From: Julien Grall <julien@xen.org>
To: Bertrand Marquis <Bertrand.Marquis@arm.com>,
Stefano Stabellini <sstabellini@kernel.org>
Cc: Xen-devel <xen-devel@lists.xenproject.org>,
Juergen Gross <jgross@suse.com>,
Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
Luca Miccio <lucmiccio@gmail.com>,
Stefano Stabellini <stefano.stabellini@xilinx.com>,
Penny Zheng <Penny.Zheng@arm.com>
Subject: Re: [XEN PATCH v2 3/5] xen/arm: configure dom0less domain for enabling xenstore after boot
Date: Sun, 23 Jan 2022 15:06:08 +0400 [thread overview]
Message-ID: <62b2ebe5-5b15-ab0e-97ee-c1a6f5a2c2c1@xen.org> (raw)
In-Reply-To: <B458F1F7-4DF0-4919-8E16-11E889A9ABB2@arm.com>
Hi,
On 13/01/2022 14:15, Bertrand Marquis wrote:
> Hi Stefano,
>
> + Penny in CC for the question.
>
>> On 13 Jan 2022, at 00:58, Stefano Stabellini <sstabellini@kernel.org> wrote:
>>
>> From: Luca Miccio <lucmiccio@gmail.com>
>>
>> If "xen,enhanced" is enabled, then add to dom0less domains:
>>
>> - the hypervisor node in device tree
>> - the xenstore event channel
>>
>> The xenstore event channel is also used for the first notification to
>> let the guest know that xenstore has become available.
>>
>> Signed-off-by: Luca Miccio <lucmiccio@gmail.com>
>> Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
>> CC: Julien Grall <julien@xen.org>
>> CC: Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>
>> CC: Bertrand Marquis <bertrand.marquis@arm.com>
>
> Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
>
> Just one question: GUEST_GNTTAB_BASE is fixed but could it be a problem for a direct map guest in the future ?
It will be an issue. I think we can re-use the same method as we do in
dom0 (see find_gnttab_region()).
Cheers,
--
Julien Grall
next prev parent reply other threads:[~2022-01-23 11:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-13 0:58 [XEN PATCH v2 0/5] dom0less PV drivers Stefano Stabellini
2022-01-13 0:58 ` [XEN PATCH v2 1/5] xen: introduce xen,enhanced dom0less property Stefano Stabellini
2022-01-13 8:29 ` Bertrand Marquis
2022-01-14 1:21 ` Stefano Stabellini
2022-01-13 9:09 ` Luca Fancellu
2022-01-13 23:02 ` Stefano Stabellini
2022-01-13 0:58 ` [XEN PATCH v2 2/5] xen: export get_free_port Stefano Stabellini
2022-01-13 8:19 ` Jan Beulich
2022-01-14 1:20 ` Stefano Stabellini
2022-01-14 7:02 ` Jan Beulich
2022-01-23 11:02 ` Julien Grall
2022-01-25 1:10 ` Stefano Stabellini
2022-01-25 8:22 ` Jan Beulich
2022-01-25 18:02 ` Julien Grall
2022-01-25 22:49 ` Stefano Stabellini
2022-01-25 23:14 ` Julien Grall
2022-01-26 1:03 ` Stefano Stabellini
2022-01-26 7:30 ` Jan Beulich
2022-01-26 9:50 ` Julien Grall
2022-01-27 1:50 ` Stefano Stabellini
2022-01-27 9:51 ` Julien Grall
2022-01-27 12:07 ` Jan Beulich
2022-01-27 13:31 ` Julien Grall
2022-01-28 1:38 ` Stefano Stabellini
2022-01-28 7:09 ` Jan Beulich
2022-01-26 7:26 ` Jan Beulich
2022-01-13 0:58 ` [XEN PATCH v2 3/5] xen/arm: configure dom0less domain for enabling xenstore after boot Stefano Stabellini
2022-01-13 10:15 ` Bertrand Marquis
2022-01-23 11:06 ` Julien Grall [this message]
2022-01-26 1:02 ` Stefano Stabellini
2022-01-13 0:58 ` [XEN PATCH v2 4/5] xenstored: send an evtchn notification on introduce_domain Stefano Stabellini
2022-01-13 10:18 ` Bertrand Marquis
2022-01-13 0:58 ` [XEN PATCH v2 5/5] tools: add example application to initialize dom0less PV drivers Stefano Stabellini
2022-01-13 10:30 ` Bertrand Marquis
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