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| author | Gavin Shan <gshan@redhat.com> | 2022-11-10 11:49:11 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-11-10 14:11:58 +0100 |
| commit | 9cb1096f8590bc590326087bea65db932b53c3b5 (patch) | |
| tree | ab6bd51ad3e1efc6f32a69a53e603c96a44d68ad /arch/arm64/include | |
| parent | KVM: Support dirty ring in conjunction with bitmap (diff) | |
| download | linux-9cb1096f8590bc590326087bea65db932b53c3b5.tar.xz linux-9cb1096f8590bc590326087bea65db932b53c3b5.zip | |
KVM: arm64: Enable ring-based dirty memory tracking
Enable ring-based dirty memory tracking on ARM64:
- Enable CONFIG_HAVE_KVM_DIRTY_RING_ACQ_REL.
- Enable CONFIG_NEED_KVM_DIRTY_RING_WITH_BITMAP.
- Set KVM_DIRTY_LOG_PAGE_OFFSET for the ring buffer's physical page
offset.
- Add ARM64 specific kvm_arch_allow_write_without_running_vcpu() to
keep the site of saving vgic/its tables out of the no-running-vcpu
radar.
Signed-off-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221110104914.31280-5-gshan@redhat.com
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/uapi/asm/kvm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h index 316917b98707..a7a857f1784d 100644 --- a/arch/arm64/include/uapi/asm/kvm.h +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -43,6 +43,7 @@ #define __KVM_HAVE_VