parisc: fix double restarts
authorAl Viro <viro@zeniv.linux.org.uk>
Sat, 19 May 2012 04:29:22 +0000 (00:29 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 1 Oct 2012 13:58:13 +0000 (09:58 -0400)
commit00df111e7eb505558c54f23861e9341e56dd5fb0
treed351d0268b39837c1c57f1e5f923e1f1184c308e
parent8ca8230b71322bfe45fc78090019a5bb20cd7439
parisc: fix double restarts

Don't bother restoring r28 on syscall restarts; it's clobbered by
syscall anyway.  Reuse (now unused) ->orig_r28 as "no restarts allowed"
flag.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
arch/parisc/hpux/gate.S
arch/parisc/kernel/signal.c
arch/parisc/kernel/syscall.S