> On Mar 29, 2021, at 2:55 PM, Marco Elver wrote:
>
> On Mon, 29 Mar 2021 at 23:47, Andy Lutomirski wrote:
>>
>>
On Mar 29, 2021, at 2:34 PM, Marco Elver wrote:
>>>
>>> On Mon, 29 Mar 2021 at 23:03, Dave Hansen wrote:
> On 3/29/21 10:45 AM, Marco Elver wrote:
>> On Mon, 29
On Mon, 29 Mar 2021 at 23:47, Andy Lutomirski wrote:
>
>
> > On Mar 29, 2021, at 2:34 PM, Marco Elver wrote:
> >
> > On Mon, 29 Mar 2021 at 23:03, Dave Hansen wrote:
> >>> On 3/29/21 10:45 AM, Marco Elver wrote:
> On Mon, 29 Mar 2021 at 19:32, Dave Hansen wrote:
> >>> Doing it to all
> On Mar 29, 2021, at 2:34 PM, Marco Elver wrote:
>
> On Mon, 29 Mar 2021 at 23:03, Dave Hansen wrote:
>>> On 3/29/21 10:45 AM, Marco Elver wrote:
On Mon, 29 Mar 2021 at 19:32, Dave Hansen wrote:
>>> Doing it to all CPUs is too expensive, and we can tolerate this being
>>> approximate
On Mon, 29 Mar 2021 at 23:03, Dave Hansen wrote:
> On 3/29/21 10:45 AM, Marco Elver wrote:
> > On Mon, 29 Mar 2021 at 19:32, Dave Hansen wrote:
> > Doing it to all CPUs is too expensive, and we can tolerate this being
> > approximate (nothing bad will happen, KFENCE might just miss a bug and
> >
On 3/29/21 10:45 AM, Marco Elver wrote:
> On Mon, 29 Mar 2021 at 19:32, Dave Hansen wrote:
> Doing it to all CPUs is too expensive, and we can tolerate this being
> approximate (nothing bad will happen, KFENCE might just miss a bug and
> that's ok).
...
>> BTW, the preempt checks in
On Mon, 29 Mar 2021 at 19:32, Dave Hansen wrote:
>
> On 3/29/21 9:40 AM, Marco Elver wrote:
> > It looks like the code path from flush_tlb_one_kernel() to
> > invalidate_user_asid()'s this_cpu_ptr() has several feature checks, so
> > probably some feature difference between systems where it
On 3/29/21 9:40 AM, Marco Elver wrote:
> It looks like the code path from flush_tlb_one_kernel() to
> invalidate_user_asid()'s this_cpu_ptr() has several feature checks, so
> probably some feature difference between systems where it triggers and
> it doesn't.
>
> As far as I'm aware, there is no
[+Cc x86 maintainers]
On Mon, Mar 29, 2021 at 11:11AM +, Sarvela, Tomi P wrote:
> Hello,
>
> I'm Tomi Sarvela, maintainer and original creator of linux i915-CI:
> https://intel-gfx-ci.01.org/
>
> I got a hint from Martin Peres about kfence functionality in kernel, and it
> looked
>
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