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powerpc: Add TLB management code for 64-bit Book3E

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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>
This commit is contained in:
Benjamin Herrenschmidt
2009-07-23 23:15:47 +00:00
parent a8f7758c1c
commit 25d21ad6e7
10 changed files with 1055 additions and 5 deletions
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4
arch/powerpc/kernel/setup_64.c
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@ -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
}
/*