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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-18 22:55:19 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-18 22:55:19 +0400 |
| commit | f32c23f59a3af0c5bb9e198386f2e6cd22038e9f (patch) | |
| tree | 24b80055498bb88cceba49f7d6c885cca4d5b0e5 | |
| parent | e899536470ec83f2792092640148f2488961731b (diff) | |
| parent | 65ba6cdc837af9b77354d03987354196ac4eb308 (diff) | |
| download | linux-f32c23f59a3af0c5bb9e198386f2e6cd22038e9f.tar.xz | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] Clear sub-page HPTE present bits when demoting page size
[POWERPC] 4xx: Clear new TLB cache attribute bits in Data Storage vector
| -rw-r--r-- | arch/powerpc/kernel/head_44x.S | 7 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_low_64.S | 4 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S index c2b9dc4fce5d..22b5d2c459a3 100644 --- a/arch/powerpc/kernel/head_44x.S +++ b/arch/powerpc/kernel/head_44x.S @@ -368,7 +368,12 @@ interrupt_base: rlwimi r11,r13,0,26,31 /* Insert static perms */ - rlwinm r11,r11,0,20,15 /* Clear U0-U3 */ + /* + * Clear U0-U3 and WL1 IL1I IL1D IL2I IL2D bits which are added + * on newer 440 cores like the 440x6 used on AMCC 460EX/460GT (see + * include/asm-powerpc/pgtable-ppc32.h for details). + */ + rlwinm r11,r11,0,20,10 /* find the TLB index that caused the fault. It has to be here. */ tlbsx r10, 0, r10 diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S index 21d248486479..70f4c833fa32 100644 --- a/arch/powerpc/mm/hash_low_64.S +++ b/arch/powerpc/mm/hash_low_64.S @@ -568,6 +568,10 @@ htab_inval_old_hpte: ld r7,STK_PARM(r9)(r1) /* ssize */ ld r8,STK_PARM(r8)(r1) /* local */ bl .flush_hash_page + /* Clear out _PAGE_HPTE_SUB bits in the new linux PTE */ + lis r0,_PAGE_HPTE_SUB@h + ori r0,r0,_PAGE_HPTE_SUB@l + andc r30,r30,r0 b htab_insert_pte htab_bail_ok: |