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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2018-03-07 19:06:44 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2018-03-31 00:10:36 +1100
commit1a2f778970c81273c121be160fb6610be8fa423e (patch)
tree8acff16a910d43061640b40b76aa47582ab5b368 /arch/powerpc/include/asm/book3s/64/hash-4k.h
parent16b19f1a03f6a49618611b76818f04ea9cd15fb5 (diff)
powerpc/mm/keys: Move pte bits to correct headers
Memory keys are supported only with hash translation mode. Instead of using #ifdef in generic code move the key related pte bits to respective headers Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/hash-4k.h')
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-4k.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h
index 67c5475311ee..4cbec8195f85 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h
@@ -34,6 +34,14 @@
#define H_PAGE_COMBO 0x0
#define H_PTE_FRAG_NR 0
#define H_PTE_FRAG_SIZE_SHIFT 0
+
+/* memory key bits, only 8 keys supported */
+#define H_PTE_PKEY_BIT0 0
+#define H_PTE_PKEY_BIT1 0
+#define H_PTE_PKEY_BIT2 _RPAGE_RSV3
+#define H_PTE_PKEY_BIT3 _RPAGE_RSV4
+#define H_PTE_PKEY_BIT4 _RPAGE_RSV5
+
/*
* On all 4K setups, remap_4k_pfn() equates to remap_pfn_range()
*/