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From: Jake Moilanen <moilanen@austin.ibm.com>
To: jmerkey@galt.devicelogics.com
Cc: akpm@osdl.org, torvalds@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] Spinlock timeout
Date: Tue, 6 Jul 2004 17:15:36 -0500	[thread overview]
Message-ID: <20040706171536.7052fca4.moilanen@austin.ibm.com> (raw)
In-Reply-To: <20040706204314.GA16951@galt.devicelogics.com>

On Tue, 6 Jul 2004 14:43:14 -0600
jmerkey@galt.devicelogics.com wrote:

> 
> 
> You should also for the UP case of Linux keep a counter 
> and call BUG() when someone calls a spinlock twice rather than
> just push, cli, and pop interrupt flags.  Guess what, this
> allows you to catch most deadlock bugs with spinlocks 

Isn't this what CONFIG_DEBUG_SPINLOCK is for?

Thanks,
Jake

      parent reply	other threads:[~2004-07-06 22:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-06 21:16 Jake Moilanen
2004-07-06 21:39 ` Stephen Hemminger
     [not found] ` <20040706204314.GA16951@galt.devicelogics.com>
2004-07-06 22:15   ` Jake Moilanen [this message]

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