Messages in this thread | | | Date | Sun, 21 Jan 2018 20:54:07 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH v2 5/8] x86/speculation: Add basic support for IBPB |
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On Sun, Jan 21, 2018 at 07:31:39PM +0000, David Woodhouse wrote: > > if (boot_cpu_has(X86_FEATURE_IBPB)) > > wrmsr(MSR_IA32_PRED_CMD, PRED_CMD_IBPB, 0); > > > > Problem solved. > > Nope. Plenty of patch sets *did* have the bug above though, until it > was spotted.
And that bug is...?
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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