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Commit Graph

872367 Commits

Author SHA1 Message Date
Zhou Yanjie
b8b0145f7d irqchip: Ingenic: Add process for more than one irq at the same time.
Add process for the situation that more than one irq is coming to
a single chip at the same time. The original code will only respond
to the lowest setted bit in JZ_REG_INTC_PENDING, and then exit the
interrupt dispatch function. After exiting the interrupt dispatch
function, since the second interrupt has not yet responded, the
interrupt dispatch function is again entered to process the second
interrupt. This creates additional unnecessary overhead, and the
more interrupts that occur at the same time, the more overhead is
added. The improved method in this patch is to check whether there
are still unresponsive interrupts after processing the lowest
setted bit interrupt. If there are any, the processing will be
processed according to the bit in JZ_REG_INTC_PENDING, and the
interrupt dispatch function will be exited until all processing
is completed.

Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/1570015525-27018-6-git-send-email-zhouyanjie@zoho.com
2019-11-10 18:55:31 +00:00
Paul Cercueil
8bc7464b51 irqchip: ingenic: Alloc generic chips from IRQ domain
By creating the generic chips from the IRQ domain, we don't rely on the
JZ4740_IRQ_BASE macro. It also makes the code a bit cleaner.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1570015525-27018-5-git-send-email-zhouyanjie@zoho.com
2019-11-10 18:55:30 +00:00
Paul Cercueil
208caadce5 irqchip: ingenic: Get virq number from IRQ domain
Get the virq number from the IRQ domain instead of calculating it from
the hardcoded irq base.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1570015525-27018-4-git-send-email-zhouyanjie@zoho.com
2019-11-10 18:55:30 +00:00
Paul Cercueil
52ecc87642 irqchip: ingenic: Error out if IRQ domain creation failed
If we cannot create the IRQ domain, the driver should fail to probe
instead of succeeding with just a warning message.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1570015525-27018-3-git-send-email-zhouyanjie@zoho.com
2019-11-10 18:55:30 +00:00
Paul Cercueil
20b44b4de6 irqchip: ingenic: Drop redundant irq_suspend / irq_resume functions
The same behaviour can be obtained by using the IRQCHIP_MASK_ON_SUSPEND
flag on the IRQ chip.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1570015525-27018-2-git-send-email-zhouyanjie@zoho.com
2019-11-10 18:55:29 +00:00
Jonathan Neuschäfer
0149385537 irqchip: Place CONFIG_SIFIVE_PLIC into the menu
Somehow CONFIG_SIFIVE_PLIC ended up outside of the "IRQ chip support"
menu.

Fixes: 8237f8bc4f ("irqchip: add a SiFive PLIC driver")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Acked-by: Palmer Dabbelt <palmer@sifive.com>
Link: https://lore.kernel.org/r/20191002144452.10178-1-j.neuschaefer@gmx.net
2019-11-10 18:48:35 +00:00
Marc Zyngier
11635fa26d irqchip/gic-v3-its: Make vlpi_lock a spinlock
The VLPI map is currently a mutex, and that's a bad idea as
this lock can be taken in non-preemptible contexts. Convert
it to a raw spinlock, and turn the memory allocation of the
VLPI map to be atomic.

Reported-by: Heyi Guo <guoheyi@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191108165805.3071-12-maz@kernel.org
2019-11-10 18:48:35 +00:00
Marc Zyngier
046b5054f5 irqchip/gic-v3-its: Lock VLPI map array before translating it
Obtaining the mapping ivformation for a VLPI should always be
done with the vlpi_lock for this device held. Otherwise, we
expose ourselves to races against a concurrent unmap.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191108165805.3071-11-maz@kernel.org
2019-11-10 18:48:30 +00:00
Marc Zyngier
ed0e4aa9cc irqchip/gic-v3-its: Synchronise INT/CLEAR commands targetting a VLPI using VSYNC
We have so far always injected/cleared VLPIs using either
INT+SYNC or CLEAR+SYNC sequences, but that's pretty wrong
for two reasons:

- SYNC only synchronises physical LPIs
- The collection ID that for the associated LPI doesn't match
  the redistributor the vPE is associated with

Instead, send an {INT,CLEAR}+VSYNC for forwarded LPIs, ensuring
that the ITS synchronises against the virtual pending table.

