AcoSail/kernel_optimize_test
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KVM: Remove decache_vcpus_on_cpu() and related callbacks

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Obsoleted by the vmx-specific per-cpu list.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2008-05-13 16:29:20 +03:00
parent 543e424366
commit 7cc8883074
9 changed files with 0 additions and 40 deletions
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8
arch/ia64/kvm/kvm-ia64.c
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@ -1035,14 +1035,6 @@ static void kvm_free_vmm_area(void)
} }
} }
/*
* Make sure that a cpu that is being hot-unplugged does not have any vcpus
* cached on it. Leave it as blank for IA64.
*/
void decache_vcpus_on_cpu(int cpu)
{
}
static void vti_vcpu_load(struct kvm_vcpu *vcpu, int cpu) static void vti_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{ {
} }

4
arch/powerpc/kvm/powerpc.c
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@ -240,10 +240,6 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
{ {
} }
void decache_vcpus_on_cpu(int cpu)
{
}
int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu,
struct kvm_debug_guest *dbg) struct kvm_debug_guest *dbg)
{ {

4
arch/s390/kvm/kvm-s390.c
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@ -79,10 +79,6 @@ void kvm_arch_hardware_disable(void *garbage)
{ {
} }
void decache_vcpus_on_cpu(int cpu)
{
}
int kvm_arch_hardware_setup(void) int kvm_arch_hardware_setup(void)
{ {
return 0; return 0;

5
arch/x86/kvm/svm.c
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@ -709,10 +709,6 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu)
rdtscll(vcpu->arch.host_tsc); rdtscll(vcpu->arch.host_tsc);
} }
static void svm_vcpu_decache(struct kvm_vcpu *vcpu)
{
}
static void svm_cache_regs(struct kvm_vcpu *vcpu) static void svm_cache_regs(struct kvm_vcpu *vcpu)
{ {
struct vcpu_svm *svm = to_svm(vcpu); struct vcpu_svm *svm = to_svm(vcpu);
@ -1933,7 +1929,6 @@ static struct kvm_x86_ops svm_x86_ops = {
.prepare_guest_switch = svm_prepare_guest_switch, .prepare_guest_switch = svm_prepare_guest_switch,
.vcpu_load = svm_vcpu_load, .vcpu_load = svm_vcpu_load,
.vcpu_put = svm_vcpu_put, .vcpu_put = svm_vcpu_put,
.vcpu_decache = svm_vcpu_decache,
.set_guest_debug = svm_guest_debug, .set_guest_debug = svm_guest_debug,
.get_msr = svm_get_msr, .get_msr = svm_get_msr,

6
arch/x86/kvm/vmx.c
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@ -692,11 +692,6 @@ static void vmx_fpu_deactivate(struct kvm_vcpu *vcpu)
update_exception_bitmap(vcpu); update_exception_bitmap(vcpu);
} }
static void vmx_vcpu_decache(struct kvm_vcpu *vcpu)
{
vcpu_clear(to_vmx(vcpu));
}
static unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu) static unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu)
{ {
return vmcs_readl(GUEST_RFLAGS); return vmcs_readl(GUEST_RFLAGS);
@ -3114,7 +3109,6 @@ static struct kvm_x86_ops vmx_x86_ops = {
.prepare_guest_switch = vmx_save_host_state, .prepare_guest_switch = vmx_save_host_state,
.vcpu_load = vmx_vcpu_load, .vcpu_load = vmx_vcpu_load,
.vcpu_put = vmx_vcpu_put, .vcpu_put = vmx_vcpu_put,
.vcpu_decache = vmx_vcpu_decache,
.set_guest_debug = set_guest_debug, .set_guest_debug = set_guest_debug,
.guest_debug_pre = kvm_guest_debug_pre, .guest_debug_pre = kvm_guest_debug_pre,

8
arch/x86/kvm/x86.c
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@ -817,14 +817,6 @@ static int msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs __user *user_msrs,
return r; return r;
} }
/*
* Make sure that a cpu that is being hot-unplugged does not have any vcpus
* cached on it.
*/
void decache_vcpus_on_cpu(int cpu)
{
}
int kvm_dev_ioctl_check_extension(long ext) int kvm_dev_ioctl_check_extension(long ext)
{ {
int r; int r;

1
include/asm-x86/kvm_host.h
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@ -380,7 +380,6 @@ struct kvm_x86_ops {
void (*prepare_guest_switch)(struct kvm_vcpu *vcpu); void (*prepare_guest_switch)(struct kvm_vcpu *vcpu);
void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
void (*vcpu_put)(struct kvm_vcpu *vcpu); void (*vcpu_put)(struct kvm_vcpu *vcpu);
void (*vcpu_decache)(struct kvm_vcpu *vcpu);
int (*set_guest_debug)(struct kvm_vcpu *vcpu, int (*set_guest_debug)(struct kvm_vcpu *vcpu,
struct kvm_debug_guest *dbg); struct kvm_debug_guest *dbg);

3
include/linux/kvm_host.h
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@ -135,9 +135,6 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
void vcpu_load(struct kvm_vcpu *vcpu); void vcpu_load(struct kvm_vcpu *vcpu);
void vcpu_put(struct kvm_vcpu *vcpu); void vcpu_put(struct kvm_vcpu *vcpu);
void decache_vcpus_on_cpu(int cpu);
int kvm_init(void *opaque, unsigned int vcpu_size, int kvm_init(void *opaque, unsigned int vcpu_size,
struct module *module); struct module *module);
void kvm_exit(void); void kvm_exit(void);

1
virt/kvm/kvm_main.c
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@ -1273,7 +1273,6 @@ static void hardware_disable(void *junk)
if (!cpu_isset(cpu, cpus_hardware_enabled)) if (!cpu_isset(cpu, cpus_hardware_enabled))
return; return;
cpu_clear(cpu, cpus_hardware_enabled); cpu_clear(cpu, cpus_hardware_enabled);
decache_vcpus_on_cpu(cpu);
kvm_arch_hardware_disable(NULL); kvm_arch_hardware_disable(NULL);
} }