KVM: Don't pass kvm_run arguments
They're just copies of vcpu->run, which is readily accessible.
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index c17404a..92048a6 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -286,7 +286,7 @@
struct vcpu_svm *svm = to_svm(vcpu);
if (!svm->next_rip) {
- if (emulate_instruction(vcpu, vcpu->run, 0, 0, EMULTYPE_SKIP) !=
+ if (emulate_instruction(vcpu, 0, 0, EMULTYPE_SKIP) !=
EMULATE_DONE)
printk(KERN_DEBUG "%s: NOP\n", __func__);
return;
@@ -1180,7 +1180,7 @@
}
}
-static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int pf_interception(struct vcpu_svm *svm)
{
u64 fault_address;
u32 error_code;
@@ -1194,8 +1194,10 @@
return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code);
}
-static int db_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int db_interception(struct vcpu_svm *svm)
{
+ struct kvm_run *kvm_run = svm->vcpu.run;
+
if (!(svm->vcpu.guest_debug &
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) &&
!svm->vcpu.arch.singlestep) {
@@ -1223,25 +1225,27 @@
return 1;
}
-static int bp_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int bp_interception(struct vcpu_svm *svm)
{
+ struct kvm_run *kvm_run = svm->vcpu.run;
+
kvm_run->exit_reason = KVM_EXIT_DEBUG;
kvm_run->debug.arch.pc = svm->vmcb->save.cs.base + svm->vmcb->save.rip;
kvm_run->debug.arch.exception = BP_VECTOR;
return 0;
}
-static int ud_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int ud_interception(struct vcpu_svm *svm)
{
int er;
- er = emulate_instruction(&svm->vcpu, kvm_run, 0, 0, EMULTYPE_TRAP_UD);
+ er = emulate_instruction(&svm->vcpu, 0, 0, EMULTYPE_TRAP_UD);
if (er != EMULATE_DONE)
kvm_queue_exception(&svm->vcpu, UD_VECTOR);
return 1;
}
-static int nm_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int nm_interception(struct vcpu_svm *svm)
{
svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
if (!(svm->vcpu.arch.cr0 & X86_CR0_TS))
@@ -1251,7 +1255,7 @@
return 1;
}
-static int mc_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int mc_interception(struct vcpu_svm *svm)
{
/*
* On an #MC intercept the MCE handler is not called automatically in
@@ -1264,8 +1268,10 @@
return 1;
}
-static int shutdown_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int shutdown_interception(struct vcpu_svm *svm)
{
+ struct kvm_run *kvm_run = svm->vcpu.run;
+
/*
* VMCB is undefined after a SHUTDOWN intercept
* so reinitialize it.
@@ -1277,7 +1283,7 @@
return 0;
}
-static int io_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int io_interception(struct vcpu_svm *svm)
{
u32 io_info = svm->vmcb->control.exit_info_1; /* address size bug? */
int size, in, string;
@@ -1291,7 +1297,7 @@
if (string) {
if (emulate_instruction(&svm->vcpu,
- kvm_run, 0, 0, 0) == EMULATE_DO_MMIO)
+ 0, 0, 0) == EMULATE_DO_MMIO)
return 0;
return 1;
}
@@ -1301,33 +1307,33 @@
size = (io_info & SVM_IOIO_SIZE_MASK) >> SVM_IOIO_SIZE_SHIFT;
skip_emulated_instruction(&svm->vcpu);
- return kvm_emulate_pio(&svm->vcpu, kvm_run, in, size, port);
+ return kvm_emulate_pio(&svm->vcpu, in, size, port);
}
-static int nmi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int nmi_interception(struct vcpu_svm *svm)
{
return 1;
}
-static int intr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int intr_interception(struct vcpu_svm *svm)
{
++svm->vcpu.stat.irq_exits;
return 1;
}
-static int nop_on_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int nop_on_interception(struct vcpu_svm *svm)
{
return 1;
}
-static int halt_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int halt_interception(struct vcpu_svm *svm)
{
svm->next_rip = kvm_rip_read(&svm->vcpu) + 1;
skip_emulated_instruction(&svm->vcpu);
return kvm_emulate_halt(&svm->vcpu);
}
-static int vmmcall_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int vmmcall_interception(struct vcpu_svm *svm)
{
svm->next_rip = kvm_rip_read(&svm->vcpu) + 3;
skip_emulated_instruction(&svm->vcpu);
@@ -1837,7 +1843,7 @@
to_vmcb->save.sysenter_eip = from_vmcb->save.sysenter_eip;
}
-static int vmload_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int vmload_interception(struct vcpu_svm *svm)
{
struct vmcb *nested_vmcb;
@@ -1857,7 +1863,7 @@
return 1;
}
-static int vmsave_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int vmsave_interception(struct vcpu_svm *svm)
{
struct vmcb *nested_vmcb;
@@ -1877,7 +1883,7 @@
return 1;
}
-static int vmrun_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int vmrun_interception(struct vcpu_svm *svm)
{
nsvm_printk("VMrun\n");
@@ -1907,7 +1913,7 @@
return 1;
}
-static int stgi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int stgi_interception(struct vcpu_svm *svm)
{
