On Thu, 6 Mar 2025 02:33:37 +0000 Alireza Sanaee via <qemu-devel@nongnu.org> wrote:
> OS like Linux is using PPTT processor node's identical implementation > flag [1] to infer whether the whole system or a certain CPU cluster is > homogeneous or not [2]. QEMU currently only support building > homogeneous system, set the flag to indicate the fact. Build a root > node in PPTT for indicates the identical implementation which is > needed for a multi-socket system. Update the related PPTT tables as > well. > > Since we'll update the test PPTT table data, upgrade the revision of > PPTT we build to revision 3 by handy. > > [1] ACPI 6.5 Table 5.158: Processor Structure Flags > [2] > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/acpi/pptt.c?h=v6.11-rc1#n810 > > Yicong Yang (5): > tests: virt: Allow changes to PPTT test table > hw/acpi/aml-build: Set identical implementation flag for PPTT > processor nodes > hw/acpi/aml-build: Build a root node in the PPTT table > hw/acpi/aml-build: Update the revision of PPTT table > tests: virt: Update expected ACPI tables for virt test > > hw/acpi/aml-build.c | 26 > ++++++++++++++---- tests/data/acpi/aarch64/virt/PPTT | > Bin 76 -> 96 bytes .../data/acpi/aarch64/virt/PPTT.acpihmatvirt | > Bin 156 -> 176 bytes tests/data/acpi/aarch64/virt/PPTT.topology | > Bin 336 -> 356 bytes 4 files changed, 21 insertions(+), 5 deletions(-) > Hi everyone, v1 -> v2: I just rebased this patchset which initially was posted in Sep 2024. Thanks, Alireza
