Message-ID: <546455C1.6000405@suse.com>
Date: Thu, 13 Nov 2014 07:54:57 +0100
From: Juergen Gross <jgross@suse.com>
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com,
        david.vrabel@citrix.com, boris.ostrovsky@oracle.com, x86@kernel.org,
        tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com
Subject: Re: [PATCH V3 5/8] x86: Introduce function to get pmd entry pointer
References: <1415684626-18590-1-git-send-email-jgross@suse.com> <1415684626-18590-6-git-send-email-jgross@suse.com> <20141112221204.GD7549@laptop.dumpdata.com>
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On 11/12/2014 11:12 PM, Konrad Rzeszutek Wilk wrote:
> On Tue, Nov 11, 2014 at 06:43:43AM +0100, Juergen Gross wrote:
>> Introduces lookup_pmd_address() to get the address of the pmd entry
>> related to a virtual address in the current address space. This
>> function is needed for support of a virtual mapped sparse p2m list
>> in xen pv domains.
>>
> What is wrong with using 'lookup_address' ?

It doesn't return the needed information. I need a pmd entry here, not
a pte entry.


Juergen
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