From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
To: Arjan van de Ven <arjan@infradead.org>
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: Tue, 26 Dec 2006 04:01:54 +0900 [thread overview]
Message-ID: <873b73x0il.fsf@duaron.myhome.or.jp> (raw)
In-Reply-To: <1167050198.3281.1635.camel@laptopd505.fenrus.org> (Arjan van de Ven's message of "Mon\, 25 Dec 2006 13\:36\:37 +0100")
Arjan van de Ven <arjan@infradead.org> writes:
>> 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?
I see. And instead, add force enable option?
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
prev parent reply other threads:[~2006-12-25 19:02 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
2006-12-25 15:49 ` Olivier Galibert
2006-12-25 18:50 ` OGAWA Hirofumi
2006-12-25 19:01 ` OGAWA Hirofumi [this message]
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