/* * Originally done by Vince Weaver for * perf_event_tests (git://github.com/deater/perf_event_tests) */ /* * Powerpc needs __SANE_USERSPACE_TYPES__ before to select * 'int-ll64.h' and avoid compile warnings when printing __u64 with %llu. */ #define __SANE_USERSPACE_TYPES__ #include #include #include #include #include #include #include #include #include #include #include #include "tests.h" #include "debug.h" #include "perf.h" #include "cloexec.h" static int overflows; __attribute__ ((noinline)) static int test_function(void) { return time(NULL); } static void sig_handler(int signum __maybe_unused, siginfo_t *oh __maybe_unused, void *uc __maybe_unused) { overflows++; } static long long bp_count(int fd) { long long count; int ret; ret = read(fd, &count, sizeof(long long)); if (ret != sizeof(long long)) { pr_debug("failed to read: %d\n", ret); return TEST_FAIL; } return count; } #define EXECUTIONS 10000 #define THRESHOLD 100 int test__bp_signal_overflow(int subtest __maybe_unused) { struct perf_event_attr pe; struct sigaction sa; long long count; int fd, i, fails = 0; /* setup SIGIO signal handler */ memset(&sa, 0, sizeof(struct sigaction)); sa.sa_sigaction = (void *) sig_handler; sa.sa_flags = SA_SIGINFO; if (sigaction(SIGIO, &sa, NULL) < 0) { pr_debug("failed setting up signal handler\n"); return TEST_FAIL; } memset(&pe, 0, sizeof(struct perf_event_attr)); pe.type = PERF_TYPE_BREAKPOINT; pe.size = sizeof(struct perf_event_attr); pe.config = 0; pe.bp_type = HW_BREAKPOINT_X; pe.bp_addr = (unsigned long) test_function; pe.bp_len = sizeof(long); pe.sample_period = THRESHOLD; pe.sample_type = PERF_SAMPLE_IP; pe.wakeup_events = 1; pe.disabled = 1; pe.exclude_kernel = 1; pe.exclude_hv = 1; fd = sys_perf_event_open(&pe, 0, -1, -1, perf_event_open_cloexec_flag()); if (fd < 0) { pr_debug("failed opening event %llx\n", pe.config); return TEST_FAIL; } fcntl(fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC); fcntl(fd, F_SETSIG, SIGIO); fcntl(fd, F_SETOWN, getpid()); ioctl(fd, PERF_EVENT_IOC_RESET, 0); ioctl(fd, PERF_EVENT_IOC_ENABLE, 0); for (i = 0; i < EXECUTIONS; i++) test_function(); ioctl(fd, PERF_EVENT_IOC_DISABLE, 0); count = bp_count(fd); close(fd); pr_debug("count %lld, overflow %d\n", count, overflows); if (count != EXECUTIONS) { pr_debug("\tWrong number of executions %lld != %d\n", count, EXECUTIONS); fails++; } if (overflows != EXECUTIONS / THRESHOLD) { pr_debug("\tWrong number of overflows %d != %d\n", overflows, EXECUTIONS / THRESHOLD); fails++; } return fails ? TEST_FAIL : TEST_OK; } le>
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authorSalvatore Benedetto <salvatore.benedetto@intel.com>2017-01-13 11:54:08 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2017-01-23 22:41:32 +0800
commitd6040764adcb5cb6de1489422411d701c158bb69 (patch)
treeec8f34788bcdeaa9dc8f69c58af4c005d1e49021 /net/rds/ib_cm.c
parent07825f0acd85dd8b7481d5ef0eb024b05364d892 (diff)
crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg
Make sure CRYPTO_ALG_DEAD bit is cleared before proceeding with the algorithm registration. This fixes qat-dh registration when driver is restarted Cc: <stable@vger.kernel.org> Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'net/rds/ib_cm.c')