From: "Cédric Le Goater" <clg@kaod.org>
To: Paul Mackerras <paulus@ozlabs.org>,
David Gibson <david@gibson.dropbear.id.au>
Cc: linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,
kvm-ppc@vger.kernel.org
Subject: Re: [PATCH v2 03/16] KVM: PPC: Book3S HV: XIVE: introduce a new capability KVM_CAP_PPC_IRQ_XIVE
Date: Tue, 12 Mar 2019 15:10:58 +0100 [thread overview]
Message-ID: <c574ab63-32db-5404-f201-ab9f9becc311@kaod.org> (raw)
In-Reply-To: <20190225045931.GB20501@blackberry>
On 2/25/19 5:59 AM, Paul Mackerras wrote:
> On Mon, Feb 25, 2019 at 11:35:27AM +1100, David Gibson wrote:
>> On Fri, Feb 22, 2019 at 12:28:27PM +0100, Cédric Le Goater wrote:
>>> + xc->xive = xive;
>>> + xc->vcpu = vcpu;
>>> + xc->server_num = cpu;
>>> + xc->vp_id = xive->vp_base + cpu;
>>
>> Hrm. This ties the internal VP id to the userspace chosen server
>> number, which isn't ideal. It puts a constraint on those server
>> numbers that you wouldn't otherwise have.
>
> We should probably do the same as the xics-on-xive code, which is to
> put the server number through kvmppc_pack_vcpu_id(), which is a
> folding function that maps the QEMU vcpu id (which is the server
> number) down to the range 0..KVM_MAX_VCPUS-1, and works for the
> allocation patterns used in the various vSMT modes.
yes. I will see how it goes.
Thanks,
C.
next prev parent reply other threads:[~2019-03-12 14:28 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-22 11:28 [PATCH v2 00/16] KVM: PPC: Book3S HV: add XIVE native exploitation mode Cédric Le Goater
2019-02-22 11:28 ` [PATCH v2 01/16] powerpc/xive: add OPAL extensions for the XIVE native exploitation support Cédric Le Goater
2019-02-24 23:42 ` David Gibson
2019-02-25 3:50 ` Michael Ellerman
2019-02-25 10:11 ` Cédric Le Goater
2019-02-26 4:21 ` David Gibson
2019-03-12 18:25 ` Cédric Le Goater
2019-02-22 11:28 ` [PATCH v2 02/16] KVM: PPC: Book3S HV: add a new KVM device for the XIVE native exploitation mode Cédric Le Goater
2019-02-25 0:08 ` David Gibson
2019-03-12 11:14 ` Cédric Le Goater
2019-02-22 11:28 ` [PATCH v2 03/16] KVM: PPC: Book3S HV: XIVE: introduce a new capability KVM_CAP_PPC_IRQ_XIVE Cédric Le Goater
2019-02-25 0:35 ` David Gibson
2019-02-25 4:59 ` Paul Mackerras
2019-03-12 14:10 ` Cédric Le Goater [this message]
2019-03-12 14:03 ` Cédric Le Goater
2019-03-13 4:05 ` David Gibson
2019-02-25 4:35 ` Paul Mackerras
2019-03-13 8:34 ` Cédric Le Goater
2019-03-14 2:29 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 04/16] KVM: PPC: Book3S HV: XIVE: add a control to initialize a source Cédric Le Goater
2019-02-25 2:10 ` David Gibson
2019-02-26 4:25 ` Paul Mackerras
2019-02-26 23:20 ` David Gibson
2019-03-12 15:19 ` Cédric Le Goater
2019-03-14 2:15 ` David Gibson
2019-02-25 5:30 ` Paul Mackerras
2019-02-22 11:28 ` [PATCH v2 05/16] KVM: PPC: Book3S HV: XIVE: add a control to configure " Cédric Le Goater
2019-02-25 2:21 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 06/16] KVM: PPC: Book3S HV: XIVE: add controls for the EQ configuration Cédric Le Goater
2019-02-25 2:39 ` David Gibson
2019-03-12 17:00 ` Cédric Le Goater
2019-03-13 4:03 ` David Gibson
2019-03-13 8:46 ` Cédric Le Goater
2019-03-14 3:29 ` David Gibson
2019-02-26 5:24 ` Paul Mackerras
2019-03-13 9:40 ` Cédric Le Goater
2019-03-14 2:32 ` David Gibson
2019-03-14 7:11 ` Cédric Le Goater
2019-03-15 0:29 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 07/16] KVM: PPC: Book3S HV: XIVE: add a global reset control Cédric Le Goater
2019-02-25 2:43 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 08/16] KVM: PPC: Book3S HV: XIVE: add a control to sync the sources Cédric Le Goater
2019-02-25 2:45 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 09/16] KVM: PPC: Book3S HV: XIVE: add a control to dirty the XIVE EQ pages Cédric Le Goater
2019-02-25 2:53 ` David Gibson
2019-03-13 11:48 ` Cédric Le Goater
2019-03-14 2:33 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 10/16] KVM: PPC: Book3S HV: XIVE: add get/set accessors for the VP XIVE state Cédric Le Goater
2019-02-25 3:31 ` David Gibson
2019-03-13 13:19 ` Cédric Le Goater
2019-03-14 3:09 ` David Gibson
2019-03-14 7:08 ` Cédric Le Goater
2019-02-22 11:28 ` [PATCH v2 11/16] KVM: introduce a 'mmap' method for KVM devices Cédric Le Goater
2019-02-25 3:33 ` David Gibson
2019-02-25 10:57 ` Cédric Le Goater
2019-02-26 12:52 ` Paolo Bonzini
2019-02-26 23:22 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 12/16] KVM: PPC: Book3S HV: XIVE: add a TIMA mapping Cédric Le Goater
2019-02-25 3:42 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 13/16] KVM: PPC: Book3S HV: XIVE: add a mapping for the source ESB pages Cédric Le Goater
2019-02-25 3:47 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 14/16] KVM: PPC: Book3S HV: XIVE: add passthrough support Cédric Le Goater
2019-02-25 4:13 ` David Gibson
2019-02-22 11:28 ` [PATCH v2 15/16] KVM: introduce a KVM_DESTROY_DEVICE ioctl Cédric Le Goater
2019-02-25 4:15 ` David Gibson
2019-03-13 8:02 ` Cédric Le Goater
2019-03-15 17:57 ` Paolo Bonzini
2019-02-22 11:28 ` [PATCH v2 16/16] KVM: PPC: Book3S HV: XIVE: clear the vCPU interrupt presenters Cédric Le Goater
2019-02-25 4:18 ` David Gibson
2019-03-13 8:17 ` Cédric Le Goater
2019-03-14 2:26 ` David Gibson
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