[SPARC64]: Don't do anything in flush_ptrace_access() on SUN4V.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index 3f9746f856d28caede6522bbc8a161be74a684a2..eb93e9c528462c6a2d92a8cb76251b65f91f0db7 100644 (file)
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -124,6 +124,9 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
 {
        BUG_ON(len > PAGE_SIZE);
 
+       if (tlb_type == hypervisor)
+               return;
+
 #ifdef DCACHE_ALIASING_POSSIBLE
        /* If bit 13 of the kernel address we used to access the
         * user page is the same as the virtual address that page