Re: [Xen-devel] [PATCH 1/2] blktap: Various fixes blktap_clear_p

To:	"Isaku Yamahata" <yamahata@xxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH 1/2] blktap: Various fixes blktap_clear_pte().
From:	"Geoffrey Lefebvre" <geoffrey@xxxxxxxxx>
Date:	Mon, 4 Jun 2007 17:28:46 -0700
Cc:	Jake Wires <Jake.Wires@xxxxxxxxxxxxx>, andy <andrew.warfield@xxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Christian Limpach <Christian.Limpach@xxxxxxxxxxxxx>
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Hi,

Here is an updated version of the patch. It's similar to the original
except that I moved the lookup for the blktap info struct after the
check for vma->vm_file. The reason is that the mmap code sets vm_file
to NULL on failure.

cheers

geoffrey


On 6/1/07, Isaku Yamahata <yamahata@xxxxxxxxxxxxx> wrote:

Various fixes blktap_clear_pte().
added pte_get_and_clear_full() for auto translated physmap mode.
added pte_get_and_clear_full() for io ring page.
fix index calculation of map[].
This function is always called so that removed warning.

--
yamahata

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Re: [Xen-devel] [PATCH 1/2] blktap: Various fixes blktap_clear_pte().