Reported-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191108165805.3071-10-maz@kernel.org
2019-11-10 18:47:53 +00:00
Marc Zyngier
286146960a irqchip/gic-v3-its: Synchronise INV command targetting a VLPI using VSYNC
We have so far alwways invalidated VLPIs usinc an INV+SYNC
sequence, but that's pretty wrong for two reasons:

- SYNC only synchronises physical LPIs
- The collection ID that for the associated LPI doesn't match
  the redistributor the vPE is associated with

Instead, send an INV+VSYNC for forwarded LPIs, ensuring that
the ITS can properly synchronise the invalidation of VLPIs.

Fixes: 015ec0386a ("irqchip/gic-v3-its: Add VLPI configuration handling")
Reported-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191108165805.3071-9-maz@kernel.org
2019-11-10 18:47:53 +00:00
Marc Zyngier
c1d4d5cd20 irqchip/gic-v3-its: Add its_vlpi_map helpers
Obtaining the mapping information for a VLPI is something quite common,
and the GICv4.1 code is going to make even more use of it. Expose it as
a separate set of helpers.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191027144234.8395-8-maz@kernel.org
Link: https://lore.kernel.org/r/20191108165805.3071-8-maz@kernel.org
2019-11-10 18:47:52 +00:00
Marc Zyngier
576a834297 irqchip/gic-v3-its: Kill its->device_ids and use TYPER copy instead
Now that we have a copy of TYPER in the ITS structure, rely on this
to provide the same service as its->device_ids, which gets axed.
Errata workarounds are now updating the cached fields instead of
requiring a separate field in the ITS structure.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191027144234.8395-7-maz@kernel.org
Link: https://lore.kernel.org/r/20191108165805.3071-7-maz@kernel.org
2019-11-10 18:47:52 +00:00
Marc Zyngier
ffedbf0cba irqchip/gic-v3-its: Kill its->ite_size and use TYPER copy instead
Now that we have a copy of TYPER in the ITS structure, rely on this
to provide the same service as its->ite_size, which gets axed.
Errata workarounds are now updating the cached fields instead of
requiring a separate field in the ITS structure.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191027144234.8395-6-maz@kernel.org
Link: https://lore.kernel.org/r/20191108165805.3071-6-maz@kernel.org
2019-11-10 18:47:52 +00:00
Marc Zyngier
0dd57fed6b irqchip/gic-v3-its: Make is_v4 use a TYPER copy
Instead of caching the GICv4 compatibility in a discrete way, cache the
TYPER register instead, which can then be used to implement the same
functionnality. This will get used more extensively in subsequent patches.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191027144234.8395-5-maz@kernel.org
Link: https://lore.kernel.org/r/20191108165805.3071-5-maz@kernel.org
2019-11-10 18:47:51 +00:00
Marc Zyngier
425c09be0f irqchip/gic-v3-its: Allow LPI invalidation via the DirectLPI interface
We currently don't make much use of the DirectLPI feature, and it would
be beneficial to do this more, if only because it becomes a mandatory
feature for GICv4.1.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191027144234.8395-4-maz@kernel.org
Link: https://lore.kernel.org/r/20191108165805.3071-4-maz@kernel.org
2019-11-10 18:47:51 +00:00
Marc Zyngier
2f4f064b31 irqchip/gic-v3-its: Factor out wait_for_syncr primitive
Waiting for a redistributor to have performed an operation is a
common thing to do, and the idiom is already spread around.
As we're going to make even more use of this, let's have a primitive
that does just that.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191027144234.8395-3-maz@kernel.org
Link: https://lore.kernel.org/r/20191108165805.3071-3-maz@kernel.org
2019-11-10 18:47:50 +00:00
Marc Zyngier
898aa5ce61 irqchip/gic-v3-its: Free collection mapping on device teardown
We allocate the collection mapping on device creation, but somehow
free it on the irqdomain free path, which is pretty inconsistent
and has led to bugs in the past.

