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Re: [PATCH for 6.2 v2 0/5] Fix Q35 ACPI PCI Hot-plug I/O issues


From: Michael S. Tsirkin
Subject: Re: [PATCH for 6.2 v2 0/5] Fix Q35 ACPI PCI Hot-plug I/O issues
Date: Fri, 12 Nov 2021 04:47:05 -0500

On Wed, Nov 10, 2021 at 04:11:35PM -0500, Igor Mammedov wrote:
> Changelog:
>   v2:
>     * simplify [1/5] and rename property to x-native-hotplug (CC stable)
>     * [4/5]
>        - rename function parameter to reflect actual action
>        - drop local 'hotplug' variable and opencode statement 
>     * test with SeaBIOS/OVMF and Linux guest,
>       Windows also works with SeaBIOS, can't install it in EFI
>       mode on current master (it's stuck when formatting disk/or
>       copying files to hdd).
> 
> Attempt [1] to fix I/O allocation with the 'reserve-io' hint on each
> pcie-root-port resulted in regression [2-3]. This patchset aims to fix
> it by addressing the root cause of the problem - the disabled PCIe
> Slot HPC bit.
> 
> [1] 'hw/pcie-root-port: Fix hotplug for PCI devices requiring IO'
> [2] https://gitlab.com/qemu-project/qemu/-/issues/641
> [3] https://bugzilla.redhat.com/show_bug.cgi?id=2006409
> 
> CC: kraxel@redhat.com

Igor are you going to post v3 with a fixup of the expected tables?
Thanks!

> Igor Mammedov (1):
>   pcie: rename 'native-hotplug' to 'x-native-hotplug'
> 
> Julia Suvorova (4):
>   hw/acpi/ich9: Add compat prop to keep HPC bit set for 6.1 machine type
>   bios-tables-test: Allow changes in DSDT ACPI tables
>   hw/i386/acpi-build: Deny control on PCIe Native Hot-plug in _OSC
>   bios-tables-test: Update golden binaries
> 
>  include/hw/acpi/ich9.h                    |   1 +
>  hw/acpi/ich9.c                            |  18 ++++++++++++++++++
>  hw/i386/acpi-build.c                      |  12 ++++++++----
>  hw/i386/pc.c                              |   2 ++
>  hw/i386/pc_q35.c                          |   9 +++++++--
>  hw/pci/pcie_port.c                        |   2 +-
>  tests/data/acpi/q35/DSDT                  | Bin 8289 -> 8289 bytes
>  tests/data/acpi/q35/DSDT.acpihmat         | Bin 9614 -> 9614 bytes
>  tests/data/acpi/q35/DSDT.bridge           | Bin 11003 -> 11003 bytes
>  tests/data/acpi/q35/DSDT.cphp             | Bin 8753 -> 8753 bytes
>  tests/data/acpi/q35/DSDT.dimmpxm          | Bin 9943 -> 9943 bytes
>  tests/data/acpi/q35/DSDT.dmar             | Bin 0 -> 8289 bytes
>  tests/data/acpi/q35/DSDT.ipmibt           | Bin 8364 -> 8364 bytes
>  tests/data/acpi/q35/DSDT.ivrs             | Bin 8306 -> 8306 bytes
>  tests/data/acpi/q35/DSDT.memhp            | Bin 9648 -> 9648 bytes
>  tests/data/acpi/q35/DSDT.mmio64           | Bin 9419 -> 9419 bytes
>  tests/data/acpi/q35/DSDT.multi-bridge     | Bin 8583 -> 8583 bytes
>  tests/data/acpi/q35/DSDT.nohpet           | Bin 8147 -> 8147 bytes
>  tests/data/acpi/q35/DSDT.nosmm            | Bin 0 -> 8289 bytes
>  tests/data/acpi/q35/DSDT.numamem          | Bin 8295 -> 8295 bytes
>  tests/data/acpi/q35/DSDT.smm-compat       | Bin 0 -> 8289 bytes
>  tests/data/acpi/q35/DSDT.smm-compat-nosmm | Bin 0 -> 8289 bytes
>  tests/data/acpi/q35/DSDT.tis.tpm12        | Bin 8894 -> 8894 bytes
>  tests/data/acpi/q35/DSDT.tis.tpm2         | Bin 8894 -> 8894 bytes
>  tests/data/acpi/q35/DSDT.xapic            | Bin 35652 -> 35652 bytes
>  25 files changed, 37 insertions(+), 7 deletions(-)
>  create mode 100644 tests/data/acpi/q35/DSDT.dmar
>  create mode 100644 tests/data/acpi/q35/DSDT.nosmm
>  create mode 100644 tests/data/acpi/q35/DSDT.smm-compat
>  create mode 100644 tests/data/acpi/q35/DSDT.smm-compat-nosmm
> 
> -- 
> 2.27.0




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