Re: linux-next: manual merge of the kvm tree with the tip tree

On 25/08/2017 18:53, Brijesh Singh wrote: >> > > Thanks for the tip, I have expanded the patch to cover tdp cases and > have verified > that it works fine with SME enabled KVM. If you are okay with this then > I can > send patch. > > diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c > index

[PATCH 3/3] SCSI-sg: Fix a typo in a comment line in sg_ioctl()

From: Markus Elfring Date: Fri, 25 Aug 2017 22:06:59 +0200 Fix a word in this description. Signed-off-by: Markus Elfring --- drivers/scsi/sg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/sg.c

Re: WARNING: at arch/x86/kernel/stacktrace.c:132 save_stack_trace_tsk_reliable

On Fri, Aug 25, 2017 at 10:01:58AM -0500, Josh Poimboeuf wrote: > On Fri, Aug 25, 2017 at 03:54:12PM +0200, Jiri Slaby wrote: > > So now, there are two things: > > 1) how to fix orc_find & unwind_init properly? > > 2) how to generate an EMPTY hint for secondary_startup_64 and maybe > > later REGS

Re: [RFC][PATCH 4/4] time: Clean up CLOCK_MONOTONIC_RAW time handling

On Fri, Aug 25, 2017 at 11:55 AM, John Stultz wrote: > I'll look over the code again to see if I can catch anything by > review. Worse case if we can't get any traction on this in a day or so > I'll submit a revert. I think I found the issue. In tk_update_ktime_data() I

Re: [PATCH RFC v2] Add /proc/pid/smaps_rollup

On Thu, 24 Aug 2017 10:55:53 +0200 Michal Hocko wrote: > > If we assume that the number of VMAs is going to increase over time, > > then doing anything we can do to reduce the overhead of each VMA > > during PSS collection seems like the right way to go, and that means > >

Re: [RFC PATCH] mm: fadvise: avoid fadvise for fs without backing device

On Thu, 17 Aug 2017 18:20:17 -0700 Shakeel Butt wrote: > +linux-mm, linux-kernel > > On Thu, Aug 17, 2017 at 6:10 PM, Shakeel Butt wrote: > > The fadvise() manpage is silent on fadvise()'s effect on > > memory-based filesystems (shmem, hugetlbfs &

Re: [PATCH 00/14] VME: Adjustments for several function implementations

On Fri, Aug 25, 2017 at 05:41:13PM +0200, SF Markus Elfring wrote: > From: Markus Elfring > Date: Fri, 25 Aug 2017 13:15:43 +0200 > > Several update suggestions were taken into account > from static source code analysis. > > Markus Elfring (14): > Delete 11

[patch V2 20/44] x86/irq_work: Make it depend on APIC

The irq work interrupt vector is only installed when CONFIG_X86_LOCAL_APIC is enabled, but the interrupt handler is compiled in unconditionally. Compile the cruft out when the APIC is disabled. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/irq_work.h |8

[patch V2 25/44] x86: Replace access to desc_struct:a/b fields

The union inside of desc_struct which allows access to the raw u32 parts of the descriptors. This raw access part is about to go away. Replace the few code parts which access those fields. Signed-off-by: Thomas Gleixner Cc: Boris Ostrovsky Cc:

[patch V2 28/44] x86/idt: Create file for IDT related code

IDT related code lives in different places. Create a new source file to hold it. Move the idt_tables and descriptors to it for a start. Follow up patches will gradually move more code over. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/Makefile |2 +-

[patch V2 26/44] x86/gdt: Use bitfields for initialization

The GDT entry related code uses partially bitfields and macros which initialize the two 16 bit parts of the entry by magic shift and mask operations. Clean it up and use the bitfields to initialize and access entries. Signed-off-by: Thomas Gleixner ---

[patch V2 19/44] x86/ipi: Make platform IPI depend on APIC

The platform IPI vector is only installed when the local APIC is enabled. All users of it depend on the local APIC anyway. Make the related code conditional on CONFIG_X86_LOCAL_APIC. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/entry_arch.h |3 +--

[patch V2 15/44] x86/smp: Use static key for reschedule interrupt tracing

It's worth to avoid the extra irq_enter()/irq_exit() pair in the case that the reschedule interrupt tracepoints are disabled. Use the static key which indicates that exception tracing is enabled. For now this key is global. It will be optimized in a later step. Signed-off-by: Thomas Gleixner

