diff options
Diffstat (limited to 'tools/testing/selftests/kvm/dirty_log_test.c')
-rw-r--r-- | tools/testing/selftests/kvm/dirty_log_test.c | 26 |
1 files changed, 5 insertions, 21 deletions
diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c index eaad5b2085..aacf80f574 100644 --- a/tools/testing/selftests/kvm/dirty_log_test.c +++ b/tools/testing/selftests/kvm/dirty_log_test.c @@ -4,9 +4,6 @@ * * Copyright (C) 2018, Red Hat, Inc. */ - -#define _GNU_SOURCE /* for program_invocation_name */ - #include <stdio.h> #include <stdlib.h> #include <pthread.h> @@ -23,6 +20,7 @@ #include "test_util.h" #include "guest_modes.h" #include "processor.h" +#include "ucall_common.h" #define DIRTY_MEM_BITS 30 /* 1G */ #define PAGE_SHIFT_4K 12 @@ -76,7 +74,6 @@ static uint64_t host_page_size; static uint64_t guest_page_size; static uint64_t guest_num_pages; -static uint64_t random_array[TEST_PAGES_PER_LOOP]; static uint64_t iteration; /* @@ -109,19 +106,19 @@ static void guest_code(void) */ for (i = 0; i < guest_num_pages; i++) { addr = guest_test_virt_mem + i * guest_page_size; - *(uint64_t *)addr = READ_ONCE(iteration); + vcpu_arch_put_guest(*(uint64_t *)addr, READ_ONCE(iteration)); } while (true) { for (i = 0; i < TEST_PAGES_PER_LOOP; i++) { addr = guest_test_virt_mem; - addr += (READ_ONCE(random_array[i]) % guest_num_pages) + addr += (guest_random_u64(&guest_rng) % guest_num_pages) * guest_page_size; addr = align_down(addr, host_page_size); - *(uint64_t *)addr = READ_ONCE(iteration); + + vcpu_arch_put_guest(*(uint64_t *)addr, READ_ONCE(iteration)); } - /* Tell the host that we need more random numbers */ GUEST_SYNC(1); } } @@ -508,20 +505,10 @@ static void log_mode_after_vcpu_run(struct kvm_vcpu *vcpu, int ret, int err) mode->after_vcpu_run(vcpu, ret, err); } -static void generate_random_array(uint64_t *guest_array, uint64_t size) -{ - uint64_t i; - - for (i = 0; i < size; i++) - guest_array[i] = random(); -} - static void *vcpu_worker(void *data) { int ret; struct kvm_vcpu *vcpu = data; - struct kvm_vm *vm = vcpu->vm; - uint64_t *guest_array; uint64_t pages_count = 0; struct kvm_signal_mask *sigmask = alloca(offsetof(struct kvm_signal_mask, sigset) + sizeof(sigset_t)); @@ -540,11 +527,8 @@ static void *vcpu_worker(void *data) sigemptyset(sigset); sigaddset(sigset, SIG_IPI); - guest_array = addr_gva2hva(vm, (vm_vaddr_t)random_array); - while (!READ_ONCE(host_quit)) { /* Clear any existing kick signals */ - generate_random_array(guest_array, TEST_PAGES_PER_LOOP); pages_count += TEST_PAGES_PER_LOOP; /* Let the guest dirty the random pages */ ret = __vcpu_run(vcpu); |