[PATCH v9 01/26] mm: helper `is_shadow_stack_vma` to check shadow stack vma

Deepak Gupta debug at rivosinc.com
Fri Feb 7 14:44:48 PST 2025


On Fri, Feb 07, 2025 at 08:06:59PM +0000, Mark Brown wrote:
>On Fri, Feb 07, 2025 at 10:27:10AM +0100, Vlastimil Babka wrote:
>> On 2/5/25 02:21, Deepak Gupta wrote:
>> > VM_SHADOW_STACK (alias to VM_HIGH_ARCH_5) is used to encode shadow stack
>
>> I see that arm GCS uses VM_HIGH_ARCH_6.
>
>That'll be bitrot in the changelog, it was originally VM_HIGH_ARCH_5 on
>arm64 as well but we had to renumber due to the addition of
>VM_MTE_ALLOWED while the GCS series was on the list.  The changelog just
>shouldn't mention VM_HIGH_ARCH_x, it's not particularly relevant here.

Yeah noted. Thanks.



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