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sh: Don't set reserved _PAGE_WT bit on SH-3.

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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: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2006-12-28 10:54:01 +09:00
parent 26b7a78c55
commit adac957096
1 changed files with 1 additions and 1 deletions
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2
arch/sh/mm/tlb-flush.c
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@ -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 */