Pass through SSSE3 capability

PATCH New Alexander Graf 1 participant 1 message Jan 10, 2008 KVM

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Alexander Graf

author

2008-01-10 06:22 UTC #0 lore raw

PATCH 1/1 Pass through SSSE3 capability

Darwin requires SSSE3 in 64-bit mode, so KVM needs to reveal the appropriate CPUID flag. I could not find a proper define in the kernel headers, so I just added the specific bit number.

x86.c +1 -1

Index: kernel/x86.c
===================================================================
@@ -898,7 +903,7 @@ static void do_cpuid_ent(struct kvm_cpui
 		bit(X86_FEATURE_3DNOWEXT) |
 		bit(X86_FEATURE_3DNOW);
 	const u32 kvm_supported_word3_x86_features =
-		bit(X86_FEATURE_XMM3) | bit(X86_FEATURE_CX16);
+		bit(X86_FEATURE_XMM3) | bit(X86_FEATURE_CX16) | bit(9) /* SSSE3 */;
 	const u32 kvm_supported_word6_x86_features =
 		bit(X86_FEATURE_LAHF_LM) | bit(X86_FEATURE_CMP_LEGACY);

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