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Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/mm/flush.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c
index b6f14e8d212..9a4dd6f39cf 100644
--- a/arch/arm64/mm/flush.c
+++ b/arch/arm64/mm/flush.c
@@ -34,19 +34,25 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
__flush_icache_all();
}
+static void __flush_ptrace_access(struct page *page, unsigned long uaddr,
+ void *kaddr, unsigned long len)
+{
+ unsigned long addr = (unsigned long)kaddr;
+
+ if (icache_is_aliasing()) {
+ __flush_dcache_area(kaddr, len);
+ __flush_icache_all();
+ } else {
+ flush_icache_range(addr, addr + len);
+ }
+}
+
static void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
unsigned long uaddr, void *kaddr,
unsigned long len)
{
- if (vma->vm_flags & VM_EXEC) {
- unsigned long addr = (unsigned long)kaddr;
- if (icache_is_aliasing()) {
- __flush_dcache_area(kaddr, len);
- __flush_icache_all();
- } else {
- flush_icache_range(addr, addr + len);
- }
- }
+ if (vma->vm_flags & VM_EXEC)
+ __flush_ptrace_access(page, uaddr, kaddr, len);
}
/*