diff options
| author | Gleb Natapov <gleb@redhat.com> | 2012-12-12 19:10:52 +0200 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2012-12-23 14:01:18 +0200 |
| commit | beb853ffeccbfa626f30038e816d61187103c455 (patch) | |
| tree | cedb2df0f6e3c3b82b8576b6b514935654d663f1 /arch | |
| parent | c6ad115348035f474d6fb81005bb4764bdd128ef (diff) | |
| download | linux-beb853ffeccbfa626f30038e816d61187103c455.tar.bz2 | |
KVM: VMX: use fix_rmode_seg() to fix all code/data segments
The code for SS and CS does the same thing fix_rmode_seg() is doing.
Use it instead of hand crafted code.
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 26 |
1 files changed, 2 insertions, 24 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 792d9cce8846..9e784c2c9782 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3315,30 +3315,8 @@ static void vmx_set_segment(struct kvm_vcpu *vcpu, * unrestricted guest like Westmere to older host that don't have * unrestricted guest like Nehelem. */ - if (vmx->rmode.vm86_active) { - switch (seg) { - case VCPU_SREG_CS: - vmcs_write32(GUEST_CS_AR_BYTES, 0xf3); - vmcs_write32(GUEST_CS_LIMIT, 0xffff); - if (vmcs_readl(GUEST_CS_BASE) == 0xffff0000) - vmcs_writel(GUEST_CS_BASE, 0xf0000); - vmcs_write16(GUEST_CS_SELECTOR, - vmcs_readl(GUEST_CS_BASE) >> 4); - break; - case VCPU_SREG_ES: - case VCPU_SREG_DS: - case VCPU_SREG_GS: - case VCPU_SREG_FS: - fix_rmode_seg(seg, &vmx->rmode.segs[seg]); - break; - case VCPU_SREG_SS: - vmcs_write16(GUEST_SS_SELECTOR, - vmcs_readl(GUEST_SS_BASE) >> 4); - vmcs_write32(GUEST_SS_LIMIT, 0xffff); - vmcs_write32(GUEST_SS_AR_BYTES, 0xf3); - break; - } - } + if (vmx->rmode.vm86_active && var->s) + fix_rmode_seg(seg, &vmx->rmode.segs[seg]); } static void vmx_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l) |