Re: [PATCH RFC/RFT v2 1/2] mm: helper `is_shadow_stack_vma` to check shadow stack vma

[Mark Brown]

On Wed, Oct 16, 2024 at 02:57:33PM -0700, Deepak Gupta wrote:
> VM_SHADOW_STACK (alias to VM_HIGH_ARCH_5) is used to encode shadow stack
> VMA on three architectures (x86 shadow stack, arm GCS and RISC-V shadow
> stack). In case architecture doesn't implement shadow stack, it's VM_NONE
> Introducing a helper `is_shadow_stack_vma` to determine shadow stack vma
> or not.

Reviewed-by: Mark Brown <broonie@xxxxxxxxxx>

though

> @@ -387,7 +392,6 @@ static inline bool is_data_mapping(vm_flags_t flags)
>  	return (flags & (VM_WRITE | VM_SHARED | VM_STACK)) == VM_WRITE;
>  }
>  
> -
>  static inline void vma_iter_config(struct vma_iterator *vmi,
>  		unsigned long index, unsigned long last)
>  {
> 

Unrelated (but reasonable) whitespace change.

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