Hi! > > > To solve first of these problems we need to stop using PF_FROZEN to tell > > > tasks that they should go to the refrigerator. Instead, we can introduce > > > a special TIF_*** flag and use it for this purpose, since it is allowed to > > > change the other tasks' TIF_*** flags and there are special calls for it. > > > > > > To avoid the freeze_process()-refrigerator() race we can make freeze_process() > > > to always check the task's PF_FROZEN flag after it's read its "freeze" flag. > > > We should also make sure that refrigerator() will always reset the task's > > > "freeze" flag after it's set PF_FROZEN for it. > > > > > > Signed-off-by: Rafael J. Wysocki <rjw at sisk.pl> > > > > ACK. > > But I think I'll need to add TIF_FROZEN for all architectures, because suspend > to RAM is supposed to work on all of them, isn't it? Well, yes, it should be added, but no, I do not think s2ram works on that many machines. > Also, this patch is only sufficient with [1/2] or an alternative solution? I haven't finished looking at that one. I suspect it is okay, but I'm not sure it is enough. Pavel -- Thanks for all the (sleeping) penguins.
