From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Avi Kivity <avi@redhat.com>
Cc: David Gibson <dwg@au1.ibm.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org, Alexander Graf <agraf@suse.de>,
Paul Mackerras <paulus@au1.ibm.com>,
kvm-ppc@vger.kernel.org
Subject: Re: Reset problem vs. MMIO emulation, hypercalls, etc...
Date: Wed, 08 Aug 2012 19:27:12 +1000 [thread overview]
Message-ID: <1344418032.2698.40.camel@pasglop> (raw)
In-Reply-To: <502228C2.1080605@redhat.com>
On Wed, 2012-08-08 at 11:52 +0300, Avi Kivity wrote:
> > So for now I'm just doing my own version of CREATE_IRQCHIP to create it
> > and KVM_INTERRUPT to trigger the various interrupts. None of the mapping
> > stuff (which we really don't need).
>
> You mean KVM_IRQ_LINE. KVM_INTERRUPT is a synchronous vcpu ioctl.
Yes, sorry, brain and fingers not agreeing :-)
> > That's a bit of a problem vs. some of the code qemu-side such as in
> > virtio-pci which does seem to be written around the model exposed by the
> > x86 stuff and relies on doing such mappings so I think we'll have to
> > butcher some of that.
>
> Can you elaborate? virtio-pci is pci-centric, there should be nothing
> x86 specific there.
The kvm_irqchip_add_msi_route & co is a problem, it more/less dives into
the x86/ia64 specific routing stuff at a generic level, I'll have to
hook things up differently in qemu I suspect.
Not a huge deal, we can sort it out.
Cheers,
Ben.
next prev parent reply other threads:[~2012-08-08 9:27 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-01 3:17 Reset problem vs. MMIO emulation, hypercalls, etc Benjamin Herrenschmidt
2012-08-02 10:46 ` Alexander Graf
2012-08-02 12:22 ` Benjamin Herrenschmidt
2012-08-02 12:35 ` Avi Kivity
2012-08-02 12:59 ` Alexander Graf
2012-08-02 13:05 ` Avi Kivity
2012-08-02 20:29 ` Benjamin Herrenschmidt
2012-08-05 8:55 ` Avi Kivity
2012-08-05 20:45 ` Benjamin Herrenschmidt
2012-08-02 20:20 ` Benjamin Herrenschmidt
2012-08-03 17:41 ` Marcelo Tosatti
2012-08-03 18:05 ` Marcelo Tosatti
2012-08-03 22:32 ` Benjamin Herrenschmidt
2012-08-05 9:00 ` Avi Kivity
2012-08-06 20:25 ` Scott Wood
2012-08-07 8:44 ` Avi Kivity
2012-08-06 20:54 ` Benjamin Herrenschmidt
2012-08-03 22:30 ` Benjamin Herrenschmidt
2012-08-06 3:13 ` David Gibson
2012-08-06 20:57 ` Benjamin Herrenschmidt
2012-08-07 1:32 ` David Gibson
2012-08-07 8:46 ` Avi Kivity
2012-08-07 12:14 ` David Gibson
2012-08-07 13:13 ` Avi Kivity
2012-08-07 21:09 ` Benjamin Herrenschmidt
2012-08-08 8:52 ` Avi Kivity
2012-08-08 9:27 ` Benjamin Herrenschmidt [this message]
2012-08-08 0:49 ` David Gibson
2012-08-08 8:58 ` Avi Kivity
2012-08-08 11:59 ` David Gibson
2012-08-08 12:42 ` Avi Kivity
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