The code for SS and CS does the same thing fix_rmode_seg() is doing. Use it instead of hand crafted code.
Signed-off-by: Gleb Natapov <[email protected]> --- arch/x86/kvm/vmx.c | 26 ++------------------------ 1 file changed, 2 insertions(+), 24 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a01fbed..35cafa9 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) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
