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The CPU hotplug notifiers are history. Remove the last reminders.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The jprobes APIs are deprecated - but are still in occasional use for code that
few people seem to care about, so stop generating deprecation warnings.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The (alleged) users of the module addresses are the same: kernel
profiling.
So just expose the same helper and format macros, and unify the logic.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This code goes back to the historical bitkeeper tree commit 3f7b0672086
("Module section offsets in /sys/module"), where Jonathan Corbet wanted
to show people how to debug loadable modules.
See
https://lwn.net/Articles/88052/
from June 2004.
To expose the required load address information, Jonathan added the
sections subdirectory for every module in /sys/modules, and made them
S_IRUGO - readable by everybody.
It was a more innocent time, plus those S_IRxxx macro names are a lot
more confusing than the octal numbers are, so maybe it wasn't even
intentional. But here we are, thirteen years later, and I'll just change
it to S_IRUSR instead.
Let's see if anybody even notices.
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* pm-devfreq:
PM / devfreq: Define the constant governor name
PM / devfreq: Remove unneeded conditional statement
PM / devfreq: Show the all available frequencies
PM / devfreq: Change return type of devfreq_set_freq_table()
PM / devfreq: Use the available min/max frequency
Revert "PM / devfreq: Add show_one macro to delete the duplicate code"
PM / devfreq: Set min/max_freq when adding the devfreq device
* pm-tools:
tools/power/cpupower: add libcpupower.so.0.0.1 to .gitignore
tools/power/cpupower: Add 64 bit library detection
MAINTAINERS: add maintainer for tools/power/cpupower
cpupower: Fix no-rounding MHz frequency output
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* pm-core:
ACPI / PM: Take SMART_SUSPEND driver flag into account
PCI / PM: Take SMART_SUSPEND driver flag into account
PCI / PM: Drop unnecessary invocations of pcibios_pm_ops callbacks
PM / core: Add SMART_SUSPEND driver flag
PCI / PM: Use the NEVER_SKIP driver flag
PM / core: Add NEVER_SKIP and SMART_PREPARE driver flags
PM / core: Convert timers to use timer_setup()
PM / core: Fix kerneldoc comments of four functions
PM / core: Drop legacy class suspend/resume operations
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* pm-sleep:
freezer: Fix typo in freezable_schedule_timeout() comment
PM / s2idle: Clear the events_check_enabled flag
PM / sleep: Remove pm_complete_with_resume_check()
PM: ARM: locomo: Drop suspend and resume bus type callbacks
PM: Use a more common logging style
PM: Document rules on using pm_runtime_resume() in system suspend callbacks
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* acpi-pm:
ACPI / PM: Fix acpi_pm_notifier_lock vs flush_workqueue() deadlock
ACPI / LPSS: Consolidate runtime PM and system sleep handling
ACPI / PM: Combine device suspend routines
ACPI / LPIT: Add Low Power Idle Table (LPIT) support
ACPI / PM: Split code validating need for runtime resume in ->prepare()
ACPI / PM: Restore acpi_subsys_complete()
ACPI / PM: Combine two identical device resume routines
ACPI / PM: Remove stale function header
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* pm-cpufreq-sched:
cpufreq: schedutil: Reset cached_raw_freq when not in sync with next_freq
* pm-opp:
PM / OPP: Add dev_pm_opp_{un}register_get_pstate_helper()
PM / OPP: Support updating performance state of device's power domain
PM / OPP: add missing of_node_put() for of_get_cpu_node()
PM / OPP: Rename dev_pm_opp_register_put_opp_helper()
PM / OPP: Add missing of_node_put(np)
PM / OPP: Move error message to debug level
PM / OPP: Use snprintf() to avoid kasprintf() and kfree()
PM / OPP: Move the OPP directory out of power/
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'acpi-cppc'
* acpi-ec:
ACPI / EC: Fix regression related to triggering source of EC event handling
* acpi-button:
ACPI / button: Delay acpi_lid_initialize_state() until first user space open
* acpi-sysfs:
ACPI / sysfs: Make function param_set_trace_method_name() static
* acpi-lpss:
ACPI / LPSS: Remove redundant initialization of clk
* acpi-cppc:
