diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/proc-v7.S | 4 | ||||
| -rw-r--r-- | arch/arm/mm/tlb-v7.S | 17 |
2 files changed, 13 insertions, 8 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 3397f1e64d7..c3f73751683 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -176,8 +176,8 @@ cpu_v7_name: */ __v7_setup: #ifdef CONFIG_SMP - mrc p15, 0, r0, c1, c0, 1 @ Enable SMP/nAMP mode - orr r0, r0, #(0x1 << 6) + mrc p15, 0, r0, c1, c0, 1 @ Enable SMP/nAMP mode and + orr r0, r0, #(1 << 6) | (1 << 0) @ TLB ops broadcasting mcr p15, 0, r0, c1, c0, 1 #endif adr r12, __v7_setup_stack @ the local stack diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S index b637e7380ab..a26a605b73b 100644 --- a/arch/arm/mm/tlb-v7.S +++ b/arch/arm/mm/tlb-v7.S @@ -42,9 +42,11 @@ ENTRY(v7wbi_flush_user_tlb_range) mov r1, r1, lsl #PAGE_SHIFT vma_vm_flags r2, r2 @ get vma->vm_flags 1: - mcr p15, 0, r0, c8, c6, 1 @ TLB invalidate D MVA (was 1) - tst r2, #VM_EXEC @ Executable area ? - mcrne p15, 0, r0, c8, c5, 1 @ TLB invalidate I MVA (was 1) +#ifdef CONFIG_SMP + mcr p15, 0, r0, c8, c3, 1 @ TLB invalidate U MVA (shareable) +#else + mcr p15, 0, r0, c8, c7, 1 @ TLB invalidate U MVA +#endif add r0, r0, #PAGE_SZ cmp r0, r1 blo 1b @@ -69,8 +71,11 @@ ENTRY(v7wbi_flush_kern_tlb_range) mov r0, r0, lsl #PAGE_SHIFT mov r1, r1, lsl #PAGE_SHIFT 1: - mcr p15, 0, r0, c8, c6, 1 @ TLB invalidate D MVA - mcr p15, 0, r0, c8, c5, 1 @ TLB invalidate I MVA +#ifdef CONFIG_SMP + mcr p15, 0, r0, c8, c3, 1 @ TLB invalidate U MVA (shareable) +#else + mcr p15, 0, r0, c8, c7, 1 @ TLB invalidate U MVA +#endif add r0, r0, #PAGE_SZ cmp r0, r1 blo 1b @@ -87,5 +92,5 @@ ENDPROC(v7wbi_flush_kern_tlb_range) ENTRY(v7wbi_tlb_fns) .long v7wbi_flush_user_tlb_range .long v7wbi_flush_kern_tlb_range - .long v6wbi_tlb_flags + .long v7wbi_tlb_flags .size v7wbi_tlb_fns, . - v7wbi_tlb_fns |