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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-07-09 08:59:33 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-07-20 22:57:58 +1000 |
| commit | c529afd7cbc71ae1dc44a31efc7c1c9db3c3a143 (patch) | |
| tree | 08c2be27ab217d293233ba4236de26199d500893 /arch/powerpc/include | |
| parent | a4678d4b477c3d2901f101986ca01406f3b7eaea (diff) | |
| download | linux-c529afd7cbc71ae1dc44a31efc7c1c9db3c3a143.tar.bz2 | |
powerpc/book3s64/pkeys: Convert pkey_total to num_pkey
num_pkey now represents max number of keys supported such that we return
to userspace 0 - num_pkey - 1.
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/20200709032946.881753-11-aneesh.kumar@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/pkeys.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/pkeys.h b/arch/powerpc/include/asm/pkeys.h index f984bfac814a..26b20061512f 100644 --- a/arch/powerpc/include/asm/pkeys.h +++ b/arch/powerpc/include/asm/pkeys.h @@ -12,7 +12,7 @@ #include <asm/firmware.h> DECLARE_STATIC_KEY_FALSE(pkey_disabled); -extern int pkeys_total; /* total pkeys as per device tree */ +extern int num_pkey; extern u32 initial_allocation_mask; /* bits set for the initially allocated keys */ extern u32 reserved_allocation_mask; /* bits set for reserved keys */ @@ -44,7 +44,10 @@ static inline int vma_pkey(struct vm_area_struct *vma) return (vma->vm_flags & ARCH_VM_PKEY_FLAGS) >> VM_PKEY_SHIFT; } -#define arch_max_pkey() pkeys_total +static inline int arch_max_pkey(void) +{ + return num_pkey; +} #define pkey_alloc_mask(pkey) (0x1 << pkey) |