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authorMarc Zyngier <maz@kernel.org>2022-12-05 14:38:24 +0000
committerMarc Zyngier <maz@kernel.org>2022-12-05 14:38:24 +0000
commit382b5b87a97d0958d0ee7d1f2a56df3c6e431770 (patch)
tree2499fab7d5a7ed825b302f42010b777b06241ec5 /mm/usercopy.c
parentcfa72993d13302fe958a1a58234a1a8efa72a5b8 (diff)
parenta4baf8d2639f24d4d31983ff67c01878e7a5393f (diff)
downloadlinux-382b5b87a97d0958d0ee7d1f2a56df3c6e431770.tar.bz2
Merge branch kvm-arm64/mte-map-shared into kvmarm-master/next
* kvm-arm64/mte-map-shared: : . : Update the MTE support to allow the VMM to use shared mappings : to back the memslots exposed to MTE-enabled guests. : : Patches courtesy of Catalin Marinas and Peter Collingbourne. : . : Fix a number of issues with MTE, such as races on the tags : being initialised vs the PG_mte_tagged flag as well as the : lack of support for VM_SHARED when KVM is involved. : : Patches from Catalin Marinas and Peter Collingbourne. : . Documentation: document the ABI changes for KVM_CAP_ARM_MTE KVM: arm64: permit all VM_MTE_ALLOWED mappings with MTE enabled KVM: arm64: unify the tests for VMAs in memslots when MTE is enabled arm64: mte: Lock a page for MTE tag initialisation mm: Add PG_arch_3 page flag KVM: arm64: Simplify the sanitise_mte_tags() logic arm64: mte: Fix/clarify the PG_mte_tagged semantics mm: Do not enable PG_arch_2 for all 64-bit architectures Signed-off-by: Marc Zyngier <maz@kernel.org>
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