Disable the MDIO interrupt, falling back to polled mode, if the resource
size does not allow us to access the interrupt registers. All current
DT bindings use a size of 0x84, which allows access, but verifying it is
good practice.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Correct the Marvell Orion MDIO binding document to properly reflect the
cases where an interrupt is present. Augment the examples to show this.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The pre-existing write to disable interrupts on the remove path happens
whether we have an interrupt or not. While this may seem to be a good
idea, this driver is re-used in many different implementations, some
where the binding only specifies four bytes of register space. This
access causes us to access registers outside of the binding.
Make it conditional on the interrupt being present, which is the same
condition used when enabling the interrupt in the first place.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the mvmdio driver has an interrupt, it enables the "done" interrupt
after requesting its interrupt handler. However, probe failure results
in the interrupt being left enabled. Disable it on the failure path.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The switch that conditionally sets CPUPOWER_CAP_HAS_TURBO_RATIO and
CPUPOWER_CAP_IS_SNB flags is missing a break, so all cores get both
flags set and an assumed base clock of 100 MHz for turbo values.
Reported-by: GSR <gsr.bugs@infernal-iceberg.com>
Tested-by: GSR <gsr.bugs@infernal-iceberg.com>
References: https://bugs.debian.org/859978
Fixes: 8fb2e440b2 (cpupower: Show Intel turbo ratio support via ...)
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Pull turbostat utility fixes for v4.11 from Len Brown.
* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: update version number
tools/power turbostat: fix impossibly large CPU%c1 value
tools/power turbostat: turbostat.8 add missing column definitions
tools/power turbostat: update HWP dump to decimal from hex
tools/power turbostat: enable package THERM_INTERRUPT dump
tools/power turbostat: show missing Core and GFX power on SKL and KBL
tools/power turbostat: bugfix: GFXMHz column not changing
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Merge tag 'drm-fixes-for-v4.11-rc7' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"i915, gvt, nouveau, udl and etnaviv fixes.
I was away the end of last week, so some of these would have been in
rc6, and it's Easter from tomorrow, so I decided I better dequeue what
I have now.
The nouveau changes, just add a hw enable for GP107 display (like a
pci id addition really), and fix a couple of regressions. i915 has
some more gvt fixes, along with a few run of the mill ones, the rcu
one seems like a few people have hit it.
Otherwise a small udl and small etnaviv fix"
* tag 'drm-fixes-for-v4.11-rc7' of git://people.freedesktop.org/~airlied/linux: (22 commits)
drm/etnaviv: fix missing unlock on error in etnaviv_gpu_submit()
drm/udl: Fix unaligned memory access in udl_render_hline
drm/i915: Don't call synchronize_rcu_expedited under struct_mutex
drm/i915: Suspend GuC prior to GPU Reset during GEM suspend
drm/nouveau: initial support (display-only) for GP107
drm/nouveau/kms/nv50: fix double dma_fence_put() when destroying plane state
drm/nouveau/kms/nv50: fix setting of HeadSetRasterVertBlankDmi method
drm/nouveau/mmu/nv4a: use nv04 mmu rather than the nv44 one
drm/nouveau/mpeg: mthd returns true on success now
drm/i915/gvt: set the correct default value of CTX STATUS PTR
drm/i915/gvt: Fix firmware loading interface for GVT-g golden HW state
drm/i915: Use a dummy timeline name for a signaled fence
drm/i915: Ironlake do_idle_maps w/a may be called w/o struct_mutex
drm/i915/gvt: remove the redundant info NULL check
drm/i915/gvt: adjust mem size for low resolution type
drm/i915: Avoid lock dropping between rescheduling
drm/i915/gvt: exclude cfg space from failsafe mode
drm/i915/gvt: Activate/de-activate vGPU in mdev ops.
drm/i915/execlists: Wrap tail pointer after reset tweaking
drm/i915/perf: remove user triggerable warn
...
This contain a fix for the atomic update support recently added to the
Rockchip driver where the clock reference count would become unbalanced
and result in the clock feeding the PWM to always be disabled.
Another fix to the Intel LPSS driver that adds an update bit quirk
required for a specific configuration.
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Merge tag 'pwm/for-4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fixes from Thierry Reding:
"This contain a fix for the atomic update support recently added to
the Rockchip driver where the clock reference count would become
unbalanced and result in the clock feeding the PWM to always be
disabled.
