diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index 6b5cb7551a72b0cbcc2ba02ec7ebf8292c81756b..fdb587c96a80d293fbd400d0d2d9ebff588915aa 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -503,7 +503,11 @@ InstructionTLBMiss: cmplw 0,r1,r3 #endif mfspr r2, SPRN_SPRG_PGDIR +#ifdef CONFIG_SWAP + li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC +#else li r1,_PAGE_PRESENT | _PAGE_EXEC +#endif #if defined(CONFIG_MODULES) || defined(CONFIG_DEBUG_PAGEALLOC) bge- 112f lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */ @@ -517,12 +521,6 @@ InstructionTLBMiss: lwz r0,0(r2) /* get linux-style pte */ andc. r1,r1,r0 /* check access & ~permission */ bne- InstructionAddressInvalid /* return if access not permitted */ - ori r0,r0,_PAGE_ACCESSED /* set _PAGE_ACCESSED in pte */ - /* - * NOTE! We are assuming this is not an SMP system, otherwise - * we would need to update the pte atomically with lwarx/stwcx. - */ - stw r0,0(r2) /* update PTE (accessed bit) */ /* Convert linux-style PTE to low word of PPC-style PTE */ rlwimi r0,r0,32-1,30,30 /* _PAGE_USER -> PP msb */ ori r1, r1, 0xe05 /* clear out reserved bits */ @@ -571,7 +569,11 @@ DataLoadTLBMiss: lis r1,PAGE_OFFSET@h /* check if kernel address */ cmplw 0,r1,r3 mfspr r2, SPRN_SPRG_PGDIR +#ifdef CONFIG_SWAP + li r1, _PAGE_PRESENT | _PAGE_ACCESSED +#else li r1, _PAGE_PRESENT +#endif bge- 112f lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */ addi r2, r2, (swapper_pg_dir - PAGE_OFFSET)@l /* kernel page table */ @@ -583,12 +585,10 @@ DataLoadTLBMiss: lwz r0,0(r2) /* get linux-style pte */ andc. r1,r1,r0 /* check access & ~permission */ bne- DataAddressInvalid /* return if access not permitted */ - ori r0,r0,_PAGE_ACCESSED /* set _PAGE_ACCESSED in pte */ /* * NOTE! We are assuming this is not an SMP system, otherwise * we would need to update the pte atomically with lwarx/stwcx. */ - stw r0,0(r2) /* update PTE (accessed bit) */ /* Convert linux-style PTE to low word of PPC-style PTE */ rlwinm r1,r0,32-10,31,31 /* _PAGE_RW -> PP lsb */ rlwimi r0,r0,32-1,30,30 /* _PAGE_USER -> PP msb */ @@ -649,7 +649,11 @@ DataStoreTLBMiss: lis r1,PAGE_OFFSET@h /* check if kernel address */ cmplw 0,r1,r3 mfspr r2, SPRN_SPRG_PGDIR - li r1, _PAGE_RW | _PAGE_PRESENT /* access flags */ +#ifdef CONFIG_SWAP + li r1, _PAGE_RW | _PAGE_PRESENT | _PAGE_ACCESSED +#else + li r1, _PAGE_RW | _PAGE_PRESENT +#endif bge- 112f lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */ addi r2, r2, (swapper_pg_dir - PAGE_OFFSET)@l /* kernel page table */ @@ -661,12 +665,10 @@ DataStoreTLBMiss: lwz r0,0(r2) /* get linux-style pte */ andc. r1,r1,r0 /* check access & ~permission */ bne- DataAddressInvalid /* return if access not permitted */ - ori r0,r0,_PAGE_ACCESSED /* * NOTE! We are assuming this is not an SMP system, otherwise * we would need to update the pte atomically with lwarx/stwcx. */ - stw r0,0(r2) /* update PTE (accessed/dirty bits) */ /* Convert linux-style PTE to low word of PPC-style PTE */ rlwimi r0,r0,32-1,30,30 /* _PAGE_USER -> PP msb */ li r1,0xe05 /* clear out reserved bits & PP lsb */