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selftests/mm: Define PKEY_UNRESTRICTED for pkey_sighandler_tests

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Commit 6e182dc9f2 ("selftests/mm: Use generic pkey register
manipulation") makes use of PKEY_UNRESTRICTED in
pkey_sighandler_tests. The macro has been proposed for addition to
uapi headers [1], but the patch hasn't landed yet.

Define PKEY_UNRESTRICTED in pkey-helpers.h for the time being to fix
the build.

[1] https://lore.kernel.org/all/20241028090715.509527-2-yury.khrustalev@arm.com/

Fixes: 6e182dc9f2 ("selftests/mm: Use generic pkey register manipulation")
Reported-by: Aishwarya TCV <aishwarya.tcv@arm.com>
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
Link: https://lore.kernel.org/r/20241107131640.650703-1-kevin.brodsky@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Kevin Brodsky 2024-11-07 13:16:40 +00:00 committed by Catalin Marinas
parent 49f59573e9
commit db64dfffca
1 changed files with 7 additions and 0 deletions
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7
tools/testing/selftests/mm/pkey-helpers.h
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@ -112,6 +112,13 @@ void record_pkey_malloc(void *ptr, long size, int prot);
#define PKEY_MASK (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE)
#endif
/*
* FIXME: Remove once the generic PKEY_UNRESTRICTED definition is merged.
*/
#ifndef PKEY_UNRESTRICTED
#define PKEY_UNRESTRICTED 0x0
#endif
#ifndef set_pkey_bits
static inline u64 set_pkey_bits(u64 reg, int pkey, u64 flags)
{