Re: [PATCH] arm64: kasan: clear stale stack poison

[Catalin Marinas]

On Thu, Feb 18, 2016 at 05:27:38PM +0000, Mark Rutland wrote:
> @@ -145,6 +146,7 @@ ENTRY(cpu_resume_mmu)
>  ENDPROC(cpu_resume_mmu)
>  	.popsection
>  cpu_resume_after_mmu:
> +	kasan_unpoison_stack 96

I don't think the 96 here is needed since we populate the stack in
assembly (__cpu_suspend_enter) and unwind it again still in assembly
(cpu_resume_after_mmu), so no KASAN shadow writes/reads.

Otherwise the patch looks fine.

-- 
Catalin