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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 07:15:30 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 07:15:30 -0700 |
| commit | a7bdf7fa33127bf08eb0810698bca607a9462df4 (patch) | |
| tree | 2f4be686e49710d10cc4f5ebc2d5f06ae030b9bd /arch/x86/kvm/vmx.c | |
| parent | 7fda953ffed1b94aa68f80c6c3ab312328aedcb3 (diff) | |
| parent | fea7a08acb13524b47711625eebea40a0ede69a0 (diff) | |
| download | blackbird-op-linux-a7bdf7fa33127bf08eb0810698bca607a9462df4.tar.gz blackbird-op-linux-a7bdf7fa33127bf08eb0810698bca607a9462df4.zip | |
Merge v3.6-rc3 into usb-next
This picks up fixes that we need in this branch for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index c39b60707e02..c00f03de1b79 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1488,13 +1488,6 @@ static void __vmx_load_host_state(struct vcpu_vmx *vmx) loadsegment(ds, vmx->host_state.ds_sel); loadsegment(es, vmx->host_state.es_sel); } -#else - /* - * The sysexit path does not restore ds/es, so we must set them to - * a reasonable value ourselves. - */ - loadsegment(ds, __USER_DS); - loadsegment(es, __USER_DS); #endif reload_tss(); #ifdef CONFIG_X86_64 @@ -6370,6 +6363,19 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) #endif ); +#ifndef CONFIG_X86_64 + /* + * The sysexit path does not restore ds/es, so we must set them to + * a reasonable value ourselves. + * + * We can't defer this to vmx_load_host_state() since that function + * may be executed in interrupt context, which saves and restore segments + * around it, nullifying its effect. + */ + loadsegment(ds, __USER_DS); + loadsegment(es, __USER_DS); +#endif + vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP) | (1 << VCPU_EXREG_RFLAGS) | (1 << VCPU_EXREG_CPL) |