[patch V2 27/44] x86/ldttss: Cleanup 32bit descriptors

Like the IDT descriptors the LDT/TSS descriptors are pointlessly different on 32 and 64 bit. Unify them and get rid of the duplicated code. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h | 26 +++---

Re: [PATCH v4 2/3] dt-bindings: PCI: add PCIe hotplug property

On Thu, Aug 24, 2017 at 02:19:07PM +0530, Oza Pawandeep wrote: > Host drivers have the requirement of implementing PCI hotplug > based on the how their SOC supports PCI hotplug. > > Couple of properties have been added. the one to enable > the hotplug feature itself, and the other caters to > the

[patch V2 22/44] x86/idt: Unify gate_struct handling for 32/64bit

The first 32bits of gate struct are the same for 32 and 64 bit. The 32bit version uses desc_struct and no designated data structure, so we need different accessors for 32 and 64 bit. Aside of that the macros which are necessary to build the 32bit gate descriptor are horrible to read. Unify the

[GIT PULL] MTD fixes for v4.13-rc7

9a51544774a57fcb94994a61860a17f9e63a8d7b: mtd: blkdevs: Fix mtd block write failure (2017-08-12 14:53:24 -0700) are available in the git repository at: git://git.infradead.org/linux-mtd.git tags/for-linus-20170825 for you to fetch changes up to be3e83e3471cd0faff2c2d88fe9cfc73d9a9745a: mtd: nand

Re: [PATCH v5 1/2] sched/clock: interface to allow timestamps early in boot

On Wed, 23 Aug 2017, Pavel Tatashin wrote: > > - Use weak sched_clock_early() interface to determine time from boot in > arch specific read_boot_clock64() weak sched_clock_early() is not an interface. The weak implementation is merily a place holder which can be overridden by a real

Re: [PATCH 1/3] usb: dwc2: Improve gadget state disconnection handling

On Thu, Aug 17, 2017 at 12:03 PM, John Stultz wrote: > In the earlier commit dad3f793f20f ("usb: dwc2: Make sure we > disconnect the gadget state"), I was trying to fix up the > fact that we somehow weren't disconnecting the gadget state, > so that when the OTG port was

Re: [RFC PATCH] mm: fadvise: avoid fadvise for fs without backing device

On Fri, Aug 25, 2017 at 2:49 PM, Andrew Morton wrote: > On Thu, 17 Aug 2017 18:20:17 -0700 Shakeel Butt wrote: > >> +linux-mm, linux-kernel >> >> On Thu, Aug 17, 2017 at 6:10 PM, Shakeel Butt wrote: >> > The fadvise() manpage

Re: [Question]: try to fix contention between expire_timers and try_to_del_timer_sync

Hi Will, On 2017-08-15 11:40, Will Deacon wrote: Hi Vikram, On Thu, Aug 03, 2017 at 04:25:12PM -0700, Vikram Mulukutla wrote: On 2017-07-31 06:13, Will Deacon wrote: >On Fri, Jul 28, 2017 at 12:09:38PM -0700, Vikram Mulukutla wrote: >>On 2017-07-28 02:28, Will Deacon wrote: >>>On Thu, Jul

Re: [PATCH v6 3/5] mm: introduce mmap3 for safely defining new mmap flags

On Fri, Aug 25, 2017 at 9:19 AM, Helge Deller wrote: > On 25.08.2017 18:16, Kirill A. Shutemov wrote: >> On Fri, Aug 25, 2017 at 09:02:36AM -0700, Christoph Hellwig wrote: >>> On Fri, Aug 25, 2017 at 06:58:03PM +0300, Kirill A. Shutemov wrote: Not all archs are ready for this:

[PATCH 1/3] SCSI-sg: Delete an error message for a failed memory allocation in sg_alloc()

From: Markus Elfring Date: Fri, 25 Aug 2017 21:48:11 +0200 Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring ---

Re: linux-next: manual merge of the kvm tree with the tip tree

On 25/08/2017 22:41, Brijesh Singh wrote: > >> Neither my version nor yours is correct. :) The right one has [0][i] >> and [1][i] (I inverted the indices by mistake). >> >> With that change, you can include my >> >> Acked-by: Paolo Bonzini >> > > Ingo, > > I assuming

Re: linux-next: manual merge of the kvm tree with the tip tree

On 08/25/2017 03:05 PM, Paolo Bonzini wrote: On 25/08/2017 18:53, Brijesh Singh wrote: Neither my version nor yours is correct. :) The right one has [0][i] and [1][i] (I inverted the indices by mistake). With that change, you can include my Acked-by: Paolo Bonzini

