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authorJeff Garzik <jgarzik@pretzel.yyz.us>2005-06-18 13:21:24 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-18 13:21:24 -0400
commitf9d1fe9630b94007902987c39d19f04dc6256eac (patch)
tree1fbe757adc72469ddbc3c1e4132392164b2e0271 /include/asm-ia64/processor.h
parent54258a8a2e81b11e486068f1cfab9fe4746b8420 (diff)
parent9ee1c939d1cb936b1f98e8d81aeffab57bae46ab (diff)
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'include/asm-ia64/processor.h')
-rw-r--r--include/asm-ia64/processor.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h
index 9e1ba8b7fb6..91bbd1f2246 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -403,7 +403,10 @@ extern void ia64_setreg_unknown_kr (void);
* task_struct at this point.
*/
-/* Return TRUE if task T owns the fph partition of the CPU we're running on. */
+/*
+ * Return TRUE if task T owns the fph partition of the CPU we're running on.
+ * Must be called from code that has preemption disabled.
+ */
#define ia64_is_local_fpu_owner(t) \
({ \
struct task_struct *__ia64_islfo_task = (t); \
@@ -411,7 +414,10 @@ extern void ia64_setreg_unknown_kr (void);
&& __ia64_islfo_task == (struct task_struct *) ia64_get_kr(IA64_KR_FPU_OWNER)); \
})
-/* Mark task T as owning the fph partition of the CPU we're running on. */
+/*
+ * Mark task T as owning the fph partition of the CPU we're running on.
+ * Must be called from code that has preemption disabled.
+ */
#define ia64_set_local_fpu_owner(t) do { \
struct task_struct *__ia64_slfo_task = (t); \
__ia64_slfo_task->thread.last_fph_cpu = smp_processor_id(); \