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[v7,18/22] powerpc/book3s64/kuep: Use Key 3 to implement KUEP with hash translation.

Message ID 20201127044424.40686-19-aneesh.kumar@linux.ibm.com (mailing list archive)
State Accepted
Commit 292f86c4c683a1064aff7210348da088c1573ee0
Headers show
Series Kernel userspace access/execution prevention with hash translation | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (4c202167192a77481310a3cacae9f12618b92216)
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
snowpatch_ozlabs/needsstable success Patch has no Fixes tags

Commit Message

Aneesh Kumar K V Nov. 27, 2020, 4:44 a.m. UTC 
Radix use IAMR Key 0 and hash translation use IAMR key 3.

Reviewed-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
 arch/powerpc/include/asm/book3s/64/kup.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/powerpc/include/asm/book3s/64/kup.h b/arch/powerpc/include/asm/book3s/64/kup.h
index fca16585e49d..9a475a6bf0a1 100644
--- a/arch/powerpc/include/asm/book3s/64/kup.h
+++ b/arch/powerpc/include/asm/book3s/64/kup.h
@@ -7,7 +7,7 @@ 
 
 #define AMR_KUAP_BLOCK_READ	UL(0x5455555555555555)
 #define AMR_KUAP_BLOCK_WRITE	UL(0xa8aaaaaaaaaaaaaa)
-#define AMR_KUEP_BLOCKED	(1UL << 62)
+#define AMR_KUEP_BLOCKED	UL(0x5455555555555555)
 #define AMR_KUAP_BLOCKED	(AMR_KUAP_BLOCK_READ | AMR_KUAP_BLOCK_WRITE)
 
 #ifdef __ASSEMBLY__