David Ahern.
2) Fix checks in ipv6 IPSEC tunnel pre-encap fragmentation, from
Herbert Xu.
3) Fix mis-advertisement of 1000BASE-T on bcm63xx_enet, from Simon
Arlott.
4) Some smsc phys misbehave with energy detect mode enabled, so add a
DT property and disable it on such switches. From Heiko Schocher.
5) Fix TSO corruption on TX in mv643xx_eth, from Philipp Kirchhofer.
6) Fix regression added by removal of openvswitch vport stats, from
James Morse.
7) Vendor Kconfig options should be bool, not tristate, from Andreas
Schwab.
8) Use non-_BH() net stats bump in tcp_xmit_probe_skb(), otherwise we
barf during TCP REPAIR operations.
9) Fix various bugs in openvswitch conntrack support, from Joe
Stringer.
10) Fix NETLINK_LIST_MEMBERSHIPS locking, from David Herrmann.
11) Don't have VSOCK do sock_put() in interrupt context, from Jorgen
Hansen.
12) Fix skb_realloc_headroom() failures properly in ISDN, from Karsten
Keil.
13) Add some device IDs to qmi_wwan, from Bjorn Mork.
14) Fix ovs egress tunnel information when using lwtunnel devices, from
Pravin B Shelar.
15) Add missing NETIF_F_FRAGLIST to macvtab feature list, from Jason
Wang.
16) Fix incorrect handling of throw routes when the result of the throw
cannot find a match, from Xin Long.
17) Protect ipv6 MTU calculations from wrap-around, from Hannes Frederic
Sowa.
18) Fix failed autonegotiation on KSZ9031 micrel PHYs, from Nathan
Sullivan.
19) Add missing memory barries in descriptor accesses or xgbe driver,
from Thomas Lendacky.
20) Fix release conditon test in pppoe_release(), from Guillaume Nault.
21) Fix gianfar bugs wrt filter configuration, from Claudiu Manoil.
22) Fix violations of RX buffer alignment in sh_eth driver, from Sergei
Shtylyov.
23) Fixing missing of_node_put() calls in various places around the
networking, from Julia Lawall.
24) Fix incorrect leaf now walking in ipv4 routing tree, from Alexander
Duyck.
25) RDS doesn't check pskb_pull()/pskb_trim() return values, from
Sowmini Varadhan.
26) Fix VLAN configuration in mlx4 driver, from Jack Morgenstein.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (79 commits)
ipv6: protect mtu calculation of wrap-around and infinite loop by rounding issues
Revert "Merge branch 'ipv6-overflow-arith'"
net/mlx4: Copy/set only sizeof struct mlx4_eqe bytes
net/mlx4_en: Explicitly set no vlan tags in WQE ctrl segment when no vlan is present
vhost: fix performance on LE hosts
bpf: sample: define aarch64 specific registers
amd-xgbe: Fix race between access of desc and desc index
RDS-TCP: Recover correctly from pskb_pull()/pksb_trim() failure in rds_tcp_data_recv
forcedeth: fix unilateral interrupt disabling in netpoll path
openvswitch: Fix skb leak using IPv6 defrag
ipv6: Export nf_ct_frag6_consume_orig()
openvswitch: Fix double-free on ip_defrag() errors
fib_trie: leaf_walk_rcu should not compute key if key is less than pn->key
net: mv643xx_eth: add missing of_node_put
ath6kl: add missing of_node_put
net: phy: mdio: add missing of_node_put
netdev/phy: add missing of_node_put
net: netcp: add missing of_node_put
net: thunderx: add missing of_node_put
ipv6: gre: support SIT encapsulation
...
thread.vm86 points to per-task information -- the pointer should not
be copied on clone.
Fixes: d4ce0f26c7 ("x86/vm86: Move fields from 'struct kernel_vm86_struct' to 'struct vm86'")
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Stas Sergeev <stsp@list.ru>
Link: http://lkml.kernel.org/r/71c5d6985d70ec8197c8d72f003823c81b7dcf99.1446270067.git.luto@kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Mere possession of vm86 state is strange. Make sure that nothing
gets corrupted if we fork after calling vm86().
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Stas Sergeev <stsp@list.ru>
Link: http://lkml.kernel.org/r/08f83295460a80e41dc5e3e81ec40d6844d316f5.1446270067.git.luto@kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Pull input layer fixes from Dmitry Torokhov:
- a change to the ALPS driver where we had limit the quirk for
trackstick handling from being active on all Dells to just a few
models
- a fix for a build dependency issue in the sur40 driver
- a small clock handling fixup in the LPC32xx touchscreen driver
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: alps - only the Dell Latitude D420/430/620/630 have separate stick button bits
Input: sur40 - add dependency on VIDEO_V4L2
Input: lpc32xx_ts - fix warnings caused by enabling unprepared clock
NUMA
- Prevent out of bounds access in sysfs numa_node override (Sasha Levin)
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Merge tag 'pci-v4.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Sorry for this last-minute update; it's been in -next for quite a
while, but I forgot about it until I started getting ready for the
merge window.
