Spoofcheck can't be enabled if VF MAC is zero.
Vice versa, can't zero MAC if spoofcheck is on.
Fixes: 8f7ba3ca12 ('net/mlx4: Add set VF mac address support')
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As ENOTSUPP is specific to NFS, change the return error value to
EOPNOTSUPP in various places in the mlx4 driver.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Suggested-by: Yotam Gigi <yotamg@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Consistently use types from linux/types.h to fix the following
linux/rds.h userspace compilation errors:
/usr/include/linux/rds.h:198:2: error: unknown type name 'u8'
u8 rx_traces;
/usr/include/linux/rds.h:199:2: error: unknown type name 'u8'
u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX];
/usr/include/linux/rds.h:203:2: error: unknown type name 'u8'
u8 rx_traces;
/usr/include/linux/rds.h:204:2: error: unknown type name 'u8'
u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX];
/usr/include/linux/rds.h:205:2: error: unknown type name 'u64'
u64 rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX];
Fixes: 3289025aed ("RDS: add receive message trace used by application")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Include <linux/in6.h> in uapi/linux/seg6.h to fix the following
linux/seg6.h userspace compilation error:
/usr/include/linux/seg6.h:31:18: error: array type has incomplete element type 'struct in6_addr'
struct in6_addr segments[0];
Include <linux/seg6.h> in uapi/linux/seg6_iptunnel.h to fix
the following linux/seg6_iptunnel.h userspace compilation error:
/usr/include/linux/seg6_iptunnel.h:26:21: error: array type has incomplete element type 'struct ipv6_sr_hdr'
struct ipv6_sr_hdr srh[0];
Fixes: a50a05f497 ("ipv6: sr: add missing Kbuild export for header files")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
As reported by Geert, remove the string so the user does not see this
config option. The option is explicitly selected only as a dependency of
in-kernel users.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 44091d29f2 ("lib: Introduce priority array area manager")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
In a void function, it is not necessary to append a return statement in it.
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
trivial fix to spelling mistake in verbose log message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Include <linux/if.h> to fix the following linux/llc.h userspace
compilation error:
/usr/include/linux/llc.h:26:27: error: 'IFHWADDRLEN' undeclared here (not in a function)
unsigned char sllc_mac[IFHWADDRLEN];
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Include <linux/if.h> and <linux/in6.h> to fix the following
linux/ip6_tunnel.h userspace compilation errors:
/usr/include/linux/ip6_tunnel.h:23:12: error: 'IFNAMSIZ' undeclared here (not in a function)
char name[IFNAMSIZ]; /* name of tunnel device */
/usr/include/linux/ip6_tunnel.h:30:18: error: field 'laddr' has incomplete type
struct in6_addr laddr; /* local tunnel end-point address */
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Saeed Mahameed says:
====================
Mellanox mlx5e fixes for 4.11-rc1
This series includes some important bug fixes for mlx5e driver.
Three misc fixes:
From Mohamad, compilation fix on s390 system
From Me, A fix for driver unload when switchdev mode is on.
From Tariq, HW LRO frag size optimization for when build_skb is not used
(striding RQ mode).
Three CQE compression related fixes:
Two fixes from Tariq and I, to correctly setup CQE compression
parameters on driver load and on arbitrary user modifications.
Last patch, fixes a very critical issue that was originally reported
by Tom, where the driver reported csum errors or even page ref issues
for when cqe compression is enabled and rapidly active.
For your convenience this series was generated on top of net-next branch:
005c3490e9 ('Revert "ath10k: Search SMBIOS for OEM board file extension"')
for -stable:
net/mlx5e: Register/unregister vport representors on interface (for kernel >= 4.9)
net/mlx5e: Do not reduce LRO WQE size when not using build_skb (for kernel >= 4.9)
net/mlx5e: Fix broken CQE compression initialization (for kernel >= 4.9)
net/mlx5e: Update MPWQE stride size when modifying CQE compress state (for kernel >= 4.7)
net/mlx5e: Fix wrong CQE decompression (for kernel >= 4.7)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In cqe compression with striding RQ, the decompression of the CQE field
wqe_counter was done with a wrong wraparound value.
This caused handling cqes with a wrong pointer to wqe (rx descriptor)
and creating SKBs with wrong data, pointing to wrong (and already consumed)
strides/pages.
The meaning of the CQE field wqe_counter in striding RQ holds the
stride index instead of the WQE index. Hence, when decompressing
a CQE, wqe_counter should have wrapped-around the number of strides
in a single multi-packet WQE.
We dropped this wrap-around mask at all in CQE decompression of striding
RQ. It is not needed as in such cases the CQE compression session would
break because of different value of wqe_id field, starting a new
compression session.
Tested:
ethtool -K ethxx lro off/on
ethtool --set-priv-flags ethxx rx_cqe_compress on
super_netperf 16 {ipv4,ipv6} -t TCP_STREAM -m 50 -D
verified no csum errors and no page refcount issues.
Fixes: 7219ab34f1 ("net/mlx5e: CQE compression")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reported-by: Tom Herbert <tom@herbertland.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the admin enables/disables cqe compression, updating
mpwqe stride size is required:
CQE compress ON ==> stride size = 256B
CQE compress OFF ==> stride size = 64B
This is already done on driver load via mlx5e_set_rq_type_params, all we
need is just to call it on arbitrary admin changes of cqe compression
state via priv flags or when changing timestamping state
(as it is mutually exclusive with cqe compression).
This bug introduces no functional damage, it only makes cqe compression
occur less often, since in ConnectX4-LX CQE compression is performed
only on packets smaller than stride size.
Tested:
ethtool --set-priv-flags ethxx rx_cqe_compress on
pktgen with 64 < pkt size < 256 and netperf TCP_STREAM (IPv4/IPv6)
verify `ethtool -S ethxx | grep compress` are advancing more often
(rapidly)
Fixes: 7219ab34f1 ("net/mlx5e: CQE compression")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: David S. Miller <davem@davemloft.net>
Some of RQ type parameters are derived from CQE compression state flag,
CQE compression flag was initialized only after RQ type parameters
setup. This leads to load RQ with stride size smaller than what we
want for when CQE compression is on.
This bug introduces no functional damage, it only makes CQE compression
occur less often, since in ConnectX4-LX CQE compression is performed
only on packets smaller than stride size.
Fix this by marking default status of CQE compression in PFLAG prior to
calling mlx5e_set_rq_priv_params(), as it inits some fields based on it.
Tested:
load driver on systems where rx CQE compress will be on (MH)
pktgen with 64 < pkt size < 256 and netperf TCP_STREAM (IPv4/IPv6)
verify `ethtool -S ethxx | grep compress` are advancing more often
(rapidly)
Fixes: 2fc4bfb725 ("net/mlx5e: Dynamic RQ type infrastructure")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When rq_type is Striding RQ, no room of SKB_RESERVE is needed
as SKB allocation is not done via build_skb.
Fixes: e4b8550807 ("net/mlx5e: Slightly reduce hardware LRO size")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently vport representors are added only on driver load and removed on
driver unload. Apparently we forgot to handle them when we added the
seamless reset flow feature. This caused to leave the representors
netdevs alive and active with open HW resources on pci shutdown and on
error reset flows.
To overcome this we move their handling to interface attach/detach, so
they would be cleaned up on shutdown and recreated on reset flows.
Fixes: 26e59d8077 ("net/mlx5e: Implement mlx5e interface attach/detach callbacks")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Hadar Hen Zion <hadarh@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We can get SYN with zero tsecr, don't apply offset in this case.
Fixes: ee684b6f28 ("tcp: send packets with a socket timestamp")
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Found that when randomized tcp offsets are enabled (by default)
TCP client can still start new connections without them. Later,
if server does active close and re-uses sockets in TIME-WAIT
state, new SYN from client can be rejected on PAWS check inside
tcp_timewait_state_process(), because either tw_ts_recent or
rcv_tsval doesn't really have an offset set.
Here is how to reproduce it with LTP netstress tool:
netstress -R 1 &
netstress -H 127.0.0.1 -lr 1000000 -a1
[...]
