It's possible for an interrupt returning to an irqs-disabled context to
lose a pending soft-masked irq because it branches to part of the exit
code for irqs-enabled contexts, which is meant to clear only the
PACA_IRQS_HARD_DIS flag from PACAIRQHAPPENED by zeroing the byte. This
just looks like a si
On Thu, Oct 13, 2022, at 12:08 AM, Michael S. Tsirkin wrote:
> On Wed, Oct 12, 2022 at 11:06:54PM +0200, Arnd Bergmann wrote:
>> On Wed, Oct 12, 2022, at 7:22 PM, Linus Torvalds wrote:
>> >
>> > The NO_IRQ thing is mainly actually defined by a few drivers that just
>> > never got converted to the p
On Thu Oct 13, 2022 at 10:21 AM AEST, Guenter Roeck wrote:
> On Thu, Oct 13, 2022 at 11:03:34AM +1100, Michael Ellerman wrote:
> > Guenter Roeck writes:
> > > On Wed, Oct 12, 2022 at 11:20:38AM -0600, Jason A. Donenfeld wrote:
> > >>
> > >> I've also managed to not hit this bug a few times. When
On 10/12/22 22:03, Nicholas Piggin wrote:
On Thu Oct 13, 2022 at 10:21 AM AEST, Guenter Roeck wrote:
On Thu, Oct 13, 2022 at 11:03:34AM +1100, Michael Ellerman wrote:
Guenter Roeck writes:
On Wed, Oct 12, 2022 at 11:20:38AM -0600, Jason A. Donenfeld wrote:
I've also managed to not hit this
On Thu, Oct 13, 2022 at 03:03:14PM +1000, Nicholas Piggin wrote:
> On Thu Oct 13, 2022 at 10:21 AM AEST, Guenter Roeck wrote:
> > On Thu, Oct 13, 2022 at 11:03:34AM +1100, Michael Ellerman wrote:
> > > Guenter Roeck writes:
> > > > On Wed, Oct 12, 2022 at 11:20:38AM -0600, Jason A. Donenfeld wrote
On Thu Oct 13, 2022 at 4:37 AM AEST, Jason A. Donenfeld wrote:
> On Wed, Oct 12, 2022 at 10:48:26AM -0700, Guenter Roeck wrote:
> > > I've also managed to not hit this bug a few times. When it triggers,
> > > after "kprobes: kprobe jump-optimization is enabled. All kprobes are
> > > optimized if po
On Thu Oct 13, 2022 at 2:43 PM AEST, Guenter Roeck wrote:
> On 10/12/22 10:20, Jason A. Donenfeld wrote:
> > On Wed, Oct 12, 2022 at 09:44:52AM -0700, Guenter Roeck wrote:
> >> On Wed, Oct 12, 2022 at 09:49:26AM -0600, Jason A. Donenfeld wrote:
> >>> On Wed, Oct 12, 2022 at 07:18:27AM -0700, Guente
On Thu Oct 13, 2022 at 10:21 AM AEST, Guenter Roeck wrote:
> On Thu, Oct 13, 2022 at 11:03:34AM +1100, Michael Ellerman wrote:
> > Guenter Roeck writes:
> > > On Wed, Oct 12, 2022 at 11:20:38AM -0600, Jason A. Donenfeld wrote:
> > >>
> > >> I've also managed to not hit this bug a few times. When
On 10/12/22 10:20, Jason A. Donenfeld wrote:
On Wed, Oct 12, 2022 at 09:44:52AM -0700, Guenter Roeck wrote:
On Wed, Oct 12, 2022 at 09:49:26AM -0600, Jason A. Donenfeld wrote:
On Wed, Oct 12, 2022 at 07:18:27AM -0700, Guenter Roeck wrote:
NIP [c0031630] .replay_soft_interrupts+0x60/0x3
Josh Poimboeuf wrote:
On Tue, Oct 11, 2022 at 01:20:02PM -0700, Josh Poimboeuf wrote:
On Mon, Oct 10, 2022 at 05:19:02PM +0530, Naveen N. Rao wrote:
> All the above changes are down to compiler optimizations and shuffling due
> to CONFIG_OBJTOOL being enabled and changing annotate_unreachable().