It's small and fixes a way a user could cause a panic via sysfs, so I
think it's worth getting it in v4.3.
NUMA:
- Prevent out of bounds access in sysfs numa_node override (Sasha Levin)"
* tag 'pci-v4.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Prevent out of bounds access in numa_node override
- Fix omap3 MUSB with DMA caused by driver core changes
- Fix LCD DMA interrupt number for omap1 that did not
get changed for sparse IRQ changes
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Merge tag 'omap-for-v4.3/fixes-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Two omap regression fixes:
- Fix omap3 MUSB with DMA caused by driver core changes
- Fix LCD DMA interrupt number for omap1 that did not
get changed for sparse IRQ changes
* tag 'omap-for-v4.3/fixes-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
usb: musb: omap2430: Fix regression caused by driver core change
ARM: OMAP1: fix incorrect INT_DMA_LCD
Signed-off-by: Olof Johansson <olof@lixom.net>
Arguments passed to list_add_tail were reversed resulting in deletion
of old blob property everytime the new one is added.
Fixes
commit e2f5d2ea47
Author: Daniel Stone <daniels@collabora.com>
Date: Fri May 22 13:34:51 2015 +0100
drm/mode: Add user blob-creation ioctl
Signed-off-by: Maneet Singh <mmaneetsingh@nvidia.com>
[seanpaul tweaked commit subject a little]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Cc: stable@kernel.org # v4.2
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
This reverts commit 7eb418851f.
This commit is poorly justified, I can find not discusison in email,
and it clearly causes a problem.
If a device which is being recovered fails and is subsequently
re-added to an array, there could easily have been changes to the
array *before* the point where the recovery was up to. So the
recovery must start again from the beginning.
If a spare is being recovered and fails, then when it is re-added we
really should do a bitmap-based recovery up to the recovery-offset,
and then a full recovery from there. Before this reversion, we only
did the "full recovery from there" which is not corect. After this
reversion with will do a full recovery from the start, which is safer
but not ideal.
It will be left to a future patch to arrange the two different styles
of recovery.
Reported-and-tested-by: Nate Dailey <nate.dailey@stratus.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Cc: stable@vger.kernel.org (3.14+)
Fixes: 7eb418851f ("md: allow a partially recovered device to be hot-added to an array.")
The size here comes from the user via the ioctl, it is a number between
1-u32max so the addition here could overflow on 32 bit systems.
Fixes: f453ba0460 ('DRM: add mode setting support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Cc: stable@kernel.org # v4.2
Signed-off-by: Dave Airlie <airlied@gmail.com>
- Fix corruption in SWP emulation when STXR fails due to contention
- Fix MMU re-initialisation when resuming from a low-power state
- Fix stack unwinding code to match what ftrace expects
- Fix relocation code in the EFI stub when DRAM base is not 2MB aligned
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Apologies for this being so late, but we've uncovered a few nasty
issues on arm64 which didn't settle down until yesterday and the fixes
all look suitable for 4.3. Of the four patches, three of them are
Cc'd to stable, with the remaining patch fixing an issue that only
took effect during the merge window.
Summary:
- Fix corruption in SWP emulation when STXR fails due to contention
- Fix MMU re-initialisation when resuming from a low-power state
- Fix stack unwinding code to match what ftrace expects
- Fix relocation code in the EFI stub when DRAM base is not 2MB aligned"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/efi: do not assume DRAM base is aligned to 2 MB
Revert "ARM64: unwind: Fix PC calculation"
arm64: kernel: fix tcr_el1.t0sz restore on systems with extended idmap
arm64: compat: fix stxr failure case in SWP emulation
that it is essential to build systemd.
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Merge tag 'please-pull-syscalls' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull ia64 kcmp syscall from Tony Luck:
"Missed adding the kcmp() syscall a long time ago. Now it seems that
it is essential to build systemd"
* tag 'please-pull-syscalls' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
[IA64] Wire up kcmp syscall
After commit 566c09c534 ("raid5: relieve lock contention in get_active_stripe()")
__find_stripe() is called under conf->hash_locks + hash.
But handle_stripe_clean_event() calls remove_hash() under
conf->device_lock.
Under some cirscumstances the hash chain can be circuited,
and we get an infinite loop with disabled interrupts and locked hash
lock in __find_stripe(). This leads to hard lockup on multiple CPUs
and following system crash.
I was able to reproduce this behavior on raid6 over 6 ssd disks.
