From: Ian Campbell <Ian.Campbell@citrix.com>
To: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
"arnd@arndb.de" <arnd@arndb.de>,
"marc.zyngier@arm.com" <marc.zyngier@arm.com>,
"will.deacon@arm.com" <will.deacon@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"rob.herring@calxeda.com" <rob.herring@calxeda.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [Xen-devel] [PATCH v6 1/4] arm: introduce psci_smp_ops
Date: Thu, 25 Apr 2013 08:48:26 +0100 [thread overview]
Message-ID: <1366876106.20256.399.camel@zakaz.uk.xensource.com> (raw)
In-Reply-To: <alpine.LFD.2.03.1304221151200.17375@syhkavp.arg>
On Mon, 2013-04-22 at 17:07 +0100, Nicolas Pitre wrote:
> Sure there are ways to screw up Xen support from within this hook, but
> that can be achieved in many other places. Will Xen take over every
> possible hooks in the kernel to prevent that from happening?
In the majority of the other cases we would consider it a bug in Xen for
not exposing these bits of the underlying hardware correctly to dom0,
however the SMP stuff is a bit of a special case for the reasons I
explained earlier which is why we are worrying about it more.
> So please let's not cry wolf needlessly.
Yes, perhaps those worries unfounded at this stage and we should just
run with it and reference this discussion if it turns out to not work
out well in practice.
Ian.
next prev parent reply other threads:[~2013-04-25 7:48 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-05 13:10 [PATCH 0/4 v6] arm: introduce psci_smp_ops and use them on Xen Stefano Stabellini
2013-04-05 13:11 ` [PATCH v6 1/4] arm: introduce psci_smp_ops Stefano Stabellini
2013-04-18 16:13 ` Russell King - ARM Linux
2013-04-18 16:20 ` Stefano Stabellini
2013-04-18 16:35 ` Nicolas Pitre
2013-04-18 16:49 ` Stefano Stabellini
2013-04-18 17:40 ` Nicolas Pitre
2013-04-22 14:23 ` Russell King - ARM Linux
2013-04-22 14:20 ` Russell King - ARM Linux
2013-04-18 16:40 ` Nicolas Pitre
2013-04-18 17:01 ` Stefano Stabellini
2013-04-18 17:38 ` Nicolas Pitre
2013-04-19 9:40 ` Stefano Stabellini
2013-04-19 15:47 ` Nicolas Pitre
2013-04-19 16:16 ` [Xen-devel] " Ian Campbell
2013-04-19 16:33 ` Nicolas Pitre
2013-04-19 17:06 ` Stefano Stabellini
2013-04-22 15:21 ` Ian Campbell
2013-04-22 16:07 ` Nicolas Pitre
2013-04-24 18:13 ` Stefano Stabellini
2013-04-25 7:48 ` Ian Campbell [this message]
2013-04-19 9:52 ` Ian Campbell
2013-04-22 14:06 ` Russell King - ARM Linux
2013-04-24 18:25 ` Stefano Stabellini
2013-04-05 13:11 ` [PATCH v6 2/4] arm: prefer psci_smp_ops over mdesc->smp Stefano Stabellini
2013-04-05 16:15 ` Nicolas Pitre
2013-04-05 13:11 ` [PATCH v6 3/4] ARM: Enable selection of SMP operations at boot time Stefano Stabellini
2013-04-09 20:03 ` Nicolas Pitre
2013-04-05 13:11 ` [PATCH v6 4/4] xen/arm: introduce xen_early_init, use PSCI on xen Stefano Stabellini
2013-04-05 16:22 ` Nicolas Pitre
2013-04-05 17:16 ` Stefano Stabellini
2013-04-05 17:34 ` Stefano Stabellini
2013-04-05 19:41 ` Nicolas Pitre
2013-04-05 19:36 ` Nicolas Pitre
2013-04-05 20:50 ` Rob Herring
2013-04-05 21:21 ` Nicolas Pitre
2013-04-05 23:20 ` Stefano Stabellini
2013-04-06 0:15 ` Nicolas Pitre
2013-04-05 23:15 ` Stefano Stabellini
2013-04-05 16:01 ` [PATCH 0/4 v6] arm: introduce psci_smp_ops and use them on Xen Stefano Stabellini
2013-04-08 11:05 ` Stefano Stabellini
2013-04-11 8:25 ` Olof Johansson
2013-04-11 20:16 ` Rob Herring
2013-04-12 8:57 ` Will Deacon
2013-04-12 10:58 ` Stefano Stabellini
2013-04-12 14:13 ` Rob Herring
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