From 7adb37fe80d06cbd40de9b225b12a3a9ec40b6bb Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Fri, 17 Feb 2006 15:07:43 -0800
Subject: [PATCH] [SPARC64]: Don't do anything in flush_ptrace_access() on
SUN4V.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc64/kernel/ptrace.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index 3f9746f856d28c..eb93e9c528462c 100644
--- 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
--
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