linux-kernel - Re: [PATCH v3 15/21] xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown

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Message-ID: <642471c7-f717-2ef4-1d6d-6fabf57db08f@suse.com>
Date:   Wed, 18 May 2022 11:41:51 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Jarkko Sakkinen <jarkko@...nel.org>
Cc:     xen-devel@...ts.xenproject.org, linux-integrity@...r.kernel.org,
        linux-kernel@...r.kernel.org, Peter Huewe <peterhuewe@....de>,
        Jason Gunthorpe <jgg@...pe.ca>
Subject: Re: [PATCH v3 15/21] xen/tpmfront: use xenbus_setup_ring() and
 xenbus_teardown_ring()

On 07.05.22 00:32, Jarkko Sakkinen wrote:
> On Thu, May 05, 2022 at 10:16:34AM +0200, Juergen Gross wrote:
>> Simplify tpmfront's ring creation and removal via xenbus_setup_ring()
>> and xenbus_teardown_ring().
>>
>> Signed-off-by: Juergen Gross <jgross@...e.com>
> 
> Please add to the commit message why these provide an equivalent
> functionality.

Would you be fine with:

   Simplify tpmfront's ring creation and removal via xenbus_setup_ring()
   and xenbus_teardown_ring(), which are provided exactly for the use
   pattern as seen in this driver.


Juergen

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