diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index b804444e16d4..1f7d3b15cf4a 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -20,7 +20,8 @@ kvm-y += x86.o emulate.o i8259.o irq.o lapic.o \ kvm-intel-y += vmx/vmx.o vmx/vmenter.o vmx/pmu_intel.o vmx/vmcs12.o \ vmx/evmcs.o vmx/nested.o vmx/posted_intr.o -kvm-amd-y += svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o svm/sev.o +kvm-amd-y += svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o svm/sev.o \ + svm/cachepc/cachepc.o svm/cachepc/util.o obj-$(CONFIG_KVM) += kvm.o obj-$(CONFIG_KVM_INTEL) += kvm-intel.o diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 7b3cfbe8f7e3..cd5cb4320a17 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -2,6 +2,8 @@ #include +#include "cachepc/cachepc.h" + #include "irq.h" #include "mmu.h" #include "kvm_cache_regs.h" @@ -3728,6 +3730,16 @@ void __svm_vcpu_run(unsigned long vmcb_pa, unsigned long *regs); static noinstr void svm_vcpu_enter_exit(struct kvm_vcpu *vcpu, struct vcpu_svm *svm) { + static struct cache_ctx *ctx = NULL; + static struct cacheline *cache_ds = NULL; + static struct cacheline *curr_head = NULL; + static struct cacheline *next_head = NULL; + static int run_index = 0; + + if (!ctx) ctx = cachepc_get_ctx(L1); + if (!cache_ds) cache_ds = cachepc_prepare_ds(ctx); + if (!curr_head) curr_head = cache_ds; + /* * VMENTER enables interrupts (host state), but the kernel state is * interrupts disabled when this is invoked. Also tell RCU about @@ -3751,7 +3763,13 @@ static noinstr void svm_vcpu_enter_exit(struct kvm_vcpu *vcpu, if (sev_es_guest(svm->vcpu.kvm)) { __svm_sev_es_vcpu_run(svm->vmcb_pa); } else { - __svm_vcpu_run(svm->vmcb_pa, (unsigned long *)&svm->vcpu.arch.regs); + curr_head = cachepc_prime(curr_head); + __svm_vcpu_run(svm->vmcb_pa, (unsigned long *)&svm->vcpu.arch.regs); + next_head = cachepc_probe(curr_head); + //cachepc_save_msrmt(curr_head, "/tmp/msrmt", run_index); + cachepc_print_msrmt(curr_head); + curr_head = next_head; + run_index += 1; #ifdef CONFIG_X86_64 native_wrmsrl(MSR_GS_BASE, svm->host.gs_base);