[PATCH] generic-ipi: Fix misleading smp_call_function_any() description

[PATCH] generic-ipi: Fix misleading smp_call_function_any() description

[Xie XiuQi]

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

Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Cc: Sheng Yang <sheng@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
---
 kernel/smp.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/smp.c b/kernel/smp.c
index fe9f773..b1c9034 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -278,8 +278,6 @@ EXPORT_SYMBOL(smp_call_function_single);
  * @wait: If true, wait until function has completed.
  *
  * Returns 0 on success, else a negative status code (if no cpus were online).
- * Note that @wait will be implicitly turned on in case of allocation failures,
- * since we fall back to on-stack allocation.
  *
  * Selection preference:
  *	1) current cpu if in @mask
-- 
1.8.2.1

Re: [PATCH] generic-ipi: Fix misleading smp_call_function_any() description

[Xie XiuQi]

Cc: Ingo Molnar <mingo@elte.hu>

On 2013/7/29 11:52, Xie XiuQi wrote:
> After commit:8969a5ede0f9e17da4b943712429aef2c9bcd82b
> "generic-ipi: remove kmalloc()", wait = 0 can be guaranteed.
> 
> Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
> Cc: Sheng Yang <sheng@linux.intel.com>
> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Cc: Jens Axboe <jens.axboe@oracle.com>
> Cc: Rusty Russell <rusty@rustcorp.com.au>
> ---
>  kernel/smp.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/kernel/smp.c b/kernel/smp.c
> index fe9f773..b1c9034 100644
> --- a/kernel/smp.c
> +++ b/kernel/smp.c
> @@ -278,8 +278,6 @@ EXPORT_SYMBOL(smp_call_function_single);
>   * @wait: If true, wait until function has completed.
>   *
>   * Returns 0 on success, else a negative status code (if no cpus were online).
> - * Note that @wait will be implicitly turned on in case of allocation failures,
> - * since we fall back to on-stack allocation.
>   *
>   * Selection preference:
>   *	1) current cpu if in @mask
> 

[tip:core/locking] generic-ipi/locking: Fix misleading smp_call_function_any() description

[tip-bot for Xie XiuQi]

Commit-ID:  15e71911fcc655508e02f767a3d9b8b138051d2b
Gitweb:     http://git.kernel.org/tip/15e71911fcc655508e02f767a3d9b8b138051d2b
Author:     Xie XiuQi <xiexiuqi@huawei.com>
AuthorDate: Mon, 29 Jul 2013 11:52:24 +0800
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Mon, 19 Aug 2013 09:03:50 +0200

generic-ipi/locking: Fix misleading smp_call_function_any() description

Fix locking description: after commit 8969a5ede0f9e17da4b9437
("generic-ipi: remove kmalloc()"), wait = 0 can be guaranteed
because we don't kmalloc() anymore.

Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Cc: Sheng Yang <sheng@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Link: http://lkml.kernel.org/r/51F5E6F8.1000801@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 kernel/smp.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/smp.c b/kernel/smp.c
index fe9f773..b1c9034 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -278,8 +278,6 @@ EXPORT_SYMBOL(smp_call_function_single);
  * @wait: If true, wait until function has completed.
  *
  * Returns 0 on success, else a negative status code (if no cpus were online).
- * Note that @wait will be implicitly turned on in case of allocation failures,
- * since we fall back to on-stack allocation.
  *
  * Selection preference:
  *	1) current cpu if in @mask