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From: David Miller <davem@davemloft.net>
To: gregkh@suse.de
Cc: barak@neocleus.com, linux-kernel@vger.kernel.org,
	linux-pci@atrey.karlin.mff.cuni.cz, guy@neocleus.com
Subject: Re: [PATCH] Align PCI memory regions to page size (4K) - Fix
Date: Sun, 28 Oct 2007 18:08:07 -0700 (PDT)	[thread overview]
Message-ID: <20071028.180807.165828961.davem@davemloft.net> (raw)
In-Reply-To: <20071028200336.GA14563@suse.de>

From: Greg KH <gregkh@suse.de>
Date: Sun, 28 Oct 2007 13:03:36 -0700

> But doesn't aligning such regions on that alignment break some devices
> as that is not what the device is asking for in the BIOS?

There are also platforms where bootup firmware chooses the
allocations, and that is what we use no matter what.  This is so that
when breaking into the firmware for debugging the firmware can still
access the console device where it had mapped it in the first place.

We really can't do things this way.

  parent reply	other threads:[~2007-10-29  1:08 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-28 17:27 Barak Fargoun
2007-10-28 19:31 ` Greg KH
2007-10-28 19:53   ` Barak Fargoun
2007-10-28 20:03     ` Greg KH
2007-10-28 20:44       ` Barak Fargoun
2007-10-29  1:08       ` David Miller [this message]
2007-11-13 21:17         ` Benjamin Herrenschmidt
2007-11-14  6:21           ` Grant Grundler
2007-11-14  8:16             ` Benjamin Herrenschmidt
2007-11-14 21:55               ` Grant Grundler
2007-11-14 22:16                 ` Benjamin Herrenschmidt
2007-10-29  5:52       ` Grant Grundler
2007-11-08 23:24         ` Linas Vepstas
2007-11-12 23:43           ` Grant Grundler
2007-10-28 19:48 ` Arjan van de Ven

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