linux-kernel - Re: [PATCH 04/11] uaccess: add infrastructure for kernel builds with set

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Message-ID: <202008181240.0B31CD9@keescook>
Date:   Tue, 18 Aug 2020 12:40:27 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Michael Ellerman <mpe@...erman.id.au>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-arch@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH 04/11] uaccess: add infrastructure for kernel builds with
 set_fs()

On Mon, Aug 17, 2020 at 09:32:05AM +0200, Christoph Hellwig wrote:
> Add a CONFIG_SET_FS option that is selected by architecturess that
> implement set_fs, which is all of them initially.  If the option is not
> set stubs for routines related to overriding the address space are
> provided so that architectures can start to opt out of providing set_fs.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook