diff options
Diffstat (limited to 'arch/arm/mm/tlb-v7.S')
-rw-r--r-- | arch/arm/mm/tlb-v7.S | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S index b637e7380ab7..a26a605b73bd 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) | |||
42 | mov r1, r1, lsl #PAGE_SHIFT | 42 | mov r1, r1, lsl #PAGE_SHIFT |
43 | vma_vm_flags r2, r2 @ get vma->vm_flags | 43 | vma_vm_flags r2, r2 @ get vma->vm_flags |
44 | 1: | 44 | 1: |
45 | mcr p15, 0, r0, c8, c6, 1 @ TLB invalidate D MVA (was 1) | 45 | #ifdef CONFIG_SMP |
46 | tst r2, #VM_EXEC @ Executable area ? | 46 | mcr p15, 0, r0, c8, c3, 1 @ TLB invalidate U MVA (shareable) |
47 | mcrne p15, 0, r0, c8, c5, 1 @ TLB invalidate I MVA (was 1) | 47 | #else |
48 | mcr p15, 0, r0, c8, c7, 1 @ TLB invalidate U MVA | ||
49 | #endif | ||
48 | add r0, r0, #PAGE_SZ | 50 | add r0, r0, #PAGE_SZ |
49 | cmp r0, r1 | 51 | cmp r0, r1 |
50 | blo 1b | 52 | blo 1b |
@@ -69,8 +71,11 @@ ENTRY(v7wbi_flush_kern_tlb_range) | |||
69 | mov r0, r0, lsl #PAGE_SHIFT | 71 | mov r0, r0, lsl #PAGE_SHIFT |
70 | mov r1, r1, lsl #PAGE_SHIFT | 72 | mov r1, r1, lsl #PAGE_SHIFT |
71 | 1: | 73 | 1: |
72 | mcr p15, 0, r0, c8, c6, 1 @ TLB invalidate D MVA | 74 | #ifdef CONFIG_SMP |
73 | mcr p15, 0, r0, c8, c5, 1 @ TLB invalidate I MVA | 75 | mcr p15, 0, r0, c8, c3, 1 @ TLB invalidate U MVA (shareable) |
76 | #else | ||
77 | mcr p15, 0, r0, c8, c7, 1 @ TLB invalidate U MVA | ||
78 | #endif | ||
74 | add r0, r0, #PAGE_SZ | 79 | add r0, r0, #PAGE_SZ |
75 | cmp r0, r1 | 80 | cmp r0, r1 |
76 | blo 1b | 81 | blo 1b |
@@ -87,5 +92,5 @@ ENDPROC(v7wbi_flush_kern_tlb_range) | |||
87 | ENTRY(v7wbi_tlb_fns) | 92 | ENTRY(v7wbi_tlb_fns) |
88 | .long v7wbi_flush_user_tlb_range | 93 | .long v7wbi_flush_user_tlb_range |
89 | .long v7wbi_flush_kern_tlb_range | 94 | .long v7wbi_flush_kern_tlb_range |
90 | .long v6wbi_tlb_flags | 95 | .long v7wbi_tlb_flags |
91 | .size v7wbi_tlb_fns, . - v7wbi_tlb_fns | 96 | .size v7wbi_tlb_fns, . - v7wbi_tlb_fns |