On Fri 2008-05-16 09:48:34, Huang, Ying wrote: > On Thu, 2008-05-15 at 16:09 -0400, Vivek Goyal wrote: > [...] > > Ok, You want to make BIOS calls. We already do that using vm86 mode and > > use bios real mode interrupts. So why do we need this interface? Or, IOW, > > how is this interface better? > > It can call code in 32-bit physical mode in addition to real mode. So It > can be used to call EFI runtime service, especially call EFI 64 runtime > service under 32-bit kernel or vice versa. > > The main purpose of kexec jump is for hibernation. But I think if the > effort is small, why not support general 32-bit physical mode code call > at same time. I believe we should focus on kexecing kernels, first. Only way to prove the effort is small is by having small followup patch, and that needs the two patches separated... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
