get__perf_event_attr(&attr, wp_type, wp_addr, wp_len);
fd = sys_perf_event_open(&attr, 0, -1, -1,
perf_event_open_cloexec_flag());
- if (fd < 0)
+ if (fd < 0) {
+ fd = -errno;
pr_debug("failed opening event %x\n", attr.bp_type);
+ }
return fd;
}
fd = __event(HW_BREAKPOINT_R, (void *)&data1, sizeof(data1));
if (fd < 0)
- return -1;
+ return fd == -ENODEV ? TEST_SKIP : -1;
tmp = data1;
WP_TEST_ASSERT_VAL(fd, "RO watchpoint", 1);
fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));
if (fd < 0)
- return -1;
+ return fd == -ENODEV ? TEST_SKIP : -1;
tmp = data1;
WP_TEST_ASSERT_VAL(fd, "WO watchpoint", 0);
fd = __event(HW_BREAKPOINT_R | HW_BREAKPOINT_W, (void *)&data1,
sizeof(data1));
if (fd < 0)
- return -1;
+ return fd == -ENODEV ? TEST_SKIP : -1;
tmp = data1;
WP_TEST_ASSERT_VAL(fd, "RW watchpoint", 1);
fd = __event(HW_BREAKPOINT_W, (void *)&data1, sizeof(data1));
if (fd < 0)
- return -1;
+ return fd == -ENODEV ? TEST_SKIP : -1;
data1 = tmp;
WP_TEST_ASSERT_VAL(fd, "Modify watchpoint", 1);