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Pull nios2 update from Ley Foon Tan:
"Check number of timer instances"
* tag 'nios2-v4.2' of git://git.rocketboards.org/linux-socfpga-next:
nios2: check number of timer instances
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull more hwmon updates from Jean Delvare.
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (w83627ehf) Use swap() in w82627ehf_swap_tempreg()
hwmon: Document which I2C addresses can be probed
hwmon: (w83792d) Additional PWM outputs support
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Pull block fixes from Jens Axboe:
"Mainly sending this off now for the writeback fixes, since they fix a
real regression introduced with the cgroup writeback changes. The
NVMe fix could wait for next pull for this series, but it's simple
enough that we might as well include it.
This contains:
- two cgroup writeback fixes from Tejun, fixing a user reported issue
with luks crypt devices hanging when being closed.
- NVMe error cleanup fix from Jon Derrick, fixing a case where we'd
attempt to free an unregistered IRQ"
* 'for-linus' of git://git.kernel.dk/linux-block:
NVMe: Fix irq freeing when queue_request_irq fails
writeback: don't drain bdi_writeback_congested on bdi destruction
writeback: don't embed root bdi_writeback_congested in bdi_writeback
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fix from Tomi Valkeinen:
"Fix display regression on TI AM4xxx boards"
* tag 'fbdev-fixes-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
OMAPDSS: fix probing if rfbi device is enabled
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC fix from Borislav Petkov:
"A build fix for octeon_edac from Aaro Koskinen"
* tag 'edac_urgent_for_4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC, octeon: Fix broken build due to model helper renames
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Added Hyper-V crash msrs values - HV_X64_MSR_CRASH*.
Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Peter Hornyack <peterhornyack@google.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Gleb Natapov <gleb@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit 609e36d372ad ("KVM: x86: pass host_initiated to functions that
read MSRs") modified kvm_get_msr_common function to use msr_info->data
instead of data but missed one occurrence. Replace it and remove the
unused local variable.
Fixes: 609e36d372ad ("KVM: x86: pass host_initiated to functions that
read MSRs")
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Eric noticed problems with vhost-scsi and virtio-ccw: vhost-scsi
complained about overwriting values in the config space, which
was triggered by a broken implementation of virtio-ccw's config
get/set routines. It was probably sheer luck that we did not hit
this before.
When writing a value to the config space, the WRITE_CONF ccw will
always write from the beginning of the config space up to and
including the value to be set. If the config space up to the value
has not yet been retrieved from the device, however, we'll end up
overwriting values. Keep track of the known config space and update
if needed to avoid this.
Moreover, READ_CONF will only read the number of bytes it has been
instructed to retrieve, so we must not copy more than that to the
buffer, or we might overwrite trailing values.
Reported-by: Eric Farman <farman@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Eric Farman <farman@linux.vnet.ibm.com>
Tested-by: Eric Farman <farman@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Memory-mapped LVT0 register already contains the new value when APICv
traps so we can't directly detect a change.
Memorize a bit we are interested in to enable legacy NMI watchdog.
Suggested-by: Yoshida Nobuo <yoshida.nb@ncos.nec.co.jp>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Legacy NMI watchdog didn't work after migration/resume, because
vapics_in_nmi_mode was left at 0.
Cc: stable@vger.kernel.org
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Writes were a bit racy, but hard to turn into a bug at the same time.
(Particularly because modern Linux doesn't use this feature anymore.)
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
[Actually the next patch makes it much, much easier to trigger the race
so I'm including this one for stable@ as well. - Paolo]
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit 1cde2930e154 ("sched/preempt: Add static_key() to preempt_notifiers")
had two problems. First, the preempt-notifier API needs to sleep with the
addition of the static_key, we do however need to hold off preemption
while modifying the preempt notifier list, otherwise a preemption could
observe an inconsistent list state. KVM correctly registers and
unregisters preempt notifiers with preemption disabled, so the sleep
caused dmesg splats.
