From: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Richard Henderson <rth@twiddle.net>,
Patrick Mochel <mochel@osdl.org>, Willy Tarreau <willy@w.ods.org>,
Petr Vandrovec <VANDROVE@vc.cvut.cz>,
linux-kernel@vger.kernel.org, jgarzik@pobox.com
Subject: Re: /proc/pci deprecation?
Date: Mon, 9 Dec 2002 16:35:11 +0300 [thread overview]
Message-ID: <20021209163511.A1637@jurassic.park.msu.ru> (raw)
In-Reply-To: <Pine.LNX.4.44.0212081747590.1209-100000@home.transmeta.com>; from torvalds@transmeta.com on Sun, Dec 08, 2002 at 05:54:16PM -0800
On Sun, Dec 08, 2002 at 05:54:16PM -0800, Linus Torvalds wrote:
> Writing it back is actively _bad_, since it will make it very hard to
> re-boot the machine without the BIOS re-enumarating the PCI bus and
> filling it in again (ie it would definitely screw up using things like
> kexec() on PC's, if the kernel we boot _from_ is an APIC kernel, but the
> kernel we boot _into_ is not).
True. This applies to alpha as well because of the way how modern consoles
encode IRQs routed through the ISA bridge (actual IRQ + 0xe0).
Probably we should eliminate pcibios_update_irq() call in
drivers/pci/setup-irq.c and see what happens. Nothing bad, I guess.
Ivan.
next prev parent reply other threads:[~2002-12-09 13:28 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-06 23:18 Petr Vandrovec
2002-12-07 7:44 ` Willy Tarreau
2002-12-07 13:20 ` Tomas Szepe
2002-12-07 19:03 ` Linus Torvalds
2002-12-08 2:56 ` Patrick Mochel
2002-12-08 4:21 ` Linus Torvalds
2002-12-08 20:56 ` Richard Henderson
2002-12-09 1:54 ` Linus Torvalds
2002-12-09 3:59 ` Patrick Mochel
2002-12-13 12:36 ` kernel isapnp (2.4.20) h-peter recktenwald
2002-12-09 13:35 ` Ivan Kokshaysky [this message]
2002-12-09 14:11 ` /proc/pci deprecation? Alan Cox
2002-12-09 17:00 ` Linus Torvalds
2002-12-09 18:29 ` Alan Cox
2002-12-09 18:11 ` Linus Torvalds
2002-12-09 18:16 ` Jeff Garzik
2002-12-10 0:43 ` Alan Cox
2002-12-10 0:30 ` Linus Torvalds
2002-12-10 5:57 ` Eric W. Biederman
2002-12-09 23:27 ` Vojtech Pavlik
2002-12-09 14:14 ` Alan Cox
2002-12-10 16:42 ` Martin Mares
2002-12-07 12:35 ` Erik Hensema
2002-12-07 13:15 ` Dr. David Alan Gilbert
2002-12-07 17:46 ` Arnaldo Carvalho de Melo
2002-12-09 19:03 ` Rogier Wolff
2002-12-09 19:08 ` Arnaldo Carvalho de Melo
2002-12-07 13:14 ` Tomas Szepe
2002-12-07 18:52 ` Petr Vandrovec
2002-12-08 12:30 ` Erik Hensema
2002-12-09 10:14 ` Geert Uytterhoeven
-- strict thread matches above, loose matches on Subject: below --
2002-12-09 11:00 Nicolas Mailhot
2002-12-09 9:15 Adam J. Richter
2002-12-06 21:13 Patrick Mochel
2002-12-06 22:17 ` Jeff Garzik
2002-12-06 22:13 ` Patrick Mochel
2002-12-07 16:23 ` Krzysztof Halasa
2002-12-07 21:18 ` Kai Henningsen
2002-12-08 20:01 ` Krzysztof Halasa
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