From: Pavel Machek <pavel@suse.cz>
To: kronos@kronoz.cjb.net
Cc: Michael Tokarev <mjt@tls.msk.ru>,
linux-kernel@vger.kernel.org, "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: swsusp in 2.6.16: works fine w/o PSE...
Date: Thu, 25 May 2006 23:43:54 +0200 [thread overview]
Message-ID: <20060525214350.GC6347@elf.ucw.cz> (raw)
In-Reply-To: <20060524230538.GA616@dreamland.darkstar.lan>
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
next prev parent reply other threads:[~2006-05-25 21:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-24 23:05 Luca
2006-05-25 19:58 ` Rafael J. Wysocki
2006-05-25 21:43 ` Pavel Machek [this message]
2006-05-26 10:33 ` Rafael J. Wysocki
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