diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-07-09 08:59:25 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-07-20 22:57:57 +1000 |
| commit | 33699023f51f96ac9be38747e64967ea05e00bab (patch) | |
| tree | 0d95325c99fb1ade4606fada813d3f045a170d24 /arch/powerpc/include/asm/book3s/64/hash-4k.h | |
| parent | d79e7a5f26f1d179cbb915a8bf2469b6d7431c29 (diff) | |
| download | linux-33699023f51f96ac9be38747e64967ea05e00bab.tar.gz linux-33699023f51f96ac9be38747e64967ea05e00bab.tar.bz2 linux-33699023f51f96ac9be38747e64967ea05e00bab.zip | |
powerpc/book3s64/pkeys: Fixup bit numbering
This number the pkey bit such that it is easy to follow. PKEY_BIT0 is
the lower order bit. This makes further changes easy to follow.
No functional change in this patch other than linux page table for
hash translation now maps pkeys differently.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200709032946.881753-3-aneesh.kumar@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-4k.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash-4k.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h index 3f9ae3585ab9..f889d56bf8cf 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-4k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h @@ -57,11 +57,12 @@ #define H_PMD_FRAG_NR (PAGE_SIZE >> H_PMD_FRAG_SIZE_SHIFT) /* memory key bits, only 8 keys supported */ -#define H_PTE_PKEY_BIT0 0 -#define H_PTE_PKEY_BIT1 0 +#define H_PTE_PKEY_BIT4 0 +#define H_PTE_PKEY_BIT3 0 #define H_PTE_PKEY_BIT2 _RPAGE_RSV3 -#define H_PTE_PKEY_BIT3 _RPAGE_RSV4 -#define H_PTE_PKEY_BIT4 _RPAGE_RSV5 +#define H_PTE_PKEY_BIT1 _RPAGE_RSV4 +#define H_PTE_PKEY_BIT0 _RPAGE_RSV5 + /* * On all 4K setups, remap_4k_pfn() equates to remap_pfn_range() |