Re: [LAD] concurrent access on smp

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From: Clemens Ladisch <clemens@...>

To: Paul Giblock <pgiblox@...>

Cc: <Linux-audio-dev@...>

Subject: Re: [LAD] concurrent access on smp

Date: Thursday, November 1, 2012 - 7:56 am

Paul Giblock wrote:

quoted text

>> If your data structures and their use require locking, which you would like
>> to avoid, there is a concept called Read-Copy-Update which is for example
>> heavily used in the kernel and is also available as an userspace library
>> (http://lttng.org/urcu).
>
> Yes, the RCU approach is quite effective. However, better to not call
> it that since IBM has a patent on it last I checked.

Calling it by a different name won't prevent it from infringing IBM
patents.

However, IBM's RCU license for all (L)GPL projects will.

Anyway, that library is published by the patent holder.

Regards,
Clemens
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Messages in current thread:

[LAD] concurrent access on smp, Emanuel Rumpf, (Mon Oct 22, 12:34 am)

Re: [LAD] concurrent access on smp, Tvrtko Ursulin, (Wed Oct 31, 8:04 pm)

Re: [LAD] concurrent access on smp, Paul Giblock, (Wed Oct 31, 8:34 pm)

Re: [LAD] concurrent access on smp, Clemens Ladisch, (Thu Nov 1, 7:56 am)

Re: [LAD] concurrent access on smp, David Robillard, (Mon Oct 22, 1:18 am)