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From: Alexander Gryanko <xpahos@gmail.com>
To: qemu-devel@nongnu.org
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Zhao Liu" <zhao1.liu@intel.com>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Ani Sinha" <anisinha@redhat.com>,
	"Alexander Gryanko" <xpahos@gmail.com>
Subject: [PATCH 0/3] hw/smbios: Add dedicated handle range for Type 8 tables
Date: Sat, 23 May 2026 06:41:55 +0300	[thread overview]
Message-ID: <20260523034158.57487-1-xpahos@gmail.com> (raw)

This is a continuation of the work originally proposed by Felix Wu [1],
which changed the SMBIOS Type 8 handle base unconditionally. As Igor
Mammedov pointed out in review, an unconditional change would break
live migration between hosts running different QEMU versions.
This series addresses the review feedback by:
- Using machine-type versioning (pc-*-11.2) to opt in to the new
  behavior, preserving T0_BASE for older machine types
- Adding a PCMachineClass field to control the setting per machine type
- Adding tests for both new and compat machine versions
[1] https://lists.gnu.org/archive/html/qemu-devel/2024-01/msg03208.html

Alexander Gryanko (3):
  hw/i386/pc: Introduce 11.2 machine type for SMBIOS type 8 base
    migration
  hw/smbios: Add dedicated handle range for Type 8 tables
  tests/qtest: Add SMBIOS Type 8 handle base tests

 hw/core/machine.c              |  3 ++
 hw/i386/fw_cfg.c               |  1 +
 hw/i386/pc.c                   |  3 ++
 hw/i386/pc_piix.c              | 16 +++++++-
 hw/i386/pc_q35.c               | 16 +++++++-
 hw/smbios/smbios.c             | 10 ++++-
 include/hw/core/boards.h       |  3 ++
 include/hw/firmware/smbios.h   |  1 +
 include/hw/i386/pc.h           |  4 ++
 tests/qtest/bios-tables-test.c | 70 +++++++++++++++++++++++++++++++++-
 10 files changed, 121 insertions(+), 6 deletions(-)

-- 
2.39.5 (Apple Git-154)



             reply	other threads:[~2026-05-23 12:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-23  3:41 Alexander Gryanko [this message]
2026-05-23  3:41 ` [PATCH 1/3] hw/i386/pc: Introduce 11.2 machine type for SMBIOS type 8 base migration Alexander Gryanko
2026-05-23  3:41 ` [PATCH 2/3] hw/smbios: Add dedicated handle range for Type 8 tables Alexander Gryanko
2026-05-23  3:41 ` [PATCH 3/3] tests/qtest: Add SMBIOS Type 8 handle base tests Alexander Gryanko

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