ACPI / CPPC: Make CPPC ACPI driver aware of PCC subspace IDs
mailbox: PCC: Move the MAX_PCC_SUBSPACES definition to header file
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* acpi-pmic:
ACPI / PMIC: Add TI PMIC TPS68470 operation region driver
* acpi-apei:
APEI / ERST: use 64-bit timestamps
ACPI / APEI: Remove arch_apei_flush_tlb_one()
arm64: mm: Remove arch_apei_flush_tlb_one()
ACPI / APEI: Remove ghes_ioremap_area
ACPI / APEI: Replace ioremap_page_range() with fixmap
ACPI / APEI: remove the unused dead-code for SEA/NMI notification type
ACPI / APEI: adjust a local variable type in ghes_ioremap_pfn_irq()
* acpi-x86:
ACPI / x86: Extend KIOX000A quirk to cover all affected BIOS versions
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* acpica:
ACPICA: Update version to 20170831
ACPICA: Update acpi_get_timer for 64-bit interface to acpi_hw_read
ACPICA: String conversions: Update to add new behaviors
ACPICA: String conversions: Cleanup/format comments. No functional changes
ACPICA: Restructure/cleanup all string-to-integer conversion functions
ACPICA: Header support for the PDTT ACPI table
ACPICA: acpiexec: Add testability of deferred table verification
ACPICA: Hardware: Enable 64-bit support of hardware accesses
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* pm-cpufreq: (22 commits)
cpufreq: stats: Handle the case when trans_table goes beyond PAGE_SIZE
cpufreq: arm_big_little: make cpufreq_arm_bL_ops structures const
cpufreq: arm_big_little: make function arguments and structure pointer const
cpufreq: pxa: convert to clock API
cpufreq: speedstep-lib: mark expected switch fall-through
cpufreq: ti-cpufreq: add missing of_node_put()
cpufreq: dt: Remove support for Exynos4212 SoCs
cpufreq: imx6q: Move speed grading check to cpufreq driver
cpufreq: ti-cpufreq: kfree opp_data when failure
cpufreq: SPEAr: pr_err() strings should end with newlines
cpufreq: powernow-k8: pr_err() strings should end with newlines
cpufreq: dt-platdev: drop socionext,uniphier-ld6b from whitelist
arm64: wire cpu-invariant accounting support up to the task scheduler
arm64: wire frequency-invariant accounting support up to the task scheduler
arm: wire cpu-invariant accounting support up to the task scheduler
arm: wire frequency-invariant accounting support up to the task scheduler
drivers base/arch_topology: allow inlining cpu-invariant accounting support
drivers base/arch_topology: provide frequency-invariant accounting support
cpufreq: dt: invoke frequency-invariance setter function
cpufreq: arm_big_little: invoke frequency-invariance setter function
...
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* pm-cpuidle:
intel_idle: Graceful probe failure when MWAIT is disabled
cpuidle: Avoid assignment in if () argument
cpuidle: Clean up cpuidle_enable_device() error handling a bit
cpuidle: ladder: Add per CPU PM QoS resume latency support
ARM: cpuidle: Refactor rollback operations if init fails
ARM: cpuidle: Correct driver unregistration if init fails
intel_idle: replace conditionals with static_cpu_has(X86_FEATURE_ARAT)
cpuidle: fix broadcast control when broadcast can not be entered
Conflicts:
drivers/idle/intel_idle.c
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* pm-qos:
PM / QoS: Fix device resume latency framework
PM / QoS: Drop PM_QOS_FLAG_REMOTE_WAKEUP
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* pm-domains:
PM / Domains: Fix genpd to deal with drivers returning 1 from ->prepare()
PM / domains: Rework governor code to be more consistent
PM / Domains: Remove gpd_dev_ops.active_wakeup() callback
soc: rockchip: power-domain: Use GENPD_FLAG_ACTIVE_WAKEUP
soc: mediatek: Use GENPD_FLAG_ACTIVE_WAKEUP
ARM: shmobile: pm-rmobile: Use GENPD_FLAG_ACTIVE_WAKEUP
PM / Domains: Allow genpd users to specify default active wakeup behavior
PM / Domains: Add support to select performance-state of domains
PM / Domains: Rename genpd internals from pm_genpd_* to genpd_*
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Merge /proc/kallsyms pointer value restrictions.
Instead of using %pK, and making it about root access (at the wrong
time, no less), make the whole choice of whether to show the actual
pointer value be very explicit to the kallsyms code.
In particular, we can now default to not doing so, and yet avoid
annoying kernel profiling by actually looking at whether kernel
profiling is allowed or not (by default it is not).
