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Date: Mon, 6 Feb 2012 17:25:32 +0100 From: Oleg Nesterov <oleg@...hat.com> To: Steven Rostedt <rostedt@...dmis.org> Cc: linux-kernel@...r.kernel.org, linux-rt-users <linux-rt-users@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, Carsten Emde <C.Emde@...dl.org>, John Kacur <jkacur@...hat.com>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Ingo Molnar <mingo@...e.hu>, Andrew Morton <akpm@...ux-foundation.org>, "H. Peter Anvin" <hpa@...or.com>, Alexander van Heukelum <heukelum@...tmail.fm>, Andi Kleen <ak@...ux.intel.com>, Clark Williams <williams@...hat.com>, Luis Goncalves <lgoncalv@...hat.com>, stable-rt@...r.kernel.org Subject: Re: [PATCH RT 2/2 v4] preempt-rt/x86: Delay calling signals in int3 On 02/06, Steven Rostedt wrote: > > On Sun, 2012-02-05 at 20:31 +0100, Oleg Nesterov wrote: > > Damn. Sorry for noise... > > > > On 02/05, Oleg Nesterov wrote: > > > > > > +int force_sig_info(int sig, struct siginfo *info, struct task_struct *t) > > > +{ > > > +#ifdef CONFIG_PREEMPT_RT_FULL > > > + if (in_atomic()) { > > > + if (WARN_ON_ONCE(t != current)) > > > > This is certainly wrong in upstream kernel. It does use force_ > > this way although it shouldn't imho. > > It's wrong in upstream even with the #ifdef define here? No, the patch has no effect if !CONFIG_PREEMPT_RT_FULL. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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