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Date:   Wed, 1 Nov 2017 11:08:24 +0100
From:   Borislav Petkov <bp@...e.de>
To:     Andy Lutomirski <luto@...nel.org>
Cc:     X86 ML <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Brian Gerst <brgerst@...il.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 15/18] x86/asm/64: Remove all remaining direct
 thread_struct::sp0 reads

On Thu, Oct 26, 2017 at 01:26:47AM -0700, Andy Lutomirski wrote:
> The only remaining readers in context switch code or vm86(), and
> they all just want to update TSS.sp0 to match the current task.
> Replace them all with a new helper update_sp0().
> 
> Signed-off-by: Andy Lutomirski <luto@...nel.org>
> ---
>  arch/x86/include/asm/switch_to.h | 6 ++++++
>  arch/x86/kernel/process_32.c     | 2 +-
>  arch/x86/kernel/process_64.c     | 2 +-
>  arch/x86/kernel/vm86_32.c        | 4 ++--
>  4 files changed, 10 insertions(+), 4 deletions(-)

Reviewed-by: Borislav Petkov <bp@...e.de>

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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