This is all mostly preparation for the real "let's stop leaking kernel
addresses" work that Tobin Harding is working on.
Small steps.
* kallsyms-restrictions:
stop using '%pK' for /proc/kallsyms pointer values
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* pm-pci:
PCI / PM: Add dev_dbg() to print device suspend power states
PCI / PM: Do not resume any devices in pci_pm_prepare()
* pm-avs:
PM / AVS: Use %pS printk format for direct addresses
* pm-docs:
PM: docs: Fix formatting typo in devices.rst
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If ffz() ever returns a value >= 31 then the following shift is undefined
behaviour because the literal 1 which gets shifted is treated as signed
integer.
In practice, the bug is probably harmless, since the first undefined shift
count is 31 which results - ignoring UB - in (int)(0x80000000). This gets
sign extended so bit 32-63 will be set as well and all subsequent
__setup_irq() calls would just end up hitting the -EBUSY branch.
However, a sufficiently aggressive optimizer may use the UB of 1<<31
to decide that doesn't happen, and hence elide the sign-extension
code, so that subsequent calls can indeed get ffz > 31.
In any case, the right thing to do is to make the literal 1UL.
[ tglx: For this to happen a single interrupt would have to be shared by 32
devices. Hardware like that does not exist and would have way more
problems than that. ]
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20171030213548.16831-1-linux@rasmusvillemoes.dk
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data has been already derefenced unconditionally, so it's pointless to do a
NULL pointer check on it afterwards. Drop it.
[ tglx: Depersonify changelog. ]
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/20171112212904.28574-1-linux@rasmusvillemoes.dk
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write_irq_affinity() returns the number of written bytes, which means
success, unconditionally whether the actual irq_set_affinity() call
succeeded or not.
Add proper error handling and pass the error code returned from
irq_set_affinity() back to user space in case of failure.
[ tglx: Fixed coding style and massaged changelog ]
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jiang Biao <jiang.biao2@zte.com.cn>
Cc: zhong.weidong@zte.com.cn
Link: https://lkml.kernel.org/r/1510106103-184761-1-git-send-email-wen.yang99@zte.com.cn
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Partially revert commit 2fa365682943 ("kbuild: soften MODULE_LICENSE
check") so that modpost detects modules that do not have a
MODULE_LICENSE.
Sam's commit also changed the fatal error to a warning, which I am
leaving as is.
This gives advance notice of when a module has no license and will taint
the kernel if the module is loaded.
This produces the following warnings on x86_64 allmodconfig:
MODPOST 6520 modules
WARNING: modpost: missing MODULE_LICENSE() in drivers/auxdisplay/img-ascii-lcd.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/gpio/gpio-ath79.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/gpio/gpio-iop.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/iio/accel/kxsd9-i2c.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/iio/adc/qcom-vadc-common.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/mtk-vcodec/mtk-vcodec-common.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/media/platform/soc_camera/soc_scale_crop.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/mtd/nand/denali_pci.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/net/phy/cortina.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/pinctrl/pxa/pinctrl-pxa2xx.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/power/reset/zx-reboot.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/rpmsg/qcom_glink_native.o
WARNING: modpost: missing MODULE_LICENSE() in drivers/staging/comedi/drivers/ni_atmio.o
WARNING: modpost: missing MODULE_LICENSE() in net/9p/9pnet_xen.o
WARNING: modpost: missing MODULE_LICENSE() in sound/soc/codecs/snd-soc-pcm512x-spi.o
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A set of small fixes:
- make KGDB work again which got broken by the conversion of WARN()
to #UD. The WARN fixup needs to run before the notifier callchain,
otherwise KGDB tries to handle it and crashes.
- disable KASAN in the ORC unwinder to prevent false positive KASAN
warnings
- prevent default mapping above 47bit when 5 level page tables are
enabled
- make the delay calibration optimization work correctly, which had
the conditionals the wrong way around and was operating on data
which was not yet updated.
- remove the bogus X86_TRAP_BP trap init from the default IDT init
table, which broke 32bit int3 handling by overwriting the correct
int3 setup.
