Subject: Re: [PATCH v6 04/21] arm64: Kill 32-bit applications scheduled on 64-bit-only CPUs

From: Catalin Marinas <[email-masked]>
Date: Fri, 21 May 2021 11:55:37 +0100

On Tue, May 18, 2021 at 10:47:08AM +0100, Will Deacon wrote:
> Scheduling a 32-bit application on a 64-bit-only CPU is a bad idea.
> 
> Ensure that 32-bit applications always take the slow-path when returning
> to userspace on a system with mismatched support at EL0, so that we can
> avoid trying to run on a 64-bit-only CPU and force a SIGKILL instead.
> 
> Signed-off-by: Will Deacon <[email-masked]>

Reviewed-by: Catalin Marinas <[email-masked]>

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