linux-kernel - Re: [PATCH-v2 0/4] Bugfixes for .39-rc8

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Date:	Fri, 13 May 2011 17:05:29 -0700
From:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	linux-scsi <linux-scsi@...r.kernel.org>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Christoph Hellwig <hch@....de>,
	Kiran Patil <kiran.patil@...el.com>,
	"Love, Robert W" <robert.w.love@...el.com>
Subject: Re: [PATCH-v2 0/4] Bugfixes for .39-rc8

On Tue, 2011-05-10 at 21:35 -0700, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <nab@...ux-iscsi.org>
> 
> Hi James and Co,
> 
> This series is resend of four patches that should be considered critical
> target core bugfixes for .39 that have been under stress testing in a
> couple of different labs recently using lio-core-2.6.git/lio-4.1 (.39-rcX)
> and /lio-4.0 (.38.3) branch code.
> 
> These are all important bugfixes that are required to run with in-flight
> .40 HW target drivers in the upstream LIO tree.  This includes fixes for
> the main transport_do_task_sg_chain() Data I/O mapping logic, and
> task->task_sg[] shutdown path from MSI-X interrupt context.  These bugfixes
> apply for all of the following HW fabric drivers:
> 
>    tcm_fc(openfcoe) w/ ddp offload, tcm_qla2xxx, ib_srpt and ibmvscsis.
> 
> These patches address issues that are able to easily produce OOPsen with
> small backstore max_sectors values.  Please review+apply for .39 and
> also queue into stable@...nel.org for .38.
>
> The series is also available here for a direct pull:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/nab/scsi-post-merge-2.6.git for-39-rc-fixes
> 

Hi James,

Ping on getting these bugfixes merged into .39-final and .38 stable..? 

The tcm_fc(openfcoe) HW offload also in the queue for .40 from Kiran &
Co depends upon these fixes.

Thanks,

--nab

> and has been made against the following scsi-rc-fixes-2.6.git HEAD:
> 
> commit c055f5b2614b4f758ae6cc86733f31fa4c2c5844
> Author: James Bottomley <James.Bottomley@...e.de>
> Date:   Sun May 1 09:42:07 2011 -0500
> 
>     [SCSI] fix oops in scsi_run_queue()
> 
> Thanks!
> 
> --nab
> 
> Nicholas Bellinger (4):
>   target: Fix multi task->task_sg[] chaining logic bug
>   target: Fix interrupt context bug with stats_lock and
>     core_tmr_alloc_req
>   target: Fix bug with task_sg chained transport_free_dev_tasks release
>   target: Fix task->task_execute_queue=1 clear bug + LUN_RESET OOPs
> 
>  drivers/target/target_core_device.c    |    4 +-
>  drivers/target/target_core_tmr.c       |    7 +++--
>  drivers/target/target_core_transport.c |   46 +++++++++++++++++++++++--------
>  include/target/target_core_base.h      |    1 +
>  include/target/target_core_transport.h |    1 +
>  5 files changed, 42 insertions(+), 17 deletions(-)
> 

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