nit
x86_64 rhel-8.3-kvm
riscvrandconfig-r042-20221012
arc randconfig-r043-20221012
x86_64 defconfig
arc defconfig
s390 randconfig-r044-20221012
alpha defconf
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
fixes-test
branch HEAD: e237506238352f3bfa9cf3983cdab873e35651eb powerpc/32: fix syscall
wrappers with 64-bit arguments of unaligned register-pairs
elapsed time: 728m
configs tested: 2
configs skipped: 96
The follo
On Wed, 2022-10-12 at 21:29 +, David Laight wrote:
> From: Joe Perches
> > Sent: 12 October 2022 20:17
> >
> > On Wed, 2022-10-05 at 23:48 +0200, Jason A. Donenfeld wrote:
> > > The prandom_u32() function has been a deprecated inline wrapper around
> > > get_random_u32() for several releases n
On Thu, Oct 13, 2022 at 11:03:34AM +1100, Michael Ellerman wrote:
> Guenter Roeck writes:
> > On Wed, Oct 12, 2022 at 11:20:38AM -0600, Jason A. Donenfeld wrote:
> >>
> >> I've also managed to not hit this bug a few times. When it triggers,
> >> after "kprobes: kprobe jump-optimization is enabled
On Tue, Oct 11, 2022 at 01:20:02PM -0700, Josh Poimboeuf wrote:
> On Mon, Oct 10, 2022 at 05:19:02PM +0530, Naveen N. Rao wrote:
> > All the above changes are down to compiler optimizations and shuffling due
> > to CONFIG_OBJTOOL being enabled and changing annotate_unreachable().
> >
> > As such,
Guenter Roeck writes:
> On Wed, Oct 12, 2022 at 11:20:38AM -0600, Jason A. Donenfeld wrote:
>>
>> I've also managed to not hit this bug a few times. When it triggers,
>> after "kprobes: kprobe jump-optimization is enabled. All kprobes are
>> optimized if possible.", there's a long hang - tens sec
On Wed, Oct 12, 2022 at 11:20:38AM -0600, Jason A. Donenfeld wrote:
>
> I've also managed to not hit this bug a few times. When it triggers,
> after "kprobes: kprobe jump-optimization is enabled. All kprobes are
> optimized if possible.", there's a long hang - tens seconds before it
> continues. W
On Wed, Oct 12, 2022 at 11:06:54PM +0200, Arnd Bergmann wrote:
> On Wed, Oct 12, 2022, at 7:22 PM, Linus Torvalds wrote:
> >
> > The NO_IRQ thing is mainly actually defined by a few drivers that just
> > never got converted to the proper world order, and even then you can
> > see the confusion (ie
From: Joe Perches
> Sent: 12 October 2022 20:17
>
> On Wed, 2022-10-05 at 23:48 +0200, Jason A. Donenfeld wrote:
> > The prandom_u32() function has been a deprecated inline wrapper around
> > get_random_u32() for several releases now, and compiles down to the
> > exact same code. Replace the depre
On Wed, Oct 12, 2022, at 7:22 PM, Linus Torvalds wrote:
>
> The NO_IRQ thing is mainly actually defined by a few drivers that just
> never got converted to the proper world order, and even then you can
> see the confusion (ie some drivers use "-1", others use "0", and yet
> others use "((unsigned i
On Wed, Oct 12, 2022 at 02:16:29PM +0200, Peter Zijlstra wrote:
> That's the intent yeah. But due to not always holding ctx->mutex over
> put_pmu_ctx() this might be moot. I'm almost through auditing epc usage
> and I think ctx->lock is sufficient, fingers crossed.
So the very last epc usage thre
On Wed, 2022-10-05 at 23:48 +0200, Jason A. Donenfeld wrote:
> The prandom_u32() function has been a deprecated inline wrapper around
> get_random_u32() for several releases now, and compiles down to the
> exact same code. Replace the deprecated wrapper with a direct call to
> the real function.
[]
On Wed, Oct 12, 2022 at 10:48:26AM -0700, Guenter Roeck wrote:
> > I've also managed to not hit this bug a few times. When it triggers,
> > after "kprobes: kprobe jump-optimization is enabled. All kprobes are
> > optimized if possible.", there's a long hang - tens seconds before it
> > continues. W
On Wed, Oct 12, 2022 at 11:20:38AM -0600, Jason A. Donenfeld wrote:
> On Wed, Oct 12, 2022 at 09:44:52AM -0700, Guenter Roeck wrote:
> > On Wed, Oct 12, 2022 at 09:49:26AM -0600, Jason A. Donenfeld wrote:
> > > On Wed, Oct 12, 2022 at 07:18:27AM -0700, Guenter Roeck wrote:
> > > > NIP [c003
On Wed, Oct 12, 2022 at 8:51 AM Michael S. Tsirkin wrote:
>
> Are you sure?
