From: Brian King <brking@linux.vnet.ibm.com>
To: "Philip J. Kelleher" <pjk1939@linux.vnet.ibm.com>
Cc: axboe@kernel.dk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/2] rsxx: Moving pci_map_page to prevent overflow.
Date: Wed, 04 Sep 2013 14:19:53 -0500 [thread overview]
Message-ID: <522787D9.6090807@linux.vnet.ibm.com> (raw)
In-Reply-To: <20130904185935.GF24898@oc6784271780.ibm.com>
On 09/04/2013 01:59 PM, Philip J. Kelleher wrote:
> From: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
>
> The pci_map_page function has been moved into our
> issued workqueue to prevent an us running out of
> mappable addresses on non-HWWD PCIe x8 slots. The
> maximum amount that can possible be mapped at one
> time now is: 255 dmas X 4 dma channels X 4096 Bytes.
>
> Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
--
Brian King
Power Linux I/O
IBM Linux Technology Center
prev parent reply other threads:[~2013-09-04 19:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-04 18:59 [PATCH v3 2/2] rsxx: Moving pci_map_page to prevent overflow Philip J. Kelleher
2013-09-04 19:19 ` Brian King [this message]
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