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From: Ashish Kalra <Ashish.Kalra@amd.com>
To: qemu-devel@nongnu.org
Cc: pbonzini@redhat.com, thomas.lendacky@amd.com,
	brijesh.singh@amd.com, ehabkost@redhat.com, mst@redhat.com,
	richard.henderson@linaro.org, jejb@linux.ibm.com, tobin@ibm.com,
	dovmurik@linux.vnet.ibm.com, frankeh@us.ibm.com,
	dgilbert@redhat.com, kvm@vger.kernel.org
Subject: [RFC PATCH 03/13] hw/i386: Mark mirror vcpus in possible_cpus
Date: Mon, 16 Aug 2021 13:27:22 +0000	[thread overview]
Message-ID: <e35c4836b2b58db61a577e3bd5a642646f90f043.1629118207.git.ashish.kalra@amd.com> (raw)
In-Reply-To: <cover.1629118207.git.ashish.kalra@amd.com>

From: Dov Murik <dovmurik@linux.vnet.ibm.com>

Mark the last mirror_vcpus vcpus in the machine state's possible_cpus as
mirror.

Signed-off-by: Dov Murik <dovmurik@linux.vnet.ibm.com>
Co-developed-by: Ashish Kalra <ashish.kalra@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
---
 hw/i386/x86.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index 00448ed55a..a0103cb0aa 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -448,6 +448,7 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
 {
     X86MachineState *x86ms = X86_MACHINE(ms);
     unsigned int max_cpus = ms->smp.max_cpus;
+    unsigned int mirror_vcpus_start_at = max_cpus - ms->smp.mirror_vcpus;
     X86CPUTopoInfo topo_info;
     int i;
 
@@ -475,6 +476,7 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms)
             x86_cpu_apic_id_from_index(x86ms, i);
         x86_topo_ids_from_apicid(ms->possible_cpus->cpus[i].arch_id,
                                  &topo_info, &topo_ids);
+        ms->possible_cpus->cpus[i].mirror_vcpu = i >= mirror_vcpus_start_at;
         ms->possible_cpus->cpus[i].props.has_socket_id = true;
         ms->possible_cpus->cpus[i].props.socket_id = topo_ids.pkg_id;
         if (ms->smp.dies > 1) {
-- 
2.17.1


  parent reply	other threads:[~2021-08-16 13:30 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-16 13:25 [RFC PATCH 00/13] Add support for Mirror VM Ashish Kalra
2021-08-16 13:26 ` [RFC PATCH 01/13] machine: Add mirrorvcpus=N suboption to -smp Ashish Kalra
2021-08-16 21:23   ` Eric Blake
2021-08-16 13:27 ` [RFC PATCH 02/13] hw/boards: Add mirror_vcpu flag to CPUArchId Ashish Kalra
2021-08-16 13:27 ` Ashish Kalra [this message]
2021-08-16 13:27 ` [RFC PATCH 04/13] hw/acpi: Don't include mirror vcpus in ACPI tables Ashish Kalra
2021-08-16 13:28 ` [RFC PATCH 05/13] cpu: Add boolean mirror_vcpu field to CPUState Ashish Kalra
2021-08-16 13:28 ` [RFC PATCH 06/13] hw/i386: Set CPUState.mirror_vcpu=true for mirror vcpus Ashish Kalra
2021-08-16 13:29 ` [RFC PATCH 07/13] kvm: Add Mirror VM ioctl and enable cap interfaces Ashish Kalra
2021-08-16 13:29 ` [RFC PATCH 08/13] kvm: Add Mirror VM support Ashish Kalra
2021-08-16 13:29 ` [RFC PATCH 09/13] kvm: create Mirror VM and share primary VM's encryption context Ashish Kalra
2021-08-16 13:30 ` [RFC PATCH 10/13] softmmu/cpu: Skip mirror vcpu's for pause, resume and synchronization Ashish Kalra
2021-08-16 13:30 ` [RFC PATCH 11/13] kvm/apic: Disable in-kernel APIC support for mirror vcpu's Ashish Kalra
2021-08-16 13:31 ` [RFC PATCH 12/13] hw/acpi: disable modern CPU hotplug interface " Ashish Kalra
2021-08-16 13:31 ` [RFC PATCH 13/13] hw/i386/pc: reduce fw_cfg boot cpu count taking into account " Ashish Kalra
2021-08-16 14:01 ` [RFC PATCH 00/13] Add support for Mirror VM Claudio Fontana
2021-08-16 14:15 ` Paolo Bonzini
2021-08-16 14:23   ` Daniel P. Berrangé
2021-08-16 15:00     ` Paolo Bonzini
2021-08-16 15:16       ` Daniel P. Berrangé
2021-08-16 15:35         ` Paolo Bonzini
2021-08-16 14:44   ` Ashish Kalra
2021-08-16 14:58     ` Paolo Bonzini
2021-08-16 15:13       ` Ashish Kalra
2021-08-16 15:38         ` Paolo Bonzini
2021-08-16 15:48           ` Dr. David Alan Gilbert
2021-08-18 10:31           ` Ashish Kalra
2021-08-18 11:25             ` James Bottomley
2021-08-18 15:31               ` Dr. David Alan Gilbert
2021-08-18 15:35                 ` James Bottomley
2021-08-18 15:43                   ` Dr. David Alan Gilbert
2021-08-18 16:28                     ` James Bottomley
2021-08-18 17:30                       ` Dr. David Alan Gilbert
2021-08-18 18:51                         ` James Bottomley
2021-08-16 17:23   ` Dr. David Alan Gilbert
2021-08-16 23:53 ` Steve Rutherford
2021-08-17  7:05   ` Michael S. Tsirkin
2021-08-17  8:38   ` Dr. David Alan Gilbert
2021-08-17 14:08     ` Ashish Kalra
2021-08-17 16:32   ` Paolo Bonzini
2021-08-17 20:50     ` Tobin Feldman-Fitzthum
2021-08-17 22:04       ` Steve Rutherford
2021-08-18 15:32         ` Tobin Feldman-Fitzthum
2021-08-18 19:04           ` Dr. David Alan Gilbert
2021-08-18 21:42             ` Tobin Feldman-Fitzthum
2021-08-19  8:22               ` Dr. David Alan Gilbert
2021-08-19 14:06                 ` James Bottomley
2021-08-19 14:28                   ` Dr. David Alan Gilbert
2021-08-19 22:10                     ` James Bottomley
2021-08-23 12:26                       ` Dr. David Alan Gilbert
2021-08-23 16:28                         ` Tobin Feldman-Fitzthum
2021-08-19 14:07                 ` Tobin Feldman-Fitzthum
2021-08-17 23:20       ` Paolo Bonzini
2021-08-17 21:54     ` Steve Rutherford
2021-08-17 22:37       ` Paolo Bonzini
2021-08-17 22:57         ` James Bottomley
2021-08-17 23:10           ` Steve Rutherford
2021-08-18  2:49             ` James Bottomley
2021-08-18 14:06         ` Ashish Kalra
2021-08-18 17:07           ` Ashish Kalra

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