ANBZ #18640 [6.6] [Feature] : AMD SEV-SNP support - guest memory(gmem) base patches · Pull Request !4544 · anolis/cloud-kernel

bugzilla: https://bugzilla.openanolis.cn/show_bug.cgi?id=18640

AMD SEV-SNP guest private memory support patches for utilizing SEV-SNP feature.

KVM: Tweak kvm_hva_range and hva_handler_t to allow reusing for gfn ranges
KVM: Assert that mmu_invalidate_in_progress *never* goes negative
KVM: Use gfn instead of hva for mmu_notifier_retry
KVM: WARN if there are dangling MMU invalidations at VM destruction
KVM: PPC: Drop dead code related to KVM_ARCH_WANT_MMU_NOTIFIER
KVM: PPC: Return '1' unconditionally for KVM_CAP_SYNC_MMU
KVM: Introduce KVM_SET_USER_MEMORY_REGION2
KVM: Add KVM_EXIT_MEMORY_FAULT exit to report faults to userspace
KVM: Add a dedicated mmu_notifier flag for reclaiming freed memory
KVM: Drop .on_unlock() mmu_notifier hook
KVM: Introduce per-page memory attributes
mm: Add AS_UNMOVABLE to mark mapping as completely unmovable
fs: Rename anon_inode_getfile_secure() and anon_inode_getfd_secure()
KVM: Add KVM_CREATE_GUEST_MEMFD ioctl() for guest-specific backing memory
KVM: x86: "Reset" vcpu->run->exit_reason early in KVM_RUN
KVM: x86: Disallow hugepages when memory attributes are mixed
KVM: x86/mmu: Handle page fault for private memory
KVM: Drop superfluous __KVM_VCPU_MULTIPLE_ADDRESS_SPACE macro
KVM: Allow arch code to track number of memslot address spaces per VM
KVM: x86: Add support for "protected VMs" that can utilize private memory

All patches have been system tested.

类型	指派人员	状态
审查	hsiangkao Guanjun josephhz JeffleXu zhongjiang Artie Ding guobin vxuyu zelindeng baolin.wang Xuchun Shang	已完成 (0/0人)
测试	小龙已测试通过	已完成 (1/1人)

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