Messages in this thread | | | Date | Fri, 15 May 2015 09:43:14 +0200 | From | Jan Kiszka <> | Subject | Re: [PATCH v2 RT 3.18] irq_work: Provide a soft-irq based queue |
| |
On 2015-05-14 21:58, Sebastian Andrzej Siewior wrote: > * Jan Kiszka | 2015-04-23 09:35:59 [+0200]: > >> Instead of turning all irq_work requests into lazy ones on -rt, just >> move their execution from hard into soft-irq context. >> >> This resolves deadlocks of ftrace which will queue work from arbitrary >> contexts, including those that have locks held that are needed for >> raising a soft-irq. >> >> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> > Applied
The thread went on, and Mike suggested an alternative implementation [1] that works fine and is even cleaner. Let's pick his.
Jan
[1] http://thread.gmane.org/gmane.linux.kernel/1937960
[unhandled content-type:application/pgp-signature] | |