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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
  KVM: SVM: Fix FPU leak while emulating clts
  KVM: SVM: Unload guest fpu on vcpu_put()
  KVM: x86 emulator: Use emulator_write_emulated and not emulator_write_std
  KVM: x86 emulator: fix the saving of of the eip value
  KVM: x86 emulator: fix JMP_REL
This commit is contained in:
Linus Torvalds 2007-11-27 14:27:56 -08:00
commit 2ea0718884
3 changed files with 5 additions and 5 deletions
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3
drivers/kvm/kvm_main.c
View File

@ -1188,8 +1188,7 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
int emulate_clts(struct kvm_vcpu *vcpu)
{
vcpu->cr0 &= ~X86_CR0_TS;
kvm_x86_ops->set_cr0(vcpu, vcpu->cr0);
kvm_x86_ops->set_cr0(vcpu, vcpu->cr0 & ~X86_CR0_TS);
return X86EMUL_CONTINUE;
}

1
drivers/kvm/svm.c
View File

@ -663,6 +663,7 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu)
wrmsrl(host_save_user_msrs[i], svm->host_user_msrs[i]);
rdtscll(vcpu->host_tsc);
kvm_put_guest_fpu(vcpu);
}
static void svm_vcpu_decache(struct kvm_vcpu *vcpu)

6
drivers/kvm/x86_emulate.c
View File

@ -448,8 +448,7 @@ struct operand {
#define JMP_REL(rel) \
do { \
_eip += (int)(rel); \
_eip = ((op_bytes == 2) ? (uint16_t)_eip : (uint32_t)_eip); \
register_address_increment(_eip, rel); \
} while (0)
/*
@ -1147,7 +1146,7 @@ done_prefixes:
}
register_address_increment(_regs[VCPU_REGS_RSP],
-dst.bytes);
if ((rc = ops->write_std(
if ((rc = ops->write_emulated(
register_address(ctxt->ss_base,
_regs[VCPU_REGS_RSP]),
&dst.val, dst.bytes, ctxt->vcpu)) != 0)
@ -1359,6 +1358,7 @@ special_insn:
}
src.val = (unsigned long) _eip;
JMP_REL(rel);
op_bytes = ad_bytes;
goto push;
}
case 0xe9: /* jmp rel */