The devices_handle_discard_safely option should be set to enable trim
support. The following script was used:
for i in `seq 1 32`; do
dd if=/dev/zero of=large$i bs=10M count=100 &
done
neilb: original was against a 3.x kernel. I forward-ported
to 4.3-rc. This verison is suitable for any kernel since
Commit: 59fc630b8b ("RAID5: batch adjacent full stripe write")
(v4.1+). I'll post a version for earlier kernels to stable.
Signed-off-by: Roman Gushchin <klamm@yandex-team.ru>
Fixes: 566c09c534 ("raid5: relieve lock contention in get_active_stripe()")
Signed-off-by: NeilBrown <neilb@suse.com>
Cc: Shaohua Li <shli@kernel.org>
Cc: <stable@vger.kernel.org> # 3.13 - 4.2
rbd requires stable pages, as it performs a crc of the page data before
they are send to the OSDs.
But since kernel 3.9 (patch 1d1d1a7672
"mm: only enforce stable page writes if the backing device requires
it") it is not assumed anymore that block devices require stable pages.
This patch sets the necessary flag to get stable pages back for rbd.
In a ceph installation that provides multiple ext4 formatted rbd
devices "bad crc" messages appeared regularly (ca 1 message every 1-2
minutes on every OSD that provided the data for the rbd) in the
OSD-logs before this patch. After this patch this messages are pretty
much gone (only ca 1-2 / month / OSD).
Cc: stable@vger.kernel.org # 3.9+, needs backporting
Signed-off-by: Ronny Hegewald <Ronny.Hegewald@online.de>
[idryomov@gmail.com: require stable pages only in crc case, changelog]
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
NCT6792 and NCT6793 are mostly register compatible to NCT6791, but
temperature sources are different and difficult to manage with a single
temperature label array. Introduce separate temperature label arrays
for those chips to reflect the differences.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Both NCT6791D and NCT6792D permit selection of a 'virtual' temperature
register as temperature source. The virtual temperature registers are
registers 0xea to 0xef in bank 0 and can be written by software.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The sizeof() is invoked on an incorrect variable, likely due to some
copy-paste error, and this might result in memory corruption. Fix this.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Wolfgang Grandegger <wg@grandegger.com>
Cc: netdev@vger.kernel.org
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2015-10-30
1) The flow cache is limited by the flow cache limit which
depends on the number of cpus and the xfrm garbage collector
threshold which is independent of the number of cpus. This
leads to the fact that on systems with more than 16 cpus
we hit the xfrm garbage collector limit and refuse new
allocations, so new flows are dropped. On systems with 16
or less cpus, we hit the flowcache limit. In this case, we
shrink the flow cache instead of refusing new flows.
We increase the xfrm garbage collector threshold to INT_MAX
to get the same behaviour, independent of the number of cpus.
2) Fix some unaligned accesses on sparc systems.
From Sowmini Varadhan.
3) Fix some header checks in _decode_session4. We may call
pskb_may_pull with a negative value converted to unsigened
int from pskb_may_pull. This can lead to incorrect policy
lookups. We fix this by a check of the data pointer position
before we call pskb_may_pull.
4) Reload skb header pointers after calling pskb_may_pull
in _decode_session4 as this may change the pointers into
the packet.
5) Add a missing statistic counter on inner mode errors.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
* bug fix for TDLS
* fixes and cleanups in scan
* support of several scan plans
* improvements in FTM
* fixes in FW API
* improvements in the failure paths when the bus is dead
* other various small things here and there
ath10k
* add QCA9377 support
* fw_stats support for 10.4 firmware
ath6kl
* report antenna configuration to user space
* implement ethtool stats
ssb
* add Kconfig SSB_HOST_SOC for compiling SoC related code
* move functions specific to SoC hosted bus to separated file
* pick PCMCIA host code support from b43 driver
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Merge tag 'wireless-drivers-next-for-davem-2015-10-29' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
iwlwifi
* bug fix for TDLS
* fixes and cleanups in scan
* support of several scan plans
* improvements in FTM
* fixes in FW API
* improvements in the failure paths when the bus is dead
* other various small things here and there
ath10k
* add QCA9377 support
* fw_stats support for 10.4 firmware
ath6kl
* report antenna configuration to user space
* implement ethtool stats
ssb
* add Kconfig SSB_HOST_SOC for compiling SoC related code
* move functions specific to SoC hosted bus to separated file
* pick PCMCIA host code support from b43 driver
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes: 4d429c5dd ("switchdev: introduce possibility to defer obj_add/del")
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When adding vlans with multiple IFLA_BRIDGE_VLAN_INFO attrs set in AFSPEC,
we would wipe the vlan obj struct after the first IFLA_BRIDGE_VLAN_INFO.
