linux-kernel - Re: APEI: Can not request iomem region for GARs

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Message-ID: <CAErSpo5L1X49hfeJ69o_hwfuzMT6R+7TKhGbYCkyqtqVpf4tEw@mail.gmail.com>
Date:	Fri, 26 Aug 2011 07:43:37 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Huang Ying <ying.huang@...el.com>
Cc:	Pavel Ivanov <paivanof@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: APEI: Can not request iomem region for GARs

On Thu, Aug 25, 2011 at 10:13 PM, Huang Ying <ying.huang@...el.com> wrote:
> Hi, Pavel,
>
> Sorry,  there is a minor issue in the patch.  Do you have time to try
> the updated version attached.

I think Yinghai's patch is a better approach (though it needs a changelog).

The ACPI NVS space should not be marked as "busy" by the e820 code in
the iomem_resource tree.

It's way too complicated to mess around with registering NVS space and
trying to deal with it specially in APEI.

Bjorn
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