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| author | Jeff Garzik <jgarzik@pretzel.yyz.us> | 2005-06-26 23:38:58 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-26 23:38:58 -0400 |
| commit | 5696c1944a33b4434a9a1ebb6383b906afd43a10 (patch) | |
| tree | 16fbe6ba431bcf949ee8645510b0c2fd39b5810f /include/asm-ia64/processor.h | |
| parent | 66b04a80eea60cabf9d89fd34deb3234a740052f (diff) | |
| parent | 020f46a39eb7b99a575b9f4d105fce2b142acdf1 (diff) | |
| download | lwn-5696c1944a33b4434a9a1ebb6383b906afd43a10.tar.gz lwn-5696c1944a33b4434a9a1ebb6383b906afd43a10.zip | |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'include/asm-ia64/processor.h')
| -rw-r--r-- | include/asm-ia64/processor.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h index 9e1ba8b7fb68..91bbd1f22461 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(); \ |