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| author | Ben Gardon <bgardon@google.com> | 2020-10-14 11:26:51 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-10-23 03:42:11 -0400 |
| commit | 89c0fd494af3912d32ba5765b7147f36a34d1fa3 (patch) | |
| tree | 780b409777ac2cac861039b2e89913169bcf7e24 /arch/x86/include/asm/kvm_host.h | |
| parent | bb18842e21111a979e2e0e1c5d85c09646f18d51 (diff) | |
| download | lwn-89c0fd494af3912d32ba5765b7147f36a34d1fa3.tar.gz lwn-89c0fd494af3912d32ba5765b7147f36a34d1fa3.zip | |
kvm: x86/mmu: Allocate struct kvm_mmu_pages for all pages in TDP MMU
Attach struct kvm_mmu_pages to every page in the TDP MMU to track
metadata, facilitate NX reclaim, and enable inproved parallelism of MMU
operations in future patches.
Tested by running kvm-unit-tests and KVM selftests on an Intel Haswell
machine. This series introduced no new failures.
This series can be viewed in Gerrit at:
https://linux-review.googlesource.com/c/virt/kvm/kvm/+/2538
Signed-off-by: Ben Gardon <bgardon@google.com>
Message-Id: <20201014182700.2888246-12-bgardon@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 082684ce2d1b..d44858b69353 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1004,7 +1004,11 @@ struct kvm_arch { * operations. */ bool tdp_mmu_enabled; + + /* List of struct tdp_mmu_pages being used as roots */ struct list_head tdp_mmu_roots; + /* List of struct tdp_mmu_pages not being used as roots */ + struct list_head tdp_mmu_pages; }; struct kvm_vm_stat { |