Hi,
On Monday, 4 December 2006 20:44, Pavel Machek wrote:
> 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 <[EMAIL PROTECTED]>
> > >
> > > 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.
So, do you think I should add any more architectures (which ones?) or leave it
as is?
> > 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.
Well, I think I haven't overlooked anything, but of course that's always
possible. ;-)
Greetings,
Rafael
--
If you don't have the time to read,
you don't have the time or the tools to write.
- Stephen King
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