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From: Paul Durrant <xadimgnik@gmail.com>
To: Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Cc: David Woodhouse <dwmw@amazon.co.uk>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Julien Grall <julien@xen.org>,
	David Woodhouse <dwmw2@infradead.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Eduardo Habkost <eduardo@habkost.net>,
	Anthony Perard <anthony.perard@citrix.com>,
	"open list:X86 Xen CPUs" <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v2 3/6] xen: xenstore: add possibility to preserve owner
Date: Wed, 22 Nov 2023 17:07:27 +0000	[thread overview]
Message-ID: <c9b15b1c-e86b-45b4-b348-8c9edde5e60d@xen.org> (raw)
In-Reply-To: <20231121221023.419901-4-volodymyr_babchuk@epam.com>

On 21/11/2023 22:10, Volodymyr Babchuk wrote:
> Add option to preserve owner when creating an entry in Xen Store. This
> may be needed in cases when Qemu is working as device model in a

*may* be needed?

I don't undertstand why this patch is necessary and the commit comment 
isn't really helping me.

> domain that is Domain-0, e.g. in driver domain.
> 
> "owner" parameter for qemu_xen_xs_create() function can have special
> value XS_PRESERVE_OWNER, which will make specific implementation to
> get original owner of an entry and pass it back to
> set_permissions() call.
> 
> Please note, that XenStore inherits permissions, so even if entry is
> newly created by, it already has the owner set to match owner of entry
> at previous level.
> 
> Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>



  reply	other threads:[~2023-11-22 17:08 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-21 22:10 [PATCH v2 0/6] xen-arm: add support for virtio-pci Volodymyr Babchuk
2023-11-21 22:10 ` [PATCH v2 1/6] hw/xen: Set XenBackendInstance in the XenDevice before realizing it Volodymyr Babchuk
2023-11-22 15:54   ` Paul Durrant
2023-11-22 17:05   ` Paul Durrant
2023-11-22 22:44     ` Woodhouse, David via
2023-11-22 23:49       ` Volodymyr Babchuk
2023-11-22 23:55         ` Woodhouse, David via
2023-11-22 22:56     ` Volodymyr Babchuk
2023-11-22 23:04       ` David Woodhouse
2023-11-23  9:29         ` Paul Durrant
2023-11-21 22:10 ` [PATCH v2 3/6] xen: xenstore: add possibility to preserve owner Volodymyr Babchuk
2023-11-22 17:07   ` Paul Durrant [this message]
2023-11-22 22:28     ` Stefano Stabellini
2023-11-22 23:01   ` David Woodhouse
2023-11-22 23:03     ` Volodymyr Babchuk
2023-11-23  1:19     ` Volodymyr Babchuk
2023-11-21 22:10 ` [PATCH v2 2/6] xen: backends: touch some XenStore nodes only if device Volodymyr Babchuk
2023-11-22 11:07   ` Philippe Mathieu-Daudé
2023-11-22 22:49     ` Volodymyr Babchuk
2023-11-22 23:19       ` David Woodhouse
2023-11-22 17:03   ` Paul Durrant
2023-11-22 22:46     ` Woodhouse, David via
2023-11-22 22:50     ` Volodymyr Babchuk
2023-11-21 22:10 ` [PATCH v2 4/6] xen_pvdev: Do not assume Dom0 when creating a directory Volodymyr Babchuk
2023-11-22 17:11   ` Paul Durrant
2023-11-22 22:29     ` Stefano Stabellini
2023-11-22 23:03       ` David Woodhouse
2023-11-22 23:09         ` Stefano Stabellini
2023-11-22 23:11           ` David Woodhouse
2023-11-22 23:20             ` Stefano Stabellini
2023-11-22 23:46               ` Volodymyr Babchuk
2023-11-23  0:07                 ` Volodymyr Babchuk
2023-11-23  9:28                   ` Paul Durrant
2023-11-23 10:45                     ` David Woodhouse
2023-11-23 11:43                       ` Volodymyr Babchuk
2023-11-23 11:51                         ` David Woodhouse
2023-11-23 11:54                     ` Volodymyr Babchuk
2023-11-23 11:57                       ` David Woodhouse
2023-11-23 12:17                         ` Volodymyr Babchuk
2023-11-23 12:27                           ` David Woodhouse
2023-11-23 12:54                             ` Paul Durrant
2023-11-24  0:24                             ` Volodymyr Babchuk
2023-11-24 12:56                   ` Alex Bennée
2023-11-21 22:10 ` [PATCH v2 6/6] xen_arm: Add virtual PCIe host bridge support Volodymyr Babchuk
2023-11-22 22:39   ` Stefano Stabellini
2023-11-22 23:44     ` Vikram Garhwal
2023-11-23  0:11       ` Volodymyr Babchuk
2023-11-24 12:30   ` Igor Mammedov
2023-11-24 15:47     ` Volodymyr Babchuk
2023-11-21 22:10 ` [PATCH v2 5/6] xen_arm: Set mc->max_cpus to GUEST_MAX_VCPUS in xen_arm_init() Volodymyr Babchuk
2023-11-22 11:10   ` Philippe Mathieu-Daudé
2023-11-24 12:04   ` Igor Mammedov

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