linux-kernel - Re: [PATCHv7 02/26] iommu: add capability IOMMU_CAP

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Message-ID: <20140926094827.GE28786@8bytes.org>
Date:	Fri, 26 Sep 2014 11:48:27 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Antonios Motakis <a.motakis@...tualopensystems.com>
Cc:	alex.williamson@...hat.com, kvmarm@...ts.cs.columbia.edu,
	iommu@...ts.linux-foundation.org, tech@...tualopensystems.com,
	kvm@...r.kernel.org, christoffer.dall@...aro.org,
	will.deacon@....com, kim.phillips@...escale.com,
	eric.auger@...aro.org, marc.zyngier@....com,
	Joerg Roedel <jroedel@...e.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Shuah Khan <shuah.kh@...sung.com>,
	Thierry Reding <treding@...dia.com>,
	Alexey Kardashevskiy <aik@...abs.ru>,
	"Upinder Malhi (umalhi)" <umalhi@...co.com>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv7 02/26] iommu: add capability IOMMU_CAP_NOEXEC

On Tue, Sep 23, 2014 at 04:46:01PM +0200, Antonios Motakis wrote:
> Some IOMMUs accept an IOMMU_NOEXEC protection flag in addition to
> IOMMU_READ and IOMMU_WRITE. Expose this as an IOMMU capability.
> 
> Signed-off-by: Antonios Motakis <a.motakis@...tualopensystems.com>
> ---
>  include/linux/iommu.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index e1a644c..0433553 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -59,6 +59,7 @@ struct iommu_domain {
>  
>  #define IOMMU_CAP_CACHE_COHERENCY	0x1
>  #define IOMMU_CAP_INTR_REMAP		0x2	/* isolates device intrs */
> +#define IOMMU_CAP_NOEXEC		0x3	/* IOMMU_NOEXEC flag */

This changed recently to an enum, please rebase to latest iommu/next
branch.


With that change:

	Acked-by: Joerg Roedel <jroedel@...e.de>

for patches 1 and 2.

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