On Wednesday, 2 May 2007 16:02, Johannes Berg wrote: > On Wed, 2007-05-02 at 13:29 +0200, Pavel Machek wrote: > > > It makes the device driver's job easier. But I guess we should stop > > doing the freeze for suspend-to-RAM. Some auditing required, but OTOH > > we'll be one step closer to runtime power management on such drivers. > > *shrug*. We've never done it on powerbooks and it always seemed to work > just fine... I think that on a uniprocessor system it's quite safe, but on SMP it doesn't seem so. For example, imagine the situation in which one CPU is executing the suspend code while another one is running userspace with system calls etc. Pretty scary. Greetings, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