< S seq 1956977072 win 43690 TS val 295618 ecr 459956970
> . ack 1956911535 win 342 TS val 459967184 ecr 1547117608
< R seq 1956911535 win 0 length 0
+1. < S seq 1956977072 win 43690 TS val 296640 ecr 459956970
> S. seq 657450664 ack 1956977073 win 43690 TS val 459968205 ecr 296640
Fixes: 95a22caee3 ("tcp: randomize tcp timestamp offsets for each connection")
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
DCCP doesn't purge timewait sockets on network namespace shutdown.
So, after net namespace destroyed we could still have an active timer
which will trigger use after free in tw_timer_handler():
BUG: KASAN: use-after-free in tw_timer_handler+0x4a/0xa0 at addr ffff88010e0d1e10
Read of size 8 by task swapper/1/0
Call Trace:
__asan_load8+0x54/0x90
tw_timer_handler+0x4a/0xa0
call_timer_fn+0x127/0x480
expire_timers+0x1db/0x2e0
run_timer_softirq+0x12f/0x2a0
__do_softirq+0x105/0x5b4
irq_exit+0xdd/0xf0
smp_apic_timer_interrupt+0x57/0x70
apic_timer_interrupt+0x90/0xa0
Object at ffff88010e0d1bc0, in cache net_namespace size: 6848
Allocated:
save_stack_trace+0x1b/0x20
kasan_kmalloc+0xee/0x180
kasan_slab_alloc+0x12/0x20
kmem_cache_alloc+0x134/0x310
copy_net_ns+0x8d/0x280
create_new_namespaces+0x23f/0x340
unshare_nsproxy_namespaces+0x75/0xf0
SyS_unshare+0x299/0x4f0
entry_SYSCALL_64_fastpath+0x18/0xad
Freed:
save_stack_trace+0x1b/0x20
kasan_slab_free+0xae/0x180
kmem_cache_free+0xb4/0x350
net_drop_ns+0x3f/0x50
cleanup_net+0x3df/0x450
process_one_work+0x419/0xbb0
worker_thread+0x92/0x850
kthread+0x192/0x1e0
ret_from_fork+0x2e/0x40
Add .exit_batch hook to dccp_v4_ops()/dccp_v6_ops() which will purge
timewait sockets on net namespace destruction and prevent above issue.
Fixes: f2bf415cfe ("mib: add net to NET_ADD_STATS_BH")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Include <sys/socket.h> (guarded by ifndef __KERNEL__) to fix
the following linux/if.h userspace compilation errors:
/usr/include/linux/if.h:234:19: error: field 'ifru_addr' has incomplete type
struct sockaddr ifru_addr;
/usr/include/linux/if.h:235:19: error: field 'ifru_dstaddr' has incomplete type
struct sockaddr ifru_dstaddr;
/usr/include/linux/if.h:236:19: error: field 'ifru_broadaddr' has incomplete type
struct sockaddr ifru_broadaddr;
/usr/include/linux/if.h:237:19: error: field 'ifru_netmask' has incomplete type
struct sockaddr ifru_netmask;
/usr/include/linux/if.h:238:20: error: field 'ifru_hwaddr' has incomplete type
struct sockaddr ifru_hwaddr;
This also fixes userspace compilation of the following uapi headers:
linux/atmbr2684.h
linux/gsmmux.h
linux/if_arp.h
linux/if_bonding.h
linux/if_frad.h
linux/if_pppox.h
linux/if_tunnel.h
linux/netdevice.h
linux/route.h
linux/wireless.h
As no uapi header provides a definition of struct sockaddr, inclusion
of <sys/socket.h> seems to be the most conservative and the only safe
fix available.
All current users of <linux/if.h> are very likely to be including
<sys/socket.h> already because the latter is the sole provider
of struct sockaddr definition in libc, so adding a uapi header
with a definition of struct sockaddr would create a potential
conflict with <sys/socket.h>.
Replacing struct sockaddr in the definition of struct ifreq with
a different type would create a potential incompatibility with current
users of struct ifreq who might rely on ifru_addr et al members being
of type struct sockaddr.
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
While destroying a network namespace that contains a L2TP tunnel a
"BUG: scheduling while atomic" can be observed.
Enabling lockdep shows that this is happening because l2tp_exit_net()
is calling l2tp_tunnel_closeall() (via l2tp_tunnel_delete()) from
within an RCU critical section.
l2tp_exit_net() takes rcu_read_lock_bh()
<< list_for_each_entry_rcu() >>
l2tp_tunnel_delete()
l2tp_tunnel_closeall()
__l2tp_session_unhash()
synchronize_rcu() << Illegal inside RCU critical section >>
BUG: sleeping function called from invalid context
in_atomic(): 1, irqs_disabled(): 0, pid: 86, name: kworker/u16:2
INFO: lockdep is turned off.
CPU: 2 PID: 86 Comm: kworker/u16:2 Tainted: G W O 4.4.6-at1 #2
Hardware name: Xen HVM domU, BIOS 4.6.1-xs125300 05/09/2016
Workqueue: netns cleanup_net
0000000000000000 ffff880202417b90 ffffffff812b0013 ffff880202410ac0
ffffffff81870de8 ffff880202417bb8 ffffffff8107aee8 ffffffff81870de8
0000000000000c51 0000000000000000 ffff880202417be0 ffffffff8107b024
Call Trace:
[<ffffffff812b0013>] dump_stack+0x85/0xc2
[<ffffffff8107aee8>] ___might_sleep+0x148/0x240
[<ffffffff8107b024>] __might_sleep+0x44/0x80
[<ffffffff810b21bd>] synchronize_sched+0x2d/0xe0
[<ffffffff8109be6d>] ? trace_hardirqs_on+0xd/0x10
[<ffffffff8105c7bb>] ? __local_bh_enable_ip+0x6b/0xc0
[<ffffffff816a1b00>] ? _raw_spin_unlock_bh+0x30/0x40
[<ffffffff81667482>] __l2tp_session_unhash+0x172/0x220
[<ffffffff81667397>] ? __l2tp_session_unhash+0x87/0x220
[<ffffffff8166888b>] l2tp_tunnel_closeall+0x9b/0x140
[<ffffffff81668c74>] l2tp_tunnel_delete+0x14/0x60
[<ffffffff81668dd0>] l2tp_exit_net+0x110/0x270
[<ffffffff81668d5c>] ? l2tp_exit_net+0x9c/0x270
[<ffffffff815001c3>] ops_exit_list.isra.6+0x33/0x60
[<ffffffff81501166>] cleanup_net+0x1b6/0x280
...
This bug can easily be reproduced with a few steps:
$ sudo unshare -n bash # Create a shell in a new namespace
# ip link set lo up
# ip addr add 127.0.0.1 dev lo
# ip l2tp add tunnel remote 127.0.0.1 local 127.0.0.1 tunnel_id 1 \
peer_tunnel_id 1 udp_sport 50000 udp_dport 50000
# ip l2tp add session name foo tunnel_id 1 session_id 1 \
peer_session_id 1
# ip link set foo up
# exit # Exit the shell, in turn exiting the namespace
$ dmesg
...
[942121.089216] BUG: scheduling while atomic: kworker/u16:3/13872/0x00000200
...
To fix this, move the call to l2tp_tunnel_closeall() out of the RCU
critical section, and instead call it from l2tp_tunnel_del_work(), which
is running from the l2tp_wq workqueue.
Fixes: 2b551c6e7d ("l2tp: close sessions before initiating tunnel delete")
Signed-off-by: Ridge Kennedy <ridge.kennedy@alliedtelesis.co.nz>
Acked-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Declare bin_attribute structures as const as they are only passed as an
arguments to the functions device_remove_bin_file and
device_create_bin_file. These function arguments are of type const, so
bin_attribute structures having this property can be made const too.
Done using Coccinelle:
@r1 disable optional_qualifier @
identifier i;
position p;
@@
static struct bin_attribute i@p = {...};
@ok1@
identifier r1.i;
position p,p1;
@@
(
device_remove_bin_file(...,&i@p)
|
device_create_bin_file(..., &i@p1)
)
@bad@
position p!={r1.p,ok1.p,ok1.p1};
identifier r1.i;
@@
i@p
@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct bin_attribute i;
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Declare bin_attribute structures as const as they are only passed as an
arguments to the functions device_remove_bin_file and
device_create_bin_file. These function arguments are of type const, so
bin_attribute structures having this property can be made const too.
