From: Arjan van de Ven <arjan@infradead.org>
To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: OGAWA Hirofumi <hogawa@miraclelinux.com>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -mm] MMCONFIG: Fix x86_64 ioremap base_address
Date: Mon, 25 Dec 2006 13:36:37 +0100 [thread overview]
Message-ID: <1167050198.3281.1635.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <87fyb6n86a.fsf@duaron.myhome.or.jp>
> Current workaround is the following (both of linus and -mm),
>
> if (pci_mmcfg_config_num == 1 &&
> cfg->pci_segment_group_number == 0 &&
> (cfg->start_bus_number | cfg->end_bus_number) == 0)
> /* Assume it can access 256M range */
>
> But, if the system has bus number 0 only, it's a correct table.
> We may need to detect the broken system. blacklist?
or just... not assume 256Mb but assume broken?
--
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org
next prev parent reply other threads:[~2006-12-25 12:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-23 1:02 OGAWA Hirofumi
2006-12-23 10:20 ` Arjan van de Ven
2006-12-23 11:49 ` OGAWA Hirofumi
2006-12-25 12:36 ` Arjan van de Ven [this message]
2006-12-25 15:49 ` Olivier Galibert
2006-12-25 18:50 ` OGAWA Hirofumi
2006-12-25 19:01 ` OGAWA Hirofumi
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