ARM: Avoid duplicated implementation for VIVT cache flushing
We had two copies of the wrapper code for VIVT cache flushing - one in
asm/cacheflush.h and one in arch/arm/mm/flush.c. Reduce this down to
one common copy.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 7f294f3..a480f16 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -41,8 +41,7 @@
void flush_cache_mm(struct mm_struct *mm)
{
if (cache_is_vivt()) {
- if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm)))
- __cpuc_flush_user_all();
+ vivt_flush_cache_mm(mm);
return;
}
@@ -59,9 +58,7 @@
void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
{
if (cache_is_vivt()) {
- if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm)))
- __cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end),
- vma->vm_flags);
+ vivt_flush_cache_range(vma, start, end);
return;
}
@@ -78,10 +75,7 @@
void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn)
{
if (cache_is_vivt()) {
- if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
- unsigned long addr = user_addr & PAGE_MASK;
- __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags);
- }
+ vivt_flush_cache_page(vma, user_addr, pfn);
return;
}
@@ -94,10 +88,7 @@
unsigned long len, int write)
{
if (cache_is_vivt()) {
- if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
- unsigned long addr = (unsigned long)kaddr;
- __cpuc_coherent_kern_range(addr, addr + len);
- }
+ vivt_flush_ptrace_access(vma, page, uaddr, kaddr, len, write);
return;
}