From: pageexec@freemail.hu
To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
Andi Kleen <andi@firstfloor.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [patch 06/11] Text Edit Lock - Alternative code for x86
Date: Thu, 06 Dec 2007 15:58:05 +0200 [thread overview]
Message-ID: <47581C0D.20793.3B77EE8@pageexec.freemail.hu> (raw)
In-Reply-To: <20071206144431.GA11846@Krystal>
On 6 Dec 2007 at 9:44, Mathieu Desnoyers wrote:
> It is correct to assume that the WP bit will always be activated, in
> every configuration, even though we don't use the DEBUG_RODATA ?
yes, without it the kernel couldn't rely on page faults to trigger
copy-on-write on userland pages for example (just look at what it
has to do on the original i386...).
next prev parent reply other threads:[~2007-12-06 15:01 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-06 2:02 [patch 00/11] Text Edit Lock for 2.6.24-rc4-git3 Mathieu Desnoyers
2007-12-06 2:02 ` [patch 01/11] Kprobes - use a mutex to protect the instruction pages list Mathieu Desnoyers
2007-12-06 2:02 ` [patch 02/11] Kprobes - do not use kprobes mutex in arch code Mathieu Desnoyers
2007-12-06 2:02 ` [patch 03/11] Kprobes - declare kprobe_mutex static Mathieu Desnoyers
2007-12-06 2:02 ` [patch 04/11] Add INIT_ARRAY() to kernel.h Mathieu Desnoyers
2007-12-06 2:02 ` [patch 05/11] Text Edit Lock - Architecture Independent Code Mathieu Desnoyers
2007-12-06 2:02 ` [patch 06/11] Text Edit Lock - Alternative code for x86 Mathieu Desnoyers
2007-12-06 12:19 ` pageexec
2007-12-06 14:21 ` Mathieu Desnoyers
2007-12-06 14:44 ` Mathieu Desnoyers
2007-12-06 13:58 ` pageexec [this message]
2007-12-06 15:17 ` [patch 06/11] Text Edit Lock - Alternative code for x86 (update) Mathieu Desnoyers
2007-12-06 2:02 ` [patch 07/11] Text Edit Lock - kprobes architecture independent support Mathieu Desnoyers
2007-12-06 2:02 ` [patch 08/11] Text Edit Lock - kprobes x86_32 Mathieu Desnoyers
2007-12-06 2:02 ` [patch 09/11] Text Edit Lock - kprobes x86_64 Mathieu Desnoyers
2007-12-06 2:02 ` [patch 10/11] Text Edit Lock - x86_32 standardize debug rodata Mathieu Desnoyers
2007-12-06 2:02 ` [patch 11/11] Text Edit Lock - x86_64 " Mathieu Desnoyers
2007-12-06 9:47 ` [patch 00/11] Text Edit Lock for 2.6.24-rc4-git3 Heiko Carstens
2007-12-06 14:07 ` Mathieu Desnoyers
-- strict thread matches above, loose matches on Subject: below --
2007-11-13 18:46 [patch 00/11] Text Edit Lock Mathieu Desnoyers
2007-11-13 18:46 ` [patch 06/11] Text Edit Lock - Alternative code for x86 Mathieu Desnoyers
2007-11-13 20:54 ` pageexec
2007-11-13 22:10 ` Mathieu Desnoyers
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