Fix this by only clearing what's necessary on each IFLA_BRIDGE_VLAN_INFO
iteration.
Fixes: 9e8f4a54 ("switchdev: push object ID back to object structure")
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is the NFC pull request for 4.4.
It's a bit bigger than usual, the 3 main culprits being:
- A new driver for Intel's Fields Peak NCI chipset. In order to
support this chipset we had to export a few NCI routines and
extend the driver NCI ops to not only support proprietary
commands but also core ones.
- Support for vendor commands for both STM drivers, st-nci
and st21nfca. Those vendor commands allow to run factory tests
through the NFC netlink interface.
- New i2c and SPI support for the Marvell driver, together with
firmware download support for this driver's core.
Besides that we also have:
- A few file renames in the STM drivers, to keep the naming
consistent between drivers.
- Some improvements and fixes on the NCI HCI layer, mostly to
properly reach a secure element over a legacy HCI link.
- A few fixes for the s3fwrn5 and trf7970a drivers.
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Merge tag 'nfc-next-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next
Samuel Ortiz says:
====================
NFC 4.4 pull request
This is the NFC pull request for 4.4.
It's a bit bigger than usual, the 3 main culprits being:
- A new driver for Intel's Fields Peak NCI chipset. In order to
support this chipset we had to export a few NCI routines and
extend the driver NCI ops to not only support proprietary
commands but also core ones.
- Support for vendor commands for both STM drivers, st-nci
and st21nfca. Those vendor commands allow to run factory tests
through the NFC netlink interface.
- New i2c and SPI support for the Marvell driver, together with
firmware download support for this driver's core.
Besides that we also have:
- A few file renames in the STM drivers, to keep the naming
consistent between drivers.
- Some improvements and fixes on the NCI HCI layer, mostly to
properly reach a secure element over a legacy HCI link.
- A few fixes for the s3fwrn5 and trf7970a drivers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Johan Hedberg says:
====================
pull request: bluetooth-next 2015-10-28
Here are a some more Bluetooth patches for 4.4 which collected up during
the past week. The most important ones are from Kuba Pawlak for fixing
locking issues with SCO sockets. There's also a fix from Alexander Aring
for 6lowpan, a memleak fix from Julia Lawall for the btmrvl driver and
some cleanup patches from Marcel.
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Supplying pinmux configuration for e.g. gpio pins leads to deferred
probes because the pinctrl device is probed much later than gpio.
Move the init call to a much earlier stage so it probes before the
devices that may need it.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Tested-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add William Breathitt Gray as the maintainer of the ACCES 104-IDIO-16
GPIO driver.
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Our IRQ storm detection works when an interrupt handler returns
IRQ_NONE for thousands of consecutive interrupts in a second. It
doesn't hurt to occasionally return IRQ_NONE when the interrupt is
actually genuine.
Drivers should only be returning IRQ_HANDLED if they have actually
*done* something to stop an interrupt from happening — it doesn't just
mean "this really *was* my device".
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: davem@davemloft.net
Link: http://lkml.kernel.org/r/1446016471.3405.201.camel@infradead.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This change makes it so that we reinitialize the interface if the MTU is
increased back above IPV6_MIN_MTU and the interface is up.
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
New features:
- Allow passing C language eBPF scriptlets via --event in all tools,
so that it gets built using clang and then pass it to the kernel via
sys_bpf() (Wang Nan)
- Wire up the loaded ebpf object file with associated kprobes, so that
it can determine if the kprobes will be filtered or not (Wang Nan)
User visible:
- Add cmd string table to decode sys_bpf first arg in 'trace' (Arnaldo Carvalho de Melo)
- Enable printing of branch stack in 'perf script' (Stephane Eranian)
- Pass the right file with debug info to libunwind (Rabin Vincent)
Build Fixes:
- Make sure fixdep is built before libbpf, fixing a race (Jiri Olsa)
- Fix libiberty feature detection (Rabin Vincent)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
New features:
- Allow passing C language eBPF scriptlets via --event in all tools,
so that it gets built using clang and then pass it to the kernel via
sys_bpf(). (Wang Nan)
- Wire up the loaded ebpf object file with associated kprobes, so that
it can determine if the kprobes will be filtered or not. (Wang Nan)
User visible changes:
- Add cmd string table to decode sys_bpf first arg in 'trace'. (Arnaldo Carvalho de Melo)
- Enable printing of branch stack in 'perf script'. (Stephane Eranian)
- Pass the right file with debug info to libunwind. (Rabin Vincent)
Build Fixes:
- Make sure fixdep is built before libbpf, fixing a race. (Jiri Olsa)
- Fix libiberty feature detection. (Rabin Vincent)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Linus Walleij