Messages in this thread | | | Date | Tue, 22 Jun 2021 19:07:20 +0200 | From | Borislav Petkov <> | Subject | Re: [patch V3 54/66] x86/fpu: Mask PKRU from kernel XRSTOR[S] operations |
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On Fri, Jun 18, 2021 at 04:19:17PM +0200, Thomas Gleixner wrote: > As the PKRU state is managed seperately restoring it from the xstate buffer
separately
> would be counterproductive as it might either restore a stale value or > reinit the PKRU state to 0. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > --- > arch/x86/include/asm/fpu/internal.h | 4 ++-- > arch/x86/include/asm/fpu/xstate.h | 10 ++++++++++ > arch/x86/kernel/fpu/xstate.c | 1 + > arch/x86/mm/extable.c | 2 +- > 4 files changed, 14 insertions(+), 3 deletions(-)
Reviewed-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
SUSE Software Solutions Germany GmbH, GF: Felix Imendörffer, HRB 36809, AG Nürnberg
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