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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-07-23 23:15:47 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-08-20 10:25:09 +1000
commit25d21ad6e799cccd097b9df2a2fefe19a7e1dfcf (patch)
treecd381527a069fed6cffa8755cac177639cc48b0b /arch/powerpc/kernel/setup_64.c
parenta8f7758c1c52a13e031266483efd5525157e43e9 (diff)
powerpc: Add TLB management code for 64-bit Book3E
This adds the TLB miss handler assembly, the low level TLB flush routines along with the necessary hook for dealing with our virtual page tables or indirect TLB entries that need to be flushes when PTE pages are freed. There is currently no support for hugetlbfs Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/setup_64.c')
-rw-r--r--arch/powerpc/kernel/setup_64.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index a6b6c4c9ae4..65aced7b833 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -62,6 +62,7 @@
#include <asm/udbg.h>
#include <asm/kexec.h>
#include <asm/swiotlb.h>
+#include <asm/mmu_context.h>
#include "setup.h"
@@ -147,6 +148,9 @@ void __init setup_paca(int cpu)
{
local_paca = &paca[cpu];
mtspr(SPRN_SPRG_PACA, local_paca);
+#ifdef CONFIG_PPC_BOOK3E
+ mtspr(SPRN_SPRG_TLB_EXFRAME, local_paca->extlb);
+#endif
}
/*