Eric Lee / linux-smarc-t335x-v3.2

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Commit 72f279b256d520e321a850880d094bc0bcbf45d6

Authored by Sheng Yang
Committed by Ingo Molnar
1 parent 964fe080d9
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

generic-ipi: Fix misleading smp_call_function*() description 

After commit:8969a5ede0f9e17da4b943712429aef2c9bcd82b
"generic-ipi: remove kmalloc()", wait = 0 can be guaranteed.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>
LKML-Reference: <1256210374-25354-1-git-send-email-sheng@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Showing 1 changed file with 3 additions and 8 deletions Side-by-side Diff

... ... @@ -265,9 +265,7 @@
265 265 * @info: An arbitrary pointer to pass to the function.
266 266 * @wait: If true, wait until function has completed on other CPUs.
267 267 *
268   - * Returns 0 on success, else a negative status code. Note that @wait
269   - * will be implicitly turned on in case of allocation failures, since
270   - * we fall back to on-stack allocation.
  268 + * Returns 0 on success, else a negative status code.
271 269 */
272 270 int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
273 271 int wait)
... ... @@ -355,9 +353,7 @@
355 353 * @wait: If true, wait (atomically) until function has completed
356 354 * on other CPUs.
357 355 *
358   - * If @wait is true, then returns once @func has returned. Note that @wait
359   - * will be implicitly turned on in case of allocation failures, since
360   - * we fall back to on-stack allocation.
  356 + * If @wait is true, then returns once @func has returned.
361 357 *
362 358 * You must not call this function with disabled interrupts or from a
363 359 * hardware interrupt handler or from a bottom half handler. Preemption
... ... @@ -443,8 +439,7 @@
443 439 * Returns 0.
444 440 *
445 441 * If @wait is true, then returns once @func has returned; otherwise
446   - * it returns just before the target cpu calls @func. In case of allocation
447   - * failure, @wait will be implicitly turned on.
  442 + * it returns just before the target cpu calls @func.
448 443 *
449 444 * You must not call this function with disabled interrupts or from a
450 445 * hardware interrupt handler or from a bottom half handler.