[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linux-mm-commits
Subject:    [merged] smp-fix-use-un-initialized-cpumask_ipi.patch removed from -mm tree
From:       akpm () linux-foundation ! org
Date:       2013-01-31 20:06:36
Message-ID: 20130131200637.978D431C107 () corp2gmr1-1 ! hot ! corp ! google ! com
[Download RAW message or body]


The patch titled
     Subject: smp: Fix use un-initialized cpumask_ipi
has been removed from the -mm tree.  Its filename was
     smp-fix-use-un-initialized-cpumask_ipi.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Wang YanQing <udknight@gmail.com>
Subject: smp: Fix use un-initialized cpumask_ipi

c7b798525b502 ("smp: Fix SMP function call empty cpu mask race") use the
un-initialized variable cpumask_ipi when enable CONFIG_CPUMASK_OFFSTACK.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/smp.c |    4 ++++
 1 file changed, 4 insertions(+)

diff -puN kernel/smp.c~smp-fix-use-un-initialized-cpumask_ipi kernel/smp.c
--- a/kernel/smp.c~smp-fix-use-un-initialized-cpumask_ipi
+++ a/kernel/smp.c
@@ -57,6 +57,9 @@ hotplug_cfd(struct notifier_block *nfb, 
 		if (!zalloc_cpumask_var_node(&cfd->cpumask, GFP_KERNEL,
 				cpu_to_node(cpu)))
 			return notifier_from_errno(-ENOMEM);
+		if (!zalloc_cpumask_var_node(&cfd->cpumask_ipi, GFP_KERNEL,
+				cpu_to_node(cpu)))
+			return notifier_from_errno(-ENOMEM);
 		break;
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -66,6 +69,7 @@ hotplug_cfd(struct notifier_block *nfb, 
 	case CPU_DEAD:
 	case CPU_DEAD_FROZEN:
 		free_cpumask_var(cfd->cpumask);
+		free_cpumask_var(cfd->cpumask_ipi);
 		break;
 #endif
 	};
_

Patches currently in -mm which might be from udknight@gmail.com are

origin.patch
linux-next.patch

--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
[prev in list] [next in list] [prev in thread] [next in thread]