Messages in this thread | | | Date | Sun, 5 Feb 2012 20:31:46 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH RT 2/2 v4] preempt-rt/x86: Delay calling signals in int3 |
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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.
But _probably_ this is fine for rt? We are going to take the mutex, we shouldn't do this in atomic context. But, once again, I do not really know what in_atomic() means in rt.
Oleg.
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