Done using Coccinelle:
@r1 disable optional_qualifier @
identifier i;
position p;
@@
static struct bin_attribute i@p = {...};
@ok1@
identifier r1.i;
position p,p1;
@@
(
device_remove_bin_file(...,&i@p)
|
device_create_bin_file(..., &i@p1)
)
@bad@
position p!={r1.p,ok1.p,ok1.p1};
identifier r1.i;
@@
i@p
@depends on !bad disable optional_qualifier@
identifier r1.i;
@@
+const
struct bin_attribute i;
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds glue-code that allows the EMAC driver to interface
with the existing dt-supported PHYs in drivers/net/phy.
Because currently, the emac driver maintains a small library of
supported phys for in a private phy.c file located in the drivers
directory.
The support is limited to mostly single ethernet transceiver like the:
CIS8201, BCM5248, ET1011C, Marvell 88E1111 and 88E1112, AR8035.
However, routers like the Netgear WNDR4700 and Cisco Meraki MX60(W)
have a 5-port switch (AR8327N) attached to the EMAC. The switch chip
is supported by the qca8k mdio driver, which uses the generic phy
library. Another reason is that PHYLIB also supports the BCM54610,
which was used for the Western Digital My Book Live.
This will now also make EMAC select PHYLIB.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Errata workarounds for Qualcomm's Falkor CPU
- Qualcomm L2 Cache PMU driver
- Qualcomm SMCCC firmware quirk
- Support for DEBUG_VIRTUAL
- CPU feature detection for userspace via MRS emulation
- Preliminary work for the Statistical Profiling Extension
- Misc cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
- Errata workarounds for Qualcomm's Falkor CPU
- Qualcomm L2 Cache PMU driver
- Qualcomm SMCCC firmware quirk
- Support for DEBUG_VIRTUAL
- CPU feature detection for userspace via MRS emulation
- Preliminary work for the Statistical Profiling Extension
- Misc cleanups and non-critical fixes
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (74 commits)
arm64/kprobes: consistently handle MRS/MSR with XZR
arm64: cpufeature: correctly handle MRS to XZR
arm64: traps: correctly handle MRS/MSR with XZR
arm64: ptrace: add XZR-safe regs accessors
arm64: include asm/assembler.h in entry-ftrace.S
arm64: fix warning about swapper_pg_dir overflow
arm64: Work around Falkor erratum 1003
arm64: head.S: Enable EL1 (host) access to SPE when entered at EL2
arm64: arch_timer: document Hisilicon erratum 161010101
arm64: use is_vmalloc_addr
arm64: use linux/sizes.h for constants
arm64: uaccess: consistently check object sizes
perf: add qcom l2 cache perf events driver
arm64: remove wrong CONFIG_PROC_SYSCTL ifdef
ARM: smccc: Update HVC comment to describe new quirk parameter
arm64: do not trace atomic operations
ACPI/IORT: Fix the error return code in iort_add_smmu_platform_device()
ACPI/IORT: Fix iort_node_get_id() mapping entries indexing
arm64: mm: enable CONFIG_HOLES_IN_ZONE for NUMA
perf: xgene: Include module.h
...
- Intc imporvements [Yuriy]
- VDK platform updates [Alexey]
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Merge tag 'arc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- Intc imporvements [Yuriy]
- VDK platform updates [Alexey]
* tag 'arc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: [plat-*] ARC_HAS_COH_CACHES no longer relevant
ARCv2: intc: Delete useless comments in Device Trees
ARCv2: IDU-intc: Delete deprecated parameters in Device Trees
ARCv2: IDU-intc: mask all common interrupts by default
ARCv2: IDU-intc: Use build registers for getting numbers of interrupts
ARCv2: intc: Set default priority for all core interrupts
ARCv2: intc: Use runtime value of irq count for setting up intc
ARCv2: intc: Rework the build time irq count information
ARC: [intc-*]: confine NR_CPU_IRQS to intc code
ARCv2: intc: Use ARC_REG_STATUS32 for addressing STATUS32 reg
arc: vdk: Add support of UIO
arc: vdk: Add support of MMC controller
arc: vdk: Disable halt on reset
Highlights include:
- Support for direct mapped LPC on POWER9, giving Linux direct access to
devices that may be on there such as a UART.
- Memory hotplug support for the Power9 Radix MMU.
- Add new AUX vectors describing the processor's cache geometry, to be used by
glibc.
- The ability for a guest to ask the hypervisor to resize the guest's hash
table, and in addition support for doing so automatically when memory is
hotplugged into/out-of the guest. This allows the hash table to be sized
based on the current memory usage of the guest, rather than the maximum
possible memory usage.
- Implementation of optprobes (kprobe optimisation) for powerpc.
In addition there's the topic branch shared with the KVM tree, which includes
support for guests to use the Radix MMU on Power9.
Thanks to:
Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju T, Anton Blanchard,
Benjamin Herrenschmidt, Chris Packham, Daniel Axtens, Daniel Borkmann, David
Gibson, Finn Thain, Gautham R. Shenoy, Gavin Shan, Greg Kurz, Joel Stanley,
John Allen, Madhavan Srinivasan, Mahesh Salgaonkar, Markus Elfring, Michael
Neuling, Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Ravi
Bangoria, Reza Arbab, Shailendra Singh, Vaibhav Jain, Wei Yongjun.
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Merge tag 'powerpc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Highlights include:
- Support for direct mapped LPC on POWER9, giving Linux direct access
to devices that may be on there such as a UART.
- Memory hotplug support for the Power9 Radix MMU.
- Add new AUX vectors describing the processor's cache geometry, to
be used by glibc.
- The ability for a guest to ask the hypervisor to resize the guest's
hash table, and in addition support for doing so automatically when
memory is hotplugged into/out-of the guest. This allows the hash
table to be sized based on the current memory usage of the guest,
rather than the maximum possible memory usage.
- Implementation of optprobes (kprobe optimisation) for powerpc.
In addition there's the topic branch shared with the KVM tree, which
includes support for guests to use the Radix MMU on Power9.
Thanks to:
Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju T, Anton
Blanchard, Benjamin Herrenschmidt, Chris Packham, Daniel Axtens,
Daniel Borkmann, David Gibson, Finn Thain, Gautham R. Shenoy, Gavin
Shan, Greg Kurz, Joel Stanley, John Allen, Madhavan Srinivasan,
Mahesh Salgaonkar, Markus Elfring, Michael Neuling, Nathan Fontenot,
Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Ravi Bangoria, Reza
Arbab, Shailendra Singh, Vaibhav Jain, Wei Yongjun"
* tag 'powerpc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (129 commits)
powerpc/mm/radix: Skip ptesync in pte update helpers
powerpc/mm/radix: Use ptep_get_and_clear_full when clearing pte for full mm
powerpc/mm/radix: Update pte update sequence for pte clear case
powerpc/mm: Update PROTFAULT handling in the page fault path
powerpc/xmon: Fix data-breakpoint
powerpc/mm: Fix build break with BOOK3S_64=n and MEMORY_HOTPLUG=y
powerpc/mm: Fix build break when CMA=n && SPAPR_TCE_IOMMU=y
powerpc/mm: Fix build break with RADIX=y & HUGETLBFS=n
powerpc/pseries: Fix typo in parameter description
powerpc/kprobes: Remove kprobe_exceptions_notify()
kprobes: Introduce weak variant of kprobe_exceptions_notify()
powerpc/ftrace: Fix confusing help text for DISABLE_MPROFILE_KERNEL
powerpc/powernv: Fix opal_exit tracepoint opcode
powerpc: Add a prototype for mcount() so it can be versioned
powerpc: Drop GPL from of_node_to_nid() export to match other arches
powerpc/kprobes: Optimize kprobe in kretprobe_trampoline()
powerpc/kprobes: Implement Optprobes
powerpc/kprobes: Fixes for kprobe_lookup_name() on BE
powerpc: Add helper to check if offset is within relative branch range
powerpc/bpf: Introduce __PPC_SH64()
...
Pull s390 updates from Martin Schwidefsky:
- New entropy generation for the pseudo random number generator.
- Early boot printk output via sclp to help debug crashes on boot. This
needs to be enabled with a kernel parameter.
- Add proper no-execute support with a bit in the page table entry.
