Subject mm/hmm: Add mmap lock-drop support for userfaultfd-backed mappings
Author skinsburskii@gmail.com
Date 2026-07-06 17:55:00 +0000 UTC
Version
Cc akpm@linux-foundation.org corbet@lwn.net david@kernel.org decui@microsoft.com haiyangz@microsoft.com jgg@ziepe.ca kys@microsoft.com leon@kernel.org liam.howlett@oracle.com linux-doc@vger.kernel.org linux-hyperv@vger.kernel.org linux-kernel@vger.kernel.org linux-kselftest@vger.kernel.org linux-mm@kvack.org ljs@kernel.org longli@microsoft.com mhocko@suse.com rppt@kernel.org shuah@kernel.org skhan@linuxfoundation.org skinsburskii@gmail.com surenb@google.com vbabka@kernel.org wei.liu@kernel.org
Patches (4)
Name Content [All]
[PATCH v6 1/4] mm/hmm: move page fault handling out of walk callbacks [Body]
[PATCH v6 2/4] mm/hmm: add hmm_range_fault_unlocked() for mmap lock-drop support [Body]
[PATCH v6 3/4] selftests/mm: add userfaultfd test for HMM unlocked path [Body]
[PATCH v6 4/4] mshv: Use hmm_range_fault_unlocked() for region faults [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2026-07-06
Passed
ID (for dev) d53c48ed-61de-4ee0-afc1-d9dceb7078bf
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 820d5dfede0cd55dcbc89ce96fcfbb11b7c457ba [Config] passed [Log]
[KASAN] Boot test: Base 820d5dfede0cd55dcbc89ce96fcfbb11b7c457ba [Config] passed [Log]
[KASAN] Build Patched 820d5dfede0cd55dcbc89ce96fcfbb11b7c457ba [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 820d5dfede0cd55dcbc89ce96fcfbb11b7c457ba [Config] [patched] passed [Log]
[KASAN] Fuzz 820d5dfede0cd55dcbc89ce96fcfbb11b7c457ba [Config] 820d5dfede0cd55dcbc89ce96fcfbb11b7c457ba [Config] [patched] passed [Log] [Artifacts]