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[PATCH] powerpc: Fix 64k pages on non-partitioned machines

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The page size encoding passed to tlbie is incorrect for new-style
large pages.  This fixes it.  This doesn't affect anything on older
machines because mmu_psize_defs[psize].penc (the page size encoding)
is 0 for 4k and 16M pages (the two are distinguished by a separate "is
a large page" bit).

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Arnd Bergmann 2006-06-15 21:15:44 +10:00 committed by Linus Torvalds
parent f53ae1dc34
commit 19242b2407
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/mm/hash_native_64.c
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@ -52,7 +52,7 @@ static inline void __tlbie(unsigned long va, unsigned int psize)
default:
penc = mmu_psize_defs[psize].penc;
va &= ~((1ul << mmu_psize_defs[psize].shift) - 1);
va |= (0x7f >> (8 - penc)) << 12;
va |= penc << 12;
asm volatile("tlbie %0,1" : : "r" (va) : "memory");
break;
}
@ -74,7 +74,7 @@ static inline void __tlbiel(unsigned long va, unsigned int psize)
default:
penc = mmu_psize_defs[psize].penc;
va &= ~((1ul << mmu_psize_defs[psize].shift) - 1);
va |= (0x7f >> (8 - penc)) << 12;
va |= penc << 12;
asm volatile(".long 0x7c000224 | (%0 << 11) | (1 << 21)"
: : "r"(va) : "memory");
break;