linux-kernel - Re: [PATCH v3 00/21] xen: simplify frontend side ring setup

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Date:   Thu, 5 May 2022 20:12:20 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        netdev@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-usb@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-integrity@...r.kernel.org, linux-pci@...r.kernel.org
Cc:     Stefano Stabellini <sstabellini@...nel.org>,
        Roger Pau Monné <roger.pau@...rix.com>,
        Jens Axboe <axboe@...nel.dk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        Peter Huewe <peterhuewe@....de>,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH v3 00/21] xen: simplify frontend side ring setup


On 5/5/22 4:16 AM, Juergen Gross wrote:
> Many Xen PV frontends share similar code for setting up a ring page
> (allocating and granting access for the backend) and for tearing it
> down.
>
> Create new service functions doing all needed steps in one go.
>
> This requires all frontends to use a common value for an invalid
> grant reference in order to make the functions idempotent.
>
> Changes in V3:
> - new patches 1 and 2, comments addressed
>
> Changes in V2:
> - new patch 9 and related changes in patches 10-18


For the patches that I was explicitly copied on:


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>