From: john stultz <johnstul@us.ibm.com>
To: "J.E.J. Bottomley" <James.Bottomley@steeleye.com>
Cc: Vojtech Pavlik <vojtech@suse.cz>,
Linus Torvalds <torvalds@transmeta.com>,
Pavel Machek <pavel@ucw.cz>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
"J.E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: Voyager subarchitecture for 2.5.46
Date: 11 Nov 2002 13:58:44 -0800 [thread overview]
Message-ID: <1037051926.3844.4.camel@cornchips> (raw)
In-Reply-To: <200211112057.gABKvS620539@localhost.localdomain>
On Mon, 2002-11-11 at 12:57, J.E.J. Bottomley wrote:
> As a beginning, what about the attached patch? It eliminates the compile time
> TSC options (and thus hopefully the sources of confusion). I've exported
> tsc_disable, so it can be set by the subarchs if desired (voyager does this)
> and moved the notsc option into the timer_tsc code (which is where it looks
> like it belongs).
Looks good to me.
We'd still need to go back and yank out the #ifdef CONFIG_X86_TSC'ed
macros in profile.h and pksched.h or replace them w/ inlines that wrap
the rdtsc calls w/ if(cpu_has_tsc && !tsc_disable) or some such line.
But yea, its a start, assuming no one screams about not being able to
optimize out the timer_pit code.
thanks
-john
next prev parent reply other threads:[~2002-11-11 21:52 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-05 20:45 Voyager subarchitecture for 2.5.46 J.E.J. Bottomley
2002-11-06 2:31 ` john stultz
2002-11-06 13:43 ` Alan Cox
2002-11-06 21:35 ` john stultz
2002-11-06 15:03 ` J.E.J. Bottomley
2002-11-06 15:38 ` Alan Cox
2002-11-06 16:09 ` Christer Weinigel
2002-11-06 15:45 ` Linus Torvalds
2002-11-06 16:19 ` Alan Cox
2002-11-06 16:12 ` Linus Torvalds
2002-11-06 16:45 ` Alan Cox
2002-11-10 16:30 ` Pavel Machek
2002-11-10 18:59 ` Linus Torvalds
2002-11-10 19:18 ` Pavel Machek
2002-11-10 19:31 ` Linus Torvalds
2002-11-10 19:42 ` Pavel Machek
2002-11-10 19:48 ` Vojtech Pavlik
2002-11-10 20:02 ` Sean Neakums
2002-11-10 20:16 ` Lars Marowsky-Bree
2002-11-10 22:11 ` Alan Cox
2002-11-10 19:46 ` Vojtech Pavlik
2002-11-11 20:40 ` john stultz
2002-11-11 20:57 ` J.E.J. Bottomley
2002-11-11 21:36 ` William Lee Irwin III
2002-11-11 21:58 ` john stultz [this message]
2002-11-11 22:49 ` J.E.J. Bottomley
2002-11-11 23:12 ` john stultz
2002-11-12 12:16 ` Pavel Machek
2002-11-11 22:08 ` Vojtech Pavlik
2002-11-06 20:07 ` john stultz
2002-11-06 22:36 ` H. Peter Anvin
2002-11-06 19:30 ` john stultz
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