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| author | Ram Pai <linuxram@us.ibm.com> | 2020-06-04 16:52:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-04 19:06:27 -0700 |
| commit | e9506394a159a449bdf0427b71d5191b4f7fc618 (patch) | |
| tree | f21aebfb72f43f2518031d04a0d9767cafbcbf5c /tools | |
| parent | fa17437cb8405bd0904f0aff8fb80d5e8c854b04 (diff) | |
| download | linux-e9506394a159a449bdf0427b71d5191b4f7fc618.tar.bz2 | |
selftests/vm/pkeys: override access right definitions on powerpc
Some platforms hardcode the x86 values for PKEY_DISABLE_ACCESS
and PKEY_DISABLE_WRITE such as those in:
/usr/include/bits/mman-shared.h.
This overrides the definitions with correct values for powerpc.
[sandipan@linux.ibm.com: fix powerpc access right definitions]
Link: http://lkml.kernel.org/r/1ba86fd8a94f38131cfe2d9f277001dd1ad1d34e.1588959697.git.sandipan@linux.ibm.com
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: "Desnes A. Nunes do Rosario" <desnesn@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Suchanek <msuchanek@suse.de>
Cc: Shuah Khan <shuah@kernel.org>
Link: http://lkml.kernel.org/r/f6eb38cb3a1e12eb2cdc9da6300bc5a5dfba0db9.1585646528.git.sandipan@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/vm/pkey-powerpc.h | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/tools/testing/selftests/vm/pkey-powerpc.h b/tools/testing/selftests/vm/pkey-powerpc.h index 2f7174ee90e5..e4aa5977388b 100644 --- a/tools/testing/selftests/vm/pkey-powerpc.h +++ b/tools/testing/selftests/vm/pkey-powerpc.h @@ -16,13 +16,11 @@ #define fpregs fp_regs #define si_pkey_offset 0x20 -#ifndef PKEY_DISABLE_ACCESS -# define PKEY_DISABLE_ACCESS 0x3 /* disable read and write */ -#endif +#undef PKEY_DISABLE_ACCESS +#define PKEY_DISABLE_ACCESS 0x3 /* disable read and write */ -#ifndef PKEY_DISABLE_WRITE -# define PKEY_DISABLE_WRITE 0x2 -#endif +#undef PKEY_DISABLE_WRITE +#define PKEY_DISABLE_WRITE 0x2 #define NR_PKEYS 32 #define NR_RESERVED_PKEYS_4K 27 /* pkey-0, pkey-1, exec-only-pkey |