From: Scott Wood <scottwood@freescale.com>
To: Alexander Graf <agraf@suse.de>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
Christoffer Dall <c.dall@virtualopensystems.com>,
"kvm@vger.kernel.org list" <kvm@vger.kernel.org>,
"<linux-arm-kernel@lists.infradead.org>"
<linux-arm-kernel@lists.infradead.org>,
"<kvmarm@lists.cs.columbia.edu>" <kvmarm@lists.cs.columbia.edu>
Subject: Re: [kvmarm] [PATCH v5.1 0/2] KVM: ARM: Rename KVM_SET_DEVICE_ADDRESS
Date: Fri, 11 Jan 2013 14:11:18 -0600 [thread overview]
Message-ID: <1357935078.5475.10@snotra> (raw)
In-Reply-To: <A6843D28-E2AF-4EFF-8C9B-232B804C01E7@suse.de> (from agraf@suse.de on Fri Jan 11 09:42:55 2013)
On 01/11/2013 09:42:55 AM, Alexander Graf wrote:
>
> On 11.01.2013, at 02:10, Scott Wood wrote:
>
> > struct kvm_device_attr {
> > __u32 device;
>
> This needs some semantic specification. Is device a constant value?
> Is it the return value of CREATE_IRQCHIP?
As proposed, it's up to the architecture to provide that
specification. In theory this could be used for things other than IRQ
chips. We could still say that device creation functions return a
valid device ID (if the device has any attributes), as well as have
other architecture-specific ways of describing device IDs (static
enumeration). Or we could have non-architecture-specific static
enumeration. Or just require that all devices be explicitly created by
something that returns the ID.
Do you have a preferred approach?
-Scott
next prev parent reply other threads:[~2013-01-11 20:11 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-08 18:41 [PATCH v5 00/12] KVM/ARM vGIC support Christoffer Dall
2013-01-08 18:41 ` [PATCH v5 01/12] KVM: ARM: Introduce KVM_SET_DEVICE_ADDRESS ioctl Christoffer Dall
2013-01-08 22:36 ` Scott Wood
2013-01-08 23:17 ` Christoffer Dall
2013-01-08 23:29 ` Scott Wood
2013-01-08 23:49 ` Christoffer Dall
2013-01-09 0:12 ` Scott Wood
2013-01-09 10:02 ` Alexander Graf
2013-01-09 14:48 ` Peter Maydell
2013-01-09 14:58 ` Alexander Graf
2013-01-09 15:11 ` Peter Maydell
2013-01-09 15:17 ` Christoffer Dall
2013-01-09 15:20 ` Alexander Graf
2013-01-09 15:22 ` Marc Zyngier
2013-01-09 15:28 ` Alexander Graf
2013-01-09 15:50 ` Marc Zyngier
2013-01-09 15:56 ` Alexander Graf
2013-01-09 16:12 ` Marc Zyngier
2013-01-09 16:29 ` Christoffer Dall
2013-01-08 18:41 ` [PATCH v5 02/12] ARM: KVM: Keep track of currently running vcpus Christoffer Dall
2013-01-08 18:41 ` [PATCH v5 03/12] ARM: gic: define GICH offsets for VGIC support Christoffer Dall
2013-01-08 18:41 ` [PATCH v5 04/12] ARM: KVM: Initial VGIC infrastructure code Christoffer Dall
2013-01-14 15:31 ` Will Deacon
2013-01-14 21:08 ` Christoffer Dall
2013-01-14 21:28 ` [kvmarm] " Alexander Graf
2013-01-14 22:50 ` Will Deacon
2013-01-15 10:33 ` Marc Zyngier
2013-01-08 18:41 ` [PATCH v5 05/12] ARM: KVM: VGIC accept vcpu and dist base addresses from user space Christoffer Dall
2013-01-08 18:42 ` [PATCH v5 06/12] ARM: KVM: VGIC distributor handling Christoffer Dall
2013-01-14 15:39 ` Will Deacon
2013-01-14 21:55 ` Christoffer Dall
2013-01-08 18:42 ` [PATCH v5 07/12] ARM: KVM: VGIC virtual CPU interface management Christoffer Dall
2013-01-14 15:42 ` Will Deacon
2013-01-14 22:02 ` Christoffer Dall
2013-01-15 11:00 ` Marc Zyngier
2013-01-15 14:31 ` Christoffer Dall
2013-01-16 15:29 ` Christoffer Dall
2013-01-16 16:09 ` Marc Zyngier
2013-01-16 16:13 ` Christoffer Dall
2013-01-16 16:17 ` [kvmarm] " Marc Zyngier
2013-01-08 18:42 ` [PATCH v5 08/12] ARM: KVM: vgic: retire queued, disabled interrupts Christoffer Dall
2013-01-08 18:42 ` [PATCH v5 09/12] ARM: KVM: VGIC interrupt injection Christoffer Dall
2013-01-08 18:42 ` [PATCH v5 10/12] ARM: KVM: VGIC control interface world switch Christoffer Dall
2013-01-08 18:42 ` [PATCH v5 11/12] ARM: KVM: VGIC initialisation code Christoffer Dall
2013-01-08 18:42 ` [PATCH v5 12/12] ARM: KVM: Add VGIC configuration option Christoffer Dall
2013-01-09 13:28 ` Sergei Shtylyov
2013-01-09 16:42 ` Christoffer Dall
2013-01-09 16:26 ` [PATCH v5.1 0/2] KVM: ARM: Rename KVM_SET_DEVICE_ADDRESS Christoffer Dall
2013-01-09 16:26 ` [PATCH v5.1 1/2] KVM: ARM: Introduce KVM_SET_DEVICE_ADDRESS ioctl Christoffer Dall
2013-01-09 16:26 ` [PATCH v5.1 2/2] ARM: KVM: VGIC accept vcpu and dist base addresses from user space Christoffer Dall
2013-01-09 16:48 ` [kvmarm] [PATCH v5.1 0/2] KVM: ARM: Rename KVM_SET_DEVICE_ADDRESS Alexander Graf
2013-01-09 19:50 ` Scott Wood
2013-01-09 20:12 ` Alexander Graf
2013-01-09 21:15 ` Scott Wood
2013-01-09 21:37 ` Alexander Graf
2013-01-09 22:10 ` Scott Wood
2013-01-09 22:26 ` Christoffer Dall
2013-01-09 22:34 ` Alexander Graf
2013-01-10 11:15 ` Alexander Graf
2013-01-10 11:18 ` Gleb Natapov
2013-01-09 22:30 ` Alexander Graf
2013-01-10 10:17 ` Peter Maydell
2013-01-10 11:06 ` Alexander Graf
2013-01-10 11:53 ` Marc Zyngier
2013-01-10 11:57 ` Alexander Graf
2013-01-10 22:28 ` Marcelo Tosatti
2013-01-10 22:40 ` Scott Wood
2013-01-11 0:35 ` Marcelo Tosatti
2013-01-11 1:10 ` Scott Wood
2013-01-11 7:26 ` Christoffer Dall
2013-01-11 18:39 ` Marcelo Tosatti
2013-01-11 19:11 ` Alexander Graf
2013-01-11 19:18 ` Marcelo Tosatti
2013-01-11 19:33 ` Christoffer Dall
2013-01-11 15:42 ` Alexander Graf
2013-01-11 20:11 ` Scott Wood [this message]
2013-01-11 20:26 ` Alexander Graf
2013-01-11 19:17 ` Alexander Graf
2013-01-10 22:21 ` Marcelo Tosatti
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