linux-kernel - RE: [PATCH] iommu: fix end address of vm area comparation in alloc_iovm

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Message-ID: <496565EC904933469F292DDA3F1663E602CA4D894D@dlee06.ent.ti.com>
Date:	Tue, 17 Aug 2010 01:08:04 -0500
From:	"Guzman Lugo, Fernando" <fernando.lugo@...com>
To:	Hiroshi DOYU <Hiroshi.DOYU@...ia.com>
CC:	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Kanigeri, Hari" <h-kanigeri2@...com>
Subject: RE: [PATCH] iommu: fix end address of vm area comparation in
 alloc_iovm_area


>From: Hiroshi DOYU [Hiroshi.DOYU@...ia.com]
>Sent: Tuesday, August 17, 2010 12:27 AM
>To: Guzman Lugo, Fernando
>Cc: linux-omap@...r.kernel.org; linux-kernel@...r.kernel.org; Kanigeri, Hari
>Subject: Re: [PATCH] iommu: fix end address of vm area comparation in alloc_iovm_area
>
>From: "ext Guzman Lugo, Fernando" <fernando.lugo@...com>
>Subject: RE: [PATCH] iommu: fix end address of vm area comparation in alloc_iovm_area
>Date: Tue, 17 Aug 2010 06:48:14 +0200
>
>> From: linux-omap-owner@...r.kernel.org [linux-omap-owner@...r.kernel.org] On Behalf Of Guzman Lugo, Fernando [fernando.lugo@...com]
>> Sent: Monday, August 16, 2010 10:51 PM
>> To: linux-omap@...r.kernel.org; linux-kernel@...r.kernel.org
>> Cc: Hiroshi.DOYO@...ia.com; Kanigeri, Hari
>> Subject: [PATCH] iommu: fix end address of vm area comparation in alloc_iovm_area
>>
>> From cc48c0adaee97c8385a356aefa5b64a51818b4fd Mon Sep 17 00:00:00 2001
>> From: Fernando Guzman Lugo <x0095840@...com>
>> Date: Mon, 16 Aug 2010 22:28:24 -0500
>> Subject: [PATCH] iommu: fix end address of vm area comparation in alloc_iovm_area
>>
>> End address of the vm area is “start + bytes -1”,
>> not “start + byte”. This patch fixes that issue by doing
>> an inclusive comparison with tmp->da_start. This issue
>> was preventing allocate an area of size exactly the same
>> than the free area. I did no change the value of da_end
>> of each vm area because it is used to get area size in
>> several places.
>
>Ok for me. Is this patch against the latest?

not it isn't, but I don't think it could have issues applying. However I will resend it, base against the latest and include you ack.

Regards,
Fernando.

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