linux-kernel - Re: [patch] paravirt: VDSO page is essential

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Message-ID: <20070305142820.GD22829@bingen.suse.de>
Date:	Mon, 5 Mar 2007 15:28:20 +0100
From:	Andi Kleen <ak@...e.de>
To:	Avi Kivity <avi@...ranet.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Roland McGrath <roland@...hat.com>,
	Andi Kleen <ak@...e.de>, Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [patch] paravirt: VDSO page is essential

> Can't paravirt patch the syscall instruction like it does the rest of 
> the kernel?

The problem is not the syscall instruction, but some problem with
the way the vDSO mapping is set up with CONFIG_PARAVIRT that broke older glibc.

-Andi
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