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Message-ID: <YrIxlLjXS0GiEpYg@Asurada-Nvidia>
Date:   Tue, 21 Jun 2022 14:01:08 -0700
From:   Nicolin Chen <nicolinc@...dia.com>
To:     Harald Freudenberger <freude@...ux.ibm.com>
CC:     <kwankhede@...dia.com>, <corbet@....net>, <hca@...ux.ibm.com>,
        <gor@...ux.ibm.com>, <agordeev@...ux.ibm.com>,
        <borntraeger@...ux.ibm.com>, <svens@...ux.ibm.com>,
        <zhenyuw@...ux.intel.com>, <zhi.a.wang@...el.com>,
        <jani.nikula@...ux.intel.com>, <joonas.lahtinen@...ux.intel.com>,
        <rodrigo.vivi@...el.com>, <tvrtko.ursulin@...ux.intel.com>,
        <airlied@...ux.ie>, <daniel@...ll.ch>, <farman@...ux.ibm.com>,
        <mjrosato@...ux.ibm.com>, <pasic@...ux.ibm.com>,
        <vneethv@...ux.ibm.com>, <oberpar@...ux.ibm.com>,
        <akrowiak@...ux.ibm.com>, <jjherne@...ux.ibm.com>,
        <alex.williamson@...hat.com>, <cohuck@...hat.com>,
        <jgg@...dia.com>, <kevin.tian@...el.com>, <jchrist@...ux.ibm.com>,
        <kvm@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-s390@...r.kernel.org>,
        <intel-gvt-dev@...ts.freedesktop.org>,
        <intel-gfx@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>
Subject: Re: [RFT][PATCH v1 1/6] vfio/ap: Pass in physical address of ind to
 ap_aqic()

On Mon, Jun 20, 2022 at 12:00:53PM +0200, Harald Freudenberger wrote:
> External email: Use caution opening links or attachments
> 
> 
> On 2022-06-17 01:52, Nicolin Chen wrote:
> > The ap_aqic() is called by vfio_ap_irq_enable() where it passes in a
> > virt value that's casted from a physical address "h_nib". Inside the
> > ap_aqic(), it does virt_to_phys() again.
> > 
> > Since ap_aqic() needs a physical address, let's just pass in a pa of
> > ind directly. So change the "ind" to "pa_ind".
> > 
> > Signed-off-by: Nicolin Chen <nicolinc@...dia.com>

> Add my Reviewed-By: Harald Freudenberger <freude@...ux.ibm.com>

Will do. Thanks!

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