Re: [PATCH 15/18] x86/asm/64: Remove all remaining direct thread_struct::sp0 reads

Borislav Petkov
2017-11-01T10:08:35Z

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@kernel.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@suse.de>

--
Regards/Gruss,
Boris.

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