>Avi Kivity wrote: >> Gregory Haskins wrote: >>> Hi Avi, >>> You make good points. I will convert to a nest lock design and >>> resubmit. Should I use two mutexes, or a mutex and spinlock? >>> >>> Also, do you have any suggestions on the signum I should use to IPI >>> the running guest? Should I use one of the normal signals (SIGUSR) >>> or should I start a block of defined signals in the RT range (>32)? >>> >> >> For a short term solution, where the apic is in userspace, we can just >> say ipi == signal, and not require any locking. Qemu will catch the >> signal and call the appropriate apic function. The signal number >> should be set from userspace. >> > >Note that as long as the apic code is in userspace, the sending side is >also in userspace, so all the IPI related stuff doesn't touch the kernel.
You can look at a working copy for the PV network code in my git tree git://kvm.qumranet.com/home/dor/src/linux-2.6, pick the pv-network-driver And the matching paravirt-network svn branch. It's working but far from perfect ;) > >-- >error compiling committee.c: too many arguments to function > > >----------------------------------------------------------------------- -- >Take Surveys. Earn Cash. Influence the Future of IT >Join SourceForge.net's Techsay panel and you'll get the chance to share >your >opinions on IT & business topics through brief surveys-and earn cash >http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVD EV >_______________________________________________ >kvm-devel mailing list >kvm-devel@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/kvm-devel ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