- replace this_cpu* with boot_cpu_data access in the preemptible
oprofile init code"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/debug: Handle warnings before the notifier chain, to fix KGDB crash
x86/mm: Fix ELF_ET_DYN_BASE for 5-level paging
x86/idt: Remove X86_TRAP_BP initialization in idt_setup_traps()
x86/oprofile/ppro: Do not use __this_cpu*() in preemptible context
x86/unwind: Disable KASAN checking in the ORC unwinder
x86/smpboot: Make optimization of delay calibration work correctly
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf tool fixes from Thomas Gleixner:
"A small set of fixes for perf tool:
- synchronize the i915 drm header to avoid the 'out of date' warning
- make sure that perf trace cleans up its temporary files on exit
- unbreak the build with newer flex versions
- add missing braces in the eBPF parsing rules"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tooling/headers: Sync the tools/include/uapi/drm/i915_drm.h UAPI header
perf trace: Call machine__exit() at exit
perf tools: Fix eBPF event specification parsing
perf tools: Add "reject" option for parse-events.l
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Add a function, similar to mod_timer(), that will start a timer if it isn't
running and will modify it if it is running and has an expiry time longer
than the new time. If the timer is running with an expiry time that's the
same or sooner, no change is made.
The function looks like:
int timer_reduce(struct timer_list *timer, unsigned long expires);
This can be used by code such as networking code to make it easier to share
a timer for multiple timeouts. For instance, in upcoming AF_RXRPC code,
the rxrpc_call struct will maintain a number of timeouts:
unsigned long ack_at;
unsigned long resend_at;
unsigned long ping_at;
unsigned long expect_rx_by;
unsigned long expect_req_by;
unsigned long expect_term_by;
each of which is set independently of the others. With timer reduction
available, when the code needs to set one of the timeouts, it only needs to
look at that timeout and then call timer_reduce() to modify the timer,
starting it or bringing it forward if necessary. There is no need to refer
to the other timeouts to see which is earliest and no need to take any lock
other than, potentially, the timer lock inside timer_reduce().
Note, that this does not protect against concurrent invocations of any of
the timer functions.
As an example, the expect_rx_by timeout above, which terminates a call if
we don't get a packet from the server within a certain time window, would
be set something like this:
unsigned long now = jiffies;
unsigned long expect_rx_by = now + packet_receive_timeout;
WRITE_ONCE(call->expect_rx_by, expect_rx_by);
timer_reduce(&call->timer, expect_rx_by);
The timer service code (which might, say, be in a work function) would then
check all the timeouts to see which, if any, had triggered, deal with
those:
t = READ_ONCE(call->ack_at);
if (time_after_eq(now, t)) {
cmpxchg(&call->ack_at, t, now + MAX_JIFFY_OFFSET);
set_bit(RXRPC_CALL_EV_ACK, &call->events);
}
and then restart the timer if necessary by finding the soonest timeout that
hasn't yet passed and then calling timer_reduce().
The disadvantage of doing things this way rather than comparing the timers
each time and calling mod_timer() is that you *will* take timer events
unless you can finish what you're doing and delete the timer in time.
The advantage of doing things this way is that you don't need to use a lock
to work out when the next timer should be set, other than the timer's own
lock - which you might not have to take.
[ tglx: Fixed weird formatting and adopted it to pending changes ]
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: keyrings@vger.kernel.org
Cc: linux-afs@lists.infradead.org
Link: https://lkml.kernel.org/r/151023090769.23050.1801643667223880753.stgit@warthog.procyon.org.uk
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__getnstimeofday() is a rather odd interface, with a number of quirks:
- The caller may come from NMI context, but the implementation is not NMI safe,
one way to get there from NMI is
NMI handler:
something bad
panic()
kmsg_dump()
pstore_dump()
pstore_record_init()
__getnstimeofday()
- The calling conventions are different from any other timekeeping functions,
to deal with returning an error code during suspended timekeeping.
Address the above issues by using a completely different method to get the
time: ktime_get_real_fast_ns() is NMI safe and has a reasonable behavior
when timekeeping is suspended: it returns the time at which it got
suspended. As Thomas Gleixner explained, this is safe, as
ktime_get_real_fast_ns() does not call into the clocksource driver that
might be suspended.
The result can easily be transformed into a timespec structure. Since
ktime_get_real_fast_ns() was not exported to modules, add the export.
The pstore behavior for the suspended case changes slightly, as it now
stores the timestamp at which timekeeping was suspended instead of storing
a zero timestamp.
This change is not addressing y2038-safety, that's subject to a more
complex follow up patch.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Colin Cross <ccross@android.com>
Link: https://lkml.kernel.org/r/20171110152530.1926955-1-arnd@arndb.de
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The llist_for_each_entry() loop in irq_work_run_list() is unsafe because
once the works PENDING bit is cleared it can be requeued on another CPU.