- Bug fixes and cleanups.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (65 commits)
s390/syscall: fix single stepped system calls
s390/zcrypt: make ap_bus explicitly non-modular
s390/zcrypt: Removed unneeded debug feature directory creation.
s390: add missing "do {} while (0)" loop constructs to multiline macros
s390/mm: add cond_resched call to kernel page table dumper
s390: get rid of MACHINE_HAS_PFMF and MACHINE_HAS_HPAGE
s390/mm: make memory_block_size_bytes available for !MEMORY_HOTPLUG
s390: replace ACCESS_ONCE with READ_ONCE
s390: Audit and remove any remaining unnecessary uses of module.h
s390: mm: Audit and remove any unnecessary uses of module.h
s390: kernel: Audit and remove any unnecessary uses of module.h
s390/kdump: Use "LINUX" ELF note name instead of "CORE"
s390: add no-execute support
s390: report new vector facilities
s390: use correct input data address for setup_randomness
s390/sclp: get rid of common response code handling
s390/sclp: don't add new lines to each printed string
s390/sclp: make early sclp code readable
s390/sclp: disable early sclp code as soon as the base sclp driver is active
s390/sclp: move early printk code to drivers
...
Pull networking updates from David Miller:
"Highlights:
1) Support TX_RING in AF_PACKET TPACKET_V3 mode, from Sowmini
Varadhan.
2) Simplify classifier state on sk_buff in order to shrink it a bit.
From Willem de Bruijn.
3) Introduce SIPHASH and it's usage for secure sequence numbers and
syncookies. From Jason A. Donenfeld.
4) Reduce CPU usage for ICMP replies we are going to limit or
suppress, from Jesper Dangaard Brouer.
5) Introduce Shared Memory Communications socket layer, from Ursula
Braun.
6) Add RACK loss detection and allow it to actually trigger fast
recovery instead of just assisting after other algorithms have
triggered it. From Yuchung Cheng.
7) Add xmit_more and BQL support to mvneta driver, from Simon Guinot.
8) skb_cow_data avoidance in esp4 and esp6, from Steffen Klassert.
9) Export MPLS packet stats via netlink, from Robert Shearman.
10) Significantly improve inet port bind conflict handling, especially
when an application is restarted and changes it's setting of
reuseport. From Josef Bacik.
11) Implement TX batching in vhost_net, from Jason Wang.
12) Extend the dummy device so that VF (virtual function) features,
such as configuration, can be more easily tested. From Phil
Sutter.
13) Avoid two atomic ops per page on x86 in bnx2x driver, from Eric
Dumazet.
14) Add new bpf MAP, implementing a longest prefix match trie. From
Daniel Mack.
15) Packet sample offloading support in mlxsw driver, from Yotam Gigi.
16) Add new aquantia driver, from David VomLehn.
17) Add bpf tracepoints, from Daniel Borkmann.
18) Add support for port mirroring to b53 and bcm_sf2 drivers, from
Florian Fainelli.
19) Remove custom busy polling in many drivers, it is done in the core
networking since 4.5 times. From Eric Dumazet.
20) Support XDP adjust_head in virtio_net, from John Fastabend.
21) Fix several major holes in neighbour entry confirmation, from
Julian Anastasov.
22) Add XDP support to bnxt_en driver, from Michael Chan.
23) VXLAN offloads for enic driver, from Govindarajulu Varadarajan.
24) Add IPVTAP driver (IP-VLAN based tap driver) from Sainath Grandhi.
25) Support GRO in IPSEC protocols, from Steffen Klassert"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1764 commits)
Revert "ath10k: Search SMBIOS for OEM board file extension"
net: socket: fix recvmmsg not returning error from sock_error
bnxt_en: use eth_hw_addr_random()
bpf: fix unlocking of jited image when module ronx not set
arch: add ARCH_HAS_SET_MEMORY config
net: napi_watchdog() can use napi_schedule_irqoff()
tcp: Revert "tcp: tcp_probe: use spin_lock_bh()"
net/hsr: use eth_hw_addr_random()
net: mvpp2: enable building on 64-bit platforms
net: mvpp2: switch to build_skb() in the RX path
net: mvpp2: simplify MVPP2_PRS_RI_* definitions
net: mvpp2: fix indentation of MVPP2_EXT_GLOBAL_CTRL_DEFAULT
net: mvpp2: remove unused register definitions
net: mvpp2: simplify mvpp2_bm_bufs_add()
net: mvpp2: drop useless fields in mvpp2_bm_pool and related code
net: mvpp2: remove unused 'tx_skb' field of 'struct mvpp2_tx_queue'
net: mvpp2: release reference to txq_cpu[] entry after unmapping
net: mvpp2: handle too large value in mvpp2_rx_time_coal_set()
net: mvpp2: handle too large value handling in mvpp2_rx_pkts_coal_set()
net: mvpp2: remove useless arguments in mvpp2_rx_{pkts, time}_coal_set
...
- infrastructure updates (gcc-common.h)
- introduce structleak plugin for forced initialization of some structures
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Merge tag 'gcc-plugins-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull gcc-plugins updates from Kees Cook:
"This includes infrastructure updates and the structleak plugin, which
performs forced initialization of certain structures to avoid possible
information exposures to userspace.
Summary:
- infrastructure updates (gcc-common.h)
- introduce structleak plugin for forced initialization of some
structures"
* tag 'gcc-plugins-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
gcc-plugins: Add structleak for more stack initialization
gcc-plugins: consolidate on PASS_INFO macro
gcc-plugins: add PASS_INFO and build_const_char_string()
CONFIG_SET_MODULE_RONX to the more sensible CONFIG_STRICT_KERNEL_RWX and
CONFIG_STRICT_MODULE_RWX.
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Merge tag 'rodata-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull rodata updates from Kees Cook:
"This renames the (now inaccurate) DEBUG_RODATA and related
SET_MODULE_RONX configs to the more sensible STRICT_KERNEL_RWX and
STRICT_MODULE_RWX"
* tag 'rodata-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
arch: Rename CONFIG_DEBUG_RODATA and CONFIG_DEBUG_MODULE_RONX
arch: Move CONFIG_DEBUG_RODATA and CONFIG_SET_MODULE_RONX to be common
- check zeroing on failed copy_from_user()/get_user() (caught bug on ARM)
- adjust tests for SMAP/PAN (can't zero userspace memory on failure)
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Merge tag 'usercopy-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull usercopy test updates from Kees Cook:
"This improves the usercopy tests:
- check zeroing on failed copy_from_user()/get_user() (caught bug on
ARM)
- adjust tests for SMAP/PAN (can't zero userspace memory on failure)"
* tag 'usercopy-v4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
usercopy: Add tests for all get_user() sizes
usercopy: Adjust tests to deal with SMAP/PAN
usercopy: add testcases to check zeroing on failure
Pull HID fix from Jiri Kosina:
"Regression fix for HID_RMI-driven synaptics touchpads in
!CONFIG_HID_RMI cases"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: rmi: fallback to generic/multitouch if hid-rmi is not built
Pull libata updates from Tejun Heo:
- Bartlomiej added pata_falcon
- Christoph is trying to remove use of static 4k buf. It's still WIP
- config cleanup around HAS_DMA
- other fixes and driver-specific changes
* 'for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (29 commits)
ata: pata_of_platform: using of_property_read_u32() helper
pata_atiixp: Don't use unconnected secondary port on SB600/SB700
libata-sff: Don't scan disabled ports when checking for legacy mode.
pata_octeon_cf: remove unused local variables from octeon_cf_set_piomode()
ahci: qoriq: added ls2088a platforms support
ahci: qoriq: report error when ecc register address is missing in dts
ahci: qoriq: added a condition to enable dma coherence
Revert "libata: switch to dynamic allocation instead of ata_scsi_rbuf"
ahci: imx: fix building without hwmon or thermal
ata: add Atari Falcon PATA controller driver
ata: pass queued command to ->sff_data_xfer method
ata: allow subsystem to be used on m68k arch
libata: switch to dynamic allocation instead of ata_scsi_rbuf
libata: don't call ata_scsi_rbuf_fill for command without a response buffer
libata: call ->scsi_done from ata_scsi_simulate
libata: remove the done callback from ata_scsi_args
libata: move struct ata_scsi_args to libata-scsi.c
libata: avoid global response buffer in atapi_qc_complete
libata-eh: Use switch() instead of sparse array for protocol strings
ata: sata_mv: Convert to devm_ioremap_resource()
...
