From: Tejun Heo <tj@kernel.org>
To: wenxiong@linux.vnet.ibm.com
Cc: jgarzik@pobox.com, linux-ide@vger.kernel.org, bjking1@us.ibm.com,
wenxiong@us.ibm.com
Subject: Re: [PATCH] ahci: Add support for EEH error recovery
Date: Thu, 14 May 2015 11:13:31 -0400 [thread overview]
Message-ID: <20150514151331.GI11388@htj.duckdns.org> (raw)
In-Reply-To: <1431567319-3380-1-git-send-email-wenxiong@linux.vnet.ibm.com>
Hello, Wen.
On Wed, May 13, 2015 at 08:35:19PM -0500, wenxiong@linux.vnet.ibm.com wrote:
> From: Wen Xiong <wenxiong@linux.vnet.ibm.com>
>
> This patch adds the callback functions to support EEH error
> recovery in ahci driver. Also adds the code in ahci_error_handler
> to issue an MMIO load then check if it is in EEH. If it is in EEH,
> ahci_error_handler will wait until EEH recovery is completed.
Can you please explain why we would want this? What does it buy us?
Thanks.
--
tejun
next prev parent reply other threads:[~2015-05-14 15:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-14 1:35 [PATCH] ahci: Add support for EEH error recovery wenxiong
2015-05-14 15:13 ` Tejun Heo [this message]
2015-05-14 15:44 ` Brian King
2015-05-14 15:48 ` Tejun Heo
2015-05-14 16:09 ` Brian King
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