linux-kernel - [tip:core/locking] generic-ipi/locking: Fix misleading smp_call_function

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <tip-15e71911fcc655508e02f767a3d9b8b138051d2b@git.kernel.org>
Date:	Mon, 19 Aug 2013 02:55:43 -0700
From:	tip-bot for Xie XiuQi <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	rusty@...tcorp.com.au, a.p.zijlstra@...llo.nl,
	jens.axboe@...cle.com, xiexiuqi@...wei.com, tglx@...utronix.de,
	sheng@...ux.intel.com
Subject: [tip:core/locking] generic-ipi/locking:
  Fix misleading smp_call_function_any() description

Commit-ID:  15e71911fcc655508e02f767a3d9b8b138051d2b
Gitweb:     http://git.kernel.org/tip/15e71911fcc655508e02f767a3d9b8b138051d2b
Author:     Xie XiuQi <xiexiuqi@...wei.com>
AuthorDate: Mon, 29 Jul 2013 11:52:24 +0800
Committer:  Ingo Molnar <mingo@...nel.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@...wei.com>
Cc: Sheng Yang <sheng@...ux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Jens Axboe <jens.axboe@...cle.com>
Cc: Rusty Russell <rusty@...tcorp.com.au>
Link: http://lkml.kernel.org/r/51F5E6F8.1000801@huawei.com
Signed-off-by: Ingo Molnar <mingo@...nel.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/