From mboxrd@z Thu Jan 1 00:00:00 1970 From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers) Date: Wed, 16 Feb 2011 15:36:53 -0500 Subject: [ltt-dev] Porting "jump labels" to userspace In-Reply-To: <4D5C3024.6040807@caviumnetworks.com> References: <4D5AA164.1050607@polymtl.ca> <1297853778.3224.90.camel@springer.wildebeest.org> <20110216185056.CAD7B1806E0@magilla.sf.frob.com> <20110216200034.GA6066@Krystal> <4D5C3024.6040807@caviumnetworks.com> Message-ID: <20110216203653.GA2015@Krystal> * David Daney (ddaney at caviumnetworks.com) 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 Sorry David, my tree was a bit outdated from Linus's head :) Mathieu 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