> > Thanks for doing this implementation! One reason usercopy hardening
> > didn't persue doing a "full" stacktrace was because it seemed relatively
> > expensive. Did you do any usercopy-heavily workload testing to see if
> > there was a noticeable performance impact?
Look at anything that uses s
Hello Thomas,
Thanks a lot for re-spinning your series.
On 4/19/22 12:04, Thomas Zimmermann wrote:
> A workaround makes fbdev hot-unplugging work for framebuffers without
> device. The only user for this feature was offb. As each OF framebuffer
> now has an associated platform device, the workaro
Hi!
> From: Minghao Chi
>
> Using pm_runtime_resume_and_get is more appropriate
> for simplifing code
>
> Reported-by: Zeal Robot
> Signed-off-by: Minghao Chi
> ---
> sound/soc/fsl/fsl_esai.c | 6 ++
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/sound/soc/fsl/fsl_es
Queued, thanks.
Paolo
This is a partial revert of commit 0faf20a1ad16 ("powerpc/64s/interrupt:
Don't enable MSR[EE] in irq handlers unless perf is in use").
Prior to that commit, we always set the decrementer in
timer_interrupt(), to clear the timer interrupt. Otherwise we could end
up continuously taking timer interru
Hello,
On Thu, Apr 21, 2022 at 12:16:57AM +1000, Michael Ellerman wrote:
> This is a partial revert of commit 0faf20a1ad16 ("powerpc/64s/interrupt:
> Don't enable MSR[EE] in irq handlers unless perf is in use").
>
> Prior to that commit, we always set the decrementer in
> timer_interrupt(), to cl
On 3/29/22 18:43, David Hildenbrand wrote:
> Currently, we clear PG_anon_exclusive in try_to_unmap() and forget about
> it. We do this, to keep fork() logic on swap entries easy and efficient:
> for example, if we wouldn't clear it when unmapping, we'd have to lookup
> the page in the swapcache for
On 20.04.22 19:10, Vlastimil Babka wrote:
> On 3/29/22 18:43, David Hildenbrand wrote:
>> Currently, we clear PG_anon_exclusive in try_to_unmap() and forget about
>> it. We do this, to keep fork() logic on swap entries easy and efficient:
>> for example, if we wouldn't clear it when unmapping, we'd
On 3/29/22 18:43, David Hildenbrand wrote:
> Let's test that __HAVE_ARCH_PTE_SWP_EXCLUSIVE works as expected.
>
> Signed-off-by: David Hildenbrand
Acked-by: Vlastimil Babka
> ---
> mm/debug_vm_pgtable.c | 15 +++
> 1 file changed, 15 insertions(+)
>
> diff --git a/mm/debug_vm_pgt
Linus Walleij writes:
> On Wed, Apr 6, 2022 at 3:02 PM Andy Shevchenko
> wrote:
>> On Mon, Mar 28, 2022 at 03:16:08PM +0200, Linus Walleij wrote:
>> > On Wed, Mar 23, 2022 at 6:43 PM Andy Shevchenko
>> > wrote:
>> >
>> > > Let GPIO library to assign of_node from the parent device.
>> > > This al
Hangyu Hua writes:
> info_release() will be called in device_unregister() when info->dev's
> reference count is 0. So there is no need to call ocxl_afu_put() and
> kfree() again.
Double frees are often exploitable. But it looks to me like this error
path is not easily reachable by an attacker.
o
Excerpts from Michael Ellerman's message of April 21, 2022 12:16 am:
> This is a partial revert of commit 0faf20a1ad16 ("powerpc/64s/interrupt:
> Don't enable MSR[EE] in irq handlers unless perf is in use").
>
> Prior to that commit, we always set the decrementer in
> timer_interrupt(), to clear t
Excerpts from Michal Suchánek's message of April 21, 2022 12:28 am:
> Hello,
>
> On Thu, Apr 21, 2022 at 12:16:57AM +1000, Michael Ellerman wrote:
>> This is a partial revert of commit 0faf20a1ad16 ("powerpc/64s/interrupt:
>> Don't enable MSR[EE] in irq handlers unless perf is in use").
>>
>> Pri
On 2022/4/21 06:54, Michael Ellerman wrote:
Hangyu Hua writes:
info_release() will be called in device_unregister() when info->dev's
reference count is 0. So there is no need to call ocxl_afu_put() and
kfree() again.
Double frees are often exploitable. But it looks to me like this error
path
No need to add null check before call of_node_put(), since the
implementation of of_node_put() has done it.
Signed-off-by: Haowen Bai
---
sound/soc/fsl/imx-hdmi.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/sound/soc/fsl/imx-hdmi.c b/sound/soc/fsl/imx-hdmi.c
index e1013
No need to add null check before call of_node_put(), since the
implementation of of_node_put() has done it.
Signed-off-by: Haowen Bai
---
arch/powerpc/kernel/pci_dn.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn
The "read_bhrb" global symbol is only called under CONFIG_PPC64 of
arch/powerpc/perf/core-book3s.c but it is compiled for both 32 and 64 bit
anyway (and LLVM fails to link this on 32bit).
This fixes it by moving bhrb.o to obj64 targets.
Signed-off-by: Alexey Kardashevskiy
---
arch/powerpc/perf/
Michal Suchánek writes:
> Hello,
>
> On Thu, Apr 21, 2022 at 12:16:57AM +1000, Michael Ellerman wrote:
>> This is a partial revert of commit 0faf20a1ad16 ("powerpc/64s/interrupt:
>> Don't enable MSR[EE] in irq handlers unless perf is in use").
>>
>> Prior to that commit, we always set the decreme
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