[PATCH] arm64: uaccess: avoid blocking within critical sections

Will Deacon will at kernel.org
Wed Nov 24 03:10:46 PST 2021


On Mon, 22 Nov 2021 12:58:20 +0000, Mark Rutland wrote:
> As Vincent reports in:
> 
>   https://lore.kernel.org/r/20211118163417.21617-1-vincent.whitchurch@axis.com
> 
> The put_user() in schedule_tail() can get stuck in a livelock, similar
> to a problem recently fixed on riscv in commit:
> 
> [...]

Applied to arm64 (for-next/fixes), thanks!

[1/1] arm64: uaccess: avoid blocking within critical sections
      https://git.kernel.org/arm64/c/94902d849e85

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev



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