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
| ||
|
Date: Wed, 06 Dec 2017 17:27:33 +0100 From: Takashi Iwai <tiwai@...e.de> To: "Anna-Maria Gleixner" <anna-maria@...utronix.de> Cc: "LKML" <linux-kernel@...r.kernel.org>, <alsa-devel@...a-project.org>, <keescook@...omium.org>, "Peter Zijlstra" <peterz@...radead.org>, "John Stultz" <john.stultz@...aro.org>, "Thomas Gleixner" <tglx@...utronix.de>, "Christoph Hellwig" <hch@....de>, "Jaroslav Kysela" <perex@...ex.cz>, "Ingo Molnar" <mingo@...hat.com>, "Takashi Sakamoto" <o-takashi@...amocchi.jp> Subject: Re: [PATCH v3 34/36] ALSA/dummy: Replace tasklet with softirq hrtimer On Wed, 29 Nov 2017 16:30:59 +0100, Anna-Maria Gleixner wrote: > > From: Thomas Gleixner <tglx@...utronix.de> > > The tasklet is used to defer the execution of snd_pcm_period_elapsed() to > the softirq context. Using the HRTIMER_MODE_SOFT mode invokes the timer > callback in softirq context as well which renders the tasklet useless. > > [o-takashi: avoid stall due to a call of hrtimer_cancel() on a callback > of hrtimer] > > Signed-off-by: Thomas Gleixner <tglx@...utronix.de> > Signed-off-by: Anna-Maria Gleixner <anna-maria@...utronix.de> > Cc: alsa-devel@...a-project.org > Cc: Takashi Sakamoto <o-takashi@...amocchi.jp> > Cc: Takashi Iwai <tiwai@...e.com> > Cc: Jaroslav Kysela <perex@...ex.cz> > Link: http://lkml.kernel.org/r/20170905161820.jtysvxtfleunbbmf@breakpoint.cc Feel free to take my ack: Reviewed-by: Takashi Iwai <tiwai@...e.de> thanks, Takashi
Powered by blists - more mailing lists