[v17,23/24] selftests/vm/pkeys: Override access right definitions on powerpc
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Message ID 9ef3a92391dc305b226df57d6f2d5ccb60421878.1579507768.git.sandipan@linux.ibm.com
State New
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Series
  • selftests, powerpc, x86: Memory Protection Keys
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Commit Message

Sandipan Das Jan. 20, 2020, 8:36 a.m. UTC
From: Ram Pai <linuxram@us.ibm.com>

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.

cc: Dave Hansen <dave.hansen@intel.com>
cc: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
---
 tools/testing/selftests/vm/pkey-powerpc.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Patch
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diff --git a/tools/testing/selftests/vm/pkey-powerpc.h b/tools/testing/selftests/vm/pkey-powerpc.h
index d31665c48f5e..02bd4dd7d467 100644
--- a/tools/testing/selftests/vm/pkey-powerpc.h
+++ b/tools/testing/selftests/vm/pkey-powerpc.h
@@ -16,11 +16,13 @@ 
 #define fpregs			fp_regs
 #define si_pkey_offset		0x20
 
-#ifndef PKEY_DISABLE_ACCESS
+#ifdef PKEY_DISABLE_ACCESS
+#undef PKEY_DISABLE_ACCESS
 # define PKEY_DISABLE_ACCESS	0x3  /* disable read and write */
 #endif
 
-#ifndef PKEY_DISABLE_WRITE
+#ifdef PKEY_DISABLE_WRITE
+#undef PKEY_DISABLE_WRITE
 # define PKEY_DISABLE_WRITE	0x2
 #endif