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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-09-22 14:12:26 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-09-24 01:31:49 -0400
commitf32af63ed1327451cb91e3816fa043b6c2c52db1 (patch)
treeccce3ffd1995ea3404c7984c34bc93fafb3740d6 /arch/powerpc/include/asm/pte-8xx.h
parent142597dbbd8a1d516af3dacfa00037f21612e865 (diff)
powerpc/mm: Fix 40x and 8xx vs. _PAGE_SPECIAL
The test to check whether we have _PAGE_SPECIAL defined is broken, since we always define it, just not always to a meaninful value :-) That broke 8xx and 40x under some circumstances. This fixes it by adding _PAGE_SPECIAL for both of these since they had a free PTE bit, and removing the condition around advertising it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/pte-8xx.h')
-rw-r--r--arch/powerpc/include/asm/pte-8xx.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h
index 94e979718dcf..dd5ea95fe61e 100644
--- a/arch/powerpc/include/asm/pte-8xx.h
+++ b/arch/powerpc/include/asm/pte-8xx.h
@@ -32,6 +32,7 @@
32#define _PAGE_FILE 0x0002 /* when !present: nonlinear file mapping */ 32#define _PAGE_FILE 0x0002 /* when !present: nonlinear file mapping */
33#define _PAGE_NO_CACHE 0x0002 /* I: cache inhibit */ 33#define _PAGE_NO_CACHE 0x0002 /* I: cache inhibit */
34#define _PAGE_SHARED 0x0004 /* No ASID (context) compare */ 34#define _PAGE_SHARED 0x0004 /* No ASID (context) compare */
35#define _PAGE_SPECIAL 0x0008 /* SW entry, forced to 0 by the TLB miss */
35 36
36/* These five software bits must be masked out when the entry is loaded 37/* These five software bits must be masked out when the entry is loaded
37 * into the TLB. 38 * into the TLB.