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On Tue, 18 Nov 2008 12:44:21 +0100 Joerg Roedel <joerg.roedel@amd.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. Yeah, as I wrote in a different thread, I think that it makes sense to enable SWIOTLB at all times: http://marc.info/?l=linux-kernel&m=122593287501949&w=2 An option asking an user if he has more than 4GB RAM or not, doesn't make sense much. BTW, you can also remove the help description, right? > --- > arch/x86/Kconfig | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 93224b5..669c6d5 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -566,7 +566,7 @@ config AMD_IOMMU > > # need this always selected by IOMMU for the VIA workaround > config SWIOTLB > - bool > + def_bool y if X86_64 > help > Support for software bounce buffers used on x86-64 systems > which don't have a hardware IOMMU (e.g. the current generation > -- > 1.5.6.4 > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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