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From: Davide Rossetti <davide.rossetti@roma1.infn.it>
To: unlisted-recipients:; (no To-header on input)
Cc: linux-kernel@vger.kernel.org
Subject: Re: MSI to memory?
Date: Wed, 07 Jul 2004 14:31:47 +0200	[thread overview]
Message-ID: <40EBED33.3050707@roma1.infn.it> (raw)
In-Reply-To: <20040701115339.A4265@unix-os.sc.intel.com>

Rajesh Shah wrote:

> What type of usage model did you have in mind to have the
>
>device write to memory instead of using MSI for interrupts?
>  
>
for instance for a fast wake-up trick. the driver loops on a memory 
location until the MSI write access changes the memory content...


  parent reply	other threads:[~2004-07-07 12:31 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-01 18:15 MSI to memory? Bjorn Helgaas
2004-07-01 18:53 ` Rajesh Shah
2004-07-02 15:51   ` Bjorn Helgaas
2004-07-07 12:31   ` Davide Rossetti [this message]
2004-07-07 12:45     ` Helge Hafting
2004-07-07 16:59       ` Roland Dreier
2004-07-08  9:03         ` Helge Hafting
2004-07-07 17:04       ` Zwane Mwaikambo
2004-07-07 13:15     ` Richard B. Johnson
2004-07-07 17:13     ` Rajesh Shah
2004-07-02 16:04 ` Roland Dreier

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