Another fix to the Intel LPSS driver that adds an update bit quirk
required for a specific configuration"
* tag 'pwm/for-4.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: rockchip: State of PWM clock should synchronize with PWM enabled state
pwm: lpss: Set enable-bit before waiting for update-bit to go low
pwm: lpss: Split Tangier configuration
Reserving a runtime region results in splitting the EFI memory
descriptors for the runtime region. This results in runtime region
descriptors with bogus memory mappings, leading to interesting crashes
like the following during a kexec:
general protection fault: 0000 [#1] SMP
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.11.0-rc1 #53
Hardware name: Wiwynn Leopard-Orv2/Leopard-DDR BW, BIOS LBM05 09/30/2016
RIP: 0010:virt_efi_set_variable()
...
Call Trace:
efi_delete_dummy_variable()
efi_enter_virtual_mode()
start_kernel()
? set_init_arg()
x86_64_start_reservations()
x86_64_start_kernel()
start_cpu()
...
Kernel panic - not syncing: Fatal exception
Runtime regions will not be freed and do not need to be reserved, so
skip the memmap modification in this case.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: <stable@vger.kernel.org> # v4.9+
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Dave Young <dyoung@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Jones <pjones@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Fixes: 8e80632fb2 ("efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()")
Link: http://lkml.kernel.org/r/20170412152719.9779-2-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Commit 10c7e20b2f (ACPI / scan: fix enumeration (visited) flags for
bus rescans) attempted to fix a problem with ACPI-based enumerateion
of I2C/SPI devices, but it forgot to ensure that the visited flag
will be set for all of the other enumerated devices, so fix that.
Fixes: 10c7e20b2f (ACPI / scan: fix enumeration (visited) flags for bus rescans)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=194885
Reported-and-tested-by: Kevin Locke <kevin@kevinlocke.name>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: 4.8+ <stable@vger.kernel.org> # 4.8+
There is a report that after commit 27622b061e ("cpufreq: Convert
to hotplug state machine"), the normal CPU offline/online cycle
fails on some platforms.
According to the ftrace result, this problem was triggered on
platforms using acpi-cpufreq as the default cpufreq driver,
and due to the lack of some ACPI freq method (eg. _PCT),
cpufreq_online() failed and returned a negative value, so the CPU
hotplug state machine rolled back the CPU online process. Actually,
from the user's perspective, the failure of cpufreq_online() should
not prevent that CPU from being brought up, although cpufreq might
not work on that CPU.
BTW, during system startup cpufreq_online() is not invoked via CPU
online but by the cpufreq device creation process, so the APs can be
brought up even though cpufreq_online() fails in that stage.
This patch ignores the return value of cpufreq_online/offline() and
lets the cpufreq framework deal with the failure. cpufreq_online()
itself will do a proper rollback in that case and if _PCT is missing,
the ACPI cpufreq driver will print a warning if the corresponding
debug options have been enabled.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=194581
Fixes: 27622b061e ("cpufreq: Convert to hotplug state machine")
Reported-and-tested-by: Tomasz Maciej Nowak <tmn505@gmail.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 4.9+ <stable@vger.kernel.org> # 4.9+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Most CPUs do not have a hardware c1 counter,
and so turbostat derives c1 residency:
c1 = TSC - MPERF - other_core_cstate_counters
As it is not possible to atomically read these coutners,
measurement jitter can case this calcuation to "go negative"
when very close to 0. Turbostat detect that case and
simply prints c1 = 0.00%
But that check neglected to account for systems where the TSC
crystal clock domain and the MPERF BCLK domain are differ by
a small amount. That allowed very small negative c1 numbers
to escape this check and be printed as huge positve numbers.
This code begs for a bit of cleanup, but this patch
is the minimal change to fix the issue.
Signed-off-by: Len Brown <len.brown@intel.com>
Add GFX%rc6 and GFXMHz to the column descriptions section
of the turbostat man page.
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Len Brown <len.brown@intel.com>
cpu0: MSR_IA32_TEMPERATURE_TARGET: 0x00641400 (100 C)
cpu0: MSR_IA32_PACKAGE_THERM_STATUS: 0x884b0800 (25 C)
cpu0: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x00000003 (100 C, 100 C)
Enable the same per-core output, but hide it behind --debug
because it is too verbose on big systems.
