linux-kernel - Re: [PATCH v2] mm: Fix use

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Message-ID: <202002261336.7A72F3C@keescook>
Date:   Wed, 26 Feb 2020 13:36:53 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, luto@...capital.net, axboe@...nel.dk,
        torvalds@...ux-foundation.org, jannh@...gle.com, will@...nel.org
Subject: Re: [PATCH v2] mm: Fix use_mm() vs TLB invalidate

On Wed, Feb 26, 2020 at 02:21:33PM +0100, Peter Zijlstra wrote:
> v2 now with WARN_ON_ONCE
> [...]
> +	WARN_ON(!(tsk->flags & PF_KTHREAD));
> +	WARN_ON(tsk->mm != NULL);
> [...]
> +	WARN_ON(!(tsk->flags & PF_KTHREAD));

Version mismatch?

-- 
Kees Cook