From: Roland McGrath <roland@redhat.com>
Date: Sun, 27 Jul 2008 06:52:52 +0000 (+1000)
Subject: powerpc: Add TIF_NOTIFY_RESUME support for tracehook
X-Git-Tag: v2.6.27-rc1~27^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7d6d637dac2050f30a1b57b0a3dc5de4a10616ba;p=pandora-kernel.git

powerpc: Add TIF_NOTIFY_RESUME support for tracehook

This adds TIF_NOTIFY_RESUME support for powerpc.  When set,
we call tracehook_notify_resume() on the way to user mode.
This overloads do_signal() to do the work, but changes its
arguments to it has the TIF_* bits handy in a register and
drops the useless first argument that was always zero.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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