Use llist_for_each_entry_safe() instead.
Fixes: 16c0890dc66d ("irq/work: Don't reinvent the wheel but use existing llist API")
Reported-by:Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Byungchul Park <byungchul.park@lge.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petri Latvala <petri.latvala@intel.com>
Link: http://lkml.kernel.org/r/151027307351.14762.4611888896020658384@mail.alporthouse.com
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Writing an invalid schemata with no domain values (e.g., "(L3|MB):"),
results in a silent failure, i.e. the last_cmd_status returns OK,
Check for an empty value and set the result string with a proper error
message and return -EINVAL.
Before the fix:
# mkdir /sys/fs/resctrl/p1
# echo "L3:" > /sys/fs/resctrl/p1/schemata
(silent failure)
# cat /sys/fs/resctrl/info/last_cmd_status
ok
# echo "MB:" > /sys/fs/resctrl/p1/schemata
(silent failure)
# cat /sys/fs/resctrl/info/last_cmd_status
ok
After the fix:
# mkdir /sys/fs/resctrl/p1
# echo "L3:" > /sys/fs/resctrl/p1/schemata
-bash: echo: write error: Invalid argument
# cat /sys/fs/resctrl/info/last_cmd_status
Missing 'L3' value
# echo "MB:" > /sys/fs/resctrl/p1/schemata
-bash: echo: write error: Invalid argument
# cat /sys/fs/resctrl/info/last_cmd_status
Missing 'MB' value
[ Tony: This is an unintended side effect of the patch earlier to allow the
user to just write the value they want to change. While allowing
user to specify less than all of the values, it also allows an
empty value. ]
Fixes: c4026b7b95a4 ("x86/intel_rdt: Implement "update" mode when writing schemata file")
Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Link: https://lkml.kernel.org/r/20171110191624.20280-1-tony.luck@intel.com
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Pull networking fixes from David Miller:
1) Use after free in vlan, from Cong Wang.
2) Handle NAPI poll with a zero budget properly in mlx5 driver, from
Saeed Mahameed.
3) If DMA mapping fails in mlx5 driver, NULL out page, from Inbar
Karmy.
4) Handle overrun in RX FIFO of sun4i CAN driver, from Gerhard
Bertelsmann.
5) Missing return in mdb and vlan prepare phase of DSA layer, from
Vivien Didelot.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
vlan: fix a use-after-free in vlan_device_event()
net: dsa: return after vlan prepare phase
net: dsa: return after mdb prepare phase
can: ifi: Fix transmitter delay calculation
tcp: fix tcp_fastretrans_alert warning
tcp: gso: avoid refcount_t warning from tcp_gso_segment()
can: peak: Add support for new PCIe/M2 CAN FD interfaces
can: sun4i: handle overrun in RX FIFO
can: c_can: don't indicate triple sampling support for D_CAN
net/mlx5e: Increase Striding RQ minimum size limit to 4 multi-packet WQEs
net/mlx5e: Set page to null in case dma mapping fails
net/mlx5e: Fix napi poll with zero budget
net/mlx5: Cancel health poll before sending panic teardown command
net/mlx5: Loop over temp list to release delay events
rds: ib: Fix NULL pointer dereference in debug code
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the drivers/staging/lustre files files with the correct SPDX
license identifier based on the license text in the file itself. The
SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: James Simmons <jsimmons@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that the SPDX tag is in all greybus files, that identifies the
license in a specific and legally-defined manner. So the extra GPL text
wording can be removed as it is no longer needed at all.
This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text. And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.
No copyright headers or other non-license-description text was removed.
Cc: Vaibhav Hiremath <hvaibhav.linux@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Vaibhav Agarwal <vaibhav.sr@gmail.com>
Acked-by: David Lin <dtwlin@gmail.com>
Acked-by: Johan Hovold <johan@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Mark Greer <mgreer@animalcreek.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: "Bryan O'Donoghue" <pure.logic@nexus-software.ie>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It's good to have SPDX identifiers in all files to make it easier to
audit the kernel tree for correct licenses.
Update the drivers/staging/greybus files files with the correct SPDX
license identifier based on the license text in the file itself. The
SPDX identifier is a legally binding shorthand, which can be used
instead of the full boiler plate text.
This work is based on a script and data from Thomas Gleixner, Philippe
Ombredanne, and Kate Stewart.
