parisc: Add error checks when building up signal trampoline handler
authorHelge Deller <deller@gmx.de>
Tue, 3 Feb 2015 20:52:47 +0000 (21:52 +0100)
committerHelge Deller <deller@gmx.de>
Mon, 16 Feb 2015 21:31:21 +0000 (22:31 +0100)
commit0bd1e94bf3da386510186cb2acd3e91f0ea59bc6
tree7245097bc5cbe6f211db48ec230a3712b33201ca
parentfb96a796f2b42eb20cfad80c5e7e2702948a0794
parisc: Add error checks when building up signal trampoline handler

Add checks if the userspace trampoline code was correctly generated by the
signal trampoline generation code. In addition only flush caches as needed and
fix the old flushing code which didn't flushed all generated instructions.

Signed-off-by: Helge Deller <deller@gmx.de>
arch/parisc/kernel/signal.c