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authorKoen Kooi <koen@openembedded.org>2009-05-31 12:01:05 +0200
committerKoen Kooi <koen@openembedded.org>2009-05-31 12:01:05 +0200
commit6a8b960862f8ab048b42009d6c30d1d5561ad6bb (patch)
tree86ae2e2561bd29d1ce89646ac0512fd4839ef852 /recipes/kexecboot/linux-kexecboot-2.6.24/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch
parentd6606b5feead01f3f6b4e51d0d4cddb601ac7992 (diff)
parentbbbd4a93365f40d6d43e13486172729ebfa3f9ad (diff)
Merge branch 'org.openembedded.dev' of git@git.openembedded.org:openembedded into org.openembedded.dev
Diffstat (limited to 'recipes/kexecboot/linux-kexecboot-2.6.24/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch')
-rw-r--r--recipes/kexecboot/linux-kexecboot-2.6.24/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch15
1 files changed, 15 insertions, 0 deletions
diff --git a/recipes/kexecboot/linux-kexecboot-2.6.24/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch b/recipes/kexecboot/linux-kexecboot-2.6.24/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch
new file mode 100644
index 0000000000..9d7020d9f1
--- /dev/null
+++ b/recipes/kexecboot/linux-kexecboot-2.6.24/0001-time-prevent-the-loop-in-timespec_add_ns-from-bei.patch
@@ -0,0 +1,15 @@
+Index: linux-2.6.24/include/linux/time.h
+===================================================================
+--- a/include/linux/time.h
++++ b/include/linux/time.h
+@@ -172,6 +172,10 @@ 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++;
+ }