MichaelE is right.
This is just bogus historical garbage:
> arch/arm/include/asm/irq.h:#ifndef NO_IRQ
> arch/arm/include/asm/irq.h:#define NO_IRQ ((unsigned int)(-1))
that I've tried to get rid of for years, but
On Wed, Oct 12, 2022 at 09:44:52AM -0700, Guenter Roeck wrote:
> On Wed, Oct 12, 2022 at 09:49:26AM -0600, Jason A. Donenfeld wrote:
> > On Wed, Oct 12, 2022 at 07:18:27AM -0700, Guenter Roeck wrote:
> > > NIP [c0031630] .replay_soft_interrupts+0x60/0x300
> > > LR [c0031964] .arch_l
On Wed, Oct 12, 2022 at 10:45:46AM -0600, Jason A. Donenfeld wrote:
> On Wed, Oct 12, 2022 at 09:49:26AM -0600, Jason A. Donenfeld wrote:
> > On Wed, Oct 12, 2022 at 07:18:27AM -0700, Guenter Roeck wrote:
> > > NIP [c0031630] .replay_soft_interrupts+0x60/0x300
> > > LR [c0031964] .a
On Wed, Oct 12, 2022 at 09:49:26AM -0600, Jason A. Donenfeld wrote:
> On Wed, Oct 12, 2022 at 07:18:27AM -0700, Guenter Roeck wrote:
> > NIP [c0031630] .replay_soft_interrupts+0x60/0x300
> > LR [c0031964] .arch_local_irq_restore+0x94/0x1c0
> > Call Trace:
> > [c7df3870] [c00
On Wed, Oct 12, 2022 at 09:49:26AM -0600, Jason A. Donenfeld wrote:
> On Wed, Oct 12, 2022 at 07:18:27AM -0700, Guenter Roeck wrote:
> > NIP [c0031630] .replay_soft_interrupts+0x60/0x300
> > LR [c0031964] .arch_local_irq_restore+0x94/0x1c0
> > Call Trace:
> > [c7df3870] [c00
On Wed, Oct 12, 2022 at 05:59:45PM +0300, Ville Syrjälä wrote:
> On Wed, Oct 12, 2022 at 04:31:14PM +0200, Thomas Zimmermann wrote:
> > Hi
> >
> > Am 12.10.22 um 15:12 schrieb Arnd Bergmann:
> > > On Wed, Oct 12, 2022, at 2:00 PM, Thomas Zimmermann wrote:
> > >>
> > >> Could well be. But ofdrm int
On Thu, Oct 13, 2022 at 01:33:59AM +1100, Michael Ellerman wrote:
> Michael Ellerman writes:
> > [ Cc += Bjorn & linux-pci ]
> >
> > "Michael S. Tsirkin" writes:
> >> On Wed, Oct 12, 2022 at 05:21:24PM +1100, Michael Ellerman wrote:
> >>> "Michael S. Tsirkin" writes:
> > ...
> >>> >
On Wed, Oct 12, 2022 at 07:18:27AM -0700, Guenter Roeck wrote:
> NIP [c0031630] .replay_soft_interrupts+0x60/0x300
> LR [c0031964] .arch_local_irq_restore+0x94/0x1c0
> Call Trace:
> [c7df3870] [c0031964] .arch_local_irq_restore+0x94/0x1c0
> (unreliable)
> [c
Michael Ellerman writes:
> [ Cc += Bjorn & linux-pci ]
>
> "Michael S. Tsirkin" writes:
>> On Wed, Oct 12, 2022 at 05:21:24PM +1100, Michael Ellerman wrote:
>>> "Michael S. Tsirkin" writes:
> ...
>>> >
>>> > virtio: fixes, features
Hi
Am 12.10.22 um 15:12 schrieb Arnd Bergmann:
On Wed, Oct 12, 2022, at 2:00 PM, Thomas Zimmermann wrote:
Could well be. But ofdrm intents to replace offb and this test has
worked well in offb for almost 15 yrs. If there are bug reports, I'm
happy to take patches, but until then I see no reaso
Hello,
On Wed, Oct 12, 2022 at 03:12:35PM +0200, Arnd Bergmann wrote:
> On Wed, Oct 12, 2022, at 2:00 PM, Thomas Zimmermann wrote:
> >
> > Could well be. But ofdrm intents to replace offb and this test has
> > worked well in offb for almost 15 yrs. If there are bug reports, I'm
> > happy to take
On Sun, Oct 09, 2022 at 10:01:39PM +1100, Michael Ellerman wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
> Hi Linus,
>
> Please pull powerpc updates for 6.1.
