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* [Qemu-devel] [PATCH for-2.8 00/18] pc: q35: x2APIC support in kvm_apic mode
@ 2016-08-05  9:45 Igor Mammedov
  2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 01/18] numa: reduce code duplication by adding helper numa_get_node_for_cpu() Igor Mammedov
                   ` (18 more replies)
  0 siblings, 19 replies; 43+ messages in thread
From: Igor Mammedov @ 2016-08-05  9:45 UTC (permalink / raw)
  To: qemu-devel; +Cc: pbonzini, ehabkost, mtosatti, rkrcmar, mst, kevin, lersek


Changes since RFC:
  - use new KVM_CAP_X2APIC_API to detect x2APIC IDs support
  - rebase on top of 2.7-rc1, since many deps were merged
  - fix etc/boot-cpus to account for -device provided cpus
  - include not yet merged _PXM fix as prereq
  - add 2.8 machine type and bump up maxcpus count since it

Series extends current CPU/kvm_apic/generic pc machine
code to support x2APIC and upto 288 VCPUs when QEMU
is used with KVM's lapic.

Due to FW_CFG_MAX_CPUS (which is actually apic_id_limit)
being limited to uint16_t, the max possible APIC ID is
limitted to 2^16 with this series but that should
be sufficient for bumping VCPUs number for quite a while.

Tested with following CLI:
 QEMU -M q35 -enable-kvm -smp 1,sockets=9,cores=32,threads=1,maxcpus=288 \
      -device qemu64-x86_64-cpu,socket-id=8,core-id=30,thread-id=0       \
      -bios x2apic_bios.bin


git gree for testing:
https://github.com/imammedo/qemu.git x2apic_v1

To play with the feature, one would also need x2apic enabled
seabios counterpart:
https://github.com/imammedo/seabios.git x2apic_v3

PS:
As kernel deps it needs 4.8 kernel on host side and it
doesn't include irq remapping/iommu fixes that Radim
has WIP branch, that should be posted separately/on top of this

But even without above kernel boots in x2APIC mode

Igor Mammedov (17):
  numa: reduce code duplication by adding helper numa_get_node_for_cpu()
  acpi: provide _PXM method for CPU devices if QEMU is started numa
    enabled
  tests: acpi: extend cphp testcase with numa check
  pc: acpi: x2APIC support for MADT table
  pc: acpi: x2APIC support for SRAT table
  acpi: cphp: support x2APIC entry in cpu._MAT
  acpi: cphp: force switch to modern cpu hotplug if APIC ID > 254
  pc: leave max apic_id_limit only in legacy cpu hotplug code
  pc: apic_common: extend APIC ID property to 32bit
  pc: apic_common: restore APIC ID to initial ID on reset
  pc: apic_common: reset APIC ID to initial ID when switching into
    x2APIC mode
  pc: kvm_apic: pass APIC ID depending on xAPIC/x2APIC mode
  pc: clarify FW_CFG_MAX_CPUS usage comment
  increase MAX_CPUMASK_BITS from 255 to 288
  pc: add 'etc/boot-cpus' fw_cfg file for machine with more than 255
    CPUs
  pc: add 2.8 machine
  pc: q35: bump max_cpus to 288

