From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Paul Mackerras <paulus@samba.org>,
Christoffer Dall <c.dall@virtualopensystems.com>,
Alexander Graf <agraf@suse.de>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
kvm-ppc <kvm-ppc@vger.kernel.org>
Subject: Re: [kvmarm] [RFC PATCH 0/3] KVM: ARM: Get rid of hardcoded VGIC addresses
Date: Mon, 29 Oct 2012 09:19:20 +1100 [thread overview]
Message-ID: <1351462760.12271.115.camel@pasglop> (raw)
In-Reply-To: <CAFEAcA_2Tr3_BXKH12OniQ2XoErGDpZTucMt6aRyZ70KLfD7zg@mail.gmail.com>
On Sat, 2012-10-27 at 11:01 +0100, Peter Maydell wrote:
> This is more or less how ARM has done it (though our specific encoding
> of interrupt numbers is different, obviously).
>
> If I were designing an interface for this kind of thing from scratch
> I'd probably want it to look like "create a specific irqchip and give
> me some kind of handle to it" and then have an interface for "assert
> interrupt line X on that irqchip". Lacking that, a plausible encoding
> scheme on the global interrupt numbers works OK given that you know
> there aren't going to be that many irqchips in practice...
Agreed. It feels like the whole business with routing is not useful for
either of us and just adds confusion...
Note: I'll be in KVM forum next week (hopefully) so if necessary (and if
you guys are there too) we can have a "live" discussion.
Cheers,
Ben.
next prev parent reply other threads:[~2012-10-28 22:19 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-14 0:04 [RFC PATCH 0/3] KVM: ARM: Get rid of hardcoded VGIC addresses Christoffer Dall
2012-10-14 0:04 ` [RFC PATCH 1/3] KVM: ARM: Introduce KVM_INIT_IRQCHIP ioctl Christoffer Dall
2012-10-17 20:21 ` Peter Maydell
2012-10-17 20:23 ` Christoffer Dall
2012-10-17 20:31 ` Peter Maydell
2012-10-17 20:39 ` Christoffer Dall
2012-10-18 12:20 ` Avi Kivity
2012-10-19 18:42 ` Christoffer Dall
2012-10-14 0:04 ` [RFC PATCH 2/3] KVM: ARM: Introduce KVM_SET_DEVICE_ADDRESS ioctl Christoffer Dall
2012-10-17 20:29 ` Peter Maydell
2012-10-19 18:46 ` Christoffer Dall
2012-10-19 20:24 ` Peter Maydell
2012-10-19 20:27 ` Christoffer Dall
2012-10-19 20:33 ` Christoffer Dall
2012-10-14 0:04 ` [RFC PATCH 3/3] KVM: ARM: Split KVM_CREATE_IRQCHIP and KVM_INIT_IRQCHIP Christoffer Dall
2012-10-18 11:15 ` Peter Maydell
2012-10-17 20:38 ` [kvmarm] [RFC PATCH 0/3] KVM: ARM: Get rid of hardcoded VGIC addresses Alexander Graf
2012-10-17 20:39 ` Christoffer Dall
2012-10-17 21:19 ` Benjamin Herrenschmidt
2012-10-17 22:10 ` Paul Mackerras
2012-10-17 23:58 ` Benjamin Herrenschmidt
2012-10-18 13:48 ` Christoffer Dall
2012-10-18 13:49 ` Alexander Graf
2012-10-18 15:25 ` Avi Kivity
2012-10-23 10:48 ` Jan Kiszka
2012-10-23 10:52 ` Peter Maydell
2012-10-23 11:00 ` Jan Kiszka
2012-10-23 11:04 ` Peter Maydell
2012-10-23 11:08 ` Jan Kiszka
2012-10-24 0:50 ` Paul Mackerras
2012-10-25 11:57 ` Jan Kiszka
2012-10-25 16:14 ` Paolo Bonzini
2012-10-25 16:32 ` Jan Kiszka
2012-10-25 18:27 ` Paolo Bonzini
2012-10-25 19:40 ` Benjamin Herrenschmidt
2012-10-26 9:58 ` Paolo Bonzini
2012-10-26 10:09 ` Peter Maydell
2012-10-26 10:15 ` Paolo Bonzini
2012-10-26 10:22 ` Jan Kiszka
2012-10-26 10:44 ` Benjamin Herrenschmidt
2012-10-26 11:00 ` Jan Kiszka
2012-10-26 11:09 ` Benjamin Herrenschmidt
2012-10-26 11:57 ` Paolo Bonzini
2012-10-26 12:08 ` Peter Maydell
2012-10-26 12:41 ` Jan Kiszka
2012-10-26 20:21 ` Benjamin Herrenschmidt
2012-10-26 11:17 ` Peter Maydell
2012-10-26 11:39 ` Benjamin Herrenschmidt
2012-10-26 12:39 ` Jan Kiszka
2012-10-26 20:45 ` Benjamin Herrenschmidt
2012-10-26 22:03 ` Benjamin Herrenschmidt
2012-10-27 8:06 ` Jan Kiszka
2012-10-27 10:01 ` Peter Maydell
2012-10-28 22:19 ` Benjamin Herrenschmidt [this message]
2012-10-26 10:37 ` Benjamin Herrenschmidt
2012-10-26 10:40 ` Paolo Bonzini
2012-10-26 10:47 ` Benjamin Herrenschmidt
2012-10-26 11:47 ` Paolo Bonzini
2012-10-25 19:39 ` Benjamin Herrenschmidt
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