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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-07-24 01:15:47 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-20 02:25:09 +0200 |
| commit | 25d21ad6e799cccd097b9df2a2fefe19a7e1dfcf (patch) | |
| tree | cd381527a069fed6cffa8755cac177639cc48b0b /arch/powerpc/kernel/setup_64.c | |
| parent | powerpc/mm: Move around mmu_gathers definition on 64-bit (diff) | |
| download | linux-25d21ad6e799cccd097b9df2a2fefe19a7e1dfcf.tar.xz linux-25d21ad6e799cccd097b9df2a2fefe19a7e1dfcf.zip | |
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.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index a6b6c4c9ae41..65aced7b833a 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 } /* |