Messages in this thread | | | From | Lai Jiangshan <> | Subject | [PATCH V3 00/14] kvm: x86/mmu: Share the same code to invalidate each vTLB entry | Date | Thu, 16 Feb 2023 23:41:06 +0800 |
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From: Lai Jiangshan <jiangshan.ljs@antgroup.com>
FNAME(invlpg) and FNAME(sync_page) invalidate vTLB entries but in slightly different methods.
Make them use the same method and share the same code.
Patch 1: Address a subtle bug reported by Sean Christopherson. Patch 2-6: Add FNAME(sync_page) Patch 7-14: Refactor code which uses FNAME(invlpg) and finally use FNAME(sync_page).
Changed from V2: Convert the address type and fix subtle bug Check mmu->sync_page pointer before calling it Fix the defination of KVM_MMU_ROOT_XXX
[V2]: https://lore.kernel.org/lkml/20230207155735.2845-1-jiangshanlai@gmail.com/ [V1]: https://lore.kernel.org/lkml/20230105095848.6061-1-jiangshanlai@gmail.com/
Lai Jiangshan (13): KVM: x86/mmu: Use 64-bit address to invalidate to fix a subtle bug kvm: x86/mmu: Move the check in FNAME(sync_page) as kvm_sync_page_check() kvm: x86/mmu: Check mmu->sync_page pointer in kvm_sync_page_check() kvm: x86/mmu: Set mmu->sync_page as NULL for direct paging kvm: x86/mmu: Move the code out of FNAME(sync_page)'s loop body into mmu.c kvm: x86/mmu: Reduce the update to the spte in FNAME(sync_spte) kvm: x86/mmu: Use KVM_MMU_ROOT_XXX for kvm_mmu_invalidate_addr() kvm: x86/mmu: Use kvm_mmu_invalidate_addr() in kvm_mmu_invpcid_gva() kvm: x86/mmu: Use kvm_mmu_invalidate_addr() in nested_ept_invalidate_addr() kvm: x86/mmu: Allow the roots to be invalid in FNAME(invlpg) kvm: x86/mmu: Remove FNAME(invlpg) and use FNAME(sync_spte) to update vTLB instead. kvm: x86/mmu: Remove @no_dirty_log from FNAME(prefetch_gpte) kvm: x86/mmu: Skip calling mmu->sync_spte() when the spte is 0
Sean Christopherson (1): KVM: x86/mmu: Sanity check input to kvm_mmu_free_roots()
arch/x86/include/asm/kvm_host.h | 17 ++- arch/x86/kvm/mmu/mmu.c | 201 ++++++++++++++++++++---------- arch/x86/kvm/mmu/paging_tmpl.h | 209 +++++++++----------------------- arch/x86/kvm/vmx/nested.c | 5 +- arch/x86/kvm/x86.c | 4 +- 5 files changed, 205 insertions(+), 231 deletions(-)
-- 2.19.1.6.gb485710b
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