aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/emulate.c9
-rw-r--r--arch/x86/kvm/i8259.c3
-rw-r--r--arch/x86/kvm/irq.h2
3 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b38bd8b92aa6..66ca98aafdd6 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1870,17 +1870,16 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
1870 struct x86_emulate_ops *ops) 1870 struct x86_emulate_ops *ops)
1871{ 1871{
1872 struct decode_cache *c = &ctxt->decode; 1872 struct decode_cache *c = &ctxt->decode;
1873 u64 old = c->dst.orig_val; 1873 u64 old = c->dst.orig_val64;
1874 1874
1875 if (((u32) (old >> 0) != (u32) c->regs[VCPU_REGS_RAX]) || 1875 if (((u32) (old >> 0) != (u32) c->regs[VCPU_REGS_RAX]) ||
1876 ((u32) (old >> 32) != (u32) c->regs[VCPU_REGS_RDX])) { 1876 ((u32) (old >> 32) != (u32) c->regs[VCPU_REGS_RDX])) {
1877
1878 c->regs[VCPU_REGS_RAX] = (u32) (old >> 0); 1877 c->regs[VCPU_REGS_RAX] = (u32) (old >> 0);
1879 c->regs[VCPU_REGS_RDX] = (u32) (old >> 32); 1878 c->regs[VCPU_REGS_RDX] = (u32) (old >> 32);
1880 ctxt->eflags &= ~EFLG_ZF; 1879 ctxt->eflags &= ~EFLG_ZF;
1881 } else { 1880 } else {
1882 c->dst.val = ((u64)c->regs[VCPU_REGS_RCX] << 32) | 1881 c->dst.val64 = ((u64)c->regs[VCPU_REGS_RCX] << 32) |
1883 (u32) c->regs[VCPU_REGS_RBX]; 1882 (u32) c->regs[VCPU_REGS_RBX];
1884 1883
1885 ctxt->eflags |= EFLG_ZF; 1884 ctxt->eflags |= EFLG_ZF;
1886 } 1885 }
@@ -2616,7 +2615,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
2616 c->src.valptr, c->src.bytes); 2615 c->src.valptr, c->src.bytes);
2617 if (rc != X86EMUL_CONTINUE) 2616 if (rc != X86EMUL_CONTINUE)
2618 goto done; 2617 goto done;
2619 c->src.orig_val = c->src.val; 2618 c->src.orig_val64 = c->src.val64;
2620 } 2619 }
2621 2620
2622 if (c->src2.type == OP_MEM) { 2621 if (c->src2.type == OP_MEM) {
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index 8d10c063d7f2..4b7b73ce2098 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -64,6 +64,9 @@ static void pic_unlock(struct kvm_pic *s)
64 if (!found) 64 if (!found)
65 found = s->kvm->bsp_vcpu; 65 found = s->kvm->bsp_vcpu;
66 66
67 if (!found)
68 return;
69
67 kvm_vcpu_kick(found); 70 kvm_vcpu_kick(found);
68 } 71 }
69} 72}
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index ffed06871c5c..63c314502993 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -43,7 +43,6 @@ struct kvm_kpic_state {
43 u8 irr; /* interrupt request register */ 43 u8 irr; /* interrupt request register */
44 u8 imr; /* interrupt mask register */ 44 u8 imr; /* interrupt mask register */
45 u8 isr; /* interrupt service register */ 45 u8 isr; /* interrupt service register */
46 u8 isr_ack; /* interrupt ack detection */
47 u8 priority_add; /* highest irq priority */ 46 u8 priority_add; /* highest irq priority */
48 u8 irq_base; 47 u8 irq_base;
49 u8 read_reg_select; 48 u8 read_reg_select;
@@ -56,6 +55,7 @@ struct kvm_kpic_state {
56 u8 init4; /* true if 4 byte init */ 55 u8 init4; /* true if 4 byte init */
57 u8 elcr; /* PIIX edge/trigger selection */ 56 u8 elcr; /* PIIX edge/trigger selection */
58 u8 elcr_mask; 57 u8 elcr_mask;
58 u8 isr_ack; /* interrupt ack detection */
59 struct kvm_pic *pics_state; 59 struct kvm_pic *pics_state;
60}; 60};
61 61