From: Thiago Jung Bauermann <bauerman@linux•ibm.com>
To: Ram Pai <linuxram@us•ibm.com>
Cc: mpe@ellerman•id.au, linuxppc-dev@lists•ozlabs.org,
hbabu@us•ibm.com, mhocko@kernel•org, bauerman@linux•vnet.ibm.com,
Ulrich.Weigand@de•ibm.com, fweimer@redhat•com, msuchanek@suse•de
Subject: Re: [PATCH 2/2] powerpc/ptrace-pkeys: execute-permission on keys are disabled by default
Date: Tue, 03 Jul 2018 00:30:53 -0300 [thread overview]
Message-ID: <87woudknbm.fsf@morokweng.localdomain> (raw)
In-Reply-To: <1529979376-7292-4-git-send-email-linuxram@us.ibm.com>
Ram Pai <linuxram@us•ibm.com> writes:
> The test case assumes execute-permissions of unallocated keys are
> enabled by default.
>
> Signed-off-by: Ram Pai <linuxram@us•ibm.com>
> ---
> .../testing/selftests/powerpc/ptrace/ptrace-pkey.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
> index 5cf631f..559c6cb 100644
> --- a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
> +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
> @@ -104,6 +104,11 @@ static int child(struct shared_info *info)
>
> if (disable_execute)
> info->expected_iamr |= 1ul << pkeyshift(pkey1);
> + else
> + info->expected_iamr &= ~(1ul << pkeyshift(pkey1));
> + info->expected_iamr &= ~(1ul << pkeyshift(pkey2) | 1ul << pkeyshift(pkey3));
> +
> +
>
> info->expected_uamor |= 3ul << pkeyshift(pkey1) |
> 3ul << pkeyshift(pkey2);
Reviewed-by: Thiago Jung Bauermann <bauerman@linux•ibm.com>
--
Thiago Jung Bauermann
IBM Linux Technology Center
next prev parent reply other threads:[~2018-07-03 3:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-26 2:16 [PATCH 1/2] powerpc/pkeys: preallocate execute_only key only if the key is available Ram Pai
2018-06-26 2:16 ` [PATCH 2/2] powerpc/pkeys: key allocation/deallocation must not change pkey registers Ram Pai
2018-07-03 1:35 ` Thiago Jung Bauermann
2018-06-26 2:16 ` [PATCH 1/2] powerpc/core-pkeys: execute-permission on keys are disabled by default Ram Pai
2018-07-03 3:30 ` Thiago Jung Bauermann
2018-06-26 2:16 ` [PATCH 2/2] powerpc/ptrace-pkeys: " Ram Pai
2018-07-03 3:30 ` Thiago Jung Bauermann [this message]
2018-06-29 2:56 ` [PATCH 1/2] powerpc/pkeys: preallocate execute_only key only if the key is available Thiago Jung Bauermann
2018-06-29 6:07 ` Gabriel Paubert
2018-06-30 0:58 ` Thiago Jung Bauermann
2018-06-30 1:40 ` Ram Pai
2018-06-30 16:56 ` Gabriel Paubert
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