if (nested_svm_check_permissions(svm))
return 1;
@@ -1920,7 +1926,7 @@
return 1;
}
-static int clgi_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int clgi_interception(struct vcpu_svm *svm)
{
if (nested_svm_check_permissions(svm))
return 1;
@@ -1937,7 +1943,7 @@
return 1;
}
-static int invlpga_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int invlpga_interception(struct vcpu_svm *svm)
{
struct kvm_vcpu *vcpu = &svm->vcpu;
nsvm_printk("INVLPGA\n");
@@ -1950,15 +1956,13 @@
return 1;
}
-static int invalid_op_interception(struct vcpu_svm *svm,
- struct kvm_run *kvm_run)
+static int invalid_op_interception(struct vcpu_svm *svm)
{
kvm_queue_exception(&svm->vcpu, UD_VECTOR);
return 1;
}
-static int task_switch_interception(struct vcpu_svm *svm,
- struct kvm_run *kvm_run)
+static int task_switch_interception(struct vcpu_svm *svm)
{
u16 tss_selector;
int reason;
@@ -2008,14 +2012,14 @@
return kvm_task_switch(&svm->vcpu, tss_selector, reason);
}
-static int cpuid_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int cpuid_interception(struct vcpu_svm *svm)
{
svm->next_rip = kvm_rip_read(&svm->vcpu) + 2;
kvm_emulate_cpuid(&svm->vcpu);
return 1;
}
-static int iret_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int iret_interception(struct vcpu_svm *svm)
{
++svm->vcpu.stat.nmi_window_exits;
svm->vmcb->control.intercept &= ~(1UL << INTERCEPT_IRET);
@@ -2023,26 +2027,27 @@
return 1;
}
-static int invlpg_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int invlpg_interception(struct vcpu_svm *svm)
{
- if (emulate_instruction(&svm->vcpu, kvm_run, 0, 0, 0) != EMULATE_DONE)
+ if (emulate_instruction(&svm->vcpu, 0, 0, 0) != EMULATE_DONE)
pr_unimpl(&svm->vcpu, "%s: failed\n", __func__);
return 1;
}
-static int emulate_on_interception(struct vcpu_svm *svm,
- struct kvm_run *kvm_run)
+static int emulate_on_interception(struct vcpu_svm *svm)
{
- if (emulate_instruction(&svm->vcpu, NULL, 0, 0, 0) != EMULATE_DONE)
+ if (emulate_instruction(&svm->vcpu, 0, 0, 0) != EMULATE_DONE)
pr_unimpl(&svm->vcpu, "%s: failed\n", __func__);
return 1;
}
-static int cr8_write_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int cr8_write_interception(struct vcpu_svm *svm)
{
+ struct kvm_run *kvm_run = svm->vcpu.run;
+
u8 cr8_prev = kvm_get_cr8(&svm->vcpu);
/* instruction emulation calls kvm_set_cr8() */
- emulate_instruction(&svm->vcpu, NULL, 0, 0, 0);
+ emulate_instruction(&svm->vcpu, 0, 0, 0);
if (irqchip_in_kernel(svm->vcpu.kvm)) {
svm->vmcb->control.intercept_cr_write &= ~INTERCEPT_CR8_MASK;
return 1;
@@ -2128,7 +2133,7 @@
return 0;
}
-static int rdmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int rdmsr_interception(struct vcpu_svm *svm)
{
u32 ecx = svm->vcpu.arch.regs[VCPU_REGS_RCX];
u64 data;
@@ -2221,7 +2226,7 @@
return 0;
}
-static int wrmsr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int wrmsr_interception(struct vcpu_svm *svm)
{
u32 ecx = svm->vcpu.arch.regs[VCPU_REGS_RCX];
u64 data = (svm->vcpu.arch.regs[VCPU_REGS_RAX] & -1u)
@@ -2237,17 +2242,18 @@
return 1;
}
-static int msr_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
+static int msr_interception(struct vcpu_svm *svm)
{
if (svm->vmcb->control.exit_info_1)
- return wrmsr_interception(svm, kvm_run);
+ return wrmsr_interception(svm);
else
- return rdmsr_interception(svm, kvm_run);
+ return rdmsr_interception(svm);
}
-static int interrupt_window_interception(struct vcpu_svm *svm,
- struct kvm_run *kvm_run)
+static int interrupt_window_interception(struct vcpu_svm *svm)
{
+ struct kvm_run *kvm_run = svm->vcpu.run;
+
svm_clear_vintr(svm);
svm->vmcb->control.int_ctl &= ~V_IRQ_MASK;
/*
@@ -2265,8 +2271,7 @@
return 1;
}
-static int (*svm_exit_handlers[])(struct vcpu_svm *svm,
- struct kvm_run *kvm_run) = {
+static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = {
[SVM_EXIT_READ_CR0] = emulate_on_interception,
[SVM_EXIT_READ_CR3] = emulate_on_interception,
[SVM_EXIT_READ_CR4] = emulate_on_interception,
@@ -2321,9 +2326,10 @@
[SVM_EXIT_NPF] = pf_interception,
};
-static int handle_exit(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
+static int handle_exit(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
+ struct kvm_run *kvm_run = vcpu->run;
u32 exit_code = svm->vmcb->control.exit_code;
trace_kvm_exit(exit_code, svm->vmcb->save.rip);
@@ -2383,7 +2389,7 @@
return 0;
}
- return svm_exit_handlers[exit_code](svm, kvm_run);
+ return svm_exit_handlers[exit_code](svm);
}
static void reload_tss(struct kvm_vcpu *vcpu)
@@ -2588,7 +2594,7 @@
#define R "e"
#endif
-static void svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+static void svm_vcpu_run(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
u16 fs_selector;