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From: Sachin Sant <sachinp@linux.vnet.ibm.com>
To: Bharata B Rao <bharata@linux.vnet.ibm.com>
Cc: linuxppc-dev@ozlabs.org, nfont@linux.vnet.ibm.com
Subject: Re: [FIX PATCH v1] powerpc/pseries: Fix reference count leak during CPU unplug
Date: Thu, 9 Mar 2017 11:48:39 +0530	[thread overview]
Message-ID: <F4FE280B-9F47-4ABF-85BC-A166710CF47B@linux.vnet.ibm.com> (raw)
In-Reply-To: <1489034268-24888-1-git-send-email-bharata@linux.vnet.ibm.com>


> Fix this by ensuring that of_node_put() is called only from the
> error path in dlpar_cpu_remove_by_index(). In the normal path,
> of_node_put() happens as part of dlpar_detach_node().
> 
> Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
> Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com>
> ---
> Changes in v1:
> - Fixed the refcount problem in the userspace driven unplug path
>  in addition to in-kernel unplug path. (Sachin Sant)
> 
> v0: https://patchwork.ozlabs.org/patch/736547/
> 

Thanks Bharata.
Tested cpu hotplug/unplug with this fix on a PowrVM LPAR. 

Tested-by : Sachin Sant <sachinp@linux.vnet.ibm.com>

Thanks
-Sachin

  reply	other threads:[~2017-03-09  6:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-09  4:37 [FIX PATCH v1] powerpc/pseries: Fix reference count leak during CPU unplug Bharata B Rao
2017-03-09  6:18 ` Sachin Sant [this message]
2017-03-09 10:52 ` Michael Ellerman
2017-03-09 21:34 ` Tyrel Datwyler
2017-03-13 10:29   ` Bharata B Rao
2017-03-14 20:42     ` Tyrel Datwyler
2017-03-15 10:48       ` Sachin Sant
2017-03-22 16:17       ` Michael Bringmann
2022-03-11 17:14 ` Christophe Leroy

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