Re: [PATCH v3 03/11] ARC: Allow irq threading

On Fri, 25 Aug 2017, Thomas Gleixner wrote: > On Fri, 25 Aug 2017, Vineet Gupta wrote: > > On 06/15/2017 01:43 AM, Noam Camus wrote: > > > From: Noam Camus > > > > > > Working with NPS400 we noticed that there is a possibility of L1 > > > interrupt nesting that may run out

[PATCH] kthread_worker: don't hog the cpu

If the worker thread continues getting work, it will hog the cpu and rcu stall complains. Make it a good citizen. This is triggered in a loop block device test. Signed-off-by: Shaohua Li --- kernel/kthread.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/kthread.c

[patch V2 02/44] x86/irq: Unexport used_vectors

No modular users. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/traps.c |1 - 1 file changed, 1 deletion(-) --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -83,7 +83,6 @@ gate_desc debug_idt_table[NR_VECTORS] __ gate_desc idt_table[NR_VECTORS]

[patch V2 42/44] x86/idt: Deinline setup functions

Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h | 37 ++--- arch/x86/kernel/idt.c | 42 +- 2 files changed, 35 insertions(+), 44 deletions(-) --- a/arch/x86/include/asm/desc.h

[patch V2 44/44] x86/idt: Hide set_intr_gate()

set_intr_gate() is an internal function of the IDT code. The only user left is the KVM code which replaces the pagefault handler eventually. Provide an explicit update_intr_gate() function and make set_intr_gate() static. While at it replace the magic number 14 in the KVM code with the proper

[patch V2 21/44] x86/tracing: Build tracepoints only when they are used

The tracepoint macro magic emits code for all tracepoints in a event header file. That code stays around even if the tracepoint is not used at all. The linker does not discard it. Build the various irq_vector tracepoints dependent on the appropriate CONFIG switches. Signed-off-by: Thomas

[patch V2 39/44] x86/idt: Move APIC gate initialization to tables

Replace the APIC/SMP vector gate initialization with the table based mechanism. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h |1 arch/x86/kernel/idt.c | 48 ++ arch/x86/kernel/irqinit.c | 69

[patch V2 11/44] x86/apic: Remove the duplicated tracing versions of interrupts

The error and the spurious interrupt are really rare events and not at all so performance sensitive that two NOP5s can not be tolerated when tracing is disabled. Remove the nonsense. Signed-off-by: Thomas Gleixner Reviewed-by: Steven Rostedt (VMware)

[patch V2 17/44] x86/idt: Cleanup the i386 low level entry macros

Some of the entry function defines for i386 were explictely using the BUILD_INTERRUPT3() macro to prevent that the extra trace entry got added via BUILD_INTERRUPT(). No that the trace cruft is gone, the file can be cleaned up and converted to use BUILD_INTERRUPT() which avoids the ugly line

[patch V2 18/44] x86/tracing: Disentangle pagefault and resched IPI tracing key

The pagefault and the resched IPI handler are the only ones where it is worth to optimize the code further in case tracepoints are disabled. But it makes no sense to have a single static key for both. Seperate the static keys so the facilities are handled seperately. Signed-off-by: Thomas

[patch V2 14/44] x86/smp: Remove pointless duplicated interrupt code

Two NOP5 are really a good tradeoff vs. the unholy IDT switching mess, which duplicates code all over the place. The rescheduling interrupt gets optimized in a later step. Make the ordering of function call and statistics increment the same as in other places. stats first, then function call.

[patch V2 16/44] x86/idt: Remove tracing idt completely

No more users of the tracing idt. All exception tracepoints have been moved into the regular handlers. Get rid of the mess which shouldn't have been created in the first place. Signed-off-by: Thomas Gleixner --- arch/x86/entry/entry_32.S | 12 +-

[PATCH] HID: multitouch: support buttons and trackpoint on Lenovo X1 Tab Gen2

On the 2nd generation Lenovo Tablet only clickpad is working; the trackpoint and three mouse buttons do not work. hid_multitouch must export all inputs in order to get trackpoint and buttons to function. Signed-off-by: Pavel Tatashin --- drivers/hid/hid-ids.h

Re: [PATCH V1] thermal: qcom-spmi-temp-alarm: add support for GEN2 PMIC peripherals

