Messages in this thread | | | Subject | Re: [PATCH] Add a text_poke syscall v2 | From | "H. Peter Anvin" <> | Date | Wed, 27 Nov 2013 14:31:11 -0800 |
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No, we're not... sysexit/sysret doesn't count.
Borislav Petkov <bp@alien8.de> wrote: >On Wed, Nov 27, 2013 at 02:25:29PM -0800, H. Peter Anvin wrote: >> Actually the CPUID is superfluous on anything than the executing CPU >> since IRET is serializing. > >Why not on the executing core too? We're IRET-ting there too. > >Which would mean that a dummy empty syscall would be enough too since >we >need the serialization only.
-- Sent from my mobile phone. Please pardon brevity and lack of formatting.
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