From: Olaf Hering <olaf@aepfle.de>
To: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, apw@canonical.com,
vkuznets@redhat.com
Subject: Re: [PATCH 2/6] Drivers: hv: hv_balloon: keep locks balanced on add_memory() failure
Date: Thu, 12 Mar 2015 11:45:43 +0100 [thread overview]
Message-ID: <20150312104543.GB11353@aepfle.de> (raw)
In-Reply-To: <1426125419-12571-2-git-send-email-kys@microsoft.com>
On Wed, Mar 11, K. Y. Srinivasan wrote:
> +++ b/drivers/hv/hv_balloon.c
> @@ -652,6 +652,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size,
> }
> has->ha_end_pfn -= HA_CHUNK;
> has->covered_end_pfn -= processed_pfn;
> + mutex_lock(&dm_device.ha_region_mutex);
> break;
> }
Should it call the wrapper instead of doing mutex_lock directly?
Like 'acquire_region_mutex(false);'.
Olaf
next prev parent reply other threads:[~2015-03-12 10:45 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-12 1:55 [PATCH 0/6] drivers: hv: vmbus: Some miscellaneous fixes for Linux 4.0 K. Y. Srinivasan
2015-03-12 1:56 ` [PATCH 1/6] Drivers: hv: vmbus: Perform device register in the per-channel work element K. Y. Srinivasan
2015-03-12 1:56 ` [PATCH 2/6] Drivers: hv: hv_balloon: keep locks balanced on add_memory() failure K. Y. Srinivasan
2015-03-12 10:45 ` Olaf Hering [this message]
2015-03-12 10:53 ` Vitaly Kuznetsov
2015-03-12 11:14 ` Olaf Hering
2015-03-12 11:41 ` Dan Carpenter
2015-03-12 12:44 ` KY Srinivasan
2015-03-12 1:56 ` [PATCH 3/6] Drivers: hv: hv_balloon: don't lose memory when onlining order is not natural K. Y. Srinivasan
2015-03-12 1:56 ` [PATCH 4/6] Correcting truncation error for constant HV_CRASH_CTL_CRASH_NOTIFY K. Y. Srinivasan
2015-03-12 1:56 ` [PATCH 5/6] tools: hv: fcopy_daemon: support >2GB files for x86_32 guest K. Y. Srinivasan
2015-03-12 1:56 ` [PATCH 6/6] Drivers: hv: vmbus: Fix a bug in rescind processing in vmbus_close_internal() K. Y. Srinivasan
2015-03-12 9:02 ` [PATCH 1/6] Drivers: hv: vmbus: Perform device register in the per-channel work element Greg KH
2015-03-12 9:03 ` Greg KH
2015-03-12 13:12 ` KY Srinivasan
2015-03-12 13:28 ` Greg KH
2015-03-12 14:16 ` KY Srinivasan
2015-03-16 20:22 ` Greg KH
2015-03-16 21:09 ` KY Srinivasan
2015-03-17 4:50 ` KY Srinivasan
2015-03-12 10:44 ` Olaf Hering
2015-03-12 14:28 ` KY Srinivasan
2015-03-12 16:09 ` KY Srinivasan
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