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openSUSE:12.2:PowerPC
xen
24360-x86-pv-domU-no-PCID.patch
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File 24360-x86-pv-domU-no-PCID.patch of Package xen
# HG changeset patch # User Liu, Jinsong <jinsong.liu@intel.com> # Date 1323170884 0 # Node ID d313582d4fa2157332f1d50e599aebca36c41b3b # Parent a0befa32e927cc147aaee9bce42c51f53580a875 X86: Disable PCID/INVPCID for pv This patch disable PCID/INVPCID for pv. Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> Committed-by: Keir Fraser <keir@xen.org> --- a/tools/libxc/xc_cpufeature.h +++ b/tools/libxc/xc_cpufeature.h @@ -78,6 +78,7 @@ #define X86_FEATURE_CX16 13 /* CMPXCHG16B */ #define X86_FEATURE_XTPR 14 /* Send Task Priority Messages */ #define X86_FEATURE_PDCM 15 /* Perf/Debug Capability MSR */ +#define X86_FEATURE_PCID 17 /* Process Context ID */ #define X86_FEATURE_DCA 18 /* Direct Cache Access */ #define X86_FEATURE_SSE4_1 19 /* Streaming SIMD Extensions 4.1 */ #define X86_FEATURE_SSE4_2 20 /* Streaming SIMD Extensions 4.2 */ @@ -132,5 +133,6 @@ #define X86_FEATURE_SMEP 7 /* Supervisor Mode Execution Protection */ #define X86_FEATURE_BMI2 8 /* 2nd group bit manipulation extensions */ #define X86_FEATURE_ERMS 9 /* Enhanced REP MOVSB/STOSB */ +#define X86_FEATURE_INVPCID 10 /* Invalidate Process Context ID */ #endif /* __LIBXC_CPUFEATURE_H */ --- a/tools/libxc/xc_cpuid_x86.c +++ b/tools/libxc/xc_cpuid_x86.c @@ -427,6 +427,7 @@ static void xc_cpuid_pv_policy( } clear_bit(X86_FEATURE_XTPR, regs[2]); clear_bit(X86_FEATURE_PDCM, regs[2]); + clear_bit(X86_FEATURE_PCID, regs[2]); clear_bit(X86_FEATURE_DCA, regs[2]); set_bit(X86_FEATURE_HYPERVISOR, regs[2]); break;
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