Second, KVM registers and unregisters preemption notifiers very often
(in vcpu_load/vcpu_put). With a single uniprocessor guest the static key
would move between 0 and 1 continuously, hitting the slow path on every
userspace exit.
To fix this, wrap the static_key inc/dec in a new API, and call it from
KVM.
Fixes: 1cde2930e154 ("sched/preempt: Add static_key() to preempt_notifiers")
Reported-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Reported-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Part of commit 49aa284fe64c4c1 ("cxgb4: Add support for devlog")
change introduced a real bug where the Device Log Sequence Numbers are
no longer being converted from firmware Big-Endian to local CPU-Endian
format.
This patch moves all of the translation into the devlog_show() routine.
The only endianness code now in devlog_open() is the small loop to find the
earliest (lowest Sequence Number) Device Log entry in the circular buffer.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before commit daad151263cf ("ipv6: Make ipv6_is_mld() inline and use it
from ip6_mc_input().") MLD packets were only processed locally. After the
change, a copy of MLD packet goes through ip6_mr_input, causing
MRT6MSG_NOCACHE message to be generated to user space.
Make MLD packet only processed locally.
Fixes: daad151263cf ("ipv6: Make ipv6_is_mld() inline and use it from ip6_mc_input().")
Signed-off-by: Hermin Anggawijaya <hermin.anggawijaya@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The module_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The module_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The free_percpu() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Convert the ioremap*() preprocessor macros to real functions, moving
them out of line. This allows us to kill off __arm_ioremap(), and
__arm_iounmap() helpers, and remove __arm_ioremap_pfn_caller() from
global view.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Commit 86dca36e6ba introduced ratelimited usage for
'unhandled_signal' messages.
The commit checks the ratelimit irrespective of whether
the signal is handled or not, which is wrong and leads
to false reports like the below in dmesg :
__do_user_fault: 127 callbacks suppressed
Do the ratelimit check only if the signal is unhandled.
Fixes: 86dca36e6ba0 ("arm64: use private ratelimit state along with show_unhandled_signals")
Cc: Vladimir Murzin <Vladimir.Murzin@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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ioremap_wt() was added by aliasing it to ioremap_nocache(), which is a
device mapping. Device mappings do not allow unaligned accesses, but
it appears that GCC is able to inline its own memcpy() implementation
which may use such accesses. The only user of this is pmem, which
uses memcpy() on the region.
Therefore, this is unsafe. We must implement ioremap_wt() correctly
for ARM, or not at all.
This patch adds a more correct implementation by re-using ioremap_wc()
to provide a normal-memory non-cacheable mapping.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add documentation of the ARM specific behaviour of the mappings setup by
the ioremap() series of macros.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Use kernel.h macro definition.
Thanks to Julia Lawall for Coccinelle scripting support.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
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Add an item to the checklist when submitting a new hwmon driver: only
some I2C addresses can be probed, others should not for safety
reasons.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
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Add pwm[4-7] and the associated pwm[4-7]_mode attributes.
