Re: swsusp in 2.6.16: works fine w/o PSE...

From: Pavel Machek
Date: Thu May 25 2006 - 17:43:58 EST


Hi!

> I'm CC-ing the two swsusp gurus ;)
>
> > I was just feeling lucky and tried suspend-to-disk cycle
> > on my VIA C3 machine, which lacks PSE which is marked as
> > being required for swsusp to work. After commenting out
> > the PSE check in include/asm-i386/suspend.h and rebooting,
> > I tried the whole cycle, several times, with real load
> > (while running 3 kernel compile in parallel) and while
> > IDLE... And surprizingly, it all worked flawlessly for
> > me, without a single glitch...
> >
> > So the question is: is PSE really needed nowadays?

I think so. Or can you prove that pagetables are not going to be
overwritten in wrong order in !PSE case?

Look at x86-64 how !PSE case can be solved, but it is a bit of code.

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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