From 787c57c0fb393fe8a3974d300ddcfe30373386fe Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Wed, 17 Oct 2012 23:03:42 +0800 Subject: KVM: ia64: remove unused variable in kvm_release_vm_pages() The variable base_gfn is initialized but never used otherwise, so remove the unused variable. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Acked-by: Xiantao Zhang Signed-off-by: Wei Yongjun Signed-off-by: Marcelo Tosatti --- arch/ia64/kvm/kvm-ia64.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'arch/ia64') diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 8b3a9c0e771..c71acd7f9a1 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -1362,11 +1362,9 @@ static void kvm_release_vm_pages(struct kvm *kvm) struct kvm_memslots *slots; struct kvm_memory_slot *memslot; int j; - unsigned long base_gfn; slots = kvm_memslots(kvm); kvm_for_each_memslot(memslot, slots) { - base_gfn = memslot->base_gfn; for (j = 0; j < memslot->npages; j++) { if (memslot->rmap[j]) put_page((struct page *)memslot->rmap[j]); -- cgit v1.2.3-70-g09d2 From 42897d866b120547777ae1fd316680ec53356d9c Mon Sep 17 00:00:00 2001 From: Marcelo Tosatti Date: Tue, 27 Nov 2012 23:29:02 -0200 Subject: KVM: x86: add kvm_arch_vcpu_postcreate callback, move TSC initialization TSC initialization will soon make use of online_vcpus. Signed-off-by: Marcelo Tosatti --- arch/ia64/kvm/kvm-ia64.c | 5 +++++ arch/powerpc/kvm/powerpc.c | 5 +++++ arch/s390/kvm/kvm-s390.c | 5 +++++ arch/x86/kvm/svm.c | 1 - arch/x86/kvm/vmx.c | 2 -- arch/x86/kvm/x86.c | 13 +++++++++++++ include/linux/kvm_host.h | 1 + virt/kvm/kvm_main.c | 1 + 8 files changed, 30 insertions(+), 3 deletions(-) (limited to 'arch/ia64') diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index c71acd7f9a1..83b54530916 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -1330,6 +1330,11 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) return 0; } +int kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) +{ + return 0; +} + int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) { return -EINVAL; diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index deb0d596d81..f9ab12aea82 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -439,6 +439,11 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id) return vcpu; } +int kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) +{ + return 0; +} + void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu) { /* Make sure we're not using the vcpu anymore */ diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 38883f0bf27..731ddeee32e 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -355,6 +355,11 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu) atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); } +int kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) +{ + return 0; +} + int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) { atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 94f5ceba7e1..161a5fa66d8 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1251,7 +1251,6 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id) svm->vmcb_pa = page_to_pfn(page) << PAGE_SHIFT; svm->asid_generation = 0; init_vmcb(svm); - kvm_write_tsc(&svm->vcpu, 0); err = fx_init(&svm->vcpu); if (err) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 896efd4842e..bb18923bf63 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3896,8 +3896,6 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) vmcs_writel(CR0_GUEST_HOST_MASK, ~0UL); set_cr4_guest_host_mask(vmx); - kvm_write_tsc(&vmx->vcpu, 0); - return 0; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index a7b97a49d8a..f3c069efc72 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6320,6 +6320,19 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) return r; } +int kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) +{ + int r; + + r = vcpu_load(vcpu); + if (r) + return r; + kvm_write_tsc(vcpu, 0); + vcpu_put(vcpu); + + return r; +} + void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) { int r; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index c94c9985dee..8e5c7b65165 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -596,6 +596,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id); int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu); +int kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); int kvm_arch_hardware_enable(void *garbage); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index be3e7bb73b1..e6cfd4344d2 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1853,6 +1853,7 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) atomic_inc(&kvm->online_vcpus); mutex_unlock(&kvm->lock); + kvm_arch_vcpu_postcreate(vcpu); return r; unlock_vcpu_destroy: -- cgit v1.2.3-70-g09d2