Signed-off-by: Roger Lucas <vt8231@hiddenengine.co.uk>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
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Wolfram Sang reported an unannotated irqs-off warning from lockdep:
WARNING: CPU: 0 PID: 282 at kernel/locking/lockdep.c:3557 check_flags+0x84/0x1f4()
DEBUG_LOCKS_WARN_ON(current->hardirqs_enabled)
CPU: 0 PID: 282 Comm: rcS Tainted: G W 4.1.0-00002-g5b076054611833 #179
Hardware name: Generic Emma Mobile EV2 (Flattened Device Tree)
Backtrace:
[<c0012c94>] (dump_backtrace) from [<c0012e3c>] (show_stack+0x18/0x1c)
r6:c02dcc67 r5:00000009 r4:00000000 r3:00400000
[<c0012e24>] (show_stack) from [<c02510c8>] (dump_stack+0x20/0x28)
[<c02510a8>] (dump_stack) from [<c0022c44>] (warn_slowpath_common+0x8c/0xb4)
[<c0022bb8>] (warn_slowpath_common) from [<c0022cd8>] (warn_slowpath_fmt+0x38/0x40)
r8:c780f470 r7:00000000 r6:00000000 r5:c03b0570 r4:c0b7ec04
[<c0022ca4>] (warn_slowpath_fmt) from [<c004cd38>] (check_flags+0x84/0x1f4)
r3:c02e13d8 r2:c02dceaa
[<c004ccb4>] (check_flags) from [<c0050e50>] (lock_acquire+0x4c/0xbc)
r5:00000000 r4:60000193
[<c0050e04>] (lock_acquire) from [<c0256000>] (_raw_spin_lock+0x34/0x44)
r9:000a8d5c r8:00000001 r7:c7806000 r6:c780f460 r5:c03b06a0 r4:c780f460
[<c0255fcc>] (_raw_spin_lock) from [<c005a8cc>] (handle_fasteoi_irq+0x20/0x11c)
r4:c780f400
[<c005a8ac>] (handle_fasteoi_irq) from [<c0057a4c>] (generic_handle_irq+0x28/0x38)
r6:00000000 r5:c03b038c r4:00000012 r3:c005a8ac
[<c0057a24>] (generic_handle_irq) from [<c0057ae4>] (__handle_domain_irq+0x88/0xa8)
r4:00000000 r3:00000026
[<c0057a5c>] (__handle_domain_irq) from [<c000a3cc>] (gic_handle_irq+0x40/0x58)
r8:10c5347d r7:10c5347d r6:c35b1fb0 r5:c03a6304 r4:c8802000 r3:c35b1fb0
[<c000a38c>] (gic_handle_irq) from [<c0013bc8>] (__irq_usr+0x48/0x60)
Exception stack(0xc35b1fb0 to 0xc35b1ff8)
1fa0: 00000061 00000000 000ab736 00000066
1fc0: 00000061 000aa1f0 000a8d54 000a8d54 000a8d88 000a8d5c 000a8cc8 000a8d68
1fe0: 72727272 bef8a528 000398c0 00031334 20000010 ffffffff
r6:ffffffff r5:20000010 r4:00031334 r3:00000061
---[ end trace cb88537fdc8fa202 ]---
possible reason: unannotated irqs-off.
irq event stamp: 769
hardirqs last enabled at (769): [<c000f82c>] ret_fast_syscall+0x2c/0x54
hardirqs last disabled at (768): [<c000f80c>] ret_fast_syscall+0xc/0x54
softirqs last enabled at (0): [<c0020ec4>] copy_process.part.65+0x2e8/0x11dc
softirqs last disabled at (0): [< (null)>] (null)
His kernel configuration had:
CONFIG_PROVE_LOCKING=y
CONFIG_TRACE_IRQFLAGS=y
but no IRQSOFF_TRACER, which means entry from userspace can result in the
kernel seeing IRQs off without being notified of that change of state.
Change the IRQSOFF ifdef in the usr_entry macro to TRACE_IRQFLAGS instead.
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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It is normal that firmware presents GICC entry or entries (processors)
with disabled flag in ACPI MADT, taking a system of 16 cpus for example,
ACPI firmware may present 8 ebabled first with another 8 cpus disabled
in MADT, the disabled cpus can be hot-added later.
Firmware may also present more cpus than the hardware actually has, but
disabled the unused ones, and easily enable it when the hardware has such
cpus to make the firmware code scalable.
So that's not an error for disabled cpus in MADT, we can switch pr_err()
to pr_debug() to make the boot a little quieter by default.
Since hwid for disabled cpus often are invalid, and we check invalid hwid
first in the code, for use case that hot add cpus later will be filtered
out and will not be counted in possible cups, so move this check before
the hwid one to prepare the code to count for disabeld cpus when cpu
hot-plug is introduced.
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: Al Stone <ahs3@redhat.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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If the host toolchain is not glibc based then the arm kernel build
fails with
arch/arm/vdso/vdsomunge.c:53:19: fatal error: error.h: No such file or directory
error.h is a glibc only header (ie not available in musl, newlib and
bsd libcs). Changed the error reporting to standard conforming code
to avoid depending on specific C implementations.
