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2.6.28-stable review patch. If anyone has any objections, please let us know. ------------------ From: Joerg Roedel <joerg.roedel@amd.com> commit a1afd01c175324656d0e8f1c82ea94b474953c04 upstream. 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. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- arch/x86/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -569,7 +569,7 @@ 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 | ||||||||||||
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