linux-kernel - Re: [PATCH v3 1/6] iommu/core: split mapping to page sizes as supported by the hardware

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Date:	Tue, 11 Oct 2011 12:21:15 +0200
From:	"Roedel, Joerg" <Joerg.Roedel@....com>
To:	Ohad Ben-Cohen <ohad@...ery.com>
CC:	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	David Woodhouse <dwmw2@...radead.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	David Brown <davidb@...eaurora.org>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stepan Moskovchenko <stepanm@...eaurora.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	Hiroshi Doyu <hdoyu@...dia.com>
Subject: Re: [PATCH v3 1/6] iommu/core: split mapping to page sizes as
 supported by the hardware

On Mon, Oct 10, 2011 at 06:01:06PM -0400, Ohad Ben-Cohen wrote:
> > On Mon, Oct 10, 2011 at 5:36 PM, Roedel, Joerg <Joerg.Roedel@....com> wrote:
> >> The master branch is best to base your patches on for generic work.
> 
> It looks like the master branch is missing something like this:
> 
> >From acb316aa4bcaf383e8cb1580e30c8635e0a34369 Mon Sep 17 00:00:00 2001
> From: Ohad Ben-Cohen <ohad@...ery.com>
> Date: Mon, 10 Oct 2011 23:55:51 +0200
> Subject: [PATCH] iommu/core: fix build issue
> 
> Fix this:
> 
> drivers/iommu/iommu.c: In function 'iommu_commit':
> drivers/iommu/iommu.c:291: error: 'iommu_ops' undeclared (first use in
> this function)
> 
> Signed-off-by: Ohad Ben-Cohen <ohad@...ery.com>
> ---
>  drivers/iommu/iommu.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> index 909b0d2..a5131f1 100644
> --- a/drivers/iommu/iommu.c
> +++ b/drivers/iommu/iommu.c
> @@ -288,7 +288,7 @@ EXPORT_SYMBOL_GPL(iommu_unmap);
> 
>  void iommu_commit(struct iommu_domain *domain)
>  {
> -	if (iommu_ops->commit)
> -		iommu_ops->commit(domain);
> +	if (domain->ops->commit)
> +		domain->ops->commit(domain);
>  }
>  EXPORT_SYMBOL_GPL(iommu_commit);
> -- 
> 1.7.4.1

Whoops. This iommu_commit branch wasn't meant to be in master already.
I'll try to fix that.

	Joerg

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