Signed-off-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Fixes: 8512287a8165 ("ARM: 8330/1: add VDSO user-space code")
Cc: stable@vger.kernel.org
Signed-off-by: Nathan Lynch <nathan_lynch@mentor.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPICA updates from Rafael Wysocki:
"Additional ACPICA material for v4.2-rc1
This will update the ACPICA code in the kernel to upstream revision
20150619 (a bug-fix release mostly including stable-candidate fixes)
and restore an earlier ACPICA commit that had to be reverted due to a
regression introduced by it (the regression is addressed by
blacklisting the only known system affected by it to date).
The only new feature added by this update is the support for
overriding objects in the ACPI namespace and a new ACPI table that can
be used for that called the Override System Definition Table (OSDT).
That should allow us to "patch" the ACPI namespace built from
incomplete or incorrect ACPI System Definition tables (DSDT, SSDT)
during system startup without the need to provide replacements for all
of those tables in the future.
Specifics:
- Fix system resume problems related to 32-bit and 64-bit versions of
the Firmware ACPI Control Structure (FACS) in the firmare (Lv
Zheng)
- Fix double initialization of the FACS (Lv Zheng)
- Add _CLS object processing code to ACPICA (Suravee Suthikulpanit)
- Add support for the (currently missing) new GIC version field in
the Multiple APIC Description Table (MADT) (Hanjun Guo)
- Add support for overriding objects in the ACPI namespace to ACPICA
and OSDT support (Lv Zheng, Bob Moore, Zhang Rui)
- Updates related to the TCPA and TPM2 ACPI tables (Bob Moore)
- Restore the commit modifying _REV to always return "2" (as required
by ACPI 6) and add a blacklisting mechanism for systems that may be
affected by that change (Rafael J Wysocki)
- Assorted fixes and cleanups (Bob Moore, Lv Zheng, Sascha Wildner)"
* tag 'acpica-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (28 commits)
Revert 'Revert "ACPICA: Permanently set _REV to the value '2'."'
ACPI / init: Make it possible to override _REV
ACPICA: Update version to 20150619
ACPICA: Comment update, no functional change
ACPICA: Update TPM2 ACPI table
ACPICA: Update definitions for the TCPA and TPM2 ACPI tables
ACPICA: Split C library prototypes to new header
ACPICA: De-macroize calls to standard C library functions
ACPI / acpidump: Update acpidump manual
ACPICA: acpidump: Convert the default behavior to dump from /sys/firmware/acpi/tables
ACPICA: acpidump: Allow customized tables to be dumped without accessing /dev/mem
ACPICA: Cleanup output for the ASL Debug object
ACPICA: Update for acpi_install_table memory types
ACPICA: Namespace: Change namespace override to avoid node deletion
ACPICA: Namespace: Add support of OSDT table
ACPICA: Namespace: Add support to allow overriding objects
ACPICA: ACPI 6.0: Add values for MADT GIC version field
ACPICA: Utilities: Add _CLS processing
ACPICA: Add dragon_fly support to unix file mapping file
ACPICA: EFI: Add EFI interface definitions to eliminate dependency of GNU EFI
...
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It's a bug in our Makefile rules, make it show what the changing
certificate list was, and make it a warning so that people actually see
it.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Revert commit ff284f37fc0e (Revert "ACPICA: Permanently set _REV to
the value '2'.) as the regression introduced by commit b1ef29725865
reverted by it is now addressed via a blacklist entry.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The platform firmware on some systems expects Linux to return "5" as
the supported ACPI revision which makes it expose system configuration
information in a special way.
For example, based on what ACPI exports as the supported revision,
Dell XPS 13 (2015) configures its audio device to either work in HDA
mode or in I2S mode, where the former is supposed to be used on Linux
until the latter is fully supported (in the kernel as well as in user
space).
Since ACPI 6 mandates that _REV should return "2" if ACPI 2 or later
is supported by the OS, a subsequent change will make that happen, so
make it possible to override that on systems where "5" is expected to
be returned for Linux to work correctly one them (such as the Dell
machine mentioned above).