>
> No conflicts with your tree. There will be a conflict when you merge the
> kbuild tree, due
> to us renaming head_fsl_
Josh Poimboeuf wrote:
On Mon, Oct 10, 2022 at 05:07:46PM +0530, Naveen N. Rao wrote:
> +++ b/scripts/Makefile.lib
> @@ -234,6 +234,7 @@ objtool_args =
\
>$(if $(CONFIG_HAVE_NOINSTR_HACK), --hacks=noinstr) \
>$(if $(CON
[ Cc += Bjorn & linux-pci ]
"Michael S. Tsirkin" writes:
> On Wed, Oct 12, 2022 at 05:21:24PM +1100, Michael Ellerman wrote:
>> "Michael S. Tsirkin" writes:
...
>> >
>> > virtio: fixes, features
>> >
>> > 9k mtu perf improvements
>
On Wed, Oct 12, 2022, at 2:00 PM, Thomas Zimmermann wrote:
>
> Could well be. But ofdrm intents to replace offb and this test has
> worked well in offb for almost 15 yrs. If there are bug reports, I'm
> happy to take patches, but until then I see no reason to change it.
I wouldn't change the cod
On Wed, Oct 12, 2022 at 02:09:00PM +0530, Ravi Bangoria wrote:
> > @@ -3366,6 +3370,14 @@ static void perf_event_sync_stat(struct
> > }
> > }
> >
> > +#define list_for_each_entry_double(pos1, pos2, head1, head2, member)
> > \
> > + for (pos1 = list_first_entry(head1, typeof(*pos1),
On Wed, Oct 12, 2022 at 10:38:29AM +0200, Arnd Bergmann wrote:
> On Wed, Oct 12, 2022, at 10:27 AM, Thomas Zimmermann wrote:
> > Am 12.10.22 um 09:44 schrieb Arnd Bergmann:
> >> On Wed, Oct 12, 2022, at 9:40 AM, Thomas Zimmermann wrote:
> >>> Am 12.10.22 um 09:17 schrieb Arnd Bergmann:
> On We
Hi
Am 12.10.22 um 10:38 schrieb Arnd Bergmann:
On Wed, Oct 12, 2022, at 10:27 AM, Thomas Zimmermann wrote:
Am 12.10.22 um 09:44 schrieb Arnd Bergmann:
On Wed, Oct 12, 2022, at 9:40 AM, Thomas Zimmermann wrote:
Am 12.10.22 um 09:17 schrieb Arnd Bergmann:
On Wed, Oct 12, 2022, at 8:46 AM, Thom
On Wed, Oct 12, 2022 at 05:21:24PM +1100, Michael Ellerman wrote:
> "Michael S. Tsirkin" writes:
> > The following changes since commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f:
> >
> > Linux 6.0 (2022-10-02 14:09:07 -0700)
> >
> > are available in the Git repository at:
> >
> > https://git.ke
On Wed, Oct 12, 2022, at 5:53 AM, Nicholas Piggin wrote:
> sync_file_range2 is not a special unaligned-odd-pair calling convention
> syscall, it's just a regular one that does not have a generic compat
> definition. Move it out of sys_ppc32.c and into syscalls.c.
>
> Signed-off-by: Nicholas Piggin
On Wed, Oct 12, 2022, at 5:53 AM, Nicholas Piggin wrote:
> powerpc 32-bit system call (and function) calling convention for 64-bit
> arguments requires the next available odd-pair (two sequential registers
> with the first being odd-numbered) from the standard register argument
> allocation.
>
> Th
Li Huafei wrote:
# echo 'p cmdline_proc_show' > kprobe_events
# echo 'p cmdline_proc_show+16' >> kprobe_events
I think we should extend multiple_kprobes selftest to also place
contiguous probes to catch such errors.