On 08/25, Zhang Rui wrote: > On Thu, 2017-08-17 at 13:12 +0530, kgu...@codeaurora.org wrote: > > On 2017-08-16 17:53, kgu...@codeaurora.org wrote: > > > > > > On 2017-08-08 13:42, Zhang Rui wrote: > > > > > > > > On Thu, 2017-07-13 at 17:39 +0530, Kiran Gunda wrote: > > > > > > > > > > From:

Re: [PATCH 3.16 032/134] MIPS: Loongson-3: Select MIPS_L1_CACHE_SHIFT_6

On Mon, 2017-08-21 at 10:24 +0800, Huacai Chen wrote: > 3.16 doesn't need this, because 3.16 doesn't support Loongson-3 R2/R3. Thanks, I'll drop this. Ben. > Huacai > > > On Fri, Aug 18, 2017 at 9:13 PM, Ben Hutchings wrote: > > 3.16.47-rc1 review patch.  If anyone has

Re: [PATCH 3.16 119/134] ipv4: restore rt->fi for reference counting

On Fri, 2017-08-18 at 06:53 -0700, Eric Dumazet wrote: > > On Fri, Aug 18, 2017 at 6:13 AM, Ben Hutchings wrote: > > 3.16.47-rc1 review patch.  If anyone has any objections, please let me know. > > > > -- > > > > From: WANG Cong >

[tip:x86/cache] x86/intel_rdt: Turn off most RDT features on Skylake

Commit-ID: d56593eb5eda8f593db92927059697bbf89bc4b3 Gitweb: http://git.kernel.org/tip/d56593eb5eda8f593db92927059697bbf89bc4b3 Author: Tony Luck AuthorDate: Thu, 24 Aug 2017 09:26:52 -0700 Committer: Thomas Gleixner CommitDate: Fri, 25 Aug 2017

[tip:x86/cache] x86/intel_rdt: Add command line options for resource director technology

Commit-ID: 1d9807fc64c131a83a96917f2b2da1c9b00cf127 Gitweb: http://git.kernel.org/tip/1d9807fc64c131a83a96917f2b2da1c9b00cf127 Author: Tony Luck AuthorDate: Thu, 24 Aug 2017 09:26:51 -0700 Committer: Thomas Gleixner CommitDate: Fri, 25 Aug 2017

[PATCH 2/3] SCSI-sg: Improve a size determination in sg_alloc()

From: Markus Elfring Date: Fri, 25 Aug 2017 21:55:14 +0200 Replace the specification of a data type by a pointer dereference as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style

Re: [Question]: try to fix contention between expire_timers and try_to_del_timer_sync

On 2017-08-25 12:48, Vikram Mulukutla wrote: If I understand the code correctly, the upper 32 bits of an ARM64 virtual address will overflow when 1 is added to it, and so we'll keep WFE'ing on every subsequent cpu_relax invoked from the same PC, until we cross the hard-coded threshold,

Re: [PATCH v2 1/1] futex: remove duplicated code and fix UB

On Thu, 24 Aug 2017, Will Deacon wrote: > On Thu, Aug 24, 2017 at 09:31:05AM +0200, Jiri Slaby wrote: > > +static int futex_atomic_op_inuser(unsigned int encoded_op, u32 __user > > *uaddr) > > +{ > > + unsigned int op = (encoded_op & 0x7000) >> 28; > > + unsigned int cmp =

Re: [PATCH net-next] compiler: Document behavior compiling with -O0

On 24 August 2017 at 14:20, Arnd Bergmann wrote: > On Thu, Aug 24, 2017 at 6:45 PM, Joe Stringer wrote: >> Recent changes[0] to make use of __compiletime_assert() from container_of() >> increased the scope of this macro, resulting in a wider set of >> situations

[PATCH] ASoC: tas2552: Fix fraction overflow in PLL calculation

Setting the PLL involves the calculation of a fixed point ratio with 4 decimal digits fraction, referred to as "J.D". The fraction "D" is stored separately from the integer part "J" and is limited to 0... The current algorithm uses integer registers to calculate the fraction part, but failed

[patch V2 33/44] x86/idt: Move early IDT setup out of 32bit asm

The early IDT setup can be done in C code like it's done on 64 bit. Reuse the 64 bit version. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/segment.h |1 + arch/x86/kernel/head32.c |4 arch/x86/kernel/head_32.S | 36

[patch V2 38/44] x86/idt: Move regular trap init to tables

Initialize the regular traps with a table. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h |1 arch/x86/kernel/idt.c | 51 arch/x86/kernel/traps.c | 42 +--- 3

