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Diffstat (limited to 'tools/testing/selftests/kvm/kvm_create_max_vcpus.c')
-rw-r--r--tools/testing/selftests/kvm/kvm_create_max_vcpus.c36
1 files changed, 3 insertions, 33 deletions
diff --git a/tools/testing/selftests/kvm/kvm_create_max_vcpus.c b/tools/testing/selftests/kvm/kvm_create_max_vcpus.c
index aed9dc3ca1e9..c5310736ed06 100644
--- a/tools/testing/selftests/kvm/kvm_create_max_vcpus.c
+++ b/tools/testing/selftests/kvm/kvm_create_max_vcpus.c
@@ -6,13 +6,10 @@
*
* Test for KVM_CAP_MAX_VCPUS and KVM_CAP_MAX_VCPU_ID.
*/
-
-#define _GNU_SOURCE /* for program_invocation_short_name */
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <sys/resource.h>
#include "test_util.h"
@@ -28,11 +25,11 @@ void test_vcpu_creation(int first_vcpu_id, int num_vcpus)
pr_info("Testing creating %d vCPUs, with IDs %d...%d.\n",
num_vcpus, first_vcpu_id, first_vcpu_id + num_vcpus - 1);
- vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
+ vm = vm_create_barebones();
for (i = first_vcpu_id; i < first_vcpu_id + num_vcpus; i++)
/* This asserts that the vCPU was created. */
- vm_vcpu_add(vm, i);
+ __vm_vcpu_add(vm, i);
kvm_vm_free(vm);
}
@@ -41,38 +38,11 @@ int main(int argc, char *argv[])
{
int kvm_max_vcpu_id = kvm_check_cap(KVM_CAP_MAX_VCPU_ID);
int kvm_max_vcpus = kvm_check_cap(KVM_CAP_MAX_VCPUS);
- /*
- * Number of file descriptors reqired, KVM_CAP_MAX_VCPUS for vCPU fds +
- * an arbitrary number for everything else.
- */
- int nr_fds_wanted = kvm_max_vcpus + 100;
- struct rlimit rl;
pr_info("KVM_CAP_MAX_VCPU_ID: %d\n", kvm_max_vcpu_id);
pr_info("KVM_CAP_MAX_VCPUS: %d\n", kvm_max_vcpus);
- /*
- * Check that we're allowed to open nr_fds_wanted file descriptors and
- * try raising the limits if needed.
- */
- TEST_ASSERT(!getrlimit(RLIMIT_NOFILE, &rl), "getrlimit() failed!");
-
- if (rl.rlim_cur < nr_fds_wanted) {
- rl.rlim_cur = nr_fds_wanted;
- if (rl.rlim_max < nr_fds_wanted) {
- int old_rlim_max = rl.rlim_max;
- rl.rlim_max = nr_fds_wanted;
-
- int r = setrlimit(RLIMIT_NOFILE, &rl);
- if (r < 0) {
- printf("RLIMIT_NOFILE hard limit is too low (%d, wanted %d)\n",
- old_rlim_max, nr_fds_wanted);
- exit(KSFT_SKIP);
- }
- } else {
- TEST_ASSERT(!setrlimit(RLIMIT_NOFILE, &rl), "setrlimit() failed!");
- }
- }
+ kvm_set_files_rlimit(kvm_max_vcpus);
/*
* Upstream KVM prior to 4.8 does not support KVM_CAP_MAX_VCPU_ID.