Re: [PATCH] x86: always select SWIOTLB on x86_64

From: Ingo Molnar
Date: Tue Nov 18 2008 - 08:52:12 EST



* Joerg Roedel <joerg.roedel@xxxxxxx> 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@xxxxxxxxxxxxx
> Cc: stable@xxxxxxxxxx
> Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
> ---
> arch/x86/Kconfig | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)

applied to tip/x86/iommu, thanks Joerg!

Ingo
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