From: Arjan van de Ven <arjan@infradead.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, crash-utility@redhat.com,
Bernhard Walle <bwalle@suse.de>
Subject: Re: Turn CONFIG_STRICT_DEVMEM in sysctl dev.mem.restricted
Date: Sun, 16 Nov 2008 07:39:48 -0800 [thread overview]
Message-ID: <20081116073948.02aea58c@infradead.org> (raw)
In-Reply-To: <1226846868-9595-1-git-send-email-bwalle@suse.de>
On Sun, 16 Nov 2008 15:47:45 +0100
Bernhard Walle <bwalle@suse.de> wrote:
> While the original submission of CONFIG_STRICT_DEVMEM mentions that
> the option has been in RHEL and Fedora for 4 years without problems,
> that's only a half of the story. The truth is that at least RHEL
> has /dev/crash exactly to circumvent that /dev/mem restriction. Don't
> tell me that this is better than having that sysctl entry. ;-)
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.
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
WARNING: multiple messages have this Message-ID (diff)
From: Arjan van de Ven <arjan@infradead.org>
To: Bernhard Walle <bwalle@suse.de>
Cc: 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 07:39:48 -0800 [thread overview]
Message-ID: <20081116073948.02aea58c@infradead.org> (raw)
Message-ID: <20081116153948.6oGtfjx6QnW1WIKgH3PkK9_FTdjn7Mnc9uj-ALzo_aM@z> (raw)
In-Reply-To: <1226846868-9595-1-git-send-email-bwalle@suse.de>
On Sun, 16 Nov 2008 15:47:45 +0100
Bernhard Walle <bwalle@suse.de> wrote:
> While the original submission of CONFIG_STRICT_DEVMEM mentions that
> the option has been in RHEL and Fedora for 4 years without problems,
> that's only a half of the story. The truth is that at least RHEL
> has /dev/crash exactly to circumvent that /dev/mem restriction. Don't
> tell me that this is better than having that sysctl entry. ;-)
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.
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2008-11-16 15:39 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 [this message]
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
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