Original-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek:
"Just a few kbuild core commits this time:
- kallsyms fix for CONFIG_XIP_KERNEL
- bashisms in scripts/link-vmlinux.sh fixed
- workaround to make DEBUG_INFO_REDUCED more useful yet still space
efficient
- clang is not wrongly detected when cross-compiling"
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: include core debug info when DEBUG_INFO_REDUCED
scripts: link-vmlinux: Don't pass page offset to kallsyms if XIP Kernel
scripts: fix link-vmlinux.sh bash-ism
Makefile: Fix detection of clang when cross-compiling
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig updates from Michal Marek:
- kconfig conditions can use usual less/greater than comparisons
- kconfig warns about stray characters in Kconfig files
- bogus expression simplification removed
- some minor fixes
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kconfig: re-generate *.c_shipped files after previous change
kconfig: allow use of relations other than (in)equality
kconfig: don't silently ignore unhandled characters
kconfig: Wrap long "make help" text lines
scripts/kconfig/Makefile: Cosmetic fixes
scripts/kconfig/Makefile: Fix spelling of Qt
Kconfig: Remove bad inference rules expr_eliminate_dups2()
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Two patches headed for stable:
- Fix broken output scaling in mcp3021 driver
- Fix attribute visibility in nct7802 driver
One regression:
- Fix name attribute in dell-smm-hwmon driver"
* tag 'hwmon-for-linus-v4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (mcp3021) Fix broken output scaling
hwmon: (nct7802) fix visibility of temp3
hwmon: (dell-smm-hwmon) Use a valid name attribute
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull ia64 boot noise reduction fix from Tony Luck:
"Remove some boot noise from a now-invalid check that pages are
reserved"
* tag 'please-pull-put_kernel_page' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
[IA64] Drop debug test/printk that some special pages are marked reserved
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late fixes and dependencies from Kevin Hilman:
"This is a collection of a few late fixes and other misc stuff that had
dependencies on things being merged from other trees.
Other than the fixes, the primary feature being added is the
conversion of some OMAP drivers to the new generic wakeirq interface"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: multi_v7_defconfig: Enable BRCMNAND driver
ARM: BCM: Do not select CONFIG_MTD_NAND_BRCMNAND
ARM: at91/dt: update udc compatible strings
ARM: at91/dt: trivial: fix USB udc compatible string
arm64: dts: Add APM X-Gene standby GPIO controller DTS entries
soc: qcom: spm: Fix idle on THUMB2 kernels
ARM: dove: fix legacy dove IRQ numbers
ARM: mvebu: fix suspend to RAM on big-endian configurations
ARM: mvebu: adjust Armada XP DT spi muxing after pinctrl function rename
serial: 8250_omap: Move wake-up interrupt to generic wakeirq
serial: omap: Switch wake-up interrupt to generic wakeirq
mmc: omap_hsmmc: Change wake-up interrupt to use generic wakeirq
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Pull radeon and amdgpu fixes from Alex Deucher:
"First round of fixes for 4.2 for radeon and amdgpu. Stuff all over
the place:
- hibernation, suspend fixes for radeon and amdgpu
- radeon audio fix
- amdgpu ioctl optimzations and fixes
- amdgpu VCE cs checker improvements
- misc bug fixes"
[ Dave on vacation, pulling directly ]
* 'drm-next-4.2' of git://people.freedesktop.org/~agd5f/linux: (30 commits)
drm/radeon: only check the sink type on DP connectors
drm/amdgpu: add flag to delay VM updates
drm/amdgpu: add optional dependencies to the CS IOCTL v2
drm/amdgpu: recreate fence from user seq
gpu/drm/amdgpu: Fix build when CONFIG_DEBUG_FS is not set
Revert "drm/radeon: dont switch vt on suspend"
drm/amdgpu: disable enable_nb_ps_policy temporarily
drm/amdgpu: correct define SMU_EnabledFeatureScoreboard_SclkDpmOn
drm/amdgpu: allocate ip_block_enabled memory in common code
drm/amdgpu: remove unnecessary check before kfree
drm/amdgpu: use kzalloc for allocating one thing
drm/radeon: fix adding all VAs to the freed list on remove v2
drm/amdgpu: add chunk id validity check
drm/amdgpu: fix crash on invalid CS IOCTL
drm/amdgpu: reset wptr at cp compute resume (v2)
drm/amdgpu: check VCE feedback and bitstream index
drm/amdgpu: make VCE handle check more strict
drm/amdgpu: check VCE relocation buffer range
drm/amdgpu: silence invalid error message
drm/amdgpu: fix wrong type
...
