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From: Stefano Stabellini <sstabellini@kernel.org>
To: George Dunlap <George.Dunlap@eu.citrix.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
	Andrii Anisov <andrii_anisov@epam.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>,
	Dario Faggioli <dfaggioli@suse.com>,
	Julien Grall <julien.grall@arm.com>,
	Jan Beulich <jbeulich@suse.com>,
	Xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH v7 12/12] xen: clarify the security-support status of Kconfig options on ARM
Date: Wed, 25 Jul 2018 17:40:49 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.10.1807251738120.20701@sstabellini-ThinkPad-X260> (raw)
In-Reply-To: <CAFLBxZakhFWmGMo65cq5f0E_b737dn6t=kFrzPQ59-HuQEXerg@mail.gmail.com>

On Wed, 25 Jul 2018, George Dunlap wrote:
> On Wed, Jul 25, 2018 at 10:50 AM, Julien Grall <julien.grall@arm.com> wrote:
> >> Anything you can select in menuconfig without passing
> >> XEN_CONFIG_EXPERT=y is security supported.  Anything hidden behind
> >> XEN_CONFIG_EXPERT is security supported in its default configuration.
> >
> >
> > Could you clarify what you mean by security supported here? For instance,
> > "livepatch" is selectable on Arm with XEN_CONFIG_EXPERT=y but it is marked
> > as "experimental" in SUPPORT.MD.
> 
> I think Andy means something like, "supported when no admin action is
> taken to activate it".  Livepatch doesn't just happen by itself; you
> have to take an action to trigger the behavior, so it's not supported.

I am OK following the same model on ARM too. Do we all agree?

If so, I can just remove this patch from the series, because the
previous patch already clarifies the role of EXPERT.

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  reply	other threads:[~2018-07-26  0:40 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-06 23:12 [PATCH v7 00/12] arm: more kconfig configurability and small default configs Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 01/12] arm: remove the ARM HDLCD driver Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 02/12] arm: make it possible to disable HAS_GICV3 Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 03/12] arm: rename HAS_GICV3 to GICV3 Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 04/12] Make MEM_ACCESS configurable Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 05/12] make it possible to enable/disable UART drivers Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 06/12] arm: make it possible to disable the SMMU driver Stefano Stabellini
2018-07-06 23:13 ` [PATCH v7 07/12] arm: add a tiny kconfig configuration Stefano Stabellini
2018-07-23 11:17   ` Julien Grall
2018-07-06 23:13 ` [PATCH v7 08/12] arm: add ALL, QEMU, Rcar3 and MPSoC configs Stefano Stabellini
2018-07-23 11:24   ` Julien Grall
2018-07-24 22:08     ` Stefano Stabellini
2018-07-24 13:27   ` Andrii Anisov
2018-07-26 22:46     ` Stefano Stabellini
2018-07-27 10:30       ` Andrii Anisov
2018-07-27 11:20         ` Julien Grall
2018-07-27 11:21         ` Andrii Anisov
2018-07-27 11:27           ` Julien Grall
2018-07-27 11:34             ` Andrii Anisov
2018-07-27 11:39               ` Julien Grall
2018-07-27 17:11         ` Stefano Stabellini
2018-07-27 18:23           ` Andrii Anisov
2018-07-27 21:35             ` Stefano Stabellini
2018-07-27 22:09               ` Julien Grall
2018-07-27 23:30                 ` Stefano Stabellini
2018-07-30 10:34                   ` Julien Grall
2018-07-30 17:39                     ` Stefano Stabellini
2018-07-30 16:11               ` Andrii Anisov
2018-07-06 23:14 ` [PATCH v7 09/12] xen: add per-platform defaults for NR_CPUS Stefano Stabellini
2018-07-23 11:26   ` Julien Grall
2018-07-06 23:14 ` [PATCH v7 10/12] xen: add cloc target Stefano Stabellini
2018-07-06 23:14 ` [PATCH v7 11/12] xen: specify support for EXPERT and DEBUG Kconfig options Stefano Stabellini
2018-07-16 12:50   ` Jan Beulich
2018-07-06 23:14 ` [PATCH v7 12/12] xen: clarify the security-support status of Kconfig options on ARM Stefano Stabellini
2018-07-23 11:37   ` Julien Grall
2018-07-24 22:31     ` Stefano Stabellini
2018-07-25  8:46       ` Julien Grall
2018-07-25  8:59         ` Andrew Cooper
2018-07-25  9:50           ` Julien Grall
2018-07-25 11:09             ` George Dunlap
2018-07-26  0:40               ` Stefano Stabellini [this message]
2018-07-25  9:11         ` Jan Beulich

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