selftests/powerpc: Fix ptrace-pkey for default execute permission change

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

The test case assumes execute-permissions of unallocated keys are
enabled by default, which is incorrect.

Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

authored by

Ram Pai and committed by

Michael Ellerman 7 years ago 29e8131c 5db26e89

1 changed file

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tools

testing

selftests

powerpc

ptrace

ptrace-pkey.c

tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c

··· 104 104 105 105 if (disable_execute) 106 106 info->expected_iamr |= 1ul << pkeyshift(pkey1); 107 + else 108 + info->expected_iamr &= ~(1ul << pkeyshift(pkey1)); 109 + 110 + info->expected_iamr &= ~(1ul << pkeyshift(pkey2) | 1ul << pkeyshift(pkey3)); 107 111 108 112 info->expected_uamor |= 3ul << pkeyshift(pkey1) | 109 113 3ul << pkeyshift(pkey2);