This time we fairly boring and bit small update.
- Support for Intel iDMA 32-bit hardware
- deprecate broken support for channel switching in async_tx
- bunch of updates on stm32-dma
- Cyclic support for zx dma and making in generic zx dma driver
- Small updates to bunch of other drivers
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Merge tag 'dmaengine-4.11-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"This time we fairly boring and bit small update.
- Support for Intel iDMA 32-bit hardware
- deprecate broken support for channel switching in async_tx
- bunch of updates on stm32-dma
- Cyclic support for zx dma and making in generic zx dma driver
- Small updates to bunch of other drivers"
* tag 'dmaengine-4.11-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (29 commits)
async_tx: deprecate broken support for channel switching
dmaengine: rcar-dmac: Widen DMA mask to 40 bits
dmaengine: sun6i: allow build on ARM64 platforms (sun50i)
dmaengine: Provide a wrapper for memcpy operations
dmaengine: zx: fix build warning
dmaengine: dw: we do support Merrifield SoC in PCI mode
dmaengine: dw: add support of iDMA 32-bit hardware
dmaengine: dw: introduce register mappings for iDMA 32-bit
dmaengine: dw: introduce block2bytes() and bytes2block()
dmaengine: dw: extract dwc_chan_pause() for future use
dmaengine: dw: replace convert_burst() with one liner
dmaengine: dw: register IRQ and DMA pool with instance ID
dmaengine: dw: Fix data corruption in large device to memory transfers
dmaengine: ste_dma40: indicate granularity on channels
dmaengine: ste_dma40: indicate directions on channels
dmaengine: stm32-dma: Add error messages if xlate fails
dmaengine: dw: pci: remove LPE Audio DMA ID
dmaengine: stm32-dma: Add max_burst support
dmaengine: stm32-dma: Add synchronization support
dmaengine: stm32-dma: Fix residue computation issue in cyclic mode
...
Core changes:
- Switch the generic pin config argument from 16 to 24 bits,
only use 8 bits for the configuration type. We might need to
encode more information about a certain setting than we need
to encode different generic settings.
- Add a cross-talk API to the pin control GPIO back-end,
utilizing pinctrl_gpio_set_config() from GPIO drivers that
want to set up a certain pin configuration in the back-end.
This also includes the .set_config() refactoring of the
GPIO chips, so that they pass a generic configuration for
things like debouncing and single ended (typically open
drain). This change has also been merged in an immutable
branch to the GPIO tree.
- Take hogs with a delayed work, so that we finalize probing
a pin controller before trying to get any hogs.
- For pin controllers putting all group and function definitions
into the device tree, we now have generic code to deal with
this and it is used in two drivers so far.
- Simplifications of the pin request conflict check.
- Make dt_free_map() optional.
Updates to drivers:
- pinctrl-single now use the generic helpers to generate dynamic
group and function tables from the device tree.
- Texas Instruments IOdelay configuration driver add-on to
pinctrl-single.
- i.MX: use radix trees to store groups and functions, use the new
generic group and function helpers to manage them.
- Intel: add support for hardware debouncing and 1K pull-down.
New subdriver for the Gemini Lake SoC.
- Renesas SH-PFC: drive strength and bias support, CAN bus muxing,
MSIOF, SDHI, HSCIF for r8a7796. Gyro-ADC supporton r8a7791.
- Aspeed: use syscon cross-dependencies to set up related bits in
the LPC host controller and display controller.
- Aspeed: finalize G4 and G5 support. Fix mux configuration on
GPIOs. Add banks Y, Z, AA, AB and AC.
- AMD: support additional GPIO.
- STM32: set this controller to strict muxing mode.
STM32H743 MCU support.
- Allwinner sunxi: deep simplifications on how to support
subvariants of SoCs without adding to much SoC-specific data
for each subvariant, especially for sun5i variants. New driver
for V3s SoCs. New driver for the H5 SoC. Support A31/A31s
variants with the new variant framework.
- Mvebu: simplifications to use a MMIO and regmap abstraction.
New subdrivers for the 98DX3236, 98DX5241 SoCs.
- Samsung Exynos: delete Exynos4415 support. Add crosstalk to the
SoC driver to access regmaps. Add infrastructure for pin-bank
retention control. Clean out the pin retention control from
arch/arm/mach-exynos and arch/arm/mach-s5p and put it properly
in the Samsung pin control driver(s).
- Meson: add HDMI HPD/DDC pins. Add pwm_ao_b pin.
- Qualcomm: use raw spinlock variants: this makes the qualcomm
driver realtime-safe.
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Merge tag 'pinctrl-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"Pin control bulk changes for the v4.11 kernel cycle.
Core changes:
- Switch the generic pin config argument from 16 to 24 bits, only use
8 bits for the configuration type. We might need to encode more
information about a certain setting than we need to encode
different generic settings.
- Add a cross-talk API to the pin control GPIO back-end, utilizing
pinctrl_gpio_set_config() from GPIO drivers that want to set up a
certain pin configuration in the back-end.
This also includes the .set_config() refactoring of the GPIO chips,
so that they pass a generic configuration for things like
debouncing and single ended (typically open drain). This change has
also been merged in an immutable branch to the GPIO tree.
- Take hogs with a delayed work, so that we finalize probing a pin
controller before trying to get any hogs.
- For pin controllers putting all group and function definitions into
the device tree, we now have generic code to deal with this and it
is used in two drivers so far.
- Simplifications of the pin request conflict check.
- Make dt_free_map() optional.
Updates to drivers:
- pinctrl-single now use the generic helpers to generate dynamic
group and function tables from the device tree.
- Texas Instruments IOdelay configuration driver add-on to
pinctrl-single.
- i.MX: use radix trees to store groups and functions, use the new
generic group and function helpers to manage them.
- Intel: add support for hardware debouncing and 1K pull-down. New
subdriver for the Gemini Lake SoC.
- Renesas SH-PFC: drive strength and bias support, CAN bus muxing,
MSIOF, SDHI, HSCIF for r8a7796. Gyro-ADC supporton r8a7791.
- Aspeed: use syscon cross-dependencies to set up related bits in the
LPC host controller and display controller.
- Aspeed: finalize G4 and G5 support. Fix mux configuration on GPIOs.
Add banks Y, Z, AA, AB and AC.
- AMD: support additional GPIO.
- STM32: set this controller to strict muxing mode. STM32H743 MCU
support.
- Allwinner sunxi: deep simplifications on how to support subvariants
of SoCs without adding to much SoC-specific data for each
subvariant, especially for sun5i variants. New driver for V3s SoCs.
New driver for the H5 SoC. Support A31/A31s variants with the new
variant framework.
- Mvebu: simplifications to use a MMIO and regmap abstraction. New
subdrivers for the 98DX3236, 98DX5241 SoCs.
- Samsung Exynos: delete Exynos4415 support. Add crosstalk to the SoC
driver to access regmaps. Add infrastructure for pin-bank retention
control. Clean out the pin retention control from
arch/arm/mach-exynos and arch/arm/mach-s5p and put it properly in
the Samsung pin control driver(s).
- Meson: add HDMI HPD/DDC pins. Add pwm_ao_b pin.
- Qualcomm: use raw spinlock variants: this makes the qualcomm driver
realtime-safe"
* tag 'pinctrl-v4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (111 commits)
pinctrl: samsung: Fix return value check in samsung_pinctrl_get_soc_data()
pinctrl: intel: unlock on error in intel_config_set_pull()
pinctrl: berlin: make bool drivers explicitly non-modular
pinctrl: spear: make bool drivers explicitly non-modular
pinctrl: mvebu: make bool drivers explicitly non-modular
pinctrl: sunxi: make sun5i explicitly non-modular
pinctrl: sunxi: Remove stray printk call in sun5i driver's probe function
pinctrl: samsung: mark PM functions as __maybe_unused
pinctrl: sunxi: Remove redundant A31s pinctrl driver
pinctrl: sunxi: Support A31/A31s with pinctrl variants
pinctrl: Amend bindings for STM32 pinctrl
pinctrl: Add STM32 pinctrl driver DT bindings
pinctrl: stm32: Add STM32H743 MCU support
include: dt-bindings: Add STM32H7 pinctrl DT defines
gpio: aspeed: Remove dependence on GPIOF_* macros
pinctrl: stm32: fix bad location of gpiochip_lock_as_irq
drivers: pinctrl: add driver for Allwinner H5 SoC
pinctrl: intel: Add Intel Gemini Lake pin controller support
pinctrl: intel: Add support for 1k additional pull-down
pinctrl: intel: Add support for hardware debouncer
...