[patch V2 41/44] x86/idt: Remove unused functions/inlines

The IDT related inlines are not longer used. Remove them. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h | 36 1 file changed, 36 deletions(-) --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@

[patch V2 35/44] x86/idt: Switch early trap init to IDT tables

Add the initialization table for the early trap setup and replace the early trap init code. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/idt.c | 52 arch/x86/kernel/setup.c |4 +-- arch/x86/kernel/traps.c | 27

[patch V2 40/44] x86/idt: Move interrupt gate initialization to IDT code

Move the gate intialization from interrupt init to the IDT code so all IDT related operations are at a single place. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/idt.c | 18 ++ arch/x86/kernel/irqinit.c | 18 -- 2 files changed,

[patch V2 23/44] x86/percpu: Use static initializer for GDT entry

The IDT cleanup is about to remove pack_descriptor(). The GDT setup for the percpu storage can be achieved with the static initializer as well. Replace it. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/setup_percpu.c |9 +++-- 1 file changed, 3 insertions(+), 6

[patch V2 43/44] x86/idt: Simplify alloc_intr_gate

The only users of alloc_intr_gate() are hypervisors, which both check the used_vectors bitmap whether they have allocated the gate already. Move that check into alloc_intr_gate() and simplify the users. Signed-off-by: Thomas Gleixner Reviewed-by: Juergen Gross

[patch V2 36/44] x86/idt: Move debug stack init to table based

Add the debug_idt init table and make use of it. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h |2 ++ arch/x86/kernel/idt.c | 23 +++ arch/x86/kernel/traps.c |6 +- 3 files changed, 26 insertions(+), 5 deletions(-)

[patch V2 37/44] x86/idt: Move ist stack based traps to table init

Initialize the IST based traps via a table Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h |2 ++ arch/x86/kernel/idt.c | 22 ++ arch/x86/kernel/traps.c |9 + 3 files changed, 25 insertions(+), 8 deletions(-)

[patch V2 32/44] x86/idt: Move early IDT handler setup to IDT code

The early IDT handler setup is done in C entry code for 64 bit and in ASM entry code for 32 bit. Move the 64bit variant to the IDT code so it can be shared with 32bit in the next step. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h |9 +

[patch V2 08/44] x86/apic: Remove the duplicated tracing version of local_timer_interrupt

The two NOP5 are noise in the rest of the work which is done by the timer interrupt and modern CPUs are pretty good in optimizing nops. Get rid of the interrupt handler duplication and move the tracepoints into the regular handler. Signed-off-by: Thomas Gleixner Reviewed-by:

[patch V2 12/44] x86/irqwork: Get rid of duplicated tracing interrupt code

Two NOP5 are a reasonable tradeoff to avoid duplicated code and the requirement to switch the IDT. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/hw_irq.h |2 +- arch/x86/kernel/irq_work.c| 16 ++-- 2 files changed, 3 insertions(+), 15

[patch V2 13/44] x86/mce: Remove duplicated tracing interrupt code

Machine checks are not really high frequency events. The extra two NOP5 for the disabled tracepoints are noise vs. the heavy lifting which needs to be done in the MCE handler. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/hw_irq.h|6 +++---

[patch V2 07/44] x86/traps: Simplify pagefault tracing logic

Make use of the new irqvector tracing static key and remove the duplicated trace_do_pagefault() implementation. If irq vector tracing is disabled, then the overhead of this is a single NOP5, which is a reasonable tradeoff to avoid duplicated code and the unholy macro mess. Signed-off-by: Thomas

[patch V2 09/44] x86/apic: Use this_cpu_ptr in local_timer_interrupt

Accessing the per cpu data via per_cpu(, smp_processor_id()) is pointless. Use this_cpu_ptr() instead. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/apic/apic.c |6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/arch/x86/kernel/apic/apic.c +++

[patch V2 10/44] x86/irq: Get rid of duplicated trace_x86_platform_ipi() code

Two NOP5 are really a good tradeoff vs. the unholy IDT switching mess, which duplicates code all over the place. Signed-off-by: Thomas Gleixner Reviewed-by: Steven Rostedt (VMware) --- arch/x86/include/asm/hw_irq.h |2 +- arch/x86/kernel/irq.c

[patch V2 06/44] x86/tracing: Introduce a static key for exception tracing

Switching the IDT just for avoiding tracepoints creates a complete impenetrable macro/inline/ifdef mess. There is no point in avoiding tracepoints for most of the traps/exceptions. For the more expensive tracepoints, like pagefaults, this can be handled with an explicit static key. Preparatory