Move it to the point where we teardown the device, making the
alloc/free symetric.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191108165805.3071-2-maz@kernel.org
2019-11-10 18:47:50 +00:00
Rajendra Nayak
bf93b04cd8 dt-bindings: qcom,pdc: Add compatible for sc7180
Add the compatible string for sc7180 SoC from Qualcomm.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20191108092824.9773-8-rnayak@codeaurora.org
2019-11-10 18:47:50 +00:00
Rajendra Nayak
8e4d5a5bde drivers: irqchip: qcom-pdc: Move to an SoC independent compatible
Remove the sdm845 SoC specific compatible to make the driver
easily reusable across other SoC's with the same IP block.
This will reduce further churn adding any SoC specific
compatibles unless really needed.

Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20191108092824.9773-7-rnayak@codeaurora.org
2019-11-10 18:47:49 +00:00
Rasmus Villemoes
0dcd9f8727 irqchip: Add support for Layerscape external interrupt lines
The LS1021A allows inverting the polarity of six interrupt lines
IRQ[0:5] via the scfg_intpcr register, effectively allowing
IRQ_TYPE_LEVEL_LOW and IRQ_TYPE_EDGE_FALLING for those. We just need to
check the type, set the relevant bit in INTPCR accordingly, and fixup
the type argument before calling the GIC's irq_set_type.

In fact, the power-on-reset value of the INTPCR register on the LS1021A
is so that all six lines have their polarity inverted. Hence any
hardware connected to those lines is unusable without this: If the line
is indeed active low, the generic GIC code will reject an irq spec with
IRQ_TYPE_LEVEL_LOW, while if the line is active high, we must obviously
disable the polarity inversion (writing 0 to the relevant bit) before
unmasking the interrupt.

Some other Layerscape SOCs (LS1043A, LS1046A) have a similar feature,
just with a different number of external interrupt lines (and a
different POR value for the INTPCR register). This driver should be
prepared for supporting those by properly filling out the device tree
node. I have the reference manuals for all three boards, but I've only
tested the driver on an LS1021A.

Unfortunately, the Kconfig symbol ARCH_LAYERSCAPE only exists on
arm64, so do as is done for irq-ls-scfg-msi.c: introduce a new symbol
which is set when either ARCH_LAYERSCAPE or SOC_LS1021A is set.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191107122115.6244-3-linux@rasmusvillemoes.dk
2019-11-10 18:47:49 +00:00
Rasmus Villemoes
87cd38dfd9 dt/bindings: Add bindings for Layerscape external irqs
This adds Device Tree binding documentation for the external interrupt
lines with configurable polarity present on some Layerscape SOCs.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191107122115.6244-2-linux@rasmusvillemoes.dk
2019-11-10 18:47:48 +00:00
Florian Fainelli
96de80c14b irqchip/irq-bcm7038-l1: Support brcm,int-fwd-mask
On some specific chips like 7211 we need to leave some interrupts
untouched/forwarded to the VPU which is another agent in the system
making use of that interrupt controller hardware (goes to both ARM GIC
and VPU L1 interrupt controller). Make that possible by using the
existing brcm,int-fwd-mask property and take necessary actions to avoid
masking that interrupt as well as not allowing Linux to map them.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191024201415.23454-6-f.fainelli@gmail.com
2019-11-10 18:47:48 +00:00
Florian Fainelli
e14b5e5ff0 dt-bindings: Document brcm, int-fwd-mask property for bcm7038-l1-intc
Indicate that the brcm,int-fwd-mask property is optional and can be set
on platforms which require to leave specific interrupts unmanaged by
Linux and need to retain the firmware configuration.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191024201415.23454-5-f.fainelli@gmail.com
2019-11-10 18:47:47 +00:00
Florian Fainelli
27eebb6035 irqchip/irq-bcm7038-l1: Enable parent IRQ if necessary
If the 'brcm,irq-can-wake' property is specified, make sure we also
enable the corresponding parent interrupt we are attached to.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191024201415.23454-4-f.fainelli@gmail.com
2019-11-10 18:47:47 +00:00
Florian Fainelli
b94f9008f2 dt-bindings: Document brcm, irq-can-wake for brcm, bcm7038-l1-intc.txt
The BCM7038 L1 interrupt controller can be used as a wake-up interrupt
controller on MIPS and ARM-based systems, document the brcm,irq-can-wake
which has been "standardized" across Broadcom interrupt controllers.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191024201415.23454-3-f.fainelli@gmail.com
2019-11-10 18:47:46 +00:00
Justin Chen
6468fc18b0 irqchip/irq-bcm7038-l1: Add PM support
The current L1 controller does not mask any interrupts when dropping
into suspend. This mean we can receive unexpected wake up sources.
Modified the BCM7038 L1 controller to mask the all non-wake interrupts
before dropping into suspend.

Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191024201415.23454-2-f.fainelli@gmail.com
2019-11-10 18:47:46 +00:00
Ben Dooks (Codethink)
f8af4519df irqchip/gic-v3: Fix __iomem warning
The __iomem attribute should go before the * in the
prototype. Move to silence the following sparse
warnings:

./arch/arm/include/asm/arch_gicv3.h:340:15: warning: incorrect type in argument 1 (different address spaces)
./arch/arm/include/asm/arch_gicv3.h:340:15:    expected void const volatile [noderef] <asn:2> *addr
./arch/arm/include/asm/arch_gicv3.h:340:15:    got void *
./arch/arm/include/asm/arch_gicv3.h:343:17: warning: incorrect type in argument 2 (different address spaces)
./arch/arm/include/asm/arch_gicv3.h:343:17:    expected void volatile [noderef] <asn:2> *addr
./arch/arm/include/asm/arch_gicv3.h:343:17:    got void *
./arch/arm/include/asm/arch_gicv3.h:350:37: warning: incorrect type in argument 2 (different address spaces)
./arch/arm/include/asm/arch_gicv3.h:350:37:    expected void volatile [noderef] <asn:2> *addr
./arch/arm/include/asm/arch_gicv3.h:350:37:    got void *[noderef] <asn:2> addr
drivers/irqchip/irq-gic-v3-its.c:2832:46: warning: incorrect type in argument 2 (different address spaces)
drivers/irqchip/irq-gic-v3-its.c:2832:46:    expected void *[noderef] <asn:2> addr
drivers/irqchip/irq-gic-v3-its.c:2832:46:    got void [noderef] <asn:2> *
./arch/arm/include/asm/arch_gicv3.h:340:15: warning: incorrect type in argument 1 (different address spaces)
./arch/arm/include/asm/arch_gicv3.h:340:15:    expected void const volatile [noderef] <asn:2> *addr
./arch/arm/include/asm/arch_gicv3.h:340:15:    got void *
./arch/arm/include/asm/arch_gicv3.h:343:17: warning: incorrect type in argument 2 (different address spaces)
./arch/arm/include/asm/arch_gicv3.h:343:17:    expected void volatile [noderef] <asn:2> *addr
./arch/arm/include/asm/arch_gicv3.h:343:17:    got void *
./arch/arm/include/asm/arch_gicv3.h:350:37: warning: incorrect type in argument 2 (different address spaces)
./arch/arm/include/asm/arch_gicv3.h:350:37:    expected void volatile [noderef] <asn:2> *addr
./arch/arm/include/asm/arch_gicv3.h:350:37:    got void *[noderef] <asn:2> addr

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191017113341.13778-1-ben.dooks@codethink.co.uk
2019-11-10 18:47:45 +00:00
Ben Dooks (Codethink)
2bbdfcc54b irqchip/gic-v3-its: Fix u64 to __le64 warnings
The its_cmd_block struct can either have u64 or __le64
data in it, so make a anonymous union to remove the
sparse warnings when converting to/from these.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191017112955.15853-1-ben.dooks@codethink.co.uk
2019-11-10 18:47:45 +00:00
Daode Huang
2c54242612 irqchip: Remove redundant semicolon after while
check drivers/irqchip with "make coccicheck M=drivers/irqchip/",
it will report unneeded semicolon like below, just remove them.

