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From: "Radim Krčmář" <rkrcmar@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Andrew Honig <ahonig@google.com>,
	linux-kernel@vger.kernel.org, kvm <kvm@vger.kernel.org>,
	"Lan, Tianyu" <tianyu.lan@intel.com>,
	Igor Mammedov <imammedo@redhat.com>,
	Jan Kiszka <jan.kiszka@web.de>, Peter Xu <peterx@redhat.com>
Subject: Re: [PATCH v1 03/11] KVM: x86: dynamic kvm_apic_map
Date: Fri, 1 Jul 2016 17:35:07 +0200	[thread overview]
Message-ID: <20160701153503.GF27840@potion> (raw)
In-Reply-To: <a0bf56bd-48dd-a469-ca62-e36ec3ed72d8@redhat.com>

2016-07-01 17:06+0200, Paolo Bonzini:
> On 01/07/2016 16:38, Radim Krčmář wrote:
>                                                                   On the
> other hand, I suspect you need to bump KVM_MAX_VCPU_ID beyond its
> current default setting (which is equal to KVM_MAX_VCPUS), up to 511 or
> 1023.

Yes, thanks for pointing it out.  APIC ID 1023 is reasonably low and I'm
pretty sure that it cannot be surpassed with any topology of 288 VCPUs.
(The limit should be 543, with 257 cores per package.)

  parent reply	other threads:[~2016-07-01 15:35 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-30 20:54 [PATCH v1 00/11] KVM: x86: break the xAPIC barrier Radim Krčmář
2016-06-30 20:54 ` [PATCH v1 01/11] KVM: x86: bump KVM_SOFT_MAX_VCPUS to 240 Radim Krčmář
2016-07-01  8:42   ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 02/11] KVM: x86: add kvm_apic_map_get_dest_lapic Radim Krčmář
2016-07-01  7:57   ` Paolo Bonzini
2016-07-01 12:39     ` Radim Krčmář
2016-06-30 20:54 ` [PATCH v1 03/11] KVM: x86: dynamic kvm_apic_map Radim Krčmář
2016-06-30 22:15   ` Andrew Honig
2016-07-01  8:42     ` Paolo Bonzini
2016-07-01 12:44       ` Radim Krčmář
2016-07-01 14:03         ` Paolo Bonzini
2016-07-01 14:38           ` Radim Krčmář
2016-07-01 15:06             ` Paolo Bonzini
2016-07-01 15:12               ` Paolo Bonzini
2016-07-01 15:43                 ` Radim Krčmář
2016-07-01 16:38                   ` Paolo Bonzini
2016-07-01 15:35               ` Radim Krčmář [this message]
2016-07-01  7:33   ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 04/11] KVM: x86: use u16 for logical VCPU mask in lapic Radim Krčmář
2016-07-01  7:56   ` Paolo Bonzini
2016-07-01 12:48     ` Radim Krčmář
2016-07-01 14:04       ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 05/11] KVM: x86: use generic function for MSI parsing Radim Krčmář
2016-07-01  8:42   ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 06/11] KVM: x86: use hardware-compatible format for APIC ID register Radim Krčmář
2016-07-01  8:33   ` Paolo Bonzini
2016-07-01 13:11     ` Radim Krčmář
2016-07-01 14:12       ` Paolo Bonzini
2016-07-01 14:54         ` Radim Krčmář
2016-07-01 15:07           ` Paolo Bonzini
2016-07-01 15:53             ` Radim Krčmář
2016-07-01 16:37               ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 07/11] KVM: VMX: optimize APIC ID read with APICv Radim Krčmář
2016-07-01  8:42   ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 08/11] KVM: x86: directly call recalculate_apic_map on lapic restore Radim Krčmář
2016-07-01  8:43   ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 09/11] KVM: x86: reset lapic base in kvm_lapic_reset Radim Krčmář
2016-07-01  8:43   ` Paolo Bonzini
2016-06-30 20:54 ` [PATCH v1 10/11] KVM: x86: add KVM_CAP_X2APIC_API Radim Krčmář
2016-07-01  8:24   ` Paolo Bonzini
2016-07-01 13:25     ` Radim Krčmář
2016-07-01 18:09   ` David Matlack
2016-07-01 18:31     ` Radim Krčmář
2016-06-30 20:54 ` [PATCH v1 11/11] KVM: x86: bump MAX_VCPUS to 288 Radim Krčmář
2016-07-01  8:43   ` Paolo Bonzini

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