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author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2018-03-07 19:06:44 +0530 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-03-31 00:10:36 +1100 |
commit | 1a2f778970c81273c121be160fb6610be8fa423e (patch) | |
tree | 8acff16a910d43061640b40b76aa47582ab5b368 /arch/powerpc/include/asm/book3s/64/hash-64k.h | |
parent | powerpc/xive: Fix wrong xmon output caused by typo (diff) | |
download | linux-dev-1a2f778970c81273c121be160fb6610be8fa423e.tar.xz linux-dev-1a2f778970c81273c121be160fb6610be8fa423e.zip |
powerpc/mm/keys: Move pte bits to correct headers
Memory keys are supported only with hash translation mode. Instead of
using #ifdef in generic code move the key related pte bits to
respective headers
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-64k.h')
-rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash-64k.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h index 3bcf269f8f55..fcca6de62f3a 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-64k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h @@ -16,6 +16,13 @@ #define H_PAGE_BUSY _RPAGE_RPN44 /* software: PTE & hash are busy */ #define H_PAGE_HASHPTE _RPAGE_RPN43 /* PTE has associated HPTE */ +/* memory key bits. */ +#define H_PTE_PKEY_BIT0 _RPAGE_RSV1 +#define H_PTE_PKEY_BIT1 _RPAGE_RSV2 +#define H_PTE_PKEY_BIT2 _RPAGE_RSV3 +#define H_PTE_PKEY_BIT3 _RPAGE_RSV4 +#define H_PTE_PKEY_BIT4 _RPAGE_RSV5 + /* * We need to differentiate between explicit huge page and THP huge * page, since THP huge page also need to track real subpage details |