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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-23 08:03:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-23 08:03:09 -0700 |
| commit | b0dcb4a91ddb79f2e213205cf8d86b467f8559c7 (patch) | |
| tree | 4e39332805ae940963bf09efd22c6949bbe793b6 /arch | |
| parent | 59fcbddaff6f862cc1584b488866d9c4a5579085 (diff) | |
| parent | 345953cf9a44b19c98f8c0fe6ca7724202bcdb94 (diff) | |
| download | linux-3.10-b0dcb4a91ddb79f2e213205cf8d86b467f8559c7.tar.gz linux-3.10-b0dcb4a91ddb79f2e213205cf8d86b467f8559c7.tar.bz2 linux-3.10-b0dcb4a91ddb79f2e213205cf8d86b467f8559c7.zip | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/powerpc:
powerpc/mm: Fix Respect _PAGE_COHERENT on classic ppc32 SW TLB load machines
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/head_32.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index 7db2e42d97a..d794a637e42 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -513,6 +513,9 @@ InstructionTLBMiss: rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ ori r1,r1,0xe04 /* clear out reserved bits */ andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ +BEGIN_FTR_SECTION + rlwinm r1,r1,0,~_PAGE_COHERENT /* clear M (coherence not required) */ +END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT) mtspr SPRN_RPA,r1 mfspr r3,SPRN_IMISS tlbli r3 @@ -587,6 +590,9 @@ DataLoadTLBMiss: rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ ori r1,r1,0xe04 /* clear out reserved bits */ andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ +BEGIN_FTR_SECTION + rlwinm r1,r1,0,~_PAGE_COHERENT /* clear M (coherence not required) */ +END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT) mtspr SPRN_RPA,r1 mfspr r3,SPRN_DMISS tlbld r3 @@ -655,6 +661,9 @@ DataStoreTLBMiss: rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ li r1,0xe05 /* clear out reserved bits & PP lsb */ andc r1,r3,r1 /* PP = user? 2: 0 */ +BEGIN_FTR_SECTION + rlwinm r1,r1,0,~_PAGE_COHERENT /* clear M (coherence not required) */ +END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT) mtspr SPRN_RPA,r1 mfspr r3,SPRN_DMISS tlbld r3 |