linux-kernel - Re: [PATCH 1/3] pci: Provide Multiple Error Received and no error source id support on AER

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Date:	Thu, 11 Jun 2009 11:56:13 -0700
From:	Jesse Barnes <jesse.barnes@...el.com>
To:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH 1/3] pci: Provide Multiple Error Received and no error
 source id support on AER

On Tue, 05 May 2009 14:22:12 +0800
"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com> wrote:

> Based on PCI Express AER specs, a root port might receive multiple
> TLP errors while it could only save a correctable error source id
> and an uncorrectable error source id at the same time. In addition,
> some root port hardware might be unable to provide a correct source
> id, i.e., the source id provided by root port might be equal to 0.
> 
> The patchset implements the support in kernel by searching the device
> tree under the root port.
> 
> Patch 1 changes parameter cb of function pci_walk_bus to return a
> value. When cb return non-zero, pci_walk_bus stops more searching on
> the device tree.
> 
> Signed-off-by: Zhang Yanmin <yanmin.zhang@...ux.intel.com>

Yanmin, can you resend these against my linux-next tree later today or
tomorrow?  I'll be rebasing to get the latest bits there, and there are
some conflicts (would also be good to get some additional review; I
definitely like this feature though).

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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