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git://anongit.freedesktop.org/drm-intel
Pull intel drm fixes from Jani Nikula:
"Almost all of it is regression fixes all around, with cc: stable, and
then there's Ander's fix for one of the warnings you reported. We're
still working on the rest"
[ Dave is on vacation, and Jani is heading out on vacation too ]
* tag 'drm-intel-next-fixes-2015-07-02' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Clear pipe's pll hw state in hsw_dp_set_ddi_pll_sel()
drm/i915: fix backlight after resume on 855gm
agp/intel: Fix typo in needs_ilk_vtd_wa()
drm/i915/ppgtt: Break loop in gen8_ppgtt_clear_range failure path
drm/i915: Fix IPS related flicker
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In commit 92923ca3aace "mm: meminit: only set page reserved in the memblock region"
we dropped setting the reserved bits for all pages. This results in some warnings
on ia64:
put_kernel_page: page at 0xe000000005588000 not in reserved memory
put_kernel_page: page at 0xe000000005588000 not in reserved memory
put_kernel_page: page at 0xe000000005580000 not in reserved memory
put_kernel_page: page at 0xe000000005580000 not in reserved memory
put_kernel_page: page at 0xe000000005580000 not in reserved memory
put_kernel_page: page at 0xe000000005580000 not in reserved memory
the two different pages match up with two objects from the loaded kernel
that get mapped by arch/ia64/mm/init.c:setup_gate()
a000000101588000 D __start_gate_section
a000000101580000 D empty_zero_page
In a discussion with Mel Gorman:
http://lkml.kernel.org/r/20150526102219.GB13750%40suse.de
he suggested that while the preferred approach might be to
set the reserved bit for these pages, it would also be OK
to just drop the test:
"as it's a debugging check that is ia-64 specific"
After hunting around a bit and failin to find a good place to mark these
pages as reserved - I decided to just delete the test.
Signed-off-by: Tony Luck <tony.luck@intel.com>
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At the moment the IRQCHIP_DECLARE macro is only declared locally in
drivers/irqchip/irqchip.h. It prevents from using it directly in arch/*
directories whenever irqchip drivers only exist there, which happens in a few
cases (e.g. arc, arm, microblaze and mips).
This patch makes the macro to be globally defined, i.e. in
include/linux/irqchip.h, and thus usable for arch-specific declarations of
irqchip drivers. In this way, it is very similar to what clocksource does (ie
CLOCKSOURCE_OF_DECLARE is defined in include/linux/clocksource.h).
For now, this patch only moves the declaration of the macro
IRQCHIP_DECLARE to the global header 'include/linux/irqchip.h' and make
'drivers/irqchip/irqchip.h' include 'include/linux/irqchip.h'. Later, other
patches will get rid of 'drivers/irqchip/irqchip.h' and modify all the impacted
irqchip drivers.
Signed-off-by: Joel Porquet <joel@porquet.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1435865565-14114-1-git-send-email-joel@porquet.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Vlan ids 0 and 4095 were disallowed by commit:
8adff41c3d25 ("bridge: Don't use VID 0 and 4095 in vlan filtering")
but then the check was removed when vlan ranges were introduced by:
bdced7ef7838 ("bridge: support for multiple vlans and vlan ranges in setlink and dellink requests")
So reintroduce the vlan range check.
