On Mon, 14 Dec 2015, Rik van Riel wrote:
> On 12/14/2015 11:24 AM, Ani Sinha wrote:
> > Rik, any comments?
>
> Another good option is to simply ignore this warning, or drop
> the rcu_read_lock before doing the alt-syrsq-c action.
>
> After all, alt-sysrq-c is "crash the system, take a crash
On Fri, 18 Dec 2015, Paul E. McKenney wrote:
> On Thu, Dec 17, 2015 at 05:15:10PM -0800, Ani Sinha wrote:
> > Commit 984d74a72076a1 ("sysrq: rcu-ify __handle_sysrq")
> > replaced spin_lock_irqsave() calls with
> > rcu_read_lock() calls in sysrq. Since rcu_read_lock() does not
> > disable
On Mon, 14 Dec 2015, Rik van Riel wrote:
> On 12/14/2015 11:24 AM, Ani Sinha wrote:
> > Rik, any comments?
>
> Another good option is to simply ignore this warning, or drop
> the rcu_read_lock before doing the alt-syrsq-c action.
>
> After all, alt-sysrq-c is "crash the system, take a crash
On Fri, 18 Dec 2015, Paul E. McKenney wrote:
> On Thu, Dec 17, 2015 at 05:15:10PM -0800, Ani Sinha wrote:
> > Commit 984d74a72076a1 ("sysrq: rcu-ify __handle_sysrq")
> > replaced spin_lock_irqsave() calls with
> > rcu_read_lock() calls in sysrq. Since rcu_read_lock() does not
> > disable
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