drivers/irqchip/irq-zevio.c:54:2-3: Unneeded semicolon
drivers/irqchip/irq-gic-v3.c:177:2-3: Unneeded semicolon
drivers/irqchip/irq-gic-v3.c:234:2-3: Unneeded semicolon

Signed-off-by: Daode Huang <huangdaode@hisilicon.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1571300729-38822-1-git-send-email-huangdaode@hisilicon.com
2019-11-10 18:47:44 +00:00
Linus Torvalds
d6d5df1db6 Linux 5.4-rc5 2019-10-27 13:19:19 -04:00
Linus Torvalds
153a971ff5 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
 "Two fixes for the VMWare guest support:

   - Unbreak VMWare platform detection which got wreckaged by converting
     an integer constant to a string constant.

   - Fix the clang build of the VMWAre hypercall by explicitely
     specifying the ouput register for INL instead of using the short
     form"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu/vmware: Fix platform detection VMWARE_PORT macro
  x86/cpu/vmware: Use the full form of INL in VMWARE_HYPERCALL, for clang/llvm
2019-10-27 07:14:40 -04:00
Linus Torvalds
2b776b54bc Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
 "A small set of fixes for time(keeping):

   - Add a missing include to prevent compiler warnings.

   - Make the VDSO implementation of clock_getres() POSIX compliant
     again. A recent change dropped the NULL pointer guard which is
     required as NULL is a valid pointer value for this function.

   - Fix two function documentation typos"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  posix-cpu-timers: Fix two trivial comments
  timers/sched_clock: Include local timekeeping.h for missing declarations
  lib/vdso: Make clock_getres() POSIX compliant again
2019-10-27 07:04:22 -04:00
Linus Torvalds
a8a31fdcca Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
 "A set of perf fixes:

  kernel:

   - Unbreak the tracking of auxiliary buffer allocations which got
     imbalanced causing recource limit failures.

   - Fix the fallout of splitting of ToPA entries which missed to shift
     the base entry PA correctly.

   - Use the correct context to lookup the AUX event when unmapping the
     associated AUX buffer so the event can be stopped and the buffer
     reference dropped.

  tools:

   - Fix buildiid-cache mode setting in copyfile_mode_ns() when copying
     /proc/kcore

   - Fix freeing id arrays in the event list so the correct event is
     closed.

   - Sync sched.h anc kvm.h headers with the kernel sources.

   - Link jvmti against tools/lib/ctype.o to have weak strlcpy().

   - Fix multiple memory and file descriptor leaks, found by coverity in
     perf annotate.

   - Fix leaks in error handling paths in 'perf c2c', 'perf kmem', found
     by a static analysis tool"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/aux: Fix AUX output stopping
  perf/aux: Fix tracking of auxiliary trace buffer allocation
  perf/x86/intel/pt: Fix base for single entry topa
  perf kmem: Fix memory leak in compact_gfp_flags()
  tools headers UAPI: Sync sched.h with the kernel
  tools headers kvm: Sync kvm.h headers with the kernel sources
  tools headers kvm: Sync kvm headers with the kernel sources
  tools headers kvm: Sync kvm headers with the kernel sources
  perf c2c: Fix memory leak in build_cl_output()
  perf tools: Fix mode setting in copyfile_mode_ns()
  perf annotate: Fix multiple memory and file descriptor leaks
  perf tools: Fix resource leak of closedir() on the error paths
  perf evlist: Fix fix for freed id arrays
  perf jvmti: Link against tools/lib/ctype.h to have weak strlcpy()
2019-10-27 06:59:34 -04:00
Linus Torvalds
1e1ac1cb65 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
 "Two fixes for interrupt controller drivers:

   - Skip IRQ_M_EXT entries in the device tree when initializing the
     RISCV PLIC controller to avoid a double init attempt.

