linux-kernel - Re: [PATCH] x86: always select SWIOTLB on x86

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Message-ID: <20081118135105.GD31146@elte.hu>
Date:	Tue, 18 Nov 2008 14:51:05 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Joerg Roedel <joerg.roedel@....com>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	hawk@...-linux.org, stable@...nel.org
Subject: Re: [PATCH] x86: always select SWIOTLB on x86_64


* Joerg Roedel <joerg.roedel@....com> wrote:

> Impact: fixes korg bugzilla 11980
> 
> A kernel for a 64bit x86 system should always contain the swiotlb code
> in case it is booted on a machine without any hardware IOMMU supported
> by the kernel and more than 4GB of RAM. This patch changes Kconfig to
> always compile swiotlb into the kernel for x86_64.
> 
> Cc: hawk@...-linux.org
> Cc: stable@...nel.org
> Signed-off-by: Joerg Roedel <joerg.roedel@....com>
> ---
>  arch/x86/Kconfig |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)

applied to tip/x86/iommu, thanks Joerg!

	Ingo
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