Yes. But each architecture implementation is different and it looks a
li
On 11-Oct-22 11:17 PM, Peter Zijlstra wrote:
> On Tue, Oct 11, 2022 at 04:02:56PM +0200, Peter Zijlstra wrote:
>> On Tue, Oct 11, 2022 at 06:49:55PM +0530, Ravi Bangoria wrote:
>>> On 11-Oct-22 4:59 PM, Peter Zijlstra wrote:
On Sat, Oct 08, 2022 at 11:54:24AM +0530, Ravi Bangoria wrote:
>
On Wed, Oct 12, 2022, at 10:27 AM, Thomas Zimmermann wrote:
> Am 12.10.22 um 09:44 schrieb Arnd Bergmann:
>> On Wed, Oct 12, 2022, at 9:40 AM, Thomas Zimmermann wrote:
>>> Am 12.10.22 um 09:17 schrieb Arnd Bergmann:
On Wed, Oct 12, 2022, at 8:46 AM, Thomas Zimmermann wrote:
>>>
Does qemu
Hi
Am 12.10.22 um 09:44 schrieb Arnd Bergmann:
On Wed, Oct 12, 2022, at 9:40 AM, Thomas Zimmermann wrote:
Am 12.10.22 um 09:17 schrieb Arnd Bergmann:
On Wed, Oct 12, 2022, at 8:46 AM, Thomas Zimmermann wrote:
Does qemu mark the device has having a particular endianess then, or
does it switc
On Wed, 2022-10-12 at 08:51 +0200, Christian Zigotzky wrote:
> Hi All,
>
> I use the Nemo board with a PASemi PA6T CPU and have some issues
> since the first PowerPC updates for the kernel 6.1.
>
> I successfully compiled the git kernel with the first PowerPC updates
> two days ago.
>
> Unfortun
On Wed, 2022-10-12 at 13:53 +1000, Nicholas Piggin wrote:
> powerpc 32-bit system call (and function) calling convention for 64-
> bit
> arguments requires the next available odd-pair (two sequential
> registers
> with the first being odd-numbered) from the standard register
> argument
> allocation
On Wed, Oct 12, 2022, at 9:40 AM, Thomas Zimmermann wrote:
> Am 12.10.22 um 09:17 schrieb Arnd Bergmann:
>> On Wed, Oct 12, 2022, at 8:46 AM, Thomas Zimmermann wrote:
>
>> Does qemu mark the device has having a particular endianess then, or
>> does it switch the layout of the framebuffer to match w
Hi
Am 12.10.22 um 09:17 schrieb Arnd Bergmann:
On Wed, Oct 12, 2022, at 8:46 AM, Thomas Zimmermann wrote:
Am 11.10.22 um 22:06 schrieb Arnd Bergmann:
On Tue, Oct 11, 2022, at 1:30 PM, Thomas Zimmermann wrote:
Am 11.10.22 um 09:46 schrieb Javier Martinez Canillas:
+static bool display_get_big
> -Original Message-
> From: Michael Ellerman
> Sent: Wednesday, October 12, 2022 2:21 PM
> To: Michael S. Tsirkin
> Cc: k...@vger.kernel.org; virtualizat...@lists.linux-foundation.org;
> net...@vger.kernel.org; linux-ker...@vger.kernel.org;
> alvaro.ka...@solid-run.com; Angus Chen ;
>
On Wed, Oct 12, 2022 at 08:29:39AM +0200, Arnd Bergmann wrote:
> On Tue, Oct 11, 2022, at 11:38 PM, Michal Suchánek wrote:
> > On Tue, Oct 11, 2022 at 10:06:59PM +0200, Arnd Bergmann wrote:
> >> On Tue, Oct 11, 2022, at 1:30 PM, Thomas Zimmermann wrote:
> >> > Am 11.10.22 um 09:46 schrieb Javier Ma
> -Original Message-
> From: Michael Ellerman
> Sent: Wednesday, October 12, 2022 2:21 PM
> To: Michael S. Tsirkin
> Cc: k...@vger.kernel.org; virtualizat...@lists.linux-foundation.org;
> net...@vger.kernel.org; linux-ker...@vger.kernel.org;
> alvaro.ka...@solid-run.com; Angus Chen ;
>
On Wed, Oct 12, 2022, at 8:46 AM, Thomas Zimmermann wrote:
> Am 11.10.22 um 22:06 schrieb Arnd Bergmann:
>> On Tue, Oct 11, 2022, at 1:30 PM, Thomas Zimmermann wrote:
>>> Am 11.10.22 um 09:46 schrieb Javier Martinez Canillas:
> +static bool display_get_big_endian_of(struct drm_device *dev, stru
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