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authorDave Kleikamp <shaggy@austin.ibm.com>2005-06-20 08:44:00 -0500
committerDave Kleikamp <shaggy@austin.ibm.com>2005-06-20 08:44:00 -0500
commitd039ba24f135147f60a13bcaa768189a5b773b6e (patch)
tree444b7596ab8312b5954d15c3135052a7c09c6fbe /include/asm-ia64/processor.h
parent72e3148a6e987974e3e949c5668e5ca812d7c818 (diff)
parent8b22c249e7de453961e4d253b19fc2a0bdd65d53 (diff)
Merge with /home/shaggy/git/linus-clean/
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(); \