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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: <yellowdog-devel@lists.yellowdoglinux.com>,
	"Kevin B. Hendricks" <kevin.hendricks@sympatico.ca>
Cc: <linuxppc-dev@lists.linuxppc.org>
Subject: Re: SMP kernel configuration question?
Date: Sat, 16 Feb 2002 20:26:10 +0100	[thread overview]
Message-ID: <20020216192611.18399@smtp.wanadoo.fr> (raw)
In-Reply-To: <20020216144452.TKAF7187.tomts21-srv.bellnexxia.net@there>


>
>Hi,
>
>I have never configured a kernel for SMP before.
>
>I turned on the obvious CONFIG_SMP=y in the .config but was prompted if I
>would like to distribute interrupts (IRQs) across all CPUs.
>
>What is the recommended setting for:
>
>CONFIG_IRQ_ALL_CPUS
>
>Any guidance here would be greatly appreciated.

Leave it to N. ideally, you should enable it, but I have experienced
lockups when this feature is enabled, I haven't yet figured out what's
going on (could be related to the lockup some users are experiencing
with SMP + HIGHMEM on some dual 800, let me know if you see the same).

Ben.


** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2002-02-16 19:26 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-02-13  1:08 new G4 dual 1 gig is here - how to install? Kevin B. Hendricks
2002-02-13  1:20 ` Tony 'Nicoya' Mantler
2002-02-13  1:55 ` Kevin B. Hendricks
2002-02-13  8:00   ` Olaf Hering
2002-02-13 13:49     ` Kevin B. Hendricks
2002-02-14  2:29   ` Kevin B. Hendricks
2002-02-14  3:53     ` Ani Joshi
2002-02-15 11:08       ` Kevin B. Hendricks
2002-02-16  9:30         ` Kevin B. Hendricks
2002-02-16 14:44           ` SMP kernel configuration question? Kevin B. Hendricks
2002-02-16 19:26             ` Benjamin Herrenschmidt [this message]
2002-02-16 15:39           ` SMP kernel seems to work fine Kevin B. Hendricks
2002-02-16 19:24           ` new G4 dual 1 gig is here - how to install? Benjamin Herrenschmidt
2002-02-14 13:53   ` Kevin B. Hendricks
2002-02-14 18:08     ` benh
2002-02-14 19:31       ` Christopher C. Chimelis
2002-02-13  2:25 ` Tom Rini
2002-02-13  5:37 ` Olaf Hering
2002-02-16  2:24 ` Kevin B. Hendricks
2002-02-16 19:19   ` Benjamin Herrenschmidt
2002-02-17 18:22     ` radeonfb.c flakiness Kevin B. Hendricks
2002-02-17 21:51       ` Benjamin Herrenschmidt
2002-02-18 20:55         ` Kevin B. Hendricks
2002-02-19  0:04           ` Benjamin Herrenschmidt
2002-02-16 23:59   ` question on best way to install other ide drives? Kevin B. Hendricks
2002-02-17  0:11     ` Tom Rini
2002-02-17 20:16     ` Timothy A. Seufert
2002-02-17 20:38       ` question: "disabling IRQ 54 defensively?" Kevin B. Hendricks
2002-02-17 21:53         ` Benjamin Herrenschmidt
2002-02-18  2:17         ` Final question: best wasy to move /, /usr, /home, etc? Kevin B. Hendricks
2002-02-18  2:36           ` Bastien Nocera
2002-02-18 16:16             ` Tom Rini
2002-02-18 16:20               ` Bastien Nocera
2002-02-18  3:12           ` Jeramy B. Smith
2002-02-18  8:42           ` Giuliano Pochini
2002-02-18 14:52             ` Derrik Pates
2002-02-18 15:05               ` Gabriel Paubert
2002-02-18 23:18                 ` Michael Heironimus
2002-02-18 17:31             ` David A. Gatwood
2002-02-17 21:52       ` question on best way to install other ide drives? Benjamin Herrenschmidt
2002-02-17 23:19         ` Tom Rini
2002-02-16  2:40 ` Weird bug problems with timing of NIC driver loading? Kevin B. Hendricks
2002-02-16 19:22   ` Benjamin Herrenschmidt

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