linux-kernel - Re: [PATCH v2 RT 3.18] irq_work: Provide a soft-irq based queue

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 14 May 2015 21:58:11 +0200
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	Jan Kiszka <jan.kiszka@...mens.com>
Cc:	RT <linux-rt-users@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mike Galbraith <umgwanakikbuti@...il.com>
Subject: Re: [PATCH v2 RT 3.18] irq_work: Provide a soft-irq based queue

* 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@...mens.com>
Applied

Sebastian
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/