root (1):
  linux-headers: update to v4.8-rc1

 include/hw/acpi/acpi-defs.h        |  29 +++++++++
 include/hw/compat.h                |   2 +
 include/hw/i386/apic_internal.h    |   3 +-
 include/hw/i386/pc.h               |   4 ++
 include/sysemu/numa.h              |   3 +
 include/sysemu/sysemu.h            |   2 +-
 linux-headers/linux/kvm.h          |  13 ++++-
 target-i386/cpu.h                  |   1 +
 target-i386/kvm_i386.h             |   1 +
 hw/acpi/cpu.c                      |  17 ++++++
 hw/acpi/cpu_hotplug.c              |  17 ++++--
 hw/arm/virt-acpi-build.c           |   6 +-
 hw/arm/virt.c                      |   9 ++-
 hw/i386/acpi-build.c               | 117 +++++++++++++++++++++++++------------
 hw/i386/kvm/apic.c                 |  13 ++++-
 hw/i386/pc.c                       |  47 ++++++++-------
 hw/i386/pc_piix.c                  |  17 ++++--
 hw/i386/pc_q35.c                   |  14 ++++-
 hw/intc/apic_common.c              |  46 ++++++++++++++-
 hw/ppc/spapr.c                     |   2 +-
 hw/ppc/spapr_cpu_core.c            |   6 +-
 numa.c                             |  12 ++++
 target-i386/cpu.c                  |   2 +-
 target-i386/kvm.c                  |  14 +++++
 tests/acpi-test-data/pc/SRAT.cphp  | Bin 0 -> 304 bytes
 tests/acpi-test-data/q35/SRAT.cphp | Bin 0 -> 304 bytes
 tests/bios-tables-test.c           |   6 +-
 27 files changed, 307 insertions(+), 96 deletions(-)
 create mode 100644 tests/acpi-test-data/pc/SRAT.cphp
 create mode 100644 tests/acpi-test-data/q35/SRAT.cphp

-- 
2.7.4

^ permalink raw reply	[flat|nested] 43+ messages in thread

end of thread, other threads:[~2016-09-23  5:58 UTC | newest]

Thread overview: 43+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-08-05  9:45 [Qemu-devel] [PATCH for-2.8 00/18] pc: q35: x2APIC support in kvm_apic mode Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 01/18] numa: reduce code duplication by adding helper numa_get_node_for_cpu() Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 02/18] acpi: provide _PXM method for CPU devices if QEMU is started numa enabled Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 03/18] tests: acpi: extend cphp testcase with numa check Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 04/18] linux-headers: update to v4.8-rc1 Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 05/18] pc: acpi: x2APIC support for MADT table Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 06/18] pc: acpi: x2APIC support for SRAT table Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 07/18] acpi: cphp: support x2APIC entry in cpu._MAT Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 08/18] acpi: cphp: force switch to modern cpu hotplug if APIC ID > 254 Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 09/18] pc: leave max apic_id_limit only in legacy cpu hotplug code Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 10/18] pc: apic_common: extend APIC ID property to 32bit Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 11/18] pc: apic_common: restore APIC ID to initial ID on reset Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 12/18] pc: apic_common: reset APIC ID to initial ID when switching into x2APIC mode Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 13/18] pc: kvm_apic: pass APIC ID depending on xAPIC/x2APIC mode Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 14/18] pc: clarify FW_CFG_MAX_CPUS usage comment Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 15/18] increase MAX_CPUMASK_BITS from 255 to 288 Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 16/18] pc: add 'etc/boot-cpus' fw_cfg file for machine with more than 255 CPUs Igor Mammedov
2016-08-07  6:02   ` Michael S. Tsirkin
2016-08-08 11:40     ` Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 17/18] pc: add 2.8 machine Igor Mammedov
2016-08-05  9:46 ` [Qemu-devel] [PATCH for-2.8 18/18] pc: q35: bump max_cpus to 288 Igor Mammedov
2016-08-08  7:41 ` [Qemu-devel] [PATCH for-2.8 00/18] pc: q35: x2APIC support in kvm_apic mode Chao Gao
2016-08-08  8:57   ` Peter Xu
2016-08-09  4:33     ` Chao Gao
2016-08-09  6:18       ` Peter Xu
2016-08-09  6:24         ` Peter Xu
2016-08-09  6:33           ` Jan Kiszka
2016-08-09  7:09             ` Peter Xu
2016-08-09 12:41               ` Radim Krčmář
2016-08-09  8:19         ` Chao Gao
2016-08-09 12:51           ` Radim Krčmář
2016-09-22  4:34             ` Chao Gao
2016-09-23  5:26               ` Peter Xu
2016-09-23  5:58                 ` Lan Tianyu
2016-08-09  8:28     ` Igor Mammedov
2016-08-09 13:35       ` Peter Xu
2016-08-09 13:39         ` Luiz Capitulino
2016-08-10  8:51         ` Igor Mammedov
2016-08-11  5:10           ` Peter Xu
2016-08-11  8:56             ` Igor Mammedov
2016-08-08  9:18   ` Igor Mammedov
2016-08-09  3:23     ` Chao Gao
2016-08-09  8:18       ` Igor Mammedov

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