X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=wrapper%2Ftrace-clock.h;h=211c1e93ceaa9736e7b4cff8c438a20380cd0edb;hb=31afaf8b83ef975697fe6370daa4e0262ec0ca24;hp=a98f034e674d92ef715d58d1581b596df6e68617;hpb=9f36eaed6f91d5897924b551b44d1edd8cee00e2;p=lttng-modules.git

diff --git a/wrapper/trace-clock.h b/wrapper/trace-clock.h
index a98f034e..211c1e93 100644
--- a/wrapper/trace-clock.h
+++ b/wrapper/trace-clock.h
@@ -20,18 +20,14 @@
 #include <linux/time.h>
 #include <linux/hrtimer.h>
 #include <linux/percpu.h>
-#include <linux/version.h>
+#include <lttng-kernel-version.h>
 #include <asm/local.h>
 #include <lttng-kernel-version.h>
 #include <lttng-clock.h>
 #include <wrapper/compiler.h>
 #include <wrapper/percpu-defs.h>
 #include <wrapper/random.h>
-
-#if ((LTTNG_KERNEL_RANGE(3,10,0, 3,10,14) && !LTTNG_RHEL_KERNEL_RANGE(3,10,0,123,0,0, 3,10,14,0,0,0)) \
-	|| LTTNG_KERNEL_RANGE(3,11,0, 3,11,3))
-#error "Linux kernels 3.10 and 3.11 introduce a deadlock in the timekeeping subsystem. Fixed by commit 7bd36014460f793c19e7d6c94dab67b0afcfcb7f \"timekeeping: Fix HRTICK related deadlock from ntp lock changes\" in Linux."
-#endif
+#include <blacklist/timekeeping.h>
 
 extern struct lttng_trace_clock *lttng_trace_clock;
 
@@ -55,7 +51,7 @@ extern struct lttng_trace_clock *lttng_trace_clock;
  * this feature on 64-bit architectures.
  */
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0) \
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,17,0) \
 	&& BITS_PER_LONG == 64 \
 	&& !defined(LTTNG_CLOCK_NMI_SAFE_BROKEN))
 #define LTTNG_USE_NMI_SAFE_CLOCK
@@ -164,33 +160,30 @@ static inline void put_trace_clock(void)
 
 static inline u64 trace_clock_read64(void)
 {
-	struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+	struct lttng_trace_clock *ltc = LTTNG_READ_ONCE(lttng_trace_clock);
 
 	if (likely(!ltc)) {
 		return trace_clock_read64_monotonic();
 	} else {
-		read_barrier_depends();	/* load ltc before content */
 		return ltc->read64();
 	}
 }
 
 static inline u64 trace_clock_freq(void)
 {
-	struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+	struct lttng_trace_clock *ltc = LTTNG_READ_ONCE(lttng_trace_clock);
 
 	if (!ltc) {
 		return trace_clock_freq_monotonic();
 	} else {
-		read_barrier_depends();	/* load ltc before content */
 		return ltc->freq();
 	}
 }
 
 static inline int trace_clock_uuid(char *uuid)
 {
-	struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+	struct lttng_trace_clock *ltc = LTTNG_READ_ONCE(lttng_trace_clock);
 
-	read_barrier_depends();	/* load ltc before content */
 	/* Use default UUID cb when NULL */
 	if (!ltc || !ltc->uuid) {
 		return trace_clock_uuid_monotonic(uuid);
@@ -201,24 +194,22 @@ static inline int trace_clock_uuid(char *uuid)
 
 static inline const char *trace_clock_name(void)
 {
-	struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+	struct lttng_trace_clock *ltc = LTTNG_READ_ONCE(lttng_trace_clock);
 
 	if (!ltc) {
 		return trace_clock_name_monotonic();
 	} else {
-		read_barrier_depends();	/* load ltc before content */
 		return ltc->name();
 	}
 }
 
 static inline const char *trace_clock_description(void)
 {
-	struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+	struct lttng_trace_clock *ltc = LTTNG_READ_ONCE(lttng_trace_clock);
 
 	if (!ltc) {
 		return trace_clock_description_monotonic();
 	} else {
-		read_barrier_depends();	/* load ltc before content */
 		return ltc->description();
 	}
 }