linux-kernel - Re: [PATCH] x86/copy_user: Remove 64-bit asm _copy_*

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Message-ID: <CA+55aFzTWhktHU4t+wtP7DECDbBpq3ajYzz5BvjXKNf5dVkXnA@mail.gmail.com>
Date:   Tue, 1 Nov 2016 17:02:02 -0600
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Borislav Petkov <bp@...en8.de>, Al Viro <viro@...iv.linux.org.uk>
Cc:     X86 ML <x86@...nel.org>, Andy Lutomirski <luto@...capital.net>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/copy_user: Remove 64-bit asm _copy_*_user variants

On Mon, Oct 31, 2016 at 9:10 AM, Borislav Petkov <bp@...en8.de> wrote:
> From: Borislav Petkov <bp@...e.de>
>
> We already have the same functionality in usercopy_32.c. Share it with
> 64-bit and get rid of some more asm glue which is not needed anymore.

I see this already made it into -tip, but it looks good to me. I think
Al may have some of this in generic code already in his uaccess
cleanup stuff, but I doubt this makes for any huge merge conflict
issues.

         Linus