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Re: Deadlock in sungem/ip_auto_config/linkwatch

To: Stefan Rompf <srompf@xxxxxx>
Subject: Re: Deadlock in sungem/ip_auto_config/linkwatch
From: "David S. Miller" <davem@xxxxxxxxxx>
Date: Mon, 5 Jan 2004 11:02:48 -0800
Cc: mostrows@xxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <200401051550.51063.srompf@xxxxxx>
References: <1073307882.2041.98320.camel@xxxxxxxxxxxxxxxxxxxx> <200401051550.51063.srompf@xxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Mon, 5 Jan 2004 15:50:50 +0100
Stefan Rompf <srompf@xxxxxx> wrote:

> Btw, what is the planned difference between rtnl_shlock() and rtnl_exlock()? 
> Even though the later is a null operation right now, I don't want to hold 
> more locks than needed in the linkwatch code.

The idea was originally to make the RTNL semaphore a read-write one,
but I doubt we'll ever make that happen and the shlock bits will just
disappear entirely.

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