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authorLeon Woestenberg <leon.woestenberg@gmail.com>2008-02-16 14:33:38 +0000
committerLeon Woestenberg <leon.woestenberg@gmail.com>2008-02-16 14:33:38 +0000
commit08653b16db42a76bc13abae66d34c0fc85f9a99c (patch)
treeb6b247aeb19ca92a0911739725c2f246fe6c1e8b /packages/linux/linux-2.6.24
parent1a206edc5115255238d69aa90badffa04927549b (diff)
linux-(rt-)2.6.24: Fix clock resolution to nanosecond.
Diffstat (limited to 'packages/linux/linux-2.6.24')
-rw-r--r--packages/linux/linux-2.6.24/powerpc-clockres.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/packages/linux/linux-2.6.24/powerpc-clockres.patch b/packages/linux/linux-2.6.24/powerpc-clockres.patch
new file mode 100644
index 0000000000..a0cf05b44e
--- /dev/null
+++ b/packages/linux/linux-2.6.24/powerpc-clockres.patch
@@ -0,0 +1,47 @@
+Index: linux-2.6.24/arch/powerpc/kernel/asm-offsets.c
+===================================================================
+--- linux-2.6.24.orig/arch/powerpc/kernel/asm-offsets.c 2008-02-16 13:54:09.000000000 +0100
++++ linux-2.6.24/arch/powerpc/kernel/asm-offsets.c 2008-02-16 13:54:30.000000000 +0100
+@@ -312,7 +312,7 @@
+ DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
+ DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
+ DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
+- DEFINE(CLOCK_REALTIME_RES, TICK_NSEC);
++ DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
+
+ #ifdef CONFIG_BUG
+ DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
+Index: linux-2.6.24/include/linux/hrtimer.h
+===================================================================
+--- linux-2.6.24.orig/include/linux/hrtimer.h 2008-02-16 13:54:09.000000000 +0100
++++ linux-2.6.24/include/linux/hrtimer.h 2008-02-16 13:54:33.000000000 +0100
+@@ -223,11 +223,13 @@
+ * idea of the (in)accuracy of timers. Timer values are rounded up to
+ * this resolution values.
+ */
+-# define KTIME_HIGH_RES (ktime_t) { .tv64 = 1 }
++# define HIGH_RES_NSEC 1
++# define KTIME_HIGH_RES (ktime_t) { .tv64 = HIGH_RES_NSEC }
++# define MONOTONIC_RES_NSEC HIGH_RES_NSEC
+ # define KTIME_MONOTONIC_RES KTIME_HIGH_RES
+
+ #else
+-
++# define MONOTONIC_RES_NSEC LOW_RES_NSEC
+ # define KTIME_MONOTONIC_RES KTIME_LOW_RES
+
+ /*
+Index: linux-2.6.24/include/linux/ktime.h
+===================================================================
+--- linux-2.6.24.orig/include/linux/ktime.h 2008-02-16 13:54:09.000000000 +0100
++++ linux-2.6.24/include/linux/ktime.h 2008-02-16 13:54:36.000000000 +0100
+@@ -316,7 +316,8 @@
+ * idea of the (in)accuracy of timers. Timer values are rounded up to
+ * this resolution values.
+ */
+-#define KTIME_LOW_RES (ktime_t){ .tv64 = TICK_NSEC }
++#define LOW_RES_NSEC TICK_NSEC
++#define KTIME_LOW_RES (ktime_t){ .tv64 = LOW_RES_NSEC }
+
+ /* Get the monotonic time in timespec format: */
+ extern void ktime_get_ts(struct timespec *ts);