From: Avi Kivity <avi@redhat.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Alexander Graf <agraf@suse.de>,
Rusty Russell <rusty@rustcorp.com.au>,
Rusty Russell <rusty.russell@linaro.org>,
Christoffer Dall <c.dall@virtualopensystems.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
kvm-devel <kvm@vger.kernel.org>
Subject: Re: [RFC 0/5] Making KVM_GET_ONE_REG/KVM_SET_ONE_REG generic.
Date: Thu, 06 Sep 2012 18:35:54 +0300 [thread overview]
Message-ID: <5048C2DA.4050104@redhat.com> (raw)
In-Reply-To: <CAFEAcA89Q=8P3Yg8SvqYhea_ZcWiMAkw=huVT7wfPFbpNTFttg@mail.gmail.com>
On 09/06/2012 06:23 PM, Peter Maydell wrote:
> On 6 September 2012 16:16, Avi Kivity <avi@redhat.com> wrote:
>> (and the APIC, if treated as one-large-register) is 4k)
>
> ...so don't do that then. Trying to treat the whole APIC
> as a single "register" means you don't get any of the
> advantages of "does this kernel support this register?"
> etc. Is there some reason I'm not seeing why it would
> make sense to do it that way?
It's just the easiest path forward.
"one large register" is mainly useful if registers have
interdependencies. That doesn't exist in the APIC AFAIR, but it does
exist elsewhere. Another way to handle interdependencies is to defer
applying the changes until a KVM_RUN, and then evaluate them as a group.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-09-06 15:36 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-28 23:37 [RFC 0/5] Making KVM_GET_ONE_REG/KVM_SET_ONE_REG generic Rusty Russell
2012-08-28 23:45 ` [RFC 1/5] KVM: Move KVM_SET_ONE_REG/KVM_GET_ONE_REG to generic code Rusty Russell
2012-09-01 9:11 ` Avi Kivity
2012-09-01 10:18 ` Peter Maydell
2012-09-01 10:44 ` Avi Kivity
2012-08-28 23:46 ` [RFC 2/5] KVM: ARM: use KVM_SET_ONE_REG/KVM_GET_ONE_REG Rusty Russell
2012-08-29 15:10 ` Christoffer Dall
2012-08-28 23:47 ` [RFC 3/5] KVM: Add KVM_VCPU_GET_REG_LIST Rusty Russell
2012-08-29 15:13 ` Christoffer Dall
2012-08-28 23:47 ` [RFC 4/5] KVM: ARM: Use KVM_VCPU_GET_REG_LIST Rusty Russell
2012-08-29 15:14 ` Christoffer Dall
2012-08-28 23:48 ` [RFC 5/5] KVM: ARM: Access all registers via KVM_GET_ONE_REG/KVM_SET_ONE_REG Rusty Russell
2012-08-29 15:29 ` Christoffer Dall
2012-09-01 9:14 ` Avi Kivity
2012-08-29 15:36 ` Peter Maydell
2012-08-29 18:21 ` Rusty Russell
2012-09-01 9:16 ` Avi Kivity
2012-09-01 10:25 ` Peter Maydell
2012-09-01 19:40 ` Christoffer Dall
2012-09-04 13:09 ` Peter Maydell
2012-09-04 14:29 ` Christoffer Dall
2012-09-05 6:37 ` Rusty Russell
2012-08-29 18:16 ` Rusty Russell
2012-08-29 16:30 ` [RFC 0/5] Making KVM_GET_ONE_REG/KVM_SET_ONE_REG generic Peter Maydell
2012-08-29 18:39 ` Rusty Russell
2012-09-01 9:21 ` Avi Kivity
2012-09-01 12:35 ` Rusty Russell
2012-09-03 9:20 ` Avi Kivity
2012-09-03 12:33 ` Rusty Russell
2012-09-03 12:49 ` Peter Maydell
2012-09-04 11:48 ` Avi Kivity
2012-09-04 13:59 ` Alexander Graf
2012-09-06 14:44 ` Avi Kivity
2012-09-05 6:43 ` Rusty Russell
2012-09-01 12:28 ` Rusty Russell
2012-09-01 12:37 ` Rusty Russell
2012-09-04 13:31 ` Peter Maydell
2012-09-05 3:15 ` Alexander Graf
2012-09-05 6:48 ` Rusty Russell
2012-09-05 8:52 ` Peter Maydell
2012-09-06 1:44 ` Rusty Russell
2012-09-06 7:37 ` Peter Maydell
2012-09-06 14:48 ` Avi Kivity
2012-09-06 15:08 ` Alexander Graf
2012-09-06 15:16 ` Avi Kivity
2012-09-06 15:23 ` Peter Maydell
2012-09-06 15:35 ` Avi Kivity [this message]
2012-09-06 23:00 ` Rusty Russell
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