From: "H. Peter Anvin" <hpa@zytor.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Thomas Renninger <trenn@suse.de>,
linux-acpi@vger.kernel.org, lenb@kernel.org, rjw@sisk.pl,
aaron.lu@intel.com, devurandom@gmx.net
Subject: Re: [PATCH 2/2] ACPI: Overriding ACPI tables via initrd only works with an initrd and on X86
Date: Mon, 25 Feb 2013 12:02:18 -0800 [thread overview]
Message-ID: <512BC34A.9090504@zytor.com> (raw)
In-Reply-To: <CAE9FiQXnJF_qXgG5fN7xE7t40a5yF79hksei6YgYAcmjtaNwOg@mail.gmail.com>
On 02/25/2013 12:00 PM, Yinghai Lu wrote:
>
> Can replace max_low_pfn_mapped with max_low_pfn instead ?
> like to see if you can put acpi tables above 4G for x86_64.
>
> if it does not work, you can use min(max_low_pfn<<PAGE_SHIFT, 0xffffffffUL)
> instead.
>
This is part of why we really need to get rid of these stupid variables
one and for all. The only exception should perhaps be to mark the
HIGHMEM crossover point on HIGHMEM systems.
-hpa
next prev parent reply other threads:[~2013-02-25 20:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-22 13:12 Fixups for ACPI initrd table override Thomas Renninger
2013-02-22 13:12 ` [PATCH 1/2] ACPI: Cleanup acpi_initrd_override declaration and remove ifdefs Thomas Renninger
2013-02-22 13:12 ` [PATCH 2/2] ACPI: Overriding ACPI tables via initrd only works with an initrd and on X86 Thomas Renninger
2013-02-25 20:00 ` Yinghai Lu
2013-02-25 20:02 ` H. Peter Anvin [this message]
2013-02-25 20:07 ` Yinghai Lu
2013-02-25 17:26 ` Fixups for ACPI initrd table override Dennis Schridde
2013-02-25 18:48 ` H. Peter Anvin
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