x86/mm: Add a x86_has_pat_wp() helper

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Abstract the ioremap code away from the caching mode internals.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200408152745.1565832-2-hch@lst.de

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Christoph Hellwig 2020-04-08 17:27:42 +02:00 • committed by Borislav Petkov

parent ae83d0b416

commit 1f6f655e01

3 changed files with 10 additions and 6 deletions

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2

arch/x86/include/asm/memtype.h

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6

arch/x86/mm/init.c

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8

arch/x86/mm/ioremap.c

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