From: "H. Peter Anvin" <hpa@zytor.com>
To: Ondrej Zary <linux@rainbow-software.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] Enable A20 using KBC for some MSI laptops to fix S3 resume
Date: Tue, 11 Dec 2012 11:07:50 -0800 [thread overview]
Message-ID: <50C78486.9070700@zytor.com> (raw)
In-Reply-To: <201212111959.15808.linux@rainbow-software.org>
On 12/11/2012 10:59 AM, Ondrej Zary wrote:
>
> As I said before, the BIOS probably breaks on resume before any Linux code is
> executed. So any fix must be done before suspending.
>
Well, that code should be independent of A20, being in low memory, but
if the BIOS itself crashes, then that's... yeah.
> I hate quirks too. A general solution would be to always enable A20 using KBC
> (if KBC is present) but that's probably not acceptable.
I don't see why not. If so we could just do it as part of the
initialization of the i8042 driver.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-12-11 19:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-26 8:56 [PATCH v3] Enable A20 using KBC for some MSI laptops to fix S3 resume Ondrej Zary
2012-11-05 20:35 ` Ondrej Zary
2012-12-10 21:26 ` H. Peter Anvin
2012-12-10 22:51 ` Ondrej Zary
2012-12-11 18:59 ` Ondrej Zary
2012-12-11 19:07 ` H. Peter Anvin [this message]
2012-12-11 20:29 ` Ondrej Zary
2012-12-11 20:36 ` H. Peter Anvin
2012-12-11 20:50 ` Ondrej Zary
2012-12-11 20:56 ` H. Peter Anvin
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