On 10.06.2013 11:30, Jayachandran C wrote:
Kernel threads should be able to use COP2 if the platform needs it.
Do not call die_if_kernel() for a coprocessor unusable exception if
the exception due to COP2 usage. Instead, the default notifier for
COP2 exceptions is updated to call die_if_kernel.
Signed-off-by: Jayachandran C <jchandra@xxxxxxxxxxxx>
---
arch/mips/kernel/traps.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index beba1e6..142d2be 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1056,15 +1056,9 @@ static int default_cu2_call(struct notifier_block *nfb, unsigned long action,
{
struct pt_regs *regs = data;
- switch (action) {
- default:
- die_if_kernel("Unhandled kernel unaligned access or invalid "
+ die_if_kernel("COP2: Unhandled kernel unaligned access or invalid "
"instruction", regs);
Do not wrap the message please -- it's useful for grepping.
checkpatch.pl shouldn't complain about the line length.
WBR, Sergei
