From: Andrea Arcangeli <andrea@suse.de>
To: john stultz <johnstul@us.ibm.com>
Cc: Ulrich Drepper <drepper@redhat.com>,
lkml <linux-kernel@vger.kernel.org>, Andi Kleen <ak@suse.de>,
Jamie Lokier <jamie@shareable.org>,
"Martin J. Bligh" <mbligh@aracnet.com>,
Wim Coekaerts <wim.coekaerts@oracle.com>,
Joel Becker <Joel.Becker@oracle.com>,
Chris McDermott <lcm@us.ibm.com>
Subject: Re: [RFC][PATCH] linux-2.6.4-pre1_vsyscall-gtod_B3-part3 (3/3)
Date: Thu, 4 Mar 2004 04:15:57 +0100 [thread overview]
Message-ID: <20040304031557.GD4922@dualathlon.random> (raw)
In-Reply-To: <1078368889.10076.255.camel@cog.beaverton.ibm.com>
On Wed, Mar 03, 2004 at 06:54:49PM -0800, john stultz wrote:
> On Wed, 2004-03-03 at 18:47, Andrea Arcangeli wrote:
> > And sysenter is at a fixed address in 2.6 x86 too (it doesn't even
> > change between different kernel compiles).
>
> Actually, the 4G patch pushes vsysenter down a page, and glibc seems to
> handle this properly.
this is nice for x86 indeed. This has never been a concern in x86-64
since there's no need to move the address space there.
so in short this means 64G machines using 4:4 will need two tries to get
to the root shell, every bother box will succeed at the first try ;).
next prev parent reply other threads:[~2004-03-04 3:15 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-04 0:11 [RFC][PATCH] vsyscall-gtod_B3 (0/3) john stultz
2004-03-04 0:12 ` [RFC][PATCH] linux-2.6.4-pre1_vsyscall-gtod_B3-part1 (1/3) john stultz
2004-03-04 0:13 ` [RFC][PATCH] linux-2.6.4-pre1_vsyscall-gtod_B3-part2 (2/3) john stultz
2004-03-04 0:14 ` [RFC][PATCH] linux-2.6.4-pre1_vsyscall-gtod_B3-part3 (3/3) john stultz
2004-03-04 0:55 ` Andrea Arcangeli
2004-03-04 2:16 ` Ulrich Drepper
2004-03-04 2:43 ` john stultz
2004-03-04 3:14 ` Andrea Arcangeli
2004-03-04 8:09 ` Ulrich Drepper
2004-03-04 19:02 ` john stultz
2004-03-04 2:47 ` Andrea Arcangeli
2004-03-04 2:54 ` john stultz
2004-03-04 3:15 ` Andrea Arcangeli [this message]
2004-03-04 8:57 ` Jakub Jelinek
2004-03-04 16:45 ` Andrea Arcangeli
2004-03-04 8:00 ` Jamie Lokier
2004-03-04 8:37 ` Jakub Jelinek
2004-03-04 17:48 ` Andrea Arcangeli
2004-03-04 0:15 ` [RFC] vsyscall-gtod_test_B3.tar.gz john stultz
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