Commit adac9570 authored by Paul Mundt's avatar Paul Mundt
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sh: Don't set reserved _PAGE_WT bit on SH-3. 



Only SH-4 needs to set _PAGE_WT when using write-through caching,
don't attempt to set it on SH-3 where it ends up being a reserved
bit.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 26b7a78c

arch/sh/mm/tlb-flush.c

+1 −1
Original line number Diff line number Diff line
@@ -175,7 +175,7 @@ void update_mmu_cache(struct vm_area_struct *vma, 


	/* Set PTEL register */

	pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */

#ifdef CONFIG_SH_WRITETHROUGH

#if defined(CONFIG_SH_WRITETHROUGH) && defined(CONFIG_CPU_SH4)

	pteval |= _PAGE_WT;

#endif

	/* conveniently, we want all the software flags to be 0 anyway */