linux-kernel - Re: [PATCH 2/2] x86/amd-iommu: Add support for invalidate

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Message-ID: <20110411140821.GJ23633@amd.com>
Date:	Mon, 11 Apr 2011 16:08:21 +0200
From:	"Roedel, Joerg" <Joerg.Roedel@....com>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
CC:	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 2/2] x86/amd-iommu: Add support for invalidate_all
 command

On Mon, Apr 11, 2011 at 09:57:08AM -0400, Henrique de Moraes Holschuh wrote:
> On Mon, 11 Apr 2011, Joerg Roedel wrote:
> > This patch adds support for the invalidate_all command
> > present in new versions of the AMD IOMMU.
> 
> ...
> 
> >  #define CMD_COMPL_WAIT          0x01
> >  #define CMD_INV_DEV_ENTRY       0x02
> >  #define CMD_INV_IOMMU_PAGES     0x03
> > +#define CMD_INV_ALL		0x08
> 
> ...
> 
> > @@ -463,6 +463,12 @@ static void build_inv_iommu_pages(struct iommu_cmd *cmd, u64 address,
> >  		cmd->data[2] |= CMD_INV_IOMMU_PAGES_PDE_MASK;
> >  }
> >  
> > +static void build_inv_all(struct iommu_cmd *cmd)
> > +{
> > +	memset(cmd, 0, sizeof(*cmd));
> > +	CMD_SET_TYPE(cmd, CMD_INV_DEV_ENTRY);
> 
> Huh?

Copy&Paste error :( Thanks for pointing it out.

	Joerg

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