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From: dave.martin@linaro.org (Dave Martin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: KVM: Don't handle PSCI calls via SMC
Date: Thu, 2 May 2013 18:19:25 +0100	[thread overview]
Message-ID: <20130502171925.GB9879@linaro.org> (raw)
In-Reply-To: <CAEDV+gK27-vw-RhcSrQsrJUfJx_zKQXtc6R6JGVg=YDsQmWZHA@mail.gmail.com>

On Wed, May 01, 2013 at 10:59:13AM -0700, Christoffer Dall wrote:
> On Wed, May 1, 2013 at 9:49 AM, Dave P Martin <Dave.Martin@arm.com> wrote:
> > Currently, kvmtool unconditionally declares that HVC should be used
> > to call PSCI, so the function numbers in the DT tell the guest
> > nothing about the function ID namespace or calling convention for
> > SMC.
> >
> > We already assume that the guest will examine and honour the DT,
> > since there is no way it could possibly guess the KVM-specific PSCI
> > function IDs otherwise.  So let's not encourage guests to violate
> > what's specified in the DT by using SMC to make the call.
> >
> > Signed-off-by: Dave P Martin <Dave.Martin@arm.com>
> > Acked-by: Marc Zyngier <marc.zyngier@arm.com>
> 
> Thanks, applied.
> 
> -Christoffer

Thanks
---Dave

      reply	other threads:[~2013-05-02 17:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-01 16:49 [PATCH] ARM: KVM: Don't handle PSCI calls via SMC Dave P Martin
2013-05-01 17:59 ` Christoffer Dall
2013-05-02 17:19   ` Dave Martin [this message]

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