Signed-off-by: Len Brown <len.brown@intel.com>
While the current SDM is silent on the matter, the Core and GFX
RAPL power meters on SKL and KBL appear to work -- so show them.
Reported-by: Yaroslav Isakov <yaroslav.isakov@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
GP107 modesetting support (just recognising the chipset, no other changes until 4.12)
a couple of regression fixes, one of them a rather serious double-free issue that appeared in 4.10.
* 'linux-4.11' of git://github.com/skeggsb/linux:
drm/nouveau: initial support (display-only) for GP107
drm/nouveau/kms/nv50: fix double dma_fence_put() when destroying plane state
drm/nouveau/kms/nv50: fix setting of HeadSetRasterVertBlankDmi method
drm/nouveau/mmu/nv4a: use nv04 mmu rather than the nv44 one
drm/nouveau/mpeg: mthd returns true on success now
drm/i915 fixes for v4.11-rc7
one rcu related fix, and a few GVT fixes.
* tag 'drm-intel-fixes-2017-04-12' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915: Don't call synchronize_rcu_expedited under struct_mutex
drm/i915: Suspend GuC prior to GPU Reset during GEM suspend
drm/i915/gvt: set the correct default value of CTX STATUS PTR
drm/i915/gvt: Fix firmware loading interface for GVT-g golden HW state
drm/i915: Use a dummy timeline name for a signaled fence
drm/i915: Ironlake do_idle_maps w/a may be called w/o struct_mutex
drm/i915/gvt: remove the redundant info NULL check
drm/i915/gvt: adjust mem size for low resolution type
drm/i915: Avoid lock dropping between rescheduling
drm/i915/gvt: exclude cfg space from failsafe mode
drm/i915/gvt: Activate/de-activate vGPU in mdev ops.
drm/i915/execlists: Wrap tail pointer after reset tweaking
drm/i915/perf: remove user triggerable warn
drm/i915/perf: destroy stream on sample_flags mismatch
drm/i915: Align "unfenced" tiled access on gen2, early gen3
Under CONFIG_STRICT_DEVMEM, reading System RAM through /dev/mem is
disallowed. However, on x86, the first 1MB was always allowed for BIOS
and similar things, regardless of it actually being System RAM. It was
possible for heap to end up getting allocated in low 1MB RAM, and then
read by things like x86info or dd, which would trip hardened usercopy:
usercopy: kernel memory exposure attempt detected from ffff880000090000 (dma-kmalloc-256) (4096 bytes)
This changes the x86 exception for the low 1MB by reading back zeros for
System RAM areas instead of blindly allowing them. More work is needed to
extend this to mmap, but currently mmap doesn't go through usercopy, so
hardened usercopy won't Oops the kernel.
Reported-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Tested-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
This field is never big enough to warrant 16-bitness.
8-bit accesses enjoy shorted encoding on i386/x86_64 than 16-bit
accesses:
add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-10 (-10)
function old new delta
loopback_setup 169 164 -5
ether_setup 148 143 -5
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A driver may use build_skb() for received packets.
These SKBs then have a head_frag.
Since commit d7e8883cfc ("net: make GRO aware of
skb->head_frag"), GRO may build frag_list SKBs out of
head_frag received SKBs.
In such a case, the chained SKBs end up with a head_frag.
Commit 07b26c9454 ("gso: Support partial splitting at
the frag_list pointer") adds partial segmentation of frag_list
SKB chains into individual SKBs.
However, this is not done if the chained SKBs have any
linear part, because the device may not be able to DMA
the private linear buffer.
A chained frag_list SKB with head_frag is wrongfully
detected in this case as having a private linear part
and thus falls back to software GSO, while in fact the
linear part is backed by a DMA page just like any other frag.
This causes low performance when forwarding those packets
that were built with build_skb()
Allow partial segmentation at the frag_list pointer for
chained SKBs with head_frag.
Note that such SKBs can only be created by GRO, when applied
to received packets with head_frag.
Also note that this change only affects the data path that
performs the partial segmentation at frag_list pointer, and
not any of the other more common data paths.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
addrconf_ifdown() removes elements from the idev->addr_list without
holding the idev->lock.
