linux-kernel - Re: [PATCH V2 0/5] Drivers: hv: vmbus: Eliminate calls to BUG

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Message-ID: <20140829072918.GA842@sucs.org>
Date:	Fri, 29 Aug 2014 08:29:18 +0100
From:	Sitsofe Wheeler <sitsofe@...il.com>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>
Cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
	jasowang@...hat.com, decui@...rosoft.com
Subject: Re: [PATCH V2 0/5] Drivers: hv: vmbus: Eliminate calls to BUG_ON()

On Wed, Aug 27, 2014 at 04:25:05PM -0700, K. Y. Srinivasan wrote:
> Cleanup the channel management code and eliminate calls to BUG_ON().
> Also fix an error propagation bug in vmbus_open().
> 
> In this version of the patch-set, I have addressed comments from
> Dan Carpenter.
> 
> K. Y. Srinivasan (5):
>   Drivers: hv: vmbus: Cleanup vmbus_post_msg()
>   Drivers: hv: vmbus: Cleanup vmbus_teardown_gpadl()
>   Drivers: hv: vmbus: Cleanup vmbus_close_internal()
>   Drivers: hv: vmbus: Cleanup vmbus_establish_gpadl()
>   Drivers: hv: vmbus: Fix a bug in vmbus_open()

This patch set resolves a number of BUG_ON crashes I was hitting on
Hyper-V while booting a kernel with verification options on. With these
I can complete a 3.17.0-rc2 boot on an SMP setup although patches from
"Drivers: hv: vmbus: Miscellaneous cleanup" are needed to resolve other
non-crash issues.

Tested-by: Sitsofe Wheeler <sitsofe@...oo.com>

-- 
Sitsofe | http://sucs.org/~sits/
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