From: Pavel Machek <pavel@suse.cz>
To: Zwane Mwaikambo <zwane@holomorphy.com>
Cc: Mikael Pettersson <mikpe@csd.uu.se>,
ak@suse.de, linux-kernel@vger.kernel.org, torvalds@transmeta.com
Subject: Re: Switch APIC to driver model (and make S3 sleep with APIC on)
Date: Tue, 4 Feb 2003 23:55:01 +0100 [thread overview]
Message-ID: <20030204225501.GA128@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.44.0302030657310.9361-100000@montezuma.mastecende.com>
Hi!
> > + set_fixmap_nocache(FIX_APIC_BASE, apic_phys); /* FIXME: this is needed for S3 resume, but why? */
>
> Intel recommends a strong uncacheable mapping otherwise it may exhibit
> undeterministic behaviour. Perhaps that could be it?
But... set_fixmp_nocache seems to only flip bits in page
tables... that should be nop after S3 because memory is preserved.
Pavel
--
Worst form of spam? Adding advertisment signatures ala sourceforge.net.
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next prev parent reply other threads:[~2003-02-05 14:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-28 1:21 Switch APIC to driver model (and make S3 sleep with APIC on) Mikael Pettersson
2003-01-28 9:26 ` Pavel Machek
2003-02-02 12:42 ` Pavel Machek
2003-02-03 10:32 ` John Levon
2003-02-03 15:40 ` Pavel Machek
2003-02-03 20:20 ` John Levon
2003-02-03 21:18 ` Pavel Machek
2003-02-03 23:43 ` John Levon
2003-02-05 21:39 ` Pavel Machek
2003-02-07 11:18 ` John Levon
2003-02-03 12:02 ` Zwane Mwaikambo
2003-02-04 22:55 ` Pavel Machek [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-01-28 12:19 Mikael Pettersson
2003-01-29 20:18 ` Pavel Machek
2003-01-29 22:42 ` John Levon
2003-01-29 22:51 ` Pavel Machek
2003-01-20 22:25 Pavel Machek
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