X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-events.c;h=ff13b7c09f9aa76e72e754a5525c086837411cc5;hb=a56b8216002f8bdb622c1fa56e21900bcefa42a1;hp=1ca4d519b817730ea03b5c88da307ee40a36c10d;hpb=496a7e97ad97fc1fb490d12426f33f9d96470379;p=lttng-modules.git

diff --git a/lttng-events.c b/lttng-events.c
index 1ca4d519..ff13b7c0 100644
--- a/lttng-events.c
+++ b/lttng-events.c
@@ -23,27 +23,24 @@
 #include <linux/seq_file.h>
 #include <linux/file.h>
 #include <linux/anon_inodes.h>
-#include <wrapper/file.h>
 #include <linux/jhash.h>
 #include <linux/uaccess.h>
-#include <linux/vmalloc.h>
 #include <linux/uuid.h>
 #include <linux/dmi.h>
+#include <linux/vmalloc.h>
+#include <linux/limits.h>
 
-#include <wrapper/vmalloc.h>	/* for wrapper_vmalloc_sync_all() */
 #include <wrapper/random.h>
-#include <wrapper/tracepoint.h>
 #include <wrapper/list.h>
-#include <wrapper/types.h>
 #include <lttng-kernel-version.h>
 #include <lttng-events.h>
 #include <lttng-tracer.h>
 #include <lttng-abi-old.h>
 #include <lttng-endian.h>
 #include <lttng-string-utils.h>
+#include <lttng-tracepoint.h>
 #include <wrapper/ringbuffer/backend.h>
 #include <wrapper/ringbuffer/frontend.h>
-#include <wrapper/time.h>
 
 #define METADATA_CACHE_DEFAULT_SIZE 4096
 
@@ -129,7 +126,8 @@ struct lttng_session *lttng_session_create(void)
 	int i;
 
 	mutex_lock(&sessions_mutex);
-	session = lttng_kvzalloc(sizeof(struct lttng_session), GFP_KERNEL);
+	session = kvzalloc_node(sizeof(struct lttng_session), GFP_KERNEL,
+				NUMA_NO_NODE);
 	if (!session)
 		goto err;
 	INIT_LIST_HEAD(&session->chan);
@@ -172,7 +170,7 @@ struct lttng_session *lttng_session_create(void)
 err_free_cache:
 	kfree(metadata_cache);
 err_free_session:
-	lttng_kvfree(session);
+	kvfree(session);
 err:
 	mutex_unlock(&sessions_mutex);
 	return NULL;
@@ -225,7 +223,7 @@ void lttng_session_destroy(struct lttng_session *session)
 	kref_put(&session->metadata_cache->refcount, metadata_cache_destroy);
 	list_del(&session->list);
 	mutex_unlock(&sessions_mutex);
-	lttng_kvfree(session);
+	kvfree(session);
 }
 
 int lttng_session_statedump(struct lttng_session *session)
@@ -823,9 +821,9 @@ void register_event(struct lttng_event *event)
 	desc = event->desc;
 	switch (event->instrumentation) {
 	case LTTNG_KERNEL_TRACEPOINT:
-		ret = lttng_wrapper_tracepoint_probe_register(desc->kname,
-						  desc->probe_callback,
-						  event);
+		ret = lttng_tracepoint_probe_register(desc->kname,
+						desc->probe_callback,
+						event);
 		break;
 	case LTTNG_KERNEL_SYSCALL:
 		ret = lttng_syscall_filter_enable(event->chan,
@@ -859,7 +857,7 @@ int _lttng_event_unregister(struct lttng_event *event)
 	desc = event->desc;
 	switch (event->instrumentation) {
 	case LTTNG_KERNEL_TRACEPOINT:
-		ret = lttng_wrapper_tracepoint_probe_unregister(event->desc->kname,
+		ret = lttng_tracepoint_probe_unregister(event->desc->kname,
 						  event->desc->probe_callback,
 						  event);
 		break;
@@ -1140,7 +1138,7 @@ int lttng_session_list_tracker_ids(struct lttng_session *session,
 	struct seq_file *m;
 	int file_fd, ret;
 
-	file_fd = lttng_get_unused_fd();
+	file_fd = get_unused_fd_flags(0);
 	if (file_fd < 0) {
 		ret = file_fd;
 		goto fd_error;
@@ -1185,8 +1183,8 @@ static
 int lttng_match_enabler_star_glob(const char *desc_name,
 		const char *pattern)
 {
-	if (!strutils_star_glob_match(pattern, LTTNG_SIZE_MAX,
-			desc_name, LTTNG_SIZE_MAX))
+	if (!strutils_star_glob_match(pattern, SIZE_MAX,
+			desc_name, SIZE_MAX))
 		return 0;
 	return 1;
 }
@@ -2511,20 +2509,12 @@ int64_t measure_clock_offset(void)
 	uint64_t tcf = trace_clock_freq();
 	int64_t offset;
 	unsigned long flags;
-#ifdef LTTNG_KERNEL_HAS_TIMESPEC64
 	struct timespec64 rts = { 0, 0 };
-#else
-	struct timespec rts = { 0, 0 };
-#endif
 
 	/* Disable interrupts to increase correlation precision. */
 	local_irq_save(flags);
 	monotonic[0] = trace_clock_read64();
-#ifdef LTTNG_KERNEL_HAS_TIMESPEC64
 	ktime_get_real_ts64(&rts);
-#else
-	getnstimeofday(&rts);
-#endif
 	monotonic[1] = trace_clock_read64();
 	local_irq_restore(flags);
 
@@ -2793,22 +2783,10 @@ end:
  * @transport: transport structure
  *
  * Registers a transport which can be used as output to extract the data out of
- * LTTng. The module calling this registration function must ensure that no
- * trap-inducing code will be executed by the transport functions. E.g.
- * vmalloc_sync_all() must be called between a vmalloc and the moment the memory
- * is made visible to the transport function. This registration acts as a
- * vmalloc_sync_all. Therefore, only if the module allocates virtual memory
- * after its registration must it synchronize the TLBs.
+ * LTTng.
  */
 void lttng_transport_register(struct lttng_transport *transport)
 {
-	/*
-	 * Make sure no page fault can be triggered by the module about to be
-	 * registered. We deal with this here so we don't have to call
-	 * vmalloc_sync_all() in each module's init.
-	 */
-	wrapper_vmalloc_sync_all();
-
 	mutex_lock(&sessions_mutex);
 	list_add_tail(&transport->node, &lttng_transport_list);
 	mutex_unlock(&sessions_mutex);
@@ -2958,9 +2936,6 @@ static int __init lttng_events_init(void)
 {
 	int ret;
 
-	ret = wrapper_lttng_fixup_sig(THIS_MODULE);
-	if (ret)
-		return ret;
 	ret = wrapper_get_pfnblock_flags_mask_init();
 	if (ret)
 		return ret;