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[Qemu-devel] [PATCH 12/12] kvm: fix 80000001.EDX supported bit filtering
From: |
Marcelo Tosatti |
Subject: |
[Qemu-devel] [PATCH 12/12] kvm: fix 80000001.EDX supported bit filtering |
Date: |
Wed, 12 May 2010 18:25:06 -0300 |
From: Gleb Natapov <address@hidden>
On AMD some bits from 1.EDX are reported in 80000001.EDX. The mask used
to copy bits from 1.EDX to 80000001.EDX is incorrect resulting in
unsupported features passed into a guest.
Signed-off-by: Gleb Natapov <address@hidden>
Signed-off-by: Marcelo Tosatti <address@hidden>
---
target-i386/kvm.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 676aa60..d6b12ed 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -111,7 +111,7 @@ uint32_t kvm_arch_get_supported_cpuid(CPUState *env,
uint32_t function, int reg)
* so add missing bits according to the AMD spec:
*/
cpuid_1_edx = kvm_arch_get_supported_cpuid(env, 1, R_EDX);
- ret |= cpuid_1_edx & 0xdfeff7ff;
+ ret |= cpuid_1_edx & 0x183f7ff;
break;
}
break;
--
1.6.6.1
- [Qemu-devel] [PATCH 00/12] [PULL] qemu-kvm.git uq/master queue, Marcelo Tosatti, 2010/05/12
- [Qemu-devel] [PATCH 12/12] kvm: fix 80000001.EDX supported bit filtering,
Marcelo Tosatti <=
- [Qemu-devel] [PATCH 08/12] move stop/stopped CPU_COMMON fields after area zeroed by reset, Marcelo Tosatti, 2010/05/12
- [Qemu-devel] [PATCH 10/12] kvm: enable smp > 1, Marcelo Tosatti, 2010/05/12
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Alexander Graf, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Avi Kivity, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Alexander Graf, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Jan Kiszka, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Alexander Graf, 2010/05/14
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Udo Lembke, 2010/05/19
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Avi Kivity, 2010/05/19
- [Qemu-devel] Re: [PATCH 10/12] kvm: enable smp > 1, Udo Lembke, 2010/05/19