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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /arch/mips/mm/tlb-r3k.c
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'arch/mips/mm/tlb-r3k.c')
-rw-r--r--arch/mips/mm/tlb-r3k.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index b4f366f7c..1290b9956 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -43,7 +43,7 @@ static void local_flush_tlb_from(int entry)
{
unsigned long old_ctx;
- old_ctx = read_c0_entryhi() & ASID_MASK;
+ old_ctx = read_c0_entryhi() & cpu_asid_mask(&current_cpu_data);
write_c0_entrylo0(0);
while (entry < current_cpu_data.tlbsize) {
write_c0_index(entry << 8);
@@ -81,6 +81,7 @@ void local_flush_tlb_mm(struct mm_struct *mm)
void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
+ unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
struct mm_struct *mm = vma->vm_mm;
int cpu = smp_processor_id();
@@ -89,13 +90,13 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
#ifdef DEBUG_TLB
printk("[tlbrange<%lu,0x%08lx,0x%08lx>]",
- cpu_context(cpu, mm) & ASID_MASK, start, end);
+ cpu_context(cpu, mm) & asid_mask, start, end);
#endif
local_irq_save(flags);
size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
if (size <= current_cpu_data.tlbsize) {
- int oldpid = read_c0_entryhi() & ASID_MASK;
- int newpid = cpu_context(cpu, mm) & ASID_MASK;
+ int oldpid = read_c0_entryhi() & asid_mask;
+ int newpid = cpu_context(cpu, mm) & asid_mask;
start &= PAGE_MASK;
end += PAGE_SIZE - 1;
@@ -159,6 +160,7 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
{
+ unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
int cpu = smp_processor_id();
if (cpu_context(cpu, vma->vm_mm) != 0) {
@@ -168,10 +170,10 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
#ifdef DEBUG_TLB
printk("[tlbpage<%lu,0x%08lx>]", cpu_context(cpu, vma->vm_mm), page);
#endif
- newpid = cpu_context(cpu, vma->vm_mm) & ASID_MASK;
+ newpid = cpu_context(cpu, vma->vm_mm) & asid_mask;
page &= PAGE_MASK;
local_irq_save(flags);
- oldpid = read_c0_entryhi() & ASID_MASK;
+ oldpid = read_c0_entryhi() & asid_mask;
write_c0_entryhi(page | newpid);
BARRIER;
tlb_probe();
@@ -190,6 +192,7 @@ finish:
void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
+ unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
unsigned long flags;
int idx, pid;
@@ -199,10 +202,10 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
if (current->active_mm != vma->vm_mm)
return;
- pid = read_c0_entryhi() & ASID_MASK;
+ pid = read_c0_entryhi() & asid_mask;
#ifdef DEBUG_TLB
- if ((pid != (cpu_context(cpu, vma->vm_mm) & ASID_MASK)) || (cpu_context(cpu, vma->vm_mm) == 0)) {
+ if ((pid != (cpu_context(cpu, vma->vm_mm) & asid_mask)) || (cpu_context(cpu, vma->vm_mm) == 0)) {
printk("update_mmu_cache: Wheee, bogus tlbpid mmpid=%lu tlbpid=%d\n",
(cpu_context(cpu, vma->vm_mm)), pid);
}
@@ -228,6 +231,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
unsigned long entryhi, unsigned long pagemask)
{
+ unsigned long asid_mask = cpu_asid_mask(&current_cpu_data);
unsigned long flags;
unsigned long old_ctx;
static unsigned long wired = 0;
@@ -243,7 +247,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
local_irq_save(flags);
/* Save old context and create impossible VPN2 value */
- old_ctx = read_c0_entryhi() & ASID_MASK;
+ old_ctx = read_c0_entryhi() & asid_mask;
old_pagemask = read_c0_pagemask();
w = read_c0_wired();
write_c0_wired(w + 1);
@@ -266,7 +270,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
#endif
local_irq_save(flags);
- old_ctx = read_c0_entryhi() & ASID_MASK;
+ old_ctx = read_c0_entryhi() & asid_mask;
write_c0_entrylo0(entrylo0);
write_c0_entryhi(entryhi);
write_c0_index(wired);