From: "H. Peter Anvin" <hpa@kernel.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Bernhard Walle <bwalle@suse.de>,
x86@kernel.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, crash-utility@redhat.com
Subject: Re: Turn CONFIG_STRICT_DEVMEM in sysctl dev.mem.restricted
Date: Sun, 16 Nov 2008 12:32:46 -0800 [thread overview]
Message-ID: <4920836E.1080803@kernel.org> (raw)
In-Reply-To: <20081116073948.02aea58c@infradead.org>
Arjan van de Ven wrote:
>
> I assume /dev/crash is read only
>
> but your series still makes absolutely no sense to me...
> really. Nak.
>
> You either want this at compile time or you don't want it at all.
>
You could certainly envision this as a boottime option, or even a
*one-way* settable runtime option (kind of like the BSD securelevel
idea.) The question is to which extent even that makes any sense.
-hpa
prev parent reply other threads:[~2008-11-16 20:36 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-16 14:47 Turn CONFIG_STRICT_DEVMEM in sysctl dev.mem.restricted Bernhard Walle
2008-11-16 14:47 ` [PATCH 1/3] Unify devmem_is_allowed across architectures Bernhard Walle
2008-11-16 14:47 ` [PATCH 2/3] Add dev.mem.restricted sysctl Bernhard Walle
2008-11-16 15:07 ` Willy Tarreau
2008-11-16 14:47 ` [PATCH 3/3] Remove CONFIG_STRICT_DEVMEM Bernhard Walle
2008-11-16 15:09 ` Alan Cox
2008-11-16 15:09 ` Alan Cox
2008-11-16 15:21 ` Bernhard Walle
2008-11-16 15:46 ` Alan Cox
2008-11-16 15:46 ` Alan Cox
2008-11-17 13:57 ` David Howells
2008-11-16 15:07 ` Turn CONFIG_STRICT_DEVMEM in sysctl dev.mem.restricted Alan Cox
2008-11-16 15:07 ` Alan Cox
2008-11-16 15:20 ` Bernhard Walle
2008-11-16 15:45 ` Alan Cox
2008-11-16 15:45 ` Alan Cox
2008-11-16 16:03 ` Arjan van de Ven
2008-11-16 16:09 ` Alan Cox
2008-11-16 16:09 ` Alan Cox
2008-11-16 16:19 ` Bernhard Walle
2008-11-16 16:11 ` Bernhard Walle
2008-11-16 17:03 ` Alan Cox
2008-11-16 17:03 ` Alan Cox
2008-11-16 15:39 ` Arjan van de Ven
2008-11-16 15:39 ` Arjan van de Ven
2008-11-16 15:56 ` Bernhard Walle
2008-11-16 16:06 ` Arjan van de Ven
2008-11-16 20:32 ` H. Peter Anvin [this message]
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