[patch V2 04/44] x86/irq: Remove duplicated used_vectors definition

Remove the unparseable comment in the other place while at it. Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/desc.h |1 - arch/x86/include/asm/irq.h |3 --- 2 files changed, 4 deletions(-) --- a/arch/x86/include/asm/desc.h +++

[patch V2 05/44] x86/boot: Move EISA setup to a proper place

EISA has absolutely nothing to do with traps. The EISA bus detection does not need to run in the very early boot. It's good enough to run it before the EISA bus and drivers are initialized. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/Makefile |1 +

mmotm 2017-08-25-15-50 uploaded

The mm-of-the-moment snapshot 2017-08-25-15-50 has been uploaded to http://www.ozlabs.org/~akpm/mmotm/ mmotm-readme.txt says README for mm-of-the-moment: http://www.ozlabs.org/~akpm/mmotm/ This is a snapshot of my -mm patch queue. Uploaded at random hopefully more than once a week. You

Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit

On Fri, Aug 25, 2017 at 3:19 PM, Tim Chen wrote: > > Also I think patch 1 is still a good idea for a fail safe mechanism > in case there are other long wait list. Yeah, I don't hate patch #1. But that other patch is just nasty. > That said, I do think your suggested

Re: + mm-madvise-fix-freeing-of-locked-page-with-madv_free.patch added to -mm tree

Mike Kravetz wrote: > On 08/25/2017 03:02 PM, Nadav Amit wrote: >> Michal Hocko wrote: >> >>> Hmm, I do not see this neither in linux-mm nor LKML. Strange >>> >>> On Wed 23-08-17 14:41:21, Andrew Morton wrote: From: Eric Biggers

Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit

On Fri, Aug 25, 2017 at 3:51 PM, Linus Torvalds wrote: > > So take it as that: example pseudo-code that happens to pass a > compiler, but is meant as a RFD rather than actually working. Oh, and after I sent it out, I wanted to look once again, and realized that the

Re: [PATCH 3.16 084/134] usb: misc: legousbtower: Fix buffers on stack

On Sat, 2017-08-19 at 09:29 +0300, Maksim Salau wrote: > On Fri, 18 Aug 2017 14:13:20 +0100 > Ben Hutchings wrote: > > > 3.16.47-rc1 review patch.  If anyone has any objections, please let me know. > > > > -- > > > > From: Maksim Salau

Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit

On 08/25/2017 12:58 PM, Linus Torvalds wrote: > On Fri, Aug 25, 2017 at 9:13 AM, Tim Chen wrote: >> Now that we have added breaks in the wait queue scan and allow bookmark >> on scan position, we put this logic in the wake_up_page_bit function. > > Oh, _this_ is the

Re: [PATCH 1/2] scsi: lpfc: avoid an unused function warning

Arnd, > The only reference to lpfc_nvmet_replenish_context() is inside of an > #ifdef, leading to a harmless warning when CONFIG_NVME_TARGET_FC is > disabled: Applied to 4.14/scsi-queue. Thanks! -- Martin K. Petersen Oracle Linux Engineering

Re: [PATCH v3 2/2] scsi: lpfc: avoid false-positive gcc-8 warning

Arnd, > This is an interesting regression with gcc-8, showing a harmless > warning for correct code: Applied to 4.14/scsi-queue. Thanks! -- Martin K. Petersen Oracle Linux Engineering

Re: + mm-madvise-fix-freeing-of-locked-page-with-madv_free.patch added to -mm tree

On 08/25/2017 03:02 PM, Nadav Amit wrote: > Michal Hocko wrote: > >> Hmm, I do not see this neither in linux-mm nor LKML. Strange >> >> On Wed 23-08-17 14:41:21, Andrew Morton wrote: >>> From: Eric Biggers >>> Subject: mm/madvise.c: fix freeing of locked

Re: [PATCH v7 9/9] sparc64: Add support for ADI (Application Data Integrity)

> On Aug 9, 2017, at 2:26 PM, Khalid Aziz wrote: > > ADI is a new feature supported on SPARC M7 and newer processors to allow > hardware to catch rogue accesses to memory. ADI is supported for data > fetches only and not instruction fetches. An app can enable ADI on its

Re: [PATCH] of: do not leak console options

On Sat, Aug 26, 2017 at 02:36:47AM +0900, Sergey Senozhatsky wrote: > If add_preferred_console() returns error then we must free a > copy of `of_stdout_options' that we create right before the > console registration. > > Signed-off-by: Sergey Senozhatsky > --- >

