Messages in this thread | | | Date | Thu, 26 Jun 2008 09:22:39 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH -tip-rcu] Make rcutorture more vicious: invoke RCU readers from irq handlers (timers) |
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* Paul E. McKenney <paulmck@linux.vnet.ibm.com> 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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