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authorDavid S. Miller <davem@davemloft.net>2009-03-26 15:23:24 -0700
committerDavid S. Miller <davem@davemloft.net>2009-03-26 15:23:24 -0700
commit08abe18af1f78ee80c3c3a5ac47c3e0ae0beadf6 (patch)
tree2be39bf8942edca1bcec735145e144a682ca9cd3 /arch/sh/include/asm/mmu_context.h
parentf0de70f8bb56952f6e016a65a8a8d006918f5bf6 (diff)
parent0384e2959127a56d0640505d004d8dd92f9c29f5 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/net/wimax/i2400m/usb-notif.c
Diffstat (limited to 'arch/sh/include/asm/mmu_context.h')
-rw-r--r--arch/sh/include/asm/mmu_context.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/sh/include/asm/mmu_context.h b/arch/sh/include/asm/mmu_context.h
index 5d9157bd474d..2a9c55f1a83f 100644
--- a/arch/sh/include/asm/mmu_context.h
+++ b/arch/sh/include/asm/mmu_context.h
@@ -19,13 +19,18 @@
* (a) TLB cache version (or round, cycle whatever expression you like)
* (b) ASID (Address Space IDentifier)
*/
+#ifdef CONFIG_CPU_HAS_PTEAEX
+#define MMU_CONTEXT_ASID_MASK 0x0000ffff
+#else
#define MMU_CONTEXT_ASID_MASK 0x000000ff
-#define MMU_CONTEXT_VERSION_MASK 0xffffff00
-#define MMU_CONTEXT_FIRST_VERSION 0x00000100
-#define NO_CONTEXT 0UL
+#endif
-/* ASID is 8-bit value, so it can't be 0x100 */
-#define MMU_NO_ASID 0x100
+#define MMU_CONTEXT_VERSION_MASK (~0UL & ~MMU_CONTEXT_ASID_MASK)
+#define MMU_CONTEXT_FIRST_VERSION (MMU_CONTEXT_ASID_MASK + 1)
+
+/* Impossible ASID value, to differentiate from NO_CONTEXT. */
+#define MMU_NO_ASID MMU_CONTEXT_FIRST_VERSION
+#define NO_CONTEXT 0UL
#define asid_cache(cpu) (cpu_data[cpu].asid_cache)