Re: [PATCH net-next v2 05/14] net: mvpp2: do not force the link mode

On Fri, Aug 25, 2017 at 04:48:12PM +0200, Antoine Tenart wrote: > The link mode (speed, duplex) was forced based on what the phylib > returns. This should not be the case, and only forced by ethtool > functions manually. This patch removes the link mode enforcement from > the phylib link_event

kernel panic in generic_make_request() in block/blk-core.c

Hi All, I am trying to use the latest (4.13-rc6) kernel in my android device (Intel APL SOC, running Android O). But sometimes, during the boot process, when MMC partition is getting mounted, I hit the following kernel panic. Its not 100% reproducible. But I hit it twice in 10 cycles. Copied

Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit

On Fri, Aug 25, 2017 at 4:03 PM, Linus Torvalds wrote: > > Let this be a lesson in just *how* little tested, and *how* crap that > patch probably still is. I haven't had time to look at it any more (trying to merge the pull requests that came in today instead), but

Re: [PATCH v6 2/5] fs, xfs: introduce S_IOMAP_SEALED

On Thu, Aug 24, 2017 at 11:00 PM, Dan Williams wrote: > On Thu, Aug 24, 2017 at 9:13 AM, Christoph Hellwig wrote: >> I'm still very unhappy about the get/set flag state. What is the >> reason you can't use/extend leases? (take a look at the fcntl >> man

Re: [PATCH 2/2 v2] sched/wait: Introduce lock breaker in wake_up_page_bit

On Fri, Aug 25, 2017 at 9:13 AM, Tim Chen wrote: > Now that we have added breaks in the wait queue scan and allow bookmark > on scan position, we put this logic in the wake_up_page_bit function. Oh, _this_ is the other patch you were talking about. I thought it was

Re: [PATCH v3 03/11] ARC: Allow irq threading

+CC Peter, Tglx, Steven On 06/15/2017 01:43 AM, Noam Camus wrote: From: Noam Camus Working with NPS400 we noticed that there is a possibility of L1 interrupt nesting that may run out kernel stack. The scenario include serving invoke_softirqs() from irq_exit() and once

[tip:irq/core] irqdomain: Prevent potential NULL pointer dereference in irq_domain_push_irq()

Commit-ID: 20c4d49c0f304f3f945bbd560b26afa98f75a0c4 Gitweb: http://git.kernel.org/tip/20c4d49c0f304f3f945bbd560b26afa98f75a0c4 Author: Dan Carpenter AuthorDate: Fri, 25 Aug 2017 15:14:09 +0300 Committer: Thomas Gleixner CommitDate: Fri, 25

Re: [PATCH 13/14] vme: tsi148: Improve 17 size determinations

On Fri, Aug 25, 2017 at 06:15:08PM +0200, SF Markus Elfring wrote: > @@ -2363,5 +2364,5 @@ static int tsi148_probe(struct pci_dev *pdev, const > struct pci_device_id *id) > master_num--; > > tsi148_device->flush_image = > -

Re: [PATCH 31/35] wireless: realtek: rtl8187: constify usb_device_id

On Tue, 8/8/17, Arvind Yadav wrote: Subject: [PATCH 31/35] wireless: realtek: rtl8187: constify usb_device_id To: kv...@codeaurora.org, her...@canonical.com, ht...@users.sourceforge.net, larry.fin...@lwfinger.net Cc:

Re: [patch 14/41] x86/smp: Use static key for reschedule interrupt tracing

On Fri, 25 Aug 2017 22:07:33 +0200 (CEST) Thomas Gleixner wrote: > Fixed up version below. > Reviewed-by: Steven Rostedt (VMware) -- Steve > Thanks, > > tglx > 8<- > --- a/arch/x86/include/asm/hw_irq.h > +++

Re: [patch 15/41] x86/idt: Remove tracing idt completely

On Fri, 25 Aug 2017, Thomas Gleixner wrote: > On Fri, 25 Aug 2017, Steven Rostedt wrote: > > On Fri, 25 Aug 2017 12:31:18 +0200 > > Thomas Gleixner wrote: > > > > > No more users of the tracing idt. All exception tracepoints have been > > > moved > > > into the regular

Re: [PATCH v3] gpio: uniphier: add UniPhier GPIO controller driver

On Wed, Aug 23, 2017 at 01:16:41AM +0900, Masahiro Yamada wrote: > This GPIO controller device is used on UniPhier SoCs. > > Signed-off-by: Masahiro Yamada > --- > > Changes in v3: > - Add .irq_set_affinity() hook > - Use irq_domain_create_hierarchy() instead

