[Xen-changelog] [xen stable-4.9] x86/cpuid: Offer Indirect Branch Controls to guests

[patchbot@xxxxxxx]

commit 59999aecdad6fc4f446958b65e2869e02530b1a6
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Feb 8 12:31:39 2018 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Feb 8 12:31:39 2018 +0100

    x86/cpuid: Offer Indirect Branch Controls to guests
    
    With all infrastructure in place, it is now safe to let guests see and use
    these features.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    master commit: 67c6838ddacfa646f9d1ae802bd0f16a935665b8
    master date: 2018-01-26 14:10:21 +0000
---
 xen/include/public/arch-x86/cpufeatureset.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/include/public/arch-x86/cpufeatureset.h 
b/xen/include/public/arch-x86/cpufeatureset.h
index e363e5d..816a2f8 100644
--- a/xen/include/public/arch-x86/cpufeatureset.h
+++ b/xen/include/public/arch-x86/cpufeatureset.h
@@ -236,13 +236,13 @@ XEN_CPUFEATURE(EFRO,          7*32+10) /*   APERF/MPERF 
Read Only interface */
 
 /* AMD-defined CPU features, CPUID level 0x80000008.ebx, word 8 */
 XEN_CPUFEATURE(CLZERO,        8*32+ 0) /*A  CLZERO instruction */
-XEN_CPUFEATURE(IBPB,          8*32+12) /*   IBPB support only (no IBRS, used 
by AMD) */
+XEN_CPUFEATURE(IBPB,          8*32+12) /*A  IBPB support only (no IBRS, used 
by AMD) */
 
 /* Intel-defined CPU features, CPUID level 0x00000007:0.edx, word 9 */
 XEN_CPUFEATURE(AVX512_4VNNIW, 9*32+ 2) /*A  AVX512 Neural Network Instructions 
*/
 XEN_CPUFEATURE(AVX512_4FMAPS, 9*32+ 3) /*A  AVX512 Multiply Accumulation 
Single Precision */
-XEN_CPUFEATURE(IBRSB,         9*32+26) /*   IBRS and IBPB support (used by 
Intel) */
-XEN_CPUFEATURE(STIBP,         9*32+27) /*!  STIBP */
+XEN_CPUFEATURE(IBRSB,         9*32+26) /*A  IBRS and IBPB support (used by 
Intel) */
+XEN_CPUFEATURE(STIBP,         9*32+27) /*A! STIBP */
 
 #endif /* XEN_CPUFEATURE */
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.9

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