From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 30 Sep 2012 17:12:36 +0000 (-0400)
Subject: new helper: current_pt_regs()
X-Git-Tag: v3.7-rc1~64^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3460a59747cfddfa7be4758e5ef08bf5d751d59;p=pandora-kernel.git

new helper: current_pt_regs()

Normally (and that's the default) it's just task_pt_regs(current).
However, if an architecture can optimize that, it can do so by
making a macro of its own available from asm/ptrace.h.  More
importantly, some architectures have task_pt_regs() working only
for traced tasks blocked on signal delivery.  current_pt_regs()
needs to work for *all* processes, so before those architectures
start using stuff relying on current_pt_regs() they'll need a
properly working variant.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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