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
next prev 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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