From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Rajesh Shah <rajesh.shah@intel.com>
Cc: Tom L Nguyen <tom.l.nguyen@intel.com>, linux-kernel@vger.kernel.org
Subject: Re: MSI to memory?
Date: Fri, 2 Jul 2004 09:51:08 -0600 [thread overview]
Message-ID: <200407020951.08038.bjorn.helgaas@hp.com> (raw)
In-Reply-To: <20040701115339.A4265@unix-os.sc.intel.com>
On Thursday 01 July 2004 12:53 pm, Rajesh Shah wrote:
> On Thu, Jul 01, 2004 at 12:15:59PM -0600, Bjorn Helgaas wrote:
> > If so, is that a useful capability that should be exposed through
> > the Linux MSI interface?
> ...
> What type of usage model did you have in mind to have the
> device write to memory instead of using MSI for interrupts?
I'm not a driver writer. I don't have any usage model in mind. I'm
merely asking whether this is interesting functionality, because I
don't see any generic way to use it, given the current Linux MSI
interfaces. I guess the answer is "the time to figure out an interface
is when somebody figures out an interesting way to use it."
next prev parent reply other threads:[~2004-07-02 15:51 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 [this message]
2004-07-07 12:31 ` Davide Rossetti
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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