Re: [PATCH 17/19] x86, msi: Introduce x86_msi.compose_msi_msgcall-back

From: Konrad Rzeszutek Wilk
Date: Tue Aug 21 2012 - 10:52:54 EST


On Tue, Aug 21, 2012 at 10:40:07AM +0200, Joerg Roedel wrote:
> On Mon, Aug 20, 2012 at 10:08:44AM -0400, Konrad Rzeszutek Wilk wrote:
> > On Mon, Aug 20, 2012 at 03:56:03PM +0200, Joerg Roedel wrote:
> > > This call-back points to the right function for initializing
> > > the msi_msg structure.
> >
> > What is the 'hpet_id' purpose in this?
>
> The VT-d implementation uses it. This function is used to create the MSI
> message for PCI devices and the HPET. When it is called for the HPET the
> pdev parameter is NULL and hpet_id is valid.

Perhaps then a more generic term? 'void *platform_priv' ?
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