Re: [PATCH v2 00/20] KVM: selftests: PPC pre-enabling

[Sean Christopherson <seanjc@google.com>]

On Wed, 02 Sep 2026 09:41:03 -0700, Sean Christopherson wrote:
> This is a big pile of cleanups and refactoring to prepare for PPC support in
> KVM selftests.  PPC has paging modes that require multi-page page tables, and
> those page tables need to be naturally aligned.  The original proposal was to
> plumb in an @align param to the page allocators[*], but I didn't love the idea
> of adding another rarely used param to the allocators.
> 
> v2:
>  - Collect tags. [Itaru, Bibo]
>  - Use 0x180000 as the min GPA for page table pages on LoongArch, instead of
>    changing every other arch to use 0x200000. [Sashiko, Bibo]
>  - Opportunistically move the vGIC LPI stress test's global "gpa_base" variable
>    into setup_memslot(). [Sashiko]
> 
> [...]

Applied to kvm-x86 selftests, thanks!

[01/20] KVM: selftests: Use MEM_REGION_PT memslot instead of '0' for s390 regions/segments
        https://github.com/kvm-x86/linux/commit/73ac07325851
[02/20] KVM: selftests: Use the common minimum GPA for page tables on LoongArch
        https://github.com/kvm-x86/linux/commit/9886413e0466
[03/20] KVM: selftests: Use vm_alloc_page_table() to allocate LoongArch page tables
        https://github.com/kvm-x86/linux/commit/befd94805906
[04/20] KVM: selftests: Rename "num" param to "nr_pages" for physical page allocators
        https://github.com/kvm-x86/linux/commit/d220e33516fa
[05/20] KVM: selftests: Use goto instead of do-while to retry finding unused physical pages
        https://github.com/kvm-x86/linux/commit/2c0555c51e7c
[06/20] KVM: selftests: Extend page allocator to support naturally aligned allocations
        https://github.com/kvm-x86/linux/commit/2429ecf7ccd5
[07/20] KVM: selftests: Make the single-page allocator APIs static inline
        https://github.com/kvm-x86/linux/commit/54e83f729385
[08/20] KVM: selftests: Use the innermost page allocator API in the memslot perf test
        https://github.com/kvm-x86/linux/commit/b8d9e6ec747a
[09/20] KVM: selftests: Use the innermost page allocator API in s390's IRQ routing test
        https://github.com/kvm-x86/linux/commit/9c0061d2e7cd
[10/20] KVM: selftests: Add a wrapper API to allocate multiple page table pages
        https://github.com/kvm-x86/linux/commit/7f477ba0878e
[11/20] KVM: selftests: Initialize vm->memslots[] with invalid memslots during creation
        https://github.com/kvm-x86/linux/commit/9e4e2281df12
[12/20] KVM: selftests: Add APIs to override memory region types with custom memslots
        https://github.com/kvm-x86/linux/commit/d69b3e714265
[13/20] KVM: selftests: Add TEST_EXTRA memory region type for "special" memslots
        https://github.com/kvm-x86/linux/commit/9f035aca8765
[14/20] KVM: selftests: Use TEST_EXTRA region in arm64's vGIC LPI stress test
        https://github.com/kvm-x86/linux/commit/5d81014d3868
[15/20] KVM: selftests: Use TEST_EXTRA region in x86's smaller MAXPHYADDR test
        https://github.com/kvm-x86/linux/commit/00c37bfc5b4e
[16/20] KVM: selftests: Use TEST_EXTRA region in set memory region test
        https://github.com/kvm-x86/linux/commit/5ed16822bc45
[17/20] KVM: selftests: Take the memory region type, not memslot, in page allocators
        https://github.com/kvm-x86/linux/commit/36a062568ea8
[18/20] KVM: selftests: Use TEST_ASSERT(), not assert(), in vm_get_mem_region()
        https://github.com/kvm-x86/linux/commit/1856064afc9d
[19/20] KVM: selftests: Automatically pick min_gpa for allocations based on region type
        https://github.com/kvm-x86/linux/commit/6c28a0d7cf12
[20/20] KVM: selftests: Add arch hook to force page tables to be naturally aligned
        https://github.com/kvm-x86/linux/commit/1e59e5a3bdbe

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