From: Andi Kleen <ak@suse.de>
To: Corey Minyard <cminyard@mvista.com>
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org
Subject: Re: [PATCH} Network interface for IPMI
Date: 18 Nov 2004 05:36:44 +0100 [thread overview]
Message-ID: <p73oehv22oz.fsf@brahms.suse.de> (raw)
In-Reply-To: <31Fe2-5kB-11@gated-at.bofh.it>
Corey Minyard <cminyard@mvista.com> writes:
> I have decided
> that the network interface for IPMI is a good thing, as the IPMI
> device ioctls have pointers and require ugly hacks. None should be
> needed for the network interface.
That's a joke, right?
> +struct ipmi_sock_msg {
> + int recv_type;
> + long msgid;
^^^^^^^^^^^
Of course long would need to be always emulated. Your patch
shows exactly why packet based protocols for this are a bad
idea. The problem is that people will get it wrong, and then
it's nearly impossible to fix for a socket based protocol
because read/write cannot be easily hooked
(with ipsec we have exactly this problem already)
ioctls at least can be fixed up. Please keep using them.
> + int data_len;
> + unsigned char data[0];
And I don't even want to know what's in there.
Andrew, please don't apply this broken patch.
-Andi
next parent reply other threads:[~2004-11-18 5:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <31Fe2-5kB-11@gated-at.bofh.it>
2004-11-18 4:36 ` Andi Kleen [this message]
2004-11-18 14:09 ` Corey Minyard
2004-11-17 20:36 Corey Minyard
2004-11-17 20:51 ` Andrew Morton
2004-11-17 21:19 ` Corey Minyard
2004-11-17 22:12 ` Corey Minyard
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