Messages in this thread | | | Subject | Re: [PATCH v2 5/5] x86/pti: Do not enable PTI on fixed Intel processors | Date | Tue, 23 Jan 2018 18:44:49 +0000 | From | "Woodhouse, David" <> |
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On Tue, 2018-01-23 at 10:41 -0800, Dave Hansen wrote: > On 01/23/2018 08:52 AM, David Woodhouse wrote: > > When they advertise the IA32_ARCH_CAPABILITIES MSR and it has the RDCL_NO > > bit set, they don't need KPTI either. > > Also, I hate to ask... Have you tested this patch?
Nope. I deliberately haven't implemented IBRS_ALL because I have no suitable hardware for that and there are some non-trivial parts, but this one really *should* be trivial so seemed OK to do without hardware.[unhandled content-type:application/x-pkcs7-signature] | |