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From: Jan Beulich <jbeulich@suse.com>
To: Luca Fancellu <luca.fancellu@arm.com>,
	Stefano Stabellini <sstabellini@kernel.org>
Cc: Bertrand Marquis <bertrand.marquis@arm.com>,
	wei.chen@arm.com, Andrew Cooper <andrew.cooper3@citrix.com>,
	George Dunlap <george.dunlap@citrix.com>,
	Ian Jackson <iwj@xenproject.org>, Julien Grall <julien@xen.org>,
	Wei Liu <wl@xen.org>,
	Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
	xen-devel@lists.xenproject.org
Subject: Re: [PATCH 2/2] arm/efi: Use dom0less configuration when using EFI boot
Date: Thu, 16 Sep 2021 17:10:21 +0200	[thread overview]
Message-ID: <125df38d-ac1f-c4a3-2ef9-1ce0f03e77c6@suse.com> (raw)
In-Reply-To: <29091674-DCAE-4289-901E-9158FD029D96@arm.com>

On 16.09.2021 17:07, Luca Fancellu wrote:
> I explain here my understanding on dom0less, this feature is used to start domUs at
> Xen boot in parallel, the name is misleading but it doesn’t require dom0 to be absent.
> 
> So if you have a dom0 kernel embed in the image, it's completely fine to start it and it 
> doesn’t have to be skipped.
> 
> Here the possible user cases:
> 1) start only dom0 [dom0 modules on xen.cfg or embedded in Xen image]
> 2) start only domUs, true dom0less [no dom0 modules on xen.cfg or embedded in Xen image, domUs on DT]
> 3) start dom0 and domUs [(dom0 modules on xen.cfg or embedded in Xen image) and domUs on DT]

If that's the intention - fine. Stefano?

Jan



  reply	other threads:[~2021-09-16 15:10 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-15 14:26 [PATCH 0/2] arm/efi: Add dom0less support to UEFI boot Luca Fancellu
2021-09-15 14:26 ` [PATCH 1/2] xen/efi: Restrict check for DT boot modules on EFI boot Luca Fancellu
2021-09-16  0:16   ` Stefano Stabellini
2021-09-16  6:45     ` Jan Beulich
2021-09-16 11:54     ` Luca Fancellu
2021-09-15 14:26 ` [PATCH 2/2] arm/efi: Use dom0less configuration when using " Luca Fancellu
2021-09-16  1:16   ` Stefano Stabellini
2021-09-16  6:50     ` Jan Beulich
2021-09-16 11:15       ` Luca Fancellu
2021-09-16 12:03     ` Luca Fancellu
2021-09-18  0:06       ` Stefano Stabellini
2021-09-16  8:46   ` Jan Beulich
2021-09-16 11:28     ` Luca Fancellu
2021-09-16 12:15       ` Jan Beulich
2021-09-16 15:07         ` Luca Fancellu
2021-09-16 15:10           ` Jan Beulich [this message]
2021-09-16 20:16             ` Stefano Stabellini
2021-09-17  6:44               ` Jan Beulich
2021-09-17 11:11               ` Luca Fancellu
2021-09-17 22:33                 ` Stefano Stabellini
2021-09-21  9:38                   ` Luca Fancellu
2021-09-21 21:34                     ` Stefano Stabellini
2021-09-22  9:03                       ` Luca Fancellu

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