| Date | Thu, 11 Dec 2008 11:13:55 -0800 | From | Greg KH <> | Subject | [patch 12/83] sparc64: Sync FPU state in VIS emulation handler. |
| |
2.6.27-stable review patch. If anyone has any objections, please let us know.
------------------
From: Hong H. Pham <hong.pham@windriver.com>
[ Upstream commit 410d2c8187ed969238ba98008c1d57307a56cfd8 ]
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> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- arch/sparc64/kernel/visemul.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/arch/sparc64/kernel/visemul.c +++ b/arch/sparc64/kernel/visemul.c @@ -807,6 +807,8 @@ int vis_emul(struct pt_regs *regs, unsig if (get_user(insn, (u32 __user *) pc)) return -EFAULT; + save_and_clear_fpu(); + opf = (insn & VIS_OPF_MASK) >> VIS_OPF_SHIFT; switch (opf) { default:
|