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KVM: selftests: Capture per-vCPU GPA in perf_test_vcpu_args

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Capture the per-vCPU GPA in perf_test_vcpu_args so that tests can get
the GPA without having to calculate the GPA on their own.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Ben Gardon <bgardon@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20211111000310.1435032-7-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2021-11-11 00:03:04 +00:00 committed by Paolo Bonzini
parent b65e1051e4
commit 613d61182f
2 changed files with 5 additions and 5 deletions
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1
tools/testing/selftests/kvm/include/perf_test_util.h
View File

@ -18,6 +18,7 @@
#define PERF_TEST_MEM_SLOT_INDEX 1
struct perf_test_vcpu_args {
uint64_t gpa;
uint64_t gva;
uint64_t pages;

9
tools/testing/selftests/kvm/lib/perf_test_util.c
View File

@ -136,7 +136,6 @@ void perf_test_setup_vcpus(struct kvm_vm *vm, int vcpus,
bool partition_vcpu_memory_access)
{
struct perf_test_args *pta = &perf_test_args;
vm_paddr_t vcpu_gpa;
struct perf_test_vcpu_args *vcpu_args;
int vcpu_id;
@ -149,19 +148,19 @@ void perf_test_setup_vcpus(struct kvm_vm *vm, int vcpus,
(vcpu_id * vcpu_memory_bytes);
vcpu_args->pages = vcpu_memory_bytes /
pta->guest_page_size;
vcpu_gpa = guest_test_phys_mem +
(vcpu_id * vcpu_memory_bytes);
vcpu_args->gpa = guest_test_phys_mem +
(vcpu_id * vcpu_memory_bytes);
} else {
vcpu_args->gva = guest_test_virt_mem;
vcpu_args->pages = (vcpus * vcpu_memory_bytes) /
pta->guest_page_size;
vcpu_gpa = guest_test_phys_mem;
vcpu_args->gpa = guest_test_phys_mem;
}
vcpu_args_set(vm, vcpu_id, 1, vcpu_id);
pr_debug("Added VCPU %d with test mem gpa [%lx, %lx)\n",
vcpu_id, vcpu_gpa, vcpu_gpa +
vcpu_id, vcpu_args->gpa, vcpu_args->gpa +
(vcpu_args->pages * pta->guest_page_size));
}
}