Merge tag 'pull-request-2025-10-16' of https://gitlab.com/thuth/qemu into staging

Merge tag 'pull-request-2025-10-16' of https://gitlab.com/thuth/qemu into staging

* Improve cache handling for the msys2 CI and the functional asset cache
* Clean ups for some minor issues in functional tests
* Don't ignore errors of address_space_rw in s390x MMU code

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# gpg: Signature made Thu 16 Oct 2025 09:25:16 AM PDT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [unknown]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [unknown]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2025-10-16' of https://gitlab.com/thuth/qemu:
  target/s390x/mmu_helper: Do not ignore address_space_rw() errors
  target/s390x/mmu_helper: Simplify s390_cpu_virt_mem_rw() logic
  tests/functional: ensure GDB client is stopped on error
  tests/functional: remove use of getLogger in reverse debuging
  tests/functional/alpha: Remove superfluous fetch() line from the clipper test
  tests: Evict stale files in the functional download cache after a while
  tests/functional: Set current time stamp of assets when using them
  gitlab: purge msys pacman cache
  tests/functional/aarch64: Drop some sbsaref_alpine tests
  python/qemu: Replace some remaining "avocados" with "functional tests"

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>