Messages in this thread | | | Date | Fri, 29 Jan 2016 14:21:14 +0100 | From | Borislav Petkov <> | Subject | Re: several messages |
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On Wed, Jan 27, 2016 at 11:09:04AM +0100, Thomas Gleixner wrote: > On Mon, 25 Jan 2016, Andy Lutomirski wrote: > > This is a straightforward speedup on Ivy Bridge and newer, IIRC. > > (I tested on Skylake. INVPCID is not available on Sandy Bridge. > > I don't have Ivy Bridge, Haswell or Broadwell to test on, so I > > could be wrong as to when the feature was introduced.) > > Haswell and Broadwell have it. No idea about ivy bridge.
I have an IVB model 58. It doesn't have it:
CPUID_0x00000007: EAX=0x00000000, EBX=0x00000281, ECX=0x00000000, EDX=0x00000000
INVPCID should be EBX[10].
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply.
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