Messages in this thread |  | | | Subject | Re: [Jackit-devel] Re: Real-Time Preemption, -RT-2.6.10-rc2-mm3-V0.7.31-19 | | From | "Jack O'Quin" <> | | Date | 02 Dec 2004 14:48:23 -0600 |
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Lee Revell <rlrevell@joe-job.com> writes:
> On Thu, 2004-12-02 at 11:07 -0600, Jack O'Quin wrote: > > Is printk() guaranteed not to wait inside the kernel? I am not > > familiar with its internal implementation. > > Yes. It just writes to a ring buffer and klogd dumps this to syslog. > So if you really start to spew printk's they don't all make it to the > log but you never get blocked. > > The implementation probably looks a lot like a correct solution to fix > the printf-from-RT-context issue in JACK would.
Right. That's exactly what I have in mind, whenever I find time to work on it. :-)
There's some similar code I wrote for JAMin, which we could adapt. -- joq - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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