From: Oleg Nesterov <oleg@redhat.com>
Date: Fri, 6 Jun 2014 21:36:57 +0000 (-0700)
Subject: signals: kill the obsolete sigdelset() and recalc_sigpending() in allow_signal()
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~91^2~4^2~94
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec5955b8fdc1b0bc62495e13869769be732cc6c3;p=pandora-kernel.git

signals: kill the obsolete sigdelset() and recalc_sigpending() in allow_signal()

allow_signal() does sigdelset(current->blocked) due to historic reason,
previously it could be called by a daemonize()'ed kthread, and
daemonize() played with current->blocked.

Now that daemonize() has gone away we can remove sigdelset() and
recalc_sigpending().  If a user really wants to unblock a signal, it
must use sigprocmask() or set_current_block() explicitely.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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