Commit 279967a65b ("HID: rmi: Handle all Synaptics touchpads using hid-rmi")
unconditionally switches over handling of all Synaptics touchpads to hid-rmi
(to make use of extended features of the HW); in case CONFIG_HID_RMI is
disabled though this renders the touchpad unusable, as the
HID_DEVICE(HID_BUS_ANY, HID_GROUP_RMI, HID_ANY_ID, HID_ANY_ID)
match doesn't exist and generic/multitouch doesn't bind to it either (due
to hid group mismatch).
Fix this by switching over to hid-rmi only if it has been actually built.
Fixes: 279967a65b ("HID: rmi: Handle all Synaptics touchpads using hid-rmi")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Merge tag 'extable-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull exception table module split from Paul Gortmaker:
"Final extable.h related changes.
This completes the separation of exception table content from the
module.h header file. This is achieved with the final commit that
removes the one line back compatible change that sourced extable.h
into the module.h file.
The commits are unchanged since January, with the exception of a
couple Acks that came in for the last two commits a bit later. The
changes have been in linux-next for quite some time[1] and have got
widespread arch coverage via toolchains I have and also from
additional ones the kbuild bot has.
Maintaners of the various arch were Cc'd during the postings to
lkml[2] and informed that the intention was to take the remaining arch
specific changes and lump them together with the final two non-arch
specific changes and submit for this merge window.
The ia64 diffstat stands out and probably warrants a mention. In an
earlier review, Al Viro made a valid comment that the original header
separation of content left something to be desired, and that it get
fixed as a part of this change, hence the larger diffstat"
* tag 'extable-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (21 commits)
module.h: remove extable.h include now users have migrated
core: migrate exception table users off module.h and onto extable.h
cris: migrate exception table users off module.h and onto extable.h
hexagon: migrate exception table users off module.h and onto extable.h
microblaze: migrate exception table users off module.h and onto extable.h
unicore32: migrate exception table users off module.h and onto extable.h
score: migrate exception table users off module.h and onto extable.h
metag: migrate exception table users off module.h and onto extable.h
arc: migrate exception table users off module.h and onto extable.h
nios2: migrate exception table users off module.h and onto extable.h
sparc: migrate exception table users onto extable.h
openrisc: migrate exception table users off module.h and onto extable.h
frv: migrate exception table users off module.h and onto extable.h
sh: migrate exception table users off module.h and onto extable.h
xtensa: migrate exception table users off module.h and onto extable.h
mn10300: migrate exception table users off module.h and onto extable.h
alpha: migrate exception table users off module.h and onto extable.h
arm: migrate exception table users off module.h and onto extable.h
m32r: migrate exception table users off module.h and onto extable.h
ia64: ensure exception table search users include extable.h
...
Miscellaneous:
- Add IRQ stacks
- Add cacheinfo support
- Add "uzImage.bin" zboot target
- Unify performance counter definitions
- Export various (mainly assembly) symbols alongside their
definitions
- Audit and remove unnecessary uses of module.h
kexec & kdump:
- Lots of improvements and fixes
- Add correct copy_regs implementations
- Add debug logging of new kernel information
Security:
- Use Makefile.postlink to insert relocations into vmlinux
- Provide plat_post_relocation hook (used for Octeon KASLR)
- Add support for tuning mmap randomisation
- Relocate DTB
microMIPS:
- A load of unwind fixes
- Add some missing .insn to fix link errors
MIPSr6:
- Fix MULTU/MADDU/MSUBU sign extension in r2 emulation
- Remove r2_emul_return and use ERETNC unconditionally on MIPSr6
- Allow pre-r6 emulation on SMP MIPSr6 kernels
Cache management:
- Treat physically indexed dcache as non-aliasing
- Add return errors to protected cache ops for KVM
- CM3: Ensure L1 & L2 cache ECC checking matches
- CM3: Indicate inclusive caches
- I6400: Treat dcache as physically indexed
Memory management:
- Ensure bootmem doesn't corrupt reserved memory
- Export some TLB exception generation functions for KVM
OF
- NULL check initial_boot_params before use in of_scan_flat_dt()
- Fix unaligned access in of_alias_scan()
SMP:
- CPS: Don't BUG if a CPU fails to start
Other fixes
- Fix longstanding 64-bit IP checksum carry bug
- Fix KERN_CONT fallout in cpu-bugs64.c and sync-r4k.c
- Update defconfigs for NF_CT_PROTO_DCCP, DPLITE,
CPU_FREQ_STAT,SCSI_DH changes
- Disable certain builtin compiler options, stack-check (whole
kernel), asynchronous-unwind-tables (VDSO).
- A bunch of build fixes from kernelci.org testing
- Various other minor cleanups & corrections
BMIPS:
- Migrate interrupts during bmips_cpu_disable
- BCM47xx: Add Luxul devices
- BCM47xx: Fix Asus WL-500W button inversion
- BCM7xxx: Add SPI device nodes
Generic (multiplatform):
- Add kexec DTB passing
- Fix big endian
- Add cpp_its_S in ksym_dep_filter to silence build warning
IP22:
- Reformat inline assembler code to modern standards
- Fix binutils 2.25 build error
IP27:
- Fix duplicate CAC_BASE definition build error
- Disable qlge driver to workaround broken compiler
Lantiq:
- Refresh defconfig and activate more drivers
- Lock DMA register access
- Fix cascading IRQ setup
- Fix build of VPE loader
- xway: Fix ethernet packet header corruption over reboot
Loongson1
- Add watchdog support
- 1B: Reduce DEFAULT_MEMSIZE to 64MB
- 1B: Change OSC clock name to match rest of kernel
- 1C: Remove ARCH_WANT_OPTIONAL_GPIOLIB
Octeon:
- Add KASLR support
- Support Octeon III USB controller
- Fix large copy_from_user corner case
- Enable devtmpfs in defconfig
Netlogic:
- Fix non-default XLR build error due to netlogic,xlp-pic code
- Fix assembler warning from smpboot.S
pic32mzda:
- Fix linker error when early printk is disabled
Pistachio:
- Add base device tree
- Add Ci40 "Marduk" device tree
Ralink:
- Support raw appended DTB
- Add missing I2C & I2S clocks
- Add missing pinmux and fix pinmux function name typo
- Add missing clk_round_rate()
- Clean up prom_init()
- MT7621: Set SoC type
- MT7621: Support highmem
TXx9:
- Modernize printing of kernel messages and resolve KERN_CONT fallout
- 7segled: use permission-specific DEVICE_ATTR variants
XilFPGA:
- Add IRQ controller and UART IRQ
- Add AXI I2C and emaclite to DT & defconfig
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Merge tag 'mips_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips
Pull MIPS updates from James Hogan:
"Here's the main MIPS pull request for 4.11.
It contains a few new features such as IRQ stacks, cacheinfo support,
and KASLR for Octeon CPUs, and a variety of smaller improvements and
fixes including devicetree additions, kexec cleanups, microMIPS stack
unwinding fixes, and a bunch of build fixes to clean up continuous
integration builds.
Its all been in linux-next for at least a couple of days, most of it
far longer.
