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From: Scott Wood <scottwood@freescale.com>
To: Alexander Graf <agraf@suse.de>
Cc: Mihai Caraman <mihai.caraman@freescale.com>,
	David Laight <David.Laight@ACULAB.COM>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	"kvm-ppc@vger.kernel.org" <kvm-ppc@vger.kernel.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [PATCH v2 4/4] KVM: PPC: Bookehv: Get vcpu's last instruction for emulation
Date: Fri, 2 May 2014 10:32:39 -0500	[thread overview]
Message-ID: <1399044759.15726.45.camel@snotra.buserror.net> (raw)
In-Reply-To: <53637D3B.4010205@suse.de>

On Fri, 2014-05-02 at 13:10 +0200, Alexander Graf wrote:
> On 05/02/2014 12:12 PM, David Laight wrote:
> > You also probably want the page mapped uncached - no point polluting the data
> > cache.

We can't do that without creating an architecturally illegal alias
between cacheable and non-cacheable mappings.

> Do e500 chips have a shared I/D cache somewhere?

Yes.  Only L1 is separate.

-Scott

      reply	other threads:[~2014-05-02 15:32 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-01  0:45 [PATCH v2 0/4] KVM: PPC: Read guest instruction from kvmppc_get_last_inst() Mihai Caraman
2014-05-01  0:45 ` [PATCH v2 1/4] KVM: PPC: e500mc: Revert "add load inst fixup" Mihai Caraman
2014-05-02  9:24   ` Alexander Graf
2014-05-02 23:14     ` mihai.caraman
2014-05-03 22:14       ` Alexander Graf
2014-05-06 15:48         ` mihai.caraman
2014-05-06 15:54           ` Alexander Graf
2014-05-01  0:45 ` [PATCH v2 2/4] KVM: PPC: Book3e: Add TLBSEL/TSIZE defines for MAS0/1 Mihai Caraman
2014-05-01  0:45 ` [PATCH v2 3/4] KVM: PPC: Alow kvmppc_get_last_inst() to fail Mihai Caraman
2014-05-02  9:54   ` Alexander Graf
2014-05-06 19:06     ` mihai.caraman
2014-05-08 13:31       ` Alexander Graf
2014-05-01  0:45 ` [PATCH v2 4/4] KVM: PPC: Bookehv: Get vcpu's last instruction for emulation Mihai Caraman
2014-05-02 10:01   ` Alexander Graf
2014-05-02 10:12     ` David Laight
2014-05-02 11:10       ` Alexander Graf
2014-05-02 15:32         ` Scott Wood [this message]

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