tree a0f2fb9d866aaab13ece90dbef2872925295cd8c
parent 649aa24254e85bf6bd7807dd372d083707852b1f
author Helge Deller <deller@gmx.de> 1496952414 +0200
committer Helge Deller <deller@gmx.de> 1497000893 +0200

parisc: Avoid zeroing gr[0] in fixup_exception()

Register gr[0] holds the PSW in interrupt context. It's absolutely
unlikely that the compiler will use register zero in a get_user() call,
but better BUG on such a case in fixup_exception() anyway.

Signed-off-by: Helge Deller <deller@gmx.de>