Before patch:
[root@testvm ~]# bridge vlan add vid 0 dev eth0 master
(succeeds)
After Patch:
[root@testvm ~]# bridge vlan add vid 0 dev eth0 master
RTNETLINK answers: Invalid argument
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: bdced7ef7838 ("bridge: support for multiple vlans and vlan ranges in setlink and dellink requests")
Acked-by: Toshiaki Makita <toshiaki.makita1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Johan Hedberg says:
====================
pull request: bluetooth 2015-07-02
A couple of regressions crept in because of a patch to use proper list
APIs rather than manually reading & writing the next/prev pointers
(commit 835a6a2f8603237a3e6cded5a6765090ecb06ea5). Turns out this was
masking a few bugs: a missing INIT_LIST_HEAD() call and incorrectly
using list_del() rather than list_del_init(). The two patches in this
set fix these, and it'd be nice they could still make it to 4.2-rc1 to
avoid new bug reports from users.
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In enic_poll, we clean tx and rx queues, when low latency busy socket polling
is happening, enic_poll will only clean tx queue. After cleaning tx, it should
return total budget for re-poll.
There is a small window between vnic_intr_unmask() and enic_poll_unlock_napi().
In this window if an irq occurs and napi is scheduled on different cpu, it tries
to acquire enic_poll_lock_napi() and fails. Unlock napi_poll before unmasking
the interrupt.
v2:
Do not change tx wonk done behaviour. Consider only rx work done for completing
napi.
Signed-off-by: Govindarajulu Varadarajan <_govind@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph updates from Sage Weil:
"We have a pile of bug fixes from Ilya, including a few patches that
sync up the CRUSH code with the latest from userspace.
There is also a long series from Zheng that fixes various issues with
snapshots, inline data, and directory fsync, some simplification and
improvement in the cap release code, and a rework of the caching of
directory contents.
To top it off there are a few small fixes and cleanups from Benoit and
Hong"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (40 commits)
rbd: use GFP_NOIO in rbd_obj_request_create()
crush: fix a bug in tree bucket decode
libceph: Fix ceph_tcp_sendpage()'s more boolean usage
libceph: Remove spurious kunmap() of the zero page
rbd: queue_depth map option
rbd: store rbd_options in rbd_device
rbd: terminate rbd_opts_tokens with Opt_err
ceph: fix ceph_writepages_start()
rbd: bump queue_max_segments
ceph: rework dcache readdir
crush: sync up with userspace
crush: fix crash from invalid 'take' argument
ceph: switch some GFP_NOFS memory allocation to GFP_KERNEL
ceph: pre-allocate data structure that tracks caps flushing
ceph: re-send flushing caps (which are revoked) in reconnect stage
ceph: send TID of the oldest pending caps flush to MDS
ceph: track pending caps flushing globally
ceph: track pending caps flushing accurately
libceph: fix wrong name "Ceph filesystem for Linux"
ceph: fix directory fsync
...
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Pull NFS client updates from Trond Myklebust:
"Highlights include:
Stable patches:
- Fix a crash in the NFSv4 file locking code.
- Fix an fsync() regression, where we were failing to retry I/O in
some circumstances.
- Fix an infinite loop in NFSv4.0 OPEN stateid recovery
- Fix a memory leak when an attempted pnfs fails.
- Fix a memory leak in the backchannel code
- Large hostnames were not supported correctly in NFSv4.1
- Fix a pNFS/flexfiles bug that was impeding error reporting on I/O.
- Fix a couple of credential issues in pNFS/flexfiles
Bugfixes + cleanups:
- Open flag sanity checks in the NFSv4 atomic open codepath
- More NFSv4 delegation related bugfixes
- Various NFSv4.1 backchannel bugfixes and cleanups
- Fix the NFS swap socket code
- Various cleanups of the NFSv4 SETCLIENTID and EXCHANGE_ID code
- Fix a UDP transport deadlock issue
Features:
- More RDMA client transport improvements
- NFSv4.2 LAYOUTSTATS functionality for pnfs flexfiles"
* tag 'nfs-for-4.2-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (87 commits)
nfs: Remove invalid tk_pid from debug message
nfs: Remove invalid NFS_ATTR_FATTR_V4_REFERRAL checking in nfs4_get_rootfh
nfs: Drop bad comment in nfs41_walk_client_list()
nfs: Remove unneeded micro checking of CONFIG_PROC_FS
nfs: Don't setting FILE_CREATED flags always
nfs: Use remove_proc_subtree() instead remove_proc_entry()
nfs: Remove unused argument in nfs_server_set_fsinfo()
nfs: Fix a memory leak when meeting an unsupported state protect
nfs: take extra reference to fl->fl_file when running a LOCKU operation
NFSv4: When returning a delegation, don't reclaim an incompatible open mode.
