diff options
Diffstat (limited to 'meta/packages/linux/linux-omap-2.6.24.7/time-prevent-the-loop-in-timespec_add_ns-from-being-optimised-away.patch')
| -rw-r--r-- | meta/packages/linux/linux-omap-2.6.24.7/time-prevent-the-loop-in-timespec_add_ns-from-being-optimised-away.patch | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/meta/packages/linux/linux-omap-2.6.24.7/time-prevent-the-loop-in-timespec_add_ns-from-being-optimised-away.patch b/meta/packages/linux/linux-omap-2.6.24.7/time-prevent-the-loop-in-timespec_add_ns-from-being-optimised-away.patch deleted file mode 100644 index 58cbe7be2..000000000 --- a/meta/packages/linux/linux-omap-2.6.24.7/time-prevent-the-loop-in-timespec_add_ns-from-being-optimised-away.patch +++ /dev/null @@ -1,29 +0,0 @@ -commit 38332cb98772f5ea757e6486bed7ed0381cb5f98 -Author: Segher Boessenkool <segher@kernel.crashing.org> -Date: Tue Mar 4 14:59:54 2008 -0800 - - time: prevent the loop in timespec_add_ns() from being optimised away - - Since some architectures don't support __udivdi3(). - - Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org> - Cc: john stultz <johnstul@us.ibm.com> - Cc: Ingo Molnar <mingo@elte.hu> - Signed-off-by: Andrew Morton <akpm@linux-foundation.org> - Signed-off-by: Thomas Gleixner <tglx@linutronix.de> - -diff --git a/include/linux/time.h b/include/linux/time.h -index 2091a19..d32ef0a 100644 ---- a/include/linux/time.h -+++ b/include/linux/time.h -@@ -174,6 +174,10 @@ static inline void timespec_add_ns(struct timespec *a, u64 ns) - { - ns += a->tv_nsec; - while(unlikely(ns >= NSEC_PER_SEC)) { -+ /* The following asm() prevents the compiler from -+ * optimising this loop into a modulo operation. */ -+ asm("" : "+r"(ns)); -+ - ns -= NSEC_PER_SEC; - a->tv_sec++; - } |