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Re: [PATCH] ipconfig schedule fix

To: Magnus Damm <magnus.damm@xxxxxxxxx>
Subject: Re: [PATCH] ipconfig schedule fix
From: "David S. Miller" <davem@xxxxxxxxxxxxx>
Date: Tue, 23 Nov 2004 15:18:55 -0800
Cc: netdev@xxxxxxxxxxx
In-reply-to: <aec7e5c3041123145030b75d14@xxxxxxxxxxxxxx>
References: <aec7e5c3041123145030b75d14@xxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Tue, 23 Nov 2004 23:50:35 +0100
Magnus Damm <magnus.damm@xxxxxxxxx> wrote:

> This simple patch makes the DHCP/BOOTP/RARP code sleep with
> schedule_timeout() instead of hogging the cpu with cpu_relax() in a
> loop. This comes handy when a guest kernel is booted inside QEMU.
> Without the patch, the host operating system will consume cpu time
> busy waiting.

There are two similar loops involving CONF_PRE_OPEN and CONF_POST_OPEN,
you may wish to hit those while you're at it.

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