   - Use the correct ITS list when issuing the VMOVP synchronization
     command so the operation works only on the ITS instances which are
     associated to a VM"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/sifive-plic: Skip contexts except supervisor in plic_init()
  irqchip/gic-v3-its: Use the exact ITSList for VMOVP
2019-10-27 06:55:55 -04:00
Linus Torvalds
c9a2e4a829 Seven cifs/smb3 fixes, including three for stable
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Merge tag '5.4-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Seven cifs/smb3 fixes, including three for stable"

* tag '5.4-rc5-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Fix cifsInodeInfo lock_sem deadlock when reconnect occurs
  CIFS: Fix use after free of file info structures
  CIFS: Fix retry mid list corruption on reconnects
  cifs: Fix missed free operations
  CIFS: avoid using MID 0xFFFF
  cifs: clarify comment about timestamp granularity for old servers
  cifs: Handle -EINPROGRESS only when noblockcnt is set
2019-10-27 06:41:52 -04:00
Linus Torvalds
6995a6a5a5 RISC-V updates for v5.4-rc5
Several minor fixes and cleanups for v5.4-rc5:
 
 - Three build fixes for various SPARSEMEM-related kernel configurations
 
 - Two cleanup patches for the kernel bug and breakpoint trap handler code
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Merge tag 'riscv/for-v5.4-rc5-b' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Paul Walmsley:
 "Several minor fixes and cleanups for v5.4-rc5:

   - Three build fixes for various SPARSEMEM-related kernel
     configurations

   - Two cleanup patches for the kernel bug and breakpoint trap handler
     code"

* tag 'riscv/for-v5.4-rc5-b' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: cleanup do_trap_break
  riscv: cleanup <asm/bug.h>
  riscv: Fix undefined reference to vmemmap_populate_basepages
  riscv: Fix implicit declaration of 'page_to_section'
  riscv: fix fs/proc/kcore.c compilation with sparsemem enabled
2019-10-27 06:36:57 -04:00
Linus Torvalds
5a1e843c66 A few MIPS fixes:
- Fix VDSO time-related function behavior for systems where we need to
   fall back to syscalls, but were instead returning bogus results.
 
 - A fix to TLB exception handlers for Cavium Octeon systems where they
   would inadvertently clobber the $1/$at register.
 
 - A build fix for bcm63xx configurations.
 
 - Switch to using my @kernel.org email address.
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Merge tag 'mips_fixes_5.4_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS fixes from Paul Burton:
 "A few MIPS fixes:

   - Fix VDSO time-related function behavior for systems where we need
     to fall back to syscalls, but were instead returning bogus results.

   - A fix to TLB exception handlers for Cavium Octeon systems where
     they would inadvertently clobber the $1/$at register.

   - A build fix for bcm63xx configurations.

   - Switch to using my @kernel.org email address"

* tag 'mips_fixes_5.4_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: tlbex: Fix build_restore_pagemask KScratch restore
  MIPS: bmips: mark exception vectors as char arrays
  mips: vdso: Fix __arch_get_hw_counter()
  MAINTAINERS: Use @kernel.org address for Paul Burton
2019-10-26 19:43:12 -04:00
Linus Torvalds
2976895459 TTY/Serial driver fix for 5.4-rc5
Here is a single tty/serial driver fix for 5.4-rc5 that resolves a
 reported issue.
 
 It has been in linux-next for a while with no problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fix from Greg KH:
 "Here is a single tty/serial driver fix for 5.4-rc5 that resolves a
  reported issue.

  It has been in linux-next for a while with no problems"

* tag 'tty-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  8250-men-mcb: fix error checking when get_num_ports returns -ENODEV
2019-10-26 16:40:04 -04:00
Linus Torvalds
228bd62434 Staging driver fix for 5.4-rc5
Here is a single staging driver fix, for the wlan-ng driver, that
 resolves a reported issue.
 
 It is been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fix from Greg KH:
 "Here is a single staging driver fix, for the wlan-ng driver, that
  resolves a reported issue.

  It is been in linux-next for a while with no reported issues"

* tag 'staging-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: wlan-ng: fix exit return when sme->key_idx >= NUM_WEPKEYS
2019-10-26 16:36:47 -04:00
Linus Torvalds
13fa692e3f Driver core fix for 5.4-rc5
Here is a single sysfs fix for 5.4-rc5.
 
