Re: [PATCH V2 0/5] Drivers: hv: vmbus: Eliminate calls to BUG_ON()

From: Sitsofe Wheeler
Date: Fri Aug 29 2014 - 03:29:30 EST

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@xxxxxxxxx>

Sitsofe |
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