Attachment 882916 Details for Bug 1074235 – Reset percpu counters for CPU_DEAD_FROZEN (patch by Jens Axboe, in email format)

[patch] Reset percpu counters for CPU_DEAD_FROZEN (patch by Jens Axboe, in email format)

0001-Reset-percpu-counters-for-CPU_DEAD_FROZEN.patch (text/plain), 992 bytes, created by Laszlo Ersek on 2014-04-04 22:39:47 UTC

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Creator: Laszlo Ersek

Created: 2014-04-04 22:39:47 UTC

Size: 992 bytes

patch

obsolete

>From 74ff52e5bf0a30158d7a9630e94b10c1b8b2076c Mon Sep 17 00:00:00 2001
>From: Jens Axboe <axboe@kernel.dk>
>Date: Fri, 4 Apr 2014 23:32:59 +0200
>Subject: [PATCH] Reset percpu counters for CPU_DEAD_FROZEN
>
>Kernel BZ: https://bugzilla.kernel.org/show_bug.cgi?id=73501
>RHBZ:      https://bugzilla.redhat.com/show_bug.cgi?id=1074235
>
>Signed-off-by: Jens Axboe <axboe@kernel.dk>
>Reported-and-tested-by: Laszlo Ersek <lersek@redhat.com>
>Signed-off-by: Laszlo Ersek <lersek@redhat.com>
>---
> lib/percpu_counter.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
>index 8280a5d..7dd33577 100644
>--- a/lib/percpu_counter.c
>+++ b/lib/percpu_counter.c
>@@ -169,7 +169,7 @@ static int percpu_counter_hotcpu_callback(struct notifier_block *nb,
> 	struct percpu_counter *fbc;
> 
> 	compute_batch_value();
>-	if (action != CPU_DEAD)
>+	if (action != CPU_DEAD && action != CPU_DEAD_FROZEN)
> 		return NOTIFY_OK;
> 
> 	cpu = (unsigned long)hcpu;
>-- 
>1.8.3.1
>

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Attachments on bug 1074235: 872334 | 882916