 It resolves an error if you actually try to use the __BIN_ATTR_WO()
 macro, seems I never tested it properly before :(
 
 This has been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fix from Greg KH:
 "Here is a single sysfs fix for 5.4-rc5.

  It resolves an error if you actually try to use the __BIN_ATTR_WO()
  macro, seems I never tested it properly before :(

  This has been in linux-next for a while with no reported issues"

* tag 'driver-core-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  sysfs: Fixes __BIN_ATTR_WO() macro
2019-10-26 15:23:08 -04:00
Linus Torvalds
a03885d596 Char/Misc fix for 5.4-rc5
This is a single char/misc driver fix (well, a binder fix to be
 specific) to resolve a reported issue by Jann.  It's been in linux-next
 for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull binder fix from Greg KH:
 "This is a single binder fix to resolve a reported issue by Jann. It's
  been in linux-next for a while with no reported issues"

* tag 'char-misc-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  binder: Don't modify VMA bounds in ->mmap handler
2019-10-26 15:17:54 -04:00
Linus Torvalds
0ecdd78c75 USB fixes for 5.4-rc5
Here are a number of small USB driver fixes for 5.4-rc5.
 
 More "fun" with some of the misc USB drivers as found by syzbot, and
 there are a number of other small bugfixes in here for reported issues.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of small USB driver fixes for 5.4-rc5.

  More "fun" with some of the misc USB drivers as found by syzbot, and
  there are a number of other small bugfixes in here for reported
  issues.

  All have been in linux-next for a while with no reported issues"

* tag 'usb-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: cdns3: Error out if USB_DR_MODE_UNKNOWN in cdns3_core_init_role()
  USB: ldusb: fix read info leaks
  USB: serial: ti_usb_3410_5052: clean up serial data access
  USB: serial: ti_usb_3410_5052: fix port-close races
  USB: usblp: fix use-after-free on disconnect
  usb: udc: lpc32xx: fix bad bit shift operation
  usb: cdns3: Fix dequeue implementation.
  USB: legousbtower: fix a signedness bug in tower_probe()
  USB: legousbtower: fix memleak on disconnect
  USB: ldusb: fix memleak on disconnect
2019-10-26 15:14:55 -04:00
Linus Torvalds
992cb107e1 Merge branch 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "A few driver fixes for the I2C subsystem"

* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: stm32f7: remove warning when compiling with W=1
  i2c: stm32f7: fix a race in slave mode with arbitration loss irq
  i2c: stm32f7: fix first byte to send in slave mode
  i2c: mt65xx: fix NULL ptr dereference
  i2c: aspeed: fix master pending state handling
2019-10-26 15:06:58 -04:00
Linus Torvalds
acf913b7fb for-linus-2019-10-26
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Merge tag 'for-linus-2019-10-26' of git://git.kernel.dk/linux-block

Pull block and io_uring fixes from Jens Axboe:
 "A bit bigger than usual at this point in time, mostly due to some good
  bug hunting work by Pavel that resulted in three io_uring fixes from
  him and two from me. Anyway, this pull request contains:

   - Revert of the submit-and-wait optimization for io_uring, it can't
     always be done safely. It depends on commands always making
     progress on their own, which isn't necessarily the case outside of
     strict file IO. (me)

   - Series of two patches from me and three from Pavel, fixing issues
     with shared data and sequencing for io_uring.

