[PATCH v4 0/5] Stop returning struct page from guest_memfd PFN lookup

[Ackerley Tng]

v4 splits out a new patch (3) that makes use of KVM MMU invalidation logic
introduced into the RMP fault handling in patch 2 to avoid warning on a
benign case.

Other changes in v4:

+ Took Sean's version of the changelog for patch 2
+ Picked up Fuad's Reviewed-by: and Tested-by:

v3: https://patch.msgid.link/20260820-gmem-no-return-page-v3-0-3bf8f80a7b4d@google.com
v2: https://patch.msgid.link/20260818-gmem-no-return-page-v2-0-5298f42d49bb@google.com
v1: https://patch.msgid.link/20260818-gmem-no-return-page-v1-0-4f8d939efdbc@google.com

Signed-off-by: Ackerley Tng <ackerleytng at google.com>
---
Ackerley Tng (3):
      KVM: SEV: Treat unassigned RMP entry as benign race on PSMASH failure
      KVM: SEV: Check for invalidation before warning on unassigned RMP entry
      KVM: SEV: Drop page refcount early in VMSA reload

Sean Christopherson (2):
      KVM: SEV: Drop page refcount early during RMP fault handling
      KVM: guest_memfd: Stop returning struct page from PFN lookup

 arch/arm64/kvm/mmu.c     |  4 +---
 arch/arm64/kvm/nested.c  |  4 ++--
 arch/x86/kvm/mmu/mmu.c   |  2 +-
 arch/x86/kvm/svm/sev.c   | 53 ++++++++++++++++++++++++++++--------------------
 include/linux/kvm_host.h |  6 ++----
 virt/kvm/guest_memfd.c   |  9 ++------
 6 files changed, 39 insertions(+), 39 deletions(-)
---
base-commit: 76671054f9a1ff6abb976583cd8da37650acdc97
change-id: 20260818-gmem-no-return-page-614927a29f97

Best regards,
--  
Ackerley Tng <ackerleytng at google.com>