flush_tlb_page() was very similar to flush_tlb_mm_range() except that
it had a couple of issues:
- It was missing an smp_mb() in the case where
current->active_mm != mm. (This is a longstanding bug reported by
Nadav Amit.)
- It was missing tracepoints and vm counter updates.
The only re
On Sun, May 07, 2017 at 05:38:30AM -0700, Andy Lutomirski wrote:
> flush_tlb_page() was very similar to flush_tlb_mm_range() except that
> it had a couple of issues:
>
> - It was missing an smp_mb() in the case where
>current->active_mm != mm. (This is a longstanding bug reported by
>Nad
On Thu, May 11, 2017 at 10:41 AM, Borislav Petkov wrote:
>> +{
>> + flush_tlb_mm_range(vma->vm_mm, a, a + PAGE_SIZE, 0);
>
> VM_NONE);
>
Fixed, although this won't have any effect.
--Andy
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