   - Lastly, two timeout sequence fixes for io_uring (zhangyi)

   - Two nbd patches fixing races (Josef)

   - libahci regulator_get_optional() fix (Mark)"

* tag 'for-linus-2019-10-26' of git://git.kernel.dk/linux-block:
  nbd: verify socket is supported during setup
  ata: libahci_platform: Fix regulator_get_optional() misuse
  nbd: handle racing with error'ed out commands
  nbd: protect cmd->status with cmd->lock
  io_uring: fix bad inflight accounting for SETUP_IOPOLL|SETUP_SQTHREAD
  io_uring: used cached copies of sq->dropped and cq->overflow
  io_uring: Fix race for sqes with userspace
  io_uring: Fix broken links with offloading
  io_uring: Fix corrupted user_data
  io_uring: correct timeout req sequence when inserting a new entry
  io_uring : correct timeout req sequence when waiting timeout
  io_uring: revert "io_uring: optimize submit_and_wait API"
2019-10-26 14:59:51 -04:00
Linus Torvalds
f877bee5ea s390 updates for 5.4-rc5
- Add R_390_GLOB_DAT relocation type support. This fixes boot problem
   on linux-next.
 
 - Fix memory leak in zcrypt.
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Merge tag 's390-5.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - Add R_390_GLOB_DAT relocation type support. This fixes boot problem
   on linux-next.

 - Fix memory leak in zcrypt

* tag 's390-5.4-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/kaslr: add support for R_390_GLOB_DAT relocation type
  s390/zcrypt: fix memleak at release
2019-10-26 06:35:46 -04:00
Linus Torvalds
4fac2407f8 xen: patch for 5.4-rc5
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Merge tag 'for-linus-5.4-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixlet from Juergen Gross:
 "Just one patch for issuing a deprecation warning for 32-bit Xen pv
  guests"

* tag 'for-linus-5.4-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: issue deprecation warning for 32-bit pv guest
2019-10-26 06:32:12 -04:00
Linus Torvalds
964f9cfaae dma-mapping fix for 5.4
- fix a regression in the intel-iommu get_required_mask conversion
    (Arvind Sankar)
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Merge tag 'dma-mapping-5.4-2' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:
 "Fix a regression in the intel-iommu get_required_mask conversion
  (Arvind Sankar)"

* tag 'dma-mapping-5.4-2' of git://git.infradead.org/users/hch/dma-mapping:
  iommu/vt-d: Return the correct dma mask when we are bypassing the IOMMU
2019-10-26 06:29:04 -04:00
Linus Torvalds
485fc4b69c dax fix 5.4-rc5
- Fix a performance regression that followed from a fix to the
   conversion of the fsdax implementation to the xarray. v5.3 users
   report that they stop seeing huge page mappings on an application +
   filesystem layout that was seeing huge pages previously on v5.2.
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Merge tag 'dax-fix-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull dax fix from Dan Williams:
 "Fix a performance regression that followed from a fix to the
  conversion of the fsdax implementation to the xarray. v5.3 users
  report that they stop seeing huge page mappings on an application +
  filesystem layout that was seeing huge pages previously on v5.2"

* tag 'dax-fix-5.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  fs/dax: Fix pmd vs pte conflict detection
2019-10-26 06:26:04 -04:00
Linus Torvalds
1c4e395cf7 SCSI fixes on 20191025
Nine changes, eight to drivers (qla2xxx, hpsa, lpfc, alua, ch,
 53c710[x2], target) and one core change that tries to close a race
 between sysfs delete and module removal.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Nine changes, eight to drivers (qla2xxx, hpsa, lpfc, alua, ch,
  53c710[x2], target) and one core change that tries to close a race
  between sysfs delete and module removal"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: lpfc: remove left-over BUILD_NVME defines
  scsi: core: try to get module before removing device
  scsi: hpsa: add missing hunks in reset-patch
  scsi: target: core: Do not overwrite CDB byte 1
  scsi: ch: Make it possible to open a ch device multiple times again
  scsi: fix kconfig dependency warning related to 53C700_LE_ON_BE
  scsi: sni_53c710: fix compilation error
  scsi: scsi_dh_alua: handle RTPG sense code correctly during state transitions
  scsi: qla2xxx: fix a potential NULL pointer dereference
2019-10-25 20:11:33 -04:00
Christoph Hellwig
e8f44c50df riscv: cleanup do_trap_break
If we always compile the get_break_insn_length inline function we can
remove the ifdefs and let dead code elimination take care of the warn
branch that is now unreadable because the report_bug stub always
returns BUG_TRAP_TYPE_BUG.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-10-25 16:32:38 -07:00