KVM: Remove decache_vcpus_on_cpu() and related callbacks

Obsoleted by the vmx-specific per-cpu list.

Signed-off-by: Avi Kivity <avi@qumranet.com>

diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 68c978b..7c504be 100644 (file)
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -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)
 {
 }

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 777e0f3..0513b35 100644 (file)
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -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,
                                     struct kvm_debug_guest *dbg)
 {

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 6558b09..4585c8a 100644 (file)
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -79,10 +79,6 @@ void kvm_arch_hardware_disable(void *garbage)
 {
 }
 
-void decache_vcpus_on_cpu(int cpu)
-{
-}
-
 int kvm_arch_hardware_setup(void)
 {
        return 0;

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 9390a31..238e8f3 100644 (file)
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -709,10 +709,6 @@ static void svm_vcpu_put(struct kvm_vcpu *vcpu)
        rdtscll(vcpu->arch.host_tsc);
 }
 
-static void svm_vcpu_decache(struct kvm_vcpu *vcpu)
-{
-}
-
 static void svm_cache_regs(struct kvm_vcpu *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,
        .vcpu_load = svm_vcpu_load,
        .vcpu_put = svm_vcpu_put,
-       .vcpu_decache = svm_vcpu_decache,
 
        .set_guest_debug = svm_guest_debug,
        .get_msr = svm_get_msr,

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4d179d1..b99bb37 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -692,11 +692,6 @@ static void vmx_fpu_deactivate(struct kvm_vcpu *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)
 {
        return vmcs_readl(GUEST_RFLAGS);
@@ -3114,7 +3109,6 @@ static struct kvm_x86_ops vmx_x86_ops = {
        .prepare_guest_switch = vmx_save_host_state,
        .vcpu_load = vmx_vcpu_load,
        .vcpu_put = vmx_vcpu_put,
-       .vcpu_decache = vmx_vcpu_decache,
 
        .set_guest_debug = set_guest_debug,
        .guest_debug_pre = kvm_guest_debug_pre,

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8c14ddc..fd03b44 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -817,14 +817,6 @@ out:
        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 r;

diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 0df9d5f..4bcdc7d 100644 (file)
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -380,7 +380,6 @@ struct kvm_x86_ops {
        void (*prepare_guest_switch)(struct kvm_vcpu *vcpu);
        void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu);
        void (*vcpu_put)(struct kvm_vcpu *vcpu);
-       void (*vcpu_decache)(struct kvm_vcpu *vcpu);
 
        int (*set_guest_debug)(struct kvm_vcpu *vcpu,
                               struct kvm_debug_guest *dbg);

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index de9d1df..865dcbc 100644 (file)
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -135,9 +135,6 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
 void vcpu_load(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,
                  struct module *module);
 void kvm_exit(void);

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index e4bf88a..83a0e5c 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1273,7 +1273,6 @@ static void hardware_disable(void *junk)
        if (!cpu_isset(cpu, cpus_hardware_enabled))
                return;
        cpu_clear(cpu, cpus_hardware_enabled);
-       decache_vcpus_on_cpu(cpu);
        kvm_arch_hardware_disable(NULL);
 }