From: Ram Pai <linuxram@us.ibm.com>
To: mpe@ellerman.id.au
Cc: linuxppc-dev@lists.ozlabs.org, hbabu@us.ibm.com,
mhocko@kernel.org, bauerman@linux.vnet.ibm.com,
linuxram@us.ibm.com, Ulrich.Weigand@de.ibm.com,
fweimer@redhat.com, msuchanek@suse.de
Subject: [PATCH 2/2] powerpc/ptrace-pkeys: execute-permission on keys are disabled by default
Date: Mon, 25 Jun 2018 19:16:16 -0700 [thread overview]
Message-ID: <1529979376-7292-4-git-send-email-linuxram@us.ibm.com> (raw)
In-Reply-To: <1529979376-7292-1-git-send-email-linuxram@us.ibm.com>
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);
--
1.7.1
next prev parent reply other threads:[~2018-06-26 2:16 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 ` Ram Pai [this message]
2018-07-03 3:30 ` [PATCH 2/2] powerpc/ptrace-pkeys: " Thiago Jung Bauermann
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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