[Xen-changelog] [xen master] x86/cpufeatures: Expose self-snoop to all guests

[patchbot@xxxxxxx]

commit 090d1a6908d2fba8c6657d7710d61ba360c9f248
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Jan 19 10:26:14 2017 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Wed Jan 25 10:24:39 2017 +0000

    x86/cpufeatures: Expose self-snoop to all guests
    
    Self-snoop describes a property of the CPU cache behaviour, which FreeBSD 
uses
    to optimise its cache flushing algorithm.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Tested-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
 xen/include/public/arch-x86/cpufeatureset.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/xen/include/public/arch-x86/cpufeatureset.h 
b/xen/include/public/arch-x86/cpufeatureset.h
index 306200b..70f1e30 100644
--- a/xen/include/public/arch-x86/cpufeatureset.h
+++ b/xen/include/public/arch-x86/cpufeatureset.h
@@ -114,6 +114,7 @@ XEN_CPUFEATURE(MMX,           0*32+23) /*A  Multimedia 
Extensions */
 XEN_CPUFEATURE(FXSR,          0*32+24) /*A  FXSAVE and FXRSTOR instructions */
 XEN_CPUFEATURE(SSE,           0*32+25) /*A  Streaming SIMD Extensions */
 XEN_CPUFEATURE(SSE2,          0*32+26) /*A  Streaming SIMD Extensions-2 */
+XEN_CPUFEATURE(SS,            0*32+27) /*A  CPU self snoop */
 XEN_CPUFEATURE(HTT,           0*32+28) /*!A Hyper-Threading Technology */
 XEN_CPUFEATURE(TM1,           0*32+29) /*   Thermal Monitor 1 */
 XEN_CPUFEATURE(PBE,           0*32+31) /*   Pending Break Enable */
--
generated by git-patchbot for /home/xen/git/xen.git#master

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