linux-kernel - Re: [PATCH] x86, Fix broken LDT access in VMI

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Message-ID: <20080930191356.GA28057@elte.hu>
Date:	Tue, 30 Sep 2008 21:13:56 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Zachary Amsden <zach@...are.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Glauber de Oliveira Costa <gcosta@...hat.com>
Subject: Re: [PATCH] x86, Fix broken LDT access in VMI


* Zachary Amsden <zach@...are.com> wrote:

> This one took a long time to rear up because LDT usage is not very
> common, but the bug is quite serious.  It got introduced along with
> another bug, already fixed, by 75b8bb3e56ca09a467fbbe5229bc68627f7445be 
> 
> Please apply.  Fix should also be headed for stable tree and backported,
> it is really sadly trivial.  Glauber, Ingo, sorry for the offlist
> posting, somehow the original missed LKML.

> -	vmi_ops.write_idt_entry(dt, entry, ldt_entry[0], ldt_entry[1]);
> +	vmi_ops.write_ldt_entry(dt, entry, ldt_entry[0], ldt_entry[1]);

oops. Applied to tip/x86/urgent, thanks Zachary!

	Ingo
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