linux-kernel - Re: [PATCH 20/40] mn10300: Use set_current_blocked() and block

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Message-ID: <27258.1329243179@redhat.com>
Date:	Tue, 14 Feb 2012 18:12:59 +0000
From:	David Howells <dhowells@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	dhowells@...hat.com, Matt Fleming <matt@...sole-pimps.org>,
	linux-arch@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Matt Fleming <matt.fleming@...el.com>,
	Koichi Yasutake <yasutake.koichi@...panasonic.com>,
	Al Viro <viro@...iv.linux.org.uk>, linux-am33-list@...hat.com
Subject: Re: [PATCH 20/40] mn10300: Use set_current_blocked() and block_sigmask()

Oleg Nesterov <oleg@...hat.com> wrote:

> No, only current can change ->blocked. This is even documented in
> sigprocmask(). And more, the only correct way to change ->blocked
> is set_current_blocked(). OK, with a couple of "I know what I am
> doing" exceptions in kernel/signal.c.

I was looking at force_sig_info() and derivatives.  Is that what you refer to?

If so, is it worth providing a force_sig_info_current(),
force_sigsegv_current() and force_sig_current() to make things clearer to grep
for, I wonder?

David
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