> > Right. Which is what I've found too. Which led me to wondering: Jeff: > how do you plan to do this UP/SMP kernel efficiently? The kernel > implements spin_lock as a macro that gets compiled out when building for > UP:
I've heard chat on lkml about using alternatives (the kernel ones) to do this.. basically at build time you construct a table of every spinlock call and patch them all up at CPU hotplug or kernel boot time... Sounds like magic to me... Dave. -- David Airlie, Software Engineer http://www.skynet.ie/~airlied / airlied at skynet.ie Linux kernel - DRI, VAX / pam_smb / ILUG -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
