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From: Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>
To: Len Brown <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "Yu, Luming" <luming.yu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Bjorn Helgaas <bjorn.helgaas-VXdhtT5mjnY@public.gmane.org>,
	"Moore,
	Robert" <robert.moore-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Alex Williamson <alex.williamson-VXdhtT5mjnY@public.gmane.org>,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: Userspace ACPI interpreter ( was RE: [RFC] dev_acpi: support for userspace access to acpi)
Date: Thu, 28 Oct 2004 11:24:04 -0400	[thread overview]
Message-ID: <20041028152404.GB7902@thunk.org> (raw)
In-Reply-To: <418085B0.30208-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

On Thu, Oct 28, 2004 at 01:37:52AM -0400, Len Brown wrote:
> One way to experiment with a user-mode ACPI interpreter would be to 
> continue to use the kernel-mode interpreter for boot up , and cut over 
> to the user-mode interpreter at /sbin/init.  The kernel-mode interpreter 
> could be sent the way of free_initmem() which is called just before 
> /sbin/init is invoked.

Is there a significant advantage to doing having a user-mode ACPI
interpreter?  The only advantage I can think of is that the ACPI
interpreter could now live in pageable memory.  Are there any others?

					- Ted


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WARNING: multiple messages have this Message-ID (diff)
From: "Theodore Ts'o" <tytso@mit.edu>
To: Len Brown <len.brown@intel.com>
Cc: "Yu, Luming" <luming.yu@intel.com>,
	Bjorn Helgaas <bjorn.helgaas@hp.com>,
	"Moore, Robert" <robert.moore@intel.com>,
	Alex Williamson <alex.williamson@hp.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	acpi-devel@lists.sourceforge.net
Subject: Re: Userspace ACPI interpreter ( was RE: [ACPI] [RFC] dev_acpi: support for userspace access to acpi)
Date: Thu, 28 Oct 2004 11:24:04 -0400	[thread overview]
Message-ID: <20041028152404.GB7902@thunk.org> (raw)
In-Reply-To: <418085B0.30208@intel.com>

On Thu, Oct 28, 2004 at 01:37:52AM -0400, Len Brown wrote:
> One way to experiment with a user-mode ACPI interpreter would be to 
> continue to use the kernel-mode interpreter for boot up , and cut over 
> to the user-mode interpreter at /sbin/init.  The kernel-mode interpreter 
> could be sent the way of free_initmem() which is called just before 
> /sbin/init is invoked.

Is there a significant advantage to doing having a user-mode ACPI
interpreter?  The only advantage I can think of is that the ACPI
interpreter could now live in pageable memory.  Are there any others?

					- Ted

  parent reply	other threads:[~2004-10-28 15:24 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-28  4:04 Userspace ACPI interpreter ( was RE: [ACPI] [RFC] dev_acpi: support for userspace access to acpi) Yu, Luming
2004-10-28  4:04 ` Yu, Luming
2004-10-28  5:37 ` Len Brown
     [not found]   ` <418085B0.30208-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2004-10-28 15:24     ` Theodore Ts'o [this message]
2004-10-28 15:24       ` Theodore Ts'o
2004-10-29  4:48       ` Len Brown
2004-10-29  4:58         ` Userspace ACPI interpreter ( was " Andi Kleen
2004-10-29  4:58           ` Userspace ACPI interpreter ( was RE: [ACPI] " Andi Kleen
2004-10-28 15:18 ` Userspace ACPI interpreter ( was " Bjorn Helgaas
2004-10-28 15:18   ` Userspace ACPI interpreter ( was RE: [ACPI] " Bjorn Helgaas
  -- strict thread matches above, loose matches on Subject: below --
2004-10-29  2:40 Userspace ACPI interpreter ( was " Yu, Luming
2004-10-29  2:51 Yu, Luming

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