From: "Yinghai Lu" <yhlu.kernel@gmail.com>
To: "Suresh Siddha" <suresh.b.siddha@intel.com>
Cc: mingo@elte.hu, hpa@zytor.com, tglx@linutronix.de,
linux-kernel@vger.kernel.org
Subject: Re: [patch] tip/x86_64: fix e820 merge issue which broke max_pfn_mapped
Date: Tue, 8 Jul 2008 17:59:39 -0700 [thread overview]
Message-ID: <86802c440807081759i3baafa9bj7e8ff544a1a78fb9@mail.gmail.com> (raw)
In-Reply-To: <20080708230837.GD1678@linux-os.sc.intel.com>
On Tue, Jul 8, 2008 at 4:08 PM, Suresh Siddha <suresh.b.siddha@intel.com> wrote:
> With out this 64bit tip/master doesn't boot using ACPI on my system.
> ---
>
> max_pfn_mapped should include all e820 entries.
> The direct mapping extends to max_pfn_mapped, so that we can directly access
> apertures, ACPI and other tables without having to play with fixmaps.
>
> With this, my system with 1GB memory boots fine with ACPI enabled.
so without this patch, your system doesn't boot?
YH
next prev parent reply other threads:[~2008-07-09 0:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-08 23:08 Suresh Siddha
2008-07-09 0:47 ` Yinghai Lu
2008-07-09 0:59 ` Yinghai Lu [this message]
2008-07-09 1:56 ` Yinghai Lu
2008-07-09 17:56 ` Suresh Siddha
2008-07-09 18:05 ` Yinghai Lu
2008-07-09 18:11 ` Jeremy Fitzhardinge
2008-07-09 18:44 ` Suresh Siddha
2008-07-09 18:47 ` Yinghai Lu
2008-07-09 18:50 ` Suresh Siddha
2008-07-09 18:51 ` Yinghai Lu
2008-07-09 19:03 ` Jeremy Fitzhardinge
2008-07-09 20:34 ` Ingo Molnar
2008-07-09 18:48 ` Suresh Siddha
2008-07-09 18:59 ` Yinghai Lu
2008-07-09 17:00 ` Suresh Siddha
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