Miscellaneous:
- Add IRQ stacks
- Add cacheinfo support
- Add "uzImage.bin" zboot target
- Unify performance counter definitions
- Export various (mainly assembly) symbols alongside their
definitions
- Audit and remove unnecessary uses of module.h
kexec & kdump:
- Lots of improvements and fixes
- Add correct copy_regs implementations
- Add debug logging of new kernel information
Security:
- Use Makefile.postlink to insert relocations into vmlinux
- Provide plat_post_relocation hook (used for Octeon KASLR)
- Add support for tuning mmap randomisation
- Relocate DTB
microMIPS:
- A load of unwind fixes
- Add some missing .insn to fix link errors
MIPSr6:
- Fix MULTU/MADDU/MSUBU sign extension in r2 emulation
- Remove r2_emul_return and use ERETNC unconditionally on MIPSr6
- Allow pre-r6 emulation on SMP MIPSr6 kernels
Cache management:
- Treat physically indexed dcache as non-aliasing
- Add return errors to protected cache ops for KVM
- CM3: Ensure L1 & L2 cache ECC checking matches
- CM3: Indicate inclusive caches
- I6400: Treat dcache as physically indexed
Memory management:
- Ensure bootmem doesn't corrupt reserved memory
- Export some TLB exception generation functions for KVM
OF:
- NULL check initial_boot_params before use in of_scan_flat_dt()
- Fix unaligned access in of_alias_scan()
SMP:
- CPS: Don't BUG if a CPU fails to start
Other fixes:
- Fix longstanding 64-bit IP checksum carry bug
- Fix KERN_CONT fallout in cpu-bugs64.c and sync-r4k.c
- Update defconfigs for NF_CT_PROTO_DCCP, DPLITE,
CPU_FREQ_STAT,SCSI_DH changes
- Disable certain builtin compiler options, stack-check (whole
kernel), asynchronous-unwind-tables (VDSO).
- A bunch of build fixes from kernelci.org testing
- Various other minor cleanups & corrections
BMIPS:
- Migrate interrupts during bmips_cpu_disable
- BCM47xx: Add Luxul devices
- BCM47xx: Fix Asus WL-500W button inversion
- BCM7xxx: Add SPI device nodes
Generic (multiplatform):
- Add kexec DTB passing
- Fix big endian
- Add cpp_its_S in ksym_dep_filter to silence build warning
IP22:
- Reformat inline assembler code to modern standards
- Fix binutils 2.25 build error
IP27:
- Fix duplicate CAC_BASE definition build error
- Disable qlge driver to workaround broken compiler
Lantiq:
- Refresh defconfig and activate more drivers
- Lock DMA register access
- Fix cascading IRQ setup
- Fix build of VPE loader
- xway: Fix ethernet packet header corruption over reboot
Loongson1
- Add watchdog support
- 1B: Reduce DEFAULT_MEMSIZE to 64MB
- 1B: Change OSC clock name to match rest of kernel
- 1C: Remove ARCH_WANT_OPTIONAL_GPIOLIB
Octeon:
- Add KASLR support
- Support Octeon III USB controller
- Fix large copy_from_user corner case
- Enable devtmpfs in defconfig
Netlogic:
- Fix non-default XLR build error due to netlogic,xlp-pic code
- Fix assembler warning from smpboot.S
pic32mzda:
- Fix linker error when early printk is disabled
Pistachio:
- Add base device tree
- Add Ci40 "Marduk" device tree
Ralink:
- Support raw appended DTB
- Add missing I2C & I2S clocks
- Add missing pinmux and fix pinmux function name typo
- Add missing clk_round_rate()
- Clean up prom_init()
- MT7621: Set SoC type
- MT7621: Support highmem
TXx9:
- Modernize printing of kernel messages and resolve KERN_CONT fallout
- 7segled: use permission-specific DEVICE_ATTR variants
XilFPGA:
- Add IRQ controller and UART IRQ
- Add AXI I2C and emaclite to DT & defconfig"
* tag 'mips_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: (148 commits)
MIPS: VDSO: Explicitly use -fno-asynchronous-unwind-tables
MIPS: BCM47XX: Fix button inversion for Asus WL-500W
MIPS: DTS: Add img directory to Makefile
MIPS: ip27: Disable qlge driver in defconfig
MIPS: pic32mzda: Fix linker error for pic32_get_pbclk()
MIPS: Lantiq: Keep ethernet enabled during boot
MIPS: OCTEON: Fix copy_from_user fault handling for large buffers
MIPS: Fix special case in 64 bit IP checksumming.
MIPS: OCTEON: Enable DEVTMPFS
MIPS: lantiq: Set physical_memsize
MIPS: sysmips: Remove duplicated include from syscall.c
Kbuild: Add cpp_its_S in ksym_dep_filter
MIPS: Audit and remove any unnecessary uses of module.h
MIPS: Unify perf counter register definitions
MIPS: Disable stack checks on MIPS kernels
MIPS: OCTEON: Platform support for OCTEON III USB controller
MIPS: Lantiq: Fix cascaded IRQ setup
MIPS: sync-r4k: Fix KERN_CONT fallout
MIPS: IRQ Stack: Fix erroneous jal to plat_irq_dispatch
MIPS: Fix distclean with Makefile.postlink
...
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Merge tag 'for-linus-4.11-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
"Xen features and fixes:
- a series from Boris Ostrovsky adding support for booting Linux as
Xen PVH guest
- a series from Juergen Gross streamlining the xenbus driver
- a series from Paul Durrant adding support for the new device model
hypercall
- several small corrections"
* tag 'for-linus-4.11-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/privcmd: add IOCTL_PRIVCMD_RESTRICT
xen/privcmd: Add IOCTL_PRIVCMD_DM_OP
xen/privcmd: return -ENOTTY for unimplemented IOCTLs
xen: optimize xenbus driver for multiple concurrent xenstore accesses
xen: modify xenstore watch event interface
xen: clean up xenbus internal headers
xenbus: Neaten xenbus_va_dev_error
xen/pvh: Use Xen's emergency_restart op for PVH guests
xen/pvh: Enable CPU hotplug
xen/pvh: PVH guests always have PV devices
xen/pvh: Initialize grant table for PVH guests
xen/pvh: Make sure we don't use ACPI_IRQ_MODEL_PIC for SCI
xen/pvh: Bootstrap PVH guest
xen/pvh: Import PVH-related Xen public interfaces
xen/x86: Remove PVH support
x86/boot/32: Convert the 32-bit pgtable setup code from assembly to C
xen/manage: correct return value check on xenbus_scanf()
x86/xen: Fix APIC id mismatch warning on Intel
xen/netback: set default upper limit of tx/rx queues to 8
xen/netfront: set default upper limit of tx/rx queues to 8
Pull audit updates from Paul Moore:
"The audit changes for v4.11 are relatively small compared to what we
did for v4.10, both in terms of size and impact.
- two patches from Steve tweak the formatting for some of the audit
records to make them more consistent with other audit records.
- three patches from Richard record the name of a module on module
load, fix the logging of sockaddr information when using
socketcall() on 32-bit systems, and add the ability to reset
audit's lost record counter.
- my lone patch just fixes an annoying style nit that I was reminded
about by one of Richard's patches.
All these patches pass our test suite"
* 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit:
audit: remove unnecessary curly braces from switch/case statements
audit: log module name on init_module
audit: log 32-bit socketcalls
audit: add feature audit_lost reset
audit: Make AUDIT_ANOM_ABEND event normalized
audit: Make AUDIT_KERNEL event conform to the specification
This reverts commit f2593cb1b2.
Paul reported that this patch with older board-2.bin ath10k initialisation
fails on Dell XPS 13:
ath10k_pci 0000:3a:00.0: failed to fetch board data for bus=pci,vendor=168c,
device=003e,subsystem-vendor=1a56,subsystem-device=1535,variant=RV_0520 from
ath10k/QCA6174/hw3.0/board-2.bin
The reason is that the older board-2.bin does not have the variant version of
the image name and ath10k does not fallback to the older naming scheme.
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=185621#c9
Fixes: f2593cb1b2 ("ath10k: Search SMBIOS for OEM board file extension")
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull security layer updates from James Morris:
"Highlights:
- major AppArmor update: policy namespaces & lots of fixes
- add /sys/kernel/security/lsm node for easy detection of loaded LSMs
- SELinux cgroupfs labeling support
- SELinux context mounts on tmpfs, ramfs, devpts within user
namespaces
- improved TPM 2.0 support"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (117 commits)
tpm: declare tpm2_get_pcr_allocation() as static
tpm: Fix expected number of response bytes of TPM1.2 PCR Extend
tpm xen: drop unneeded chip variable
tpm: fix misspelled "facilitate" in module parameter description
tpm_tis: fix the error handling of init_tis()
KEYS: Use memzero_explicit() for secret data
KEYS: Fix an error code in request_master_key()
sign-file: fix build error in sign-file.c with libressl
selinux: allow changing labels for cgroupfs
selinux: fix off-by-one in setprocattr
tpm: silence an array overflow warning
tpm: fix the type of owned field in cap_t
tpm: add securityfs support for TPM 2.0 firmware event log
tpm: enhance read_log_of() to support Physical TPM event log
tpm: enhance TPM 2.0 PCR extend to support multiple banks
tpm: implement TPM 2.0 capability to get active PCR banks
tpm: fix RC value check in tpm2_seal_trusted
tpm_tis: fix iTPM probe via probe_itpm() function
tpm: Begin the process to deprecate user_read_timer
tpm: remove tpm_read_index and tpm_write_index from tpm.h
...
tweaks.