Re: [PATCH v6] mtd: sharpslpart: Add sharpslpart partition parser

On Fri, 25 Aug 2017 19:50:25 +0200 Andrea Adami wrote: > On Fri, Aug 25, 2017 at 6:53 AM, Brian Norris > wrote: > > On Thu, Aug 24, 2017 at 01:27:10PM +0200, Boris Brezillon wrote: > >> On Thu, 24 Aug 2017 12:30:02 +0200 > >> Andrea Adami

[RFC][PATCH] time: Fix ktime_get_raw() issues caused by incorrect base accumulation

In commit fc6eead7c1e2 ("time: Clean up CLOCK_MONOTONIC_RAW time handling"), I mistakenly added the following: /* Update the monotonic raw base */ seconds = tk->raw_sec; nsec = (u32)(tk->tkr_raw.xtime_nsec >> tk->tkr_raw.shift); tk->tkr_raw.base = ns_to_ktime(seconds * NSEC_PER_SEC + nsec);

Re: + mm-madvise-fix-freeing-of-locked-page-with-madv_free.patch added to -mm tree

On 08/25/2017 03:51 PM, Nadav Amit wrote: > Mike Kravetz wrote: > >> On 08/25/2017 03:02 PM, Nadav Amit wrote: >>> Michal Hocko wrote: >>> Hmm, I do not see this neither in linux-mm nor LKML. Strange On Wed 23-08-17 14:41:21, Andrew

Re: [RFC 1/3] dt-bindings: interrupt-controller: Add Realtek RTD1295

Am 22.08.2017 um 04:14 schrieb Rob Herring: > On Thu, Aug 17, 2017 at 12:11:38PM +0200, Andreas Färber wrote: >> Add binding for Realtek RTD1295 IRQ mux. >> >> Signed-off-by: Andreas Färber >> --- >> .../interrupt-controller/realtek,rtd119x-mux.txt | 28 >>

[tip:x86/cache] x86/intel_rdt: Move special case code for Haswell to a quirk function

Commit-ID: 0576113a387e0c8a5d9e24b4cd62605d1c9c0db8 Gitweb: http://git.kernel.org/tip/0576113a387e0c8a5d9e24b4cd62605d1c9c0db8 Author: Tony Luck AuthorDate: Thu, 24 Aug 2017 09:26:50 -0700 Committer: Thomas Gleixner CommitDate: Fri, 25 Aug 2017

Re: [patch 14/41] x86/smp: Use static key for reschedule interrupt tracing

On Fri, 25 Aug 2017, Steven Rostedt wrote: > On Fri, 25 Aug 2017 12:31:17 +0200 > Thomas Gleixner wrote: > > > > -__visible void __irq_entry smp_trace_reschedule_interrupt(struct pt_regs > > *regs) > > -{ > > - /* > > -* Need to call irq_enter() before calling the

[PATCH 0/3] SCSI-sg: Adjustments for two function implementations

From: Markus Elfring Date: Fri, 25 Aug 2017 22:20:02 +0200 A few update suggestions were taken into account from static source code analysis. Markus Elfring (3): Delete an error message for a failed memory allocation in sg_alloc() Improve a size determination

Re: [PATCHi v2] arc: Mask individual IRQ lines during core INTC init

On 08/25/2017 07:22 AM, Alexey Brodkin wrote: From: Alexey Brodkin ARC cores on reset have all interrupt lines of built-in INTC enabled. Which means once we globally enable interrupts (very early on boot) faulty hardware blocks may trigger an interrupt that Linux

Re: [PATCH 0/7] sched/deadline: fix cpusets bandwidth accounting

On 25 August 2017 at 03:52, Luca Abeni wrote: > On Fri, 25 Aug 2017 08:02:43 +0200 > luca abeni wrote: > [...] >> > The above demonstrate that even if we have two CPUsets new task belong >> > to the "default" CPUset and as such can use all

[tip:irq/core] genirq: Fix semicolon.cocci warnings

Commit-ID: ce8bdd6957202a38d67038e5ec940eed50f9f3eb Gitweb: http://git.kernel.org/tip/ce8bdd6957202a38d67038e5ec940eed50f9f3eb Author: kbuild test robot AuthorDate: Tue, 22 Aug 2017 15:50:53 +0800 Committer: Thomas Gleixner CommitDate: Fri,

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