Re: Porting "jump labels" to userspace

From: Mathieu Desnoyers
Date: Wed Feb 16 2011 - 15:37:01 EST


* David Daney (ddaney@xxxxxxxxxxxxxxxxxx) wrote:
> On 02/16/2011 12:00 PM, Mathieu Desnoyers wrote:
> [...]>
>> Actually, creating the equivalent of the jump labels for userspace is on our
>> list of "things to do" for the UST project.
>>
>> If Jason and other jump label contributors agree to dual-license the jump label
>> generic and per-arch implementations under both GPLv2 and LGPLv2.1, we could
>> probably re-use a large part of this code to create a static jump label library
>> for userspace. The concerned authors are precisely: Jason for generic and x86
>> code, Steven for some improvements in generic code and David S. Miller for the
>> sparc port. After things settle down with the current jump label changes
>> proposed by Peter Zijlstra, we might also want to ask for his permission to
>> LGPLize his changes.
>>
> FWIW: MIPS jump label support is now in as of:
>
> 94bb0c1 (MIPS: jump label: Add MIPS support.)
>
> I would be the author of that.

Sorry David, my tree was a bit outdated from Linus's head :)

Mathieu

>
> David Daney

--
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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