If this happens while the loop in __ipv6_dev_get_saddr() is handling the
same element, that function ends up in an infinite loop:
NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [test:1719]
Call Trace:
ipv6_get_saddr_eval+0x13c/0x3a0
__ipv6_dev_get_saddr+0xe4/0x1f0
ipv6_dev_get_saddr+0x1b4/0x204
ip6_dst_lookup_tail+0xcc/0x27c
ip6_dst_lookup_flow+0x38/0x80
udpv6_sendmsg+0x708/0xba8
sock_sendmsg+0x18/0x30
SyS_sendto+0xb8/0xf8
syscall_common+0x34/0x58
Fixes: 6a923934c3 (Revert "ipv6: Revert optional address flusing on ifdown.")
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the missing unlock before return from function etnaviv_gpu_submit()
in the error handling case.
lst: fixed label name.
Fixes: f3cd1b064f ("drm/etnaviv: (re-)protect fence allocation with
GPU mutex")
CC: stable@vger.kernel.org #4.9+
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Guillaume Nault says:
====================
l2tp: constify l2tp_session_get*() and l2tp_tunnel_find*()
Declare parameters of these functions as "const" where possible.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
l2tp_tunnel_find() and l2tp_tunnel_find_nth() don't modify "net".
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make l2tp_pernet()'s parameter constant, so that l2tp_session_get*() can
declare their "net" variable as "const".
Also constify "ifname" in l2tp_session_get_by_ifname().
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since dev_change_xdp_fd() is only used in rtnetlink, which must
be built-in, there's no reason to export dev_change_xdp_fd().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Benjamin Herrenschmidt says:
====================
ftgmac100: Rework batch 4 - Misc
This is v2 of the fourth batch of updates to the ftgmac100 driver.
This is a bunch of misc cleanups and fixes, such as properly
disabling HW checksum generation on AST2400 where it's known
to be broken and some chip init updates.
This also adds the ability to turn HW checksum on/off and
configure the ring sizes via ethtool.
v2 Fixes patch 1/10 (NETIF_F_HW_CSUM conversion)
The next (and last) batch will add a few more "features" such
as netpoll, multicast/promist, vlan offload...
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
I haven't seen any improvement above that size on the machines
I've tested with.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We set an arbitrary max at 1024 since we pre-allocate the actual
descriptor arrays and skb arrays to the full size to keep the
code a bit simpler and avoid allocation failures in the reset
task.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Clear stale interrupts on entry, configure FIFO sizes, set FIFO
thresholds, configure interrupt mitigation.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The helpers just take space but don't provide much value. Simple
one line comments are more explanatory.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
To remove more confusion. This function is about obtaining the
initial MAC address at driver probe time.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
To avoid confusion with the ndo callback and generally be
clearer about the purpose of that function
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
So features can be turned on/off via ethtool
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We found out that HW checksum generation only works from AST2500
onward. This disables it on AST2400 and removes the "no-hw-checksum"
properties in the device-trees. The problem we had wasn't related
to NC-SI.
Also rework the logic testing for that property so it can be used
to disable HW checksum generation and checking regardless of whether
NC-SI is used or not in case other variants out there need this.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We test for aspeed chips to handle a couple of special cases,
but we do that by checking the machine type which isn't right.
Instead check the actual device compatible property. This also
updates the dtsi files for the aspeed SoC to match.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The documentation describes NETIF_F_IP_CSUM as deprecated
so let's switch to NETIF_F_HW_CSUM and use the helper to
handle unhandled protocols.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull audit fix from Paul Moore:
"One more small audit fix, this should be the last for v4.11.
Seth Forshee noticed a problem where the audit retry queue wasn't
being flushed properly when audit was enabled and the audit daemon
wasn't running; this patches fixes the problem (see the commit
description for more details on the change).
