From: Thomas Schlichter <thomas.schlichter@web.de>
To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Cc: Philippe Elie <phil.el@wanadoo.fr>, Andrew Morton <akpm@osdl.org>,
Andreas Schwab <schwab@suse.de>,
linux-kernel@vger.kernel.org
Subject: Re: [2.6.4-rc2] bogus semicolon behind if()
Date: Fri, 19 Mar 2004 20:01:11 +0100 [thread overview]
Message-ID: <200403192001.13129.thomas.schlichter@web.de> (raw)
In-Reply-To: <Pine.LNX.4.55.0403171734090.14525@jurand.ds.pg.gda.pl>
Am Mittwoch, 17. März 2004 17:51 schrieb Maciej W. Rozycki:
~~ snip ~~
> You need timer_ack set to one when either:
>
> 1. you use the I/O APIC NMI watchdog and you have a discrete APIC chip
> (i.e. the 82489DX),
>
> or:
>
> 2. the timer interrupt (IRQ 0) goes through one of the APICs (whatever
> way; we check three variations) and the TSC is non-functional (absent or
> disabled).
>
> Since you have an integrated APIC and you use the TSC, you may have
> timer_ack set to zero. That saves a few (possibly slow) I/O accesses and
> works around problems that may arise due 8259A clone (in)compatibility or
> bugs in SMM firmware.
>
> Maciej
Well, my timer interrupt goes through the IO-APIC but I do have a functional
TSC. Nevertheless my system requires timer_ack to be set... If it isn't, my
CPU does not utilize its C2 state...
Thomas
next prev parent reply other threads:[~2004-03-19 19:01 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-08 23:14 [2.6.4-rc2] bogus semicolon behind if() Thomas Schlichter
2004-03-08 23:43 ` Andreas Schwab
2004-03-08 23:56 ` Thomas Schlichter
2004-03-09 0:29 ` Andrew Morton
2004-03-09 7:01 ` Philippe Elie
2004-03-09 11:08 ` Thomas Schlichter
2004-03-10 6:08 ` Philippe Elie
2004-03-10 16:20 ` Zwane Mwaikambo
2004-03-17 17:20 ` Maciej W. Rozycki
2004-03-17 16:51 ` Maciej W. Rozycki
2004-03-17 18:25 ` Andrew Morton
2004-03-17 18:50 ` Maciej W. Rozycki
2004-03-18 9:46 ` Mikael Pettersson
2004-03-18 9:52 ` Andrew Morton
2004-03-21 3:51 ` Zwane Mwaikambo
2004-03-21 3:55 ` Zwane Mwaikambo
2004-03-19 19:01 ` Thomas Schlichter [this message]
2004-03-19 20:30 ` Maciej W. Rozycki
2004-03-19 23:13 ` Thomas Schlichter
2004-03-09 0:33 ` Andrew Morton
2004-03-09 11:09 ` Thomas Schlichter
-- strict thread matches above, loose matches on Subject: below --
2004-03-20 17:04 Mikael Pettersson
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