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author | Christophe Leroy | 2018-10-09 15:52:14 +0200 |
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committer | Michael Ellerman | 2018-10-14 09:04:09 +0200 |
commit | cbcbbf4afd6d38272bf0119d890caa5ebba6fe4c (patch) | |
tree | c1e36632154145e015b021ba51d1215fb9c7a01e /arch/powerpc/include/asm/pte-common.h | |
parent | powerpc/mm: Allow platforms to redefine some helpers (diff) | |
download | kernel-qcow2-linux-cbcbbf4afd6d38272bf0119d890caa5ebba6fe4c.tar.gz kernel-qcow2-linux-cbcbbf4afd6d38272bf0119d890caa5ebba6fe4c.tar.xz kernel-qcow2-linux-cbcbbf4afd6d38272bf0119d890caa5ebba6fe4c.zip |
powerpc/mm: Define platform default caches related flags
Cache related flags like _PAGE_COHERENT and _PAGE_WRITETHRU
are defined on most platforms. The platforms not defining
them don't define any alternative. So we can give them a NUL
value directly for those platforms directly.
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/pte-common.h')
-rw-r--r-- | arch/powerpc/include/asm/pte-common.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h index 1a2102f8b1e7..ff01368a175a 100644 --- a/arch/powerpc/include/asm/pte-common.h +++ b/arch/powerpc/include/asm/pte-common.h @@ -1,17 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Included from asm/pgtable-*.h only ! */ -/* - * Some bits are only used on some cpu families... Make sure that all - * the undefined gets a sensible default - */ -#ifndef _PAGE_COHERENT -#define _PAGE_COHERENT 0 -#endif -#ifndef _PAGE_WRITETHRU -#define _PAGE_WRITETHRU 0 -#endif - /* Location of the PFN in the PTE. Most 32-bit platforms use the same * as _PAGE_SHIFT here (ie, naturally aligned). * Platform who don't just pre-define the value so we don't override it here |