| Date | Fri, 23 Jun 2017 11:24:03 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v3 08/11] x86/mm: Disable PCID on 32-bit kernels |
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On Tue, Jun 20, 2017 at 10:22:14PM -0700, Andy Lutomirski wrote: > 32-bit kernels on new hardware will see PCID in CPUID, but PCID can > only be used in 64-bit mode. Rather than making all PCID code > conditional, just disable the feature on 32-bit builds. > > Signed-off-by: Andy Lutomirski <luto@kernel.org> > --- > arch/x86/include/asm/disabled-features.h | 4 +++- > arch/x86/kernel/cpu/bugs.c | 8 ++++++++ > 2 files changed, 11 insertions(+), 1 deletion(-)
Reviewed-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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