Both Seth and I have tested this and everything looks good"
* 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit:
audit: make sure we don't let the retry queue grow without bounds
Pull SCSI target fixes from Nicholas Bellinger:
"There has been work in a number of different areas over the last
weeks, including:
- Fix target-core-user (TCMU) back-end bi-directional handling (Xiubo
Li + Mike Christie + Ilias Tsitsimpis)
- Fix iscsi-target TMR reference leak during session shutdown (Rob
Millner + Chu Yuan Lin)
- Fix target_core_fabric_configfs.c race between LUN shutdown +
mapped LUN creation (James Shen)
- Fix target-core unknown fabric callback queue-full errors (Potnuri
Bharat Teja)
- Fix iscsi-target + iser-target queue-full handling in order to
support iw_cxgb4 RNICs. (Potnuri Bharat Teja + Sagi Grimberg)
- Fix ALUA transition state race between multiple initiator (Mike
Christie)
- Drop work-around for legacy GlobalSAN initiator, to allow QLogic
57840S + 579xx offload HBAs to work out-of-the-box in MSFT
environments. (Martin Svec + Arun Easi)
Note that a number are CC'ed for stable, and although the queue-full
bug-fixes required for iser-target to work with iw_cxgb4 aren't CC'ed
here, they'll be posted to Greg-KH separately"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
tcmu: Skip Data-Out blocks before gathering Data-In buffer for BIDI case
iscsi-target: Drop work-around for legacy GlobalSAN initiator
target: Fix ALUA transition state race between multiple initiators
iser-target: avoid posting a recv buffer twice
iser-target: Fix queue-full response handling
iscsi-target: Propigate queue_data_in + queue_status errors
target: Fix unknown fabric callback queue-full errors
tcmu: Fix wrongly calculating of the base_command_size
tcmu: Fix possible overwrite of t_data_sg's last iov[]
target: Avoid mappedlun symlink creation during lun shutdown
iscsi-target: Fix TMR reference leak during session shutdown
usb: gadget: Correct usb EP argument for BOT status request
tcmu: Allow cmd_time_out to be set to zero (disabled)
Pull cgroup fixes from Tejun Heo:
"This contains fixes for two long standing subtle bugs:
- kthread_bind() on a new kthread binds it to specific CPUs and
prevents userland from messing with the affinity or cgroup
membership. Unfortunately, for cgroup membership, there's a window
between kthread creation and kthread_bind*() invocation where the
kthread can be moved into a non-root cgroup by userland.
Depending on what controllers are in effect, this can assign the
kthread unexpected attributes. For example, in the reported case,
workqueue workers ended up in a non-root cpuset cgroups and had
their CPU affinities overridden. This broke workqueue invariants
and led to workqueue stalls.
Fixed by closing the window between kthread creation and
kthread_bind() as suggested by Oleg.
- There was a bug in cgroup mount path which could allow two
competing mount attempts to attach the same cgroup_root to two
different superblocks.
This was caused by mishandling return value from kernfs_pin_sb().
Fixed"
* 'for-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: avoid attaching a cgroup root to two different superblocks
cgroup, kthread: close race window where new kthreads can be migrated to non-root cgroups
Pull libata fixes from Tejun Heo:
"Two libata fixes.
One to disable hotplug on VT6420 which never worked properly. The
other reverts an earlier patch which disabled the second port on
SB600/700. There were some confusions due to earlier datasheets which
incorrectly indicated that the second port is not implemented on both
SB600 and 700"
* 'for-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
sata_via: Enable hotplug only on VT6421
Revert "pata_atiixp: Don't use unconnected secondary port on SB600/SB700"
Pull HID fixes from Jiri Kosina:
- revert of a commit that switched all Synaptics touchpads over to be
driven by hid-rmi. It turns out that this caused several user-visible
regressions, and therefore we revert back to the original state
before all the reported issues have been fixed.
- a new uclogic device ID addition, from Xiaolei Yu.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
Revert "HID: rmi: Handle all Synaptics touchpads using hid-rmi"
HID: uclogic: add support for Ugee Tablet EX07S
Ursula Braun says:
====================
net/smc: patches for net-next
here are some patches for net/smc. Most important are
improvements for socket closing.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
smc specifies IB_SEND_INLINE for IB_WR_SEND ib_post_send calls, but
provides a mapped buffer to be sent. This is inconsistent, since
IB_SEND_INLINE works without mapped buffer. Problem has not been
detected in the past, because tests had been limited to Connect X3 cards
from Mellanox, whose mlx4 driver just ignored the IB_SEND_INLINE flag.
For now, the IB_SEND_INLINE flag is removed.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure sockets never accepted are removed cleanly.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Russell King
Ben Hutchings
Rafael J. Wysocki
Linus Torvalds
Omar Sandoval
Chen Yu
Len Brown
Doug Smythies
Dave Airlie
Kees Cook
Alexey Dobriyan
Ilan Tayari
Rabin Vincent
Wei Yongjun
David S. Miller
Guillaume Nault
Johannes Berg
Benjamin Herrenschmidt
Ursula Braun