diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -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 |