Hari Bathini writes:
> With commit b33f778bba5ef ("kfence: alloc kfence_pool after system
> startup"), KFENCE pool can be allocated after system startup via the
> page allocator. This can lead to problems as all memory is not mapped
> at page granularity anymore with CONFIG_KFENCE. Address this b
On Tue, 30 Apr 2024 14:10:27 +0200,
Wolfram Sang wrote:
>
> There is a confusing pattern in the kernel to use a variable named 'timeout'
> to
> store the result of wait_for_completion_timeout() causing patterns like:
>
> timeout = wait_for_completion_timeout(...)
> if (!timeout) retu
On Sun, 28 Apr 2024 03:31:11 +
"Duan, Zhenzhong" wrote:
> Hi Jonathan,
>
> >-Original Message-
> >From: Jonathan Cameron
> >Subject: Re: [PATCH v3 1/3] PCI/AER: Store UNCOR_STATUS bits that might
> >be ANFE in aer_err_info
> >
> >On Tue, 23 Apr 2024 02:25:05 +
> >"Duan, Zhenzhon
allnoconfig gcc
arc allyesconfig gcc
arc axs103_defconfig gcc
arc defconfig gcc
arc randconfig-001-20240501 gcc
arc randconfig-002-20240501
On Tue, Apr 30, 2024 at 03:05:34PM -0500, Shivaprasad G Bhat wrote:
> RFC v1 was posted here [1]. As I was testing more and fixing the
> issues, I realized its clean to have the table_group_ops implemented
> the way it is done on PowerNV and stop 'borrowing' the DMA windows
> for pSeries.
>
> This
On Wed, May 01, 2024, Oliver Upton wrote:
> On Tue, Apr 30, 2024 at 12:31:53PM -0700, Sean Christopherson wrote:
> > Drop kvm_arch_sched_in() and instead pass a @sched_in boolean to
> > kvm_arch_vcpu_load().
> >
> > While fiddling with an idea for optimizing state management on AMD CPUs,
> > I wan
Hi Michael,
On Wed, May 01, 2024 at 12:04:40AM +1000, Michael Ellerman wrote:
> With -Wextra clang warns about pointer arithmetic using a null pointer.
> When building with CONFIG_PCI=n, that triggers a warning in the IO
> accessors, eg:
>
> In file included from linux/arch/powerpc/include/asm/
If an error happens in ftrace, ftrace_kill() will prevent disarming
kprobes. Eventually, the ftrace_ops associated with the kprobes will be
freed, yet the kprobes will still be active, and when triggered, they
will use the freed memory, likely resulting in a page fault and panic.
This behavior can
On Wed, 1 May 2024 09:29:56 -0700
Stephen Brennan wrote:
> If an error happens in ftrace, ftrace_kill() will prevent disarming
> kprobes. Eventually, the ftrace_ops associated with the kprobes will be
> freed, yet the kprobes will still be active, and when triggered, they
> will use the freed me
On Thu, May 2, 2024 at 12:30 AM Stephen Brennan
wrote:
>
> If an error happens in ftrace, ftrace_kill() will prevent disarming
> kprobes. Eventually, the ftrace_ops associated with the kprobes will be
> freed, yet the kprobes will still be active, and when triggered, they
> will use the freed memo
On Wed, May 01, 2024 at 07:28:21AM -0700, Sean Christopherson wrote:
> On Wed, May 01, 2024, Oliver Upton wrote:
> > On Tue, Apr 30, 2024 at 12:31:53PM -0700, Sean Christopherson wrote:
> > > Drop kvm_arch_sched_in() and instead pass a @sched_in boolean to
> > > kvm_arch_vcpu_load().
> > >
> > > W
On Thu, 2 May 2024 01:35:16 +0800
Guo Ren wrote:
> On Thu, May 2, 2024 at 12:30 AM Stephen Brennan
> wrote:
> >
> > If an error happens in ftrace, ftrace_kill() will prevent disarming
> > kprobes. Eventually, the ftrace_ops associated with the kprobes will be
> > freed, yet the kprobes will stil
Nathan Chancellor writes:
> Hi Michael,
>
> On Wed, May 01, 2024 at 12:04:40AM +1000, Michael Ellerman wrote:
...
>> diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
>> index 08c550ed49be..1cd6eb6c8101 100644
>> --- a/arch/powerpc/include/asm/io.h
>> +++ b/arch/powerpc/in
On 2/5/24 00:09, Jason Gunthorpe wrote:
On Tue, Apr 30, 2024 at 03:05:34PM -0500, Shivaprasad G Bhat wrote:
RFC v1 was posted here [1]. As I was testing more and fixing the
issues, I realized its clean to have the table_group_ops implemented
the way it is done on PowerNV and stop 'borrowing'
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