NFSv4.2: LAYOUTSTATS is optional to implement
NFSv4.2: Fix up a decoding error in layoutstats
pNFS/flexfiles: Fix the reset of struct pgio_header when resending
pNFS/flexfiles: Turn off layoutcommit for servers that don't need it
pnfs/flexfiles: protect ktime manipulation with mirror lock
nfs: provide pnfs_report_layoutstat when NFS42 is disabled
nfs: verify open flags before allowing open
nfs: always update creds in mirror, even when we have an already connected ds
nfs: fix potential credential leak in ff_layout_update_mirror_cred
pnfs/flexfiles: report layoutstat regularly
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs updates from Miklos Szeredi:
"This relaxes the requirements on the lower layer filesystem: now ones
that implement .d_revalidate, such as NFS, can be used.
Upper layer filesystems still has the "no .d_revalidate" requirement.
Also a bad interaction with jffs2 locking has been fixed"
* 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: lookup whiteouts outside iterate_dir()
ovl: allow distributed fs as lower layer
ovl: don't traverse automount points
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
"This is the start of improving fuse scalability.
An input queue and a processing queue is split out from the monolithic
fuse connection, each of those having their own spinlock. The end of
the patchset adds the ability to clone a fuse connection. This means,
that instead of having to read/write requests/answers on a single fuse
device fd, the fuse daemon can have multiple distinct file descriptors
open. Each of those can be used to receive requests and send answers,
currently the only constraint is that a request must be answered on
the same fd as it was read from.
This can be extended further to allow binding a device clone to a
specific CPU or NUMA node.
Based on a patchset by Srinivas Eeda and Ashish Samant. Thanks to
Ashish for the review of this series"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (40 commits)
fuse: update MAINTAINERS entry
fuse: separate pqueue for clones
fuse: introduce per-instance fuse_dev structure
fuse: device fd clone
fuse: abort: no fc->lock needed for request ending
fuse: no fc->lock for pqueue parts
fuse: no fc->lock in request_end()
fuse: cleanup request_end()
fuse: request_end(): do once
fuse: add req flag for private list
fuse: pqueue locking
fuse: abort: group pqueue accesses
fuse: cleanup fuse_dev_do_read()
fuse: move list_del_init() from request_end() into callers
fuse: duplicate ->connected in pqueue
fuse: separate out processing queue
fuse: simplify request_wait()
fuse: no fc->lock for iqueue parts
fuse: allow interrupt queuing without fc->lock
fuse: iqueue locking
...
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull init.h/module.h fragility fixes from Paul Gortmaker:
"Fixup various init.h misuses that are fragile wrt code moving to
module.h
What started as a removal of no longer required include <linux/init.h>
due to the earlier __cpuinit and __devinit removal led to the
observation that some module specfic support was living in init.h
itself, thus preventing the full removal from introducing compile
regressions.
This series includes a few final fixups needed prior to the relocation
of the modular init code from <init.h> to <module.h>. These are
things that weren't easily categorized into any of the other previous
series categories already requested for pull.
That said, each fixup branch (including this one) is independent and
there are no ordering constraints. Only the final code relocation
(which is NOT in this pull) requires that all my cleanup branches be
merged first"
* tag 'module-misc-v4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
tile: add init.h to usb.c to avoid compile failure
arm: fix implicit #include <linux/init.h> in entry asm.
x86: replace __init_or_module with __init in non-modular vsmp_64.c
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