From: "H. Peter Anvin" <hpa@kernel.org>
To: Marc Aurele La France <root@ualberta.ca>
Cc: stable@kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org,
"H. Peter Anvin" <hpa@linux.intel.com>,
Research.Support@ualberta.ca
Subject: Re: [PATCH] x86, setup (2.6.30-stable) fix 80x34 and 80x60 console modes
Date: Mon, 29 Jun 2009 18:27:40 -0700 [thread overview]
Message-ID: <4A496A0C.809@kernel.org> (raw)
In-Reply-To: <alpine.BSO.1.10.0906291746410.14658@fanir.ucs.ualberta.ca>
Marc Aurele La France wrote:
> As coded, most INT10 calls in video-vga.c allow the compiler to assume EAX
> remains unchanged across them, which is not always the case. This
> triggers an optimisation issue that causes vga_set_vertical_end() to be
> called with an incorrect number of scanlines. Fix this by beefing up the
> asm constraints on these calls.
>
> Reported-by: Marc Aurele La France <tsi@xfree86.org>
> Signed-off-by: Marc Aurele La France <tsi@xfree86.org>
> Acked-by: H. Peter Anvin <hpa@zytor.com>
Note: this is not in upstream since upstream is not affected due to the
new "BIOS glovebox" subsystem.
-hpa
next prev parent reply other threads:[~2009-06-30 1:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-30 0:07 [PATCH] x86, setup (2.6.30-stable) fix 80x34 and 80x60 console modes Marc Aurele La France
2009-06-30 1:27 ` H. Peter Anvin [this message]
2009-06-30 3:48 ` [stable] " Greg KH
2009-06-30 6:33 ` H. Peter Anvin
2009-06-30 14:01 ` [rs] " Marc Aurele La France
2009-06-30 15:43 ` Greg KH
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4A496A0C.809@kernel.org \
--to=hpa@kernel.org \
--cc=Research.Support@ualberta.ca \
--cc=hpa@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=root@ualberta.ca \
--cc=stable@kernel.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.