Cc: Vaibhav Hiremath <hvaibhav.linux@gmail.com>
Cc: "Bryan O'Donoghue" <pure.logic@nexus-software.ie>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Acked-by: Vaibhav Agarwal <vaibhav.sr@gmail.com>
Acked-by: David Lin <dtwlin@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Johan Hovold <johan@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Mark Greer <mgreer@animalcreek.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2017-11-10
this is a pull request for net/master.
The first patch by Richard Schütz for the c_can driver removes the false
indication to support triple sampling for d_can. Gerhard Bertelsmann's
patch for the sun4i driver improves the RX overrun handling. The patch
by Stephane Grosjean for the peak_canfd driver adds the PCI ids for
various new PCIe/M2 interfaces. Marek Vasut's patch for the ifi driver
fix transmitter delay calculation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox, mlx5 fixes 2017-11-08
The following series includes some fixes for mlx5 core and etherent
driver.
Sorry for the late submission but as you can see i have some very
critical fixes below that i would like them merged into this RC.
Please pull and let me know if there is any problem.
For -stable:
('net/mlx5e: Set page to null in case dma mapping fails') kernels >= 4.13
('net/mlx5: FPGA, return -EINVAL if size is zero') kernels >= 4.13
('net/mlx5: Cancel health poll before sending panic teardown command') kernels >= 4.13
V1->V2:
- Fix Reviewed-by tag of the 2nd patch.
- Drop the FPGA 0 size fix, it needs some more change log info.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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After refcnt reaches zero, vlan_vid_del() could free
dev->vlan_info via RCU:
RCU_INIT_POINTER(dev->vlan_info, NULL);
call_rcu(&vlan_info->rcu, vlan_info_rcu_free);
However, the pointer 'grp' still points to that memory
since it is set before vlan_vid_del():
vlan_info = rtnl_dereference(dev->vlan_info);
if (!vlan_info)
goto out;
grp = &vlan_info->grp;
Depends on when that RCU callback is scheduled, we could
trigger a use-after-free in vlan_group_for_each_dev()
right following this vlan_vid_del().
Fix it by moving vlan_vid_del() before setting grp. This
is also symmetric to the vlan_vid_add() we call in
vlan_device_event().
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Fixes: efc73f4bbc23 ("net: Fix memory leak - vlan_info struct")
Cc: Alexander Duyck <alexander.duyck@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Girish Moodalbail <girish.moodalbail@oracle.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Girish Moodalbail <girish.moodalbail@oracle.com>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Last minute upstream update to one of the UAPI headers - sync it with tooling,
to address this warning:
Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h'
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf tooling fixes from Arnaldo Carvalho de Melo.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The current code does not return after successfully preparing the VLAN
addition on every ports member of a it. Fix this.
Fixes: 1ca4aa9cd4cc ("net: dsa: check VLAN capability of every switch")
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code does not return after successfully preparing the MDB
addition on every ports member of a multicast group. Fix this.
Fixes: a1a6b7ea7f2d ("net: dsa: add cross-chip multicast support")
Reported-by: Egil Hjelmeland <privat@egil-hjelmeland.no>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull ceph gix from Ilya Dryomov:
"Memory allocation flags fix, marked for stable"
* tag 'ceph-for-4.14-rc9' of git://github.com/ceph/ceph-client:
rbd: use GFP_NOIO for parent stat and data requests
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input layer updates from Dmitry Torokhov:
- a new ACPI ID for Elan touchpad found in yet another Ideapad model
- Synaptics RMI4 will allow binding to controllers reporting SMB
version 3 (note that we are not adding any new ACPI IDs to the
Synaptics PS/2 drover so unless user explicitly enables intertouch
support there is no user-visible change)
- a fixup to TSC 2004/5 touchscreen driver to mark input devices as
"direct" to help userspace identify the type of device they are
dealing with
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - RMI4 can also use SMBUS version 3
Input: tsc200x-core - set INPUT_PROP_DIRECT
Input: elan_i2c - add ELAN060C to the ACPI table
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'spi/topic/spreadtrum' and 'spi/topic/tegra114' into spi-next
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'spi/topic/orion', 'spi/topic/rspi' and 'spi/topic/s3c64xx' into spi-next
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'spi/topic/davinci' and 'spi/topic/fsl-dspi' into spi-next
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spi-linus
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'regulator/topic/pfuze100' and 'regulator/topic/tps65218' into regulator-next
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