From 410d2c8187ed969238ba98008c1d57307a56cfd8 Mon Sep 17 00:00:00 2001
From: "Hong H. Pham" <hong.pham@windriver.com>
Date: Thu, 4 Dec 2008 09:12:57 -0800
Subject: [PATCH] sparc64: Sync FPU state in VIS emulation handler.
Copy the FPU state to the task's thread_info->fpregs for the VIS emulation
functions to access.
Signed-off-by: Hong H. Pham <hong.pham@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc64/kernel/visemul.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/sparc64/kernel/visemul.c b/arch/sparc64/kernel/visemul.c
index 69f8a35c6bcd..b956fd71c131 100644
--- a/arch/sparc64/kernel/visemul.c
+++ b/arch/sparc64/kernel/visemul.c
@@ -807,6 +807,8 @@ int vis_emul(struct pt_regs *regs, unsigned int insn)
if (get_user(insn, (u32 __user *) pc))
return -EFAULT;
+ save_and_clear_fpu();
+
opf = (insn & VIS_OPF_MASK) >> VIS_OPF_SHIFT;
switch (opf) {
default:
--
2.34.1