Messages in this thread Patch in this message | | | Date | Sun, 15 Feb 2015 11:17:19 +0000 | From | Chris Clayton <> | Subject | [PATCH] iommu: prompt for IOMMU_IO_PGTABLE_LPAE on ARM archs only |
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When running "make oldconfig" for an x86_64 kernel, I was prompted for a setting for IOMMU_IO_PGTABLE_LPAE. From the prompt and the help text it appears that this config item is relevant to ARMv7/v8 only. This patch prevents the prompt on non-ARM architectures. Compile tested building a cross-compiled x86_64 kernel in an x86 user space. The resultant kernel boots fine and I am running it now.
Fixes: e1d3c0fd701df831169b116cd5c5d6203ac07f70 Cc: will.deacon@arm.com Signed-off-by: Chris Clayton <chris2553@googlemail.com>
--- linux/drivers/iommu/Kconfig.orig 2015-02-15 09:44:01.235927248 +0000 +++ linux/drivers/iommu/Kconfig 2015-02-15 09:44:41.131926434 +0000 @@ -22,6 +22,7 @@ config IOMMU_IO_PGTABLE
config IOMMU_IO_PGTABLE_LPAE bool "ARMv7/v8 Long Descriptor Format" + depends on ARM || ARM64 select IOMMU_IO_PGTABLE help Enable support for the ARM long descriptor pagetable format.
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