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SubjectRe: [PATCH] perf, amd, ibs: Update IBS MSRs and feature definitions
On Thu, Nov 06, 2014 at 10:57:40AM -0600, Aravind Gopalakrishnan wrote:
> On 11/6/2014 10:34 AM, Borislav Petkov wrote:
> >On Thu, Nov 06, 2014 at 10:26:22AM -0600, Aravind Gopalakrishnan wrote:
> >>diff --git a/arch/x86/include/uapi/asm/msr-index.h b/arch/x86/include/uapi/asm/msr-index.h
> >>index e21331c..ba7b609 100644
> >>--- a/arch/x86/include/uapi/asm/msr-index.h
> >>+++ b/arch/x86/include/uapi/asm/msr-index.h
> >>@@ -206,6 +206,8 @@
> >> #define MSR_AMD64_IBSOP_REG_MASK ((1UL<<MSR_AMD64_IBSOP_REG_COUNT)-1)
> >> #define MSR_AMD64_IBSCTL 0xc001103a
> >> #define MSR_AMD64_IBSBRTARGET 0xc001103b
> >>+#define MSR_AMD64_IBS_FETCH_EXTD_CTL 0xc001103c
> >>+#define MSR_AMD64_IBSOPDATA4 0xc001103d
> >> #define MSR_AMD64_IBS_REG_COUNT_MAX 8 /* includes MSR_AMD64_IBSBRTARGET */
> >> /* Fam 16h MSRs */

> But Why?
> IBS_CAPS_BRNTRGT and IBS_CAPS_OPDATA4 indicate support for the respective
> MSRs

Ok, I was just making sure.

Btw, MSR_AMD64_IBS_FETCH_EXTD_CTL seems unused. Forgotten?

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
--


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