Subject: + cpu-hotplug-smp-flush-any-pending-ipi-callbacks-before-cpu-offline-v2.patch added to -mm tree
To: srivatsa.bhat@xxxxxxxxxxxxxxxxxx,oleg@xxxxxxxxxx,peterz@xxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 10 Jun 2014 15:28:58 -0700
The patch titled
Subject: CPU hotplug, smp: Execute any pending IPI callbacks before CPU offline
has been added to the -mm tree. Its filename is
cpu-hotplug-smp-flush-any-pending-ipi-callbacks-before-cpu-offline-v2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/cpu-hotplug-smp-flush-any-pending-ipi-callbacks-before-cpu-offline-v2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/cpu-hotplug-smp-flush-any-pending-ipi-callbacks-before-cpu-offline-v2.patch
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------------------------------------------------------
From: "Srivatsa S. Bhat" <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
Subject: CPU hotplug, smp: Execute any pending IPI callbacks before CPU offline
Changes in v2:
* Modified the changelog to make it more accurate and easy to understand,
based on feedback by Peter Zijlstra.
* Replaced the term "IPI functions" with "IPI callbacks" in the code
comments.
* Absolutely no changes in the code.
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@xxxxxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/smp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN kernel/smp.c~cpu-hotplug-smp-flush-any-pending-ipi-callbacks-before-cpu-offline-v2 kernel/smp.c
--- a/kernel/smp.c~cpu-hotplug-smp-flush-any-pending-ipi-callbacks-before-cpu-offline-v2
+++ a/kernel/smp.c
@@ -212,10 +212,10 @@ void generic_smp_call_function_single_in
*
* Flush any pending smp-call-function callbacks queued on this CPU. This is
* invoked by the generic IPI handler, as well as by a CPU about to go offline,
- * to ensure that all pending IPI functions are run before it goes completely
+ * to ensure that all pending IPI callbacks are run before it goes completely
* offline.
*
- * Loop through the call_single_queue and run all the queued functions.
+ * Loop through the call_single_queue and run all the queued callbacks.
* Must be called with interrupts disabled.
*/
static void flush_smp_call_function_queue(bool warn_cpu_offline)
_
Patches currently in -mm which might be from srivatsa.bhat@xxxxxxxxxxxxxxxxxx are
origin.patch
cpu-hotplug-smp-flush-any-pending-ipi-callbacks-before-cpu-offline.patch
cpu-hotplug-smp-flush-any-pending-ipi-callbacks-before-cpu-offline-v2.patch
linux-next.patch
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