From: Matthew Garrett <mjg59@srcf.ucam.org>
To: limp <johnkyr83@hotmail.com>
Cc: linux-acpi@vger.kernel.org
Subject: Re: Necessity of SMM/SMI use on ACPI x86 systems
Date: Sun, 3 Apr 2011 16:34:36 +0100 [thread overview]
Message-ID: <20110403153436.GA30667@srcf.ucam.org> (raw)
In-Reply-To: <SNT111-DS81E1BD67986CA3A41C144A7A00@phx.gbl>
On Sun, Apr 03, 2011 at 12:40:47PM +0100, limp wrote:
> Can anyone advise me if it's possible to write ACPI AML BIOS code that does
> whatever it was intended to be executed in SMM? In general, is there any
> *strong* argument saying that (at least) current systems cannot completely
> eliminate the use of SMIs?
It's a turing-complete language with full access to the hardware, so
there's no reason why you can't entirely eliminate SMIs. The usual
reason not to would be to retain commonality of code for non-ACPI
environments like the setup screen.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2011-04-03 15:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-03 11:40 Necessity of SMM/SMI use on ACPI x86 systems limp
2011-04-03 15:34 ` Matthew Garrett [this message]
2011-04-04 13:41 ` limp
2011-04-04 13:53 ` Matthew Garrett
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