26 lines
1.3 KiB
Diff
26 lines
1.3 KiB
Diff
Index: xen-3.0.4-testing/xen/arch/x86/hvm/svm/svm.c
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===================================================================
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--- xen-3.0.4-testing.orig/xen/arch/x86/hvm/svm/svm.c
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+++ xen-3.0.4-testing/xen/arch/x86/hvm/svm/svm.c
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@@ -1085,6 +1085,8 @@ static void svm_vmexit_do_cpuid(struct v
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/* So far, we do not support 3DNow for the guest. */
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clear_bit(X86_FEATURE_3DNOW & 31, &edx);
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clear_bit(X86_FEATURE_3DNOWEXT & 31, &edx);
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+ /* no FFXSR instructions feature. */
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+ clear_bit(X86_FEATURE_FFXSR & 31, &edx);
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}
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}
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else if ( ( input == 0x80000007 ) || ( input == 0x8000000A ) )
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Index: xen-3.0.4-testing/xen/include/asm-x86/cpufeature.h
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===================================================================
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--- xen-3.0.4-testing.orig/xen/include/asm-x86/cpufeature.h
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+++ xen-3.0.4-testing/xen/include/asm-x86/cpufeature.h
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@@ -92,6 +92,7 @@
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#define X86_FEATURE_LAHF_LM (6*32+ 0) /* LAHF/SAHF in long mode */
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#define X86_FEATURE_CMP_LEGACY (6*32+ 1) /* If yes HyperThreading not valid */
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#define X86_FEATURE_SVME (6*32+ 2) /* Secure Virtual Machine */
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+#define X86_FEATURE_FFXSR (6*32+25) /* FFXSR instruction optimizations */
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#define cpu_has(c, bit) test_bit(bit, (c)->x86_capability)
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#define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability)
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