- Add journal support to the DM raid target to close the 'write hole' on
raid 4/5/6.
- Fix dm-cache corruption, due to rounding bug, when cache exceeds 2TB.
- Add 'metadata2' feature to dm-cache to separate the dirty bitset out
from other cache metadata. This improves speed of shutting down
a large cache device (which implies writing out dirty bits).
- Fix a memory leak during dm-stats data structure destruction.
- Fix a DM multipath round-robin path selector performance regression
that was caused by less precise balancing across all paths.
- Lastly, introduce a DM core fix for a long-standing DM snapshot
deadlock that is rooted in the complexity of the device stack used in
conjunction with block core maintaining bios on current->bio_list to
manage recursion in generic_make_request(). A more comprehensive fix
to block core (and its hook in the cpu scheduler) would be wonderful
but this DM-specific fix is pragmatic considering how difficult it has
been to make progress on a generic fix.
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Merge tag 'dm-4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- Fix dm-raid transient device failure processing and other smaller
tweaks.
- Add journal support to the DM raid target to close the 'write hole'
on raid 4/5/6.
- Fix dm-cache corruption, due to rounding bug, when cache exceeds 2TB.
- Add 'metadata2' feature to dm-cache to separate the dirty bitset out
from other cache metadata. This improves speed of shutting down a
large cache device (which implies writing out dirty bits).
- Fix a memory leak during dm-stats data structure destruction.
- Fix a DM multipath round-robin path selector performance regression
that was caused by less precise balancing across all paths.
- Lastly, introduce a DM core fix for a long-standing DM snapshot
deadlock that is rooted in the complexity of the device stack used in
conjunction with block core maintaining bios on current->bio_list to
manage recursion in generic_make_request(). A more comprehensive fix
to block core (and its hook in the cpu scheduler) would be wonderful
but this DM-specific fix is pragmatic considering how difficult it
has been to make progress on a generic fix.
* tag 'dm-4.11-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (22 commits)
dm: flush queued bios when process blocks to avoid deadlock
dm round robin: revert "use percpu 'repeat_count' and 'current_path'"
dm stats: fix a leaked s->histogram_boundaries array
dm space map metadata: constify dm_space_map structures
dm cache metadata: use cursor api in blocks_are_clean_separate_dirty()
dm persistent data: add cursor skip functions to the cursor APIs
dm cache metadata: use dm_bitset_new() to create the dirty bitset in format 2
dm bitset: add dm_bitset_new()
dm cache metadata: name the cache block that couldn't be loaded
dm cache metadata: add "metadata2" feature
dm cache metadata: use bitset cursor api to load discard bitset
dm bitset: introduce cursor api
dm btree: use GFP_NOFS in dm_btree_del()
dm space map common: memcpy the disk root to ensure it's arch aligned
dm block manager: add unlikely() annotations on dm_bufio error paths
dm cache: fix corruption seen when using cache > 2TB
dm raid: cleanup awkward branching in raid_message() option processing
dm raid: use mddev rather than rdev->mddev
dm raid: use read_disk_sb() throughout
dm raid: add raid4/5/6 journaling support
...
- Add support for Marvell SD8787 Wifi/BT chip
- Improve UHS support for SDIO
- Invent MMC_CAP_3_3V_DDR and a DT binding for eMMC DDR 3.3V mode
- Detect Auto BKOPS enable bit
- Export eMMC device lifetime information through sysfs
- First take to slim down the public mmc headers to avoid abuse
- Re-factoring of the mmc block device driver to prepare for blkmq
- Cleanup code for the mmc block device driver
- Clarify and cleanup code dealing with data requests
- Cleanup some code by converting to ida_simple_ functions
- Cleanup code dealing with card quirks
- Cleanup private and public mmc header files
MMC host:
- Don't rely on public mmc headers to include non-mmc related headers
- meson: Add support for eMMC HS400 mode
- meson: Various cleanups and improvements
- omap_hsmmc: Use the proper provided busy timeout from the core
- sunxi: Enable new timings for the A64 MMC controllers
- sunxi: Improvements for clock management
- tmio: Improvements for SDIO interrupts
- mxs-mmc: Add CMD23 support
- sdhci-msm: Enable HS400 enhanced strobe mode support
- sdhci-msm: Correct HS400 tuning sequence
- sdhci-acpi: Support deferred probe
- sdhci-pci: Add support for eMMC HS200 tuning mode on AMD
- mediatek: Correct the implementation of card busy detection
- dw_mmc: Initial support for ZX mmc controller
- sh_mobile_sdhi: Enable support for eMMC HS200 mode
- sh_mmcif: Various cleanups and improvements
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Merge tag 'mmc-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Add support for Marvell SD8787 Wifi/BT chip
- Improve UHS support for SDIO
- Invent MMC_CAP_3_3V_DDR and a DT binding for eMMC DDR 3.3V mode
- Detect Auto BKOPS enable bit
- Export eMMC device lifetime information through sysfs
- First take to slim down the public mmc headers to avoid abuse
- Re-factoring of the mmc block device driver to prepare for blkmq
- Cleanup code for the mmc block device driver
- Clarify and cleanup code dealing with data requests
- Cleanup some code by converting to ida_simple_ functions
- Cleanup code dealing with card quirks
- Cleanup private and public mmc header files
MMC host:
- Don't rely on public mmc headers to include non-mmc related headers
- meson: Add support for eMMC HS400 mode
- meson: Various cleanups and improvements
- omap_hsmmc: Use the proper provided busy timeout from the core
- sunxi: Enable new timings for the A64 MMC controllers
- sunxi: Improvements for clock management
- tmio: Improvements for SDIO interrupts
- mxs-mmc: Add CMD23 support
- sdhci-msm: Enable HS400 enhanced strobe mode support
- sdhci-msm: Correct HS400 tuning sequence
- sdhci-acpi: Support deferred probe
- sdhci-pci: Add support for eMMC HS200 tuning mode on AMD
- mediatek: Correct the implementation of card busy detection
- dw_mmc: Initial support for ZX mmc controller
- sh_mobile_sdhi: Enable support for eMMC HS200 mode
- sh_mmcif: Various cleanups and improvements"
* tag 'mmc-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (145 commits)
mmc: core: add mmc prefix for blk_fixups
mmc: core: move all quirks together into quirks.h
mmc: core: improve the quirks for sdio devices
mmc: core: move some sdio IDs out of quirks file
mmc: core: change quirks.c to be a header file
mmc: sdhci-cadence: fix bit shift of read data from PHY port
mmc: Adding AUTO_BKOPS_EN bit set for Auto BKOPS support
mmc: MAN_BKOPS_EN inverse debug message logic
mmc: meson-gx: add support for HS400 mode
mmc: meson-gx: remove unneeded checks in remove
mmc: meson-gx: reduce bounce buffer size
mmc: meson-gx: set max block count and request size
mmc: meson-gx: improve interrupt handling
mmc: meson-gx: improve meson_mmc_irq_thread
mmc: meson-gx: improve meson_mmc_clk_set
mmc: meson-gx: minor improvements in meson_mmc_set_ios
mmc: meson: Assign the minimum clk rate as close to 400KHz as possible
mmc: core: start to break apart mmc_start_areq()
mmc: block: respect bool returned from blk_end_request()
mmc: block: return errorcode from mmc_sd_num_wr_blocks()
...
The existing test was only exercising native unsigned long size
get_user(). For completeness, we should check all sizes. But we
must skip some 32-bit architectures that don't implement a 64-bit
get_user().
These new tests actually uncovered a bug in ARM's 64-bit get_user()
zeroing.
Signed-off-by: Kees Cook <keescook@chromium.org>
Eugenia Emantayev