Re: [PATCH -tip-rcu] Make rcutorture more vicious: invoke RCUreaders from irq handlers (timers)

[Ingo Molnar]

* Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:

> This patch allows torturing RCU from irq handlers (timers, in this 
> case). A new module parameter irqreader enables such additional 
> torturing, and is enabled by default.  Variants of RCU that do not 
> tolerate readers being called from irq handlers (e.g., SRCU) ignore 
> irqreader.
> 
> (No failures observed, but only short tests thus far.  And no failures 
> observed thus far from about 10 hours of running stock rcutorture in 
> parallel with 170 kernel builds on a two-CPU machine.)

applied to tip/core/rcu - thanks Paul.

> +static int irqreader = 1;	/* RCU readers from irq (timers). */

Good - this means that in bzImage type of tests (built-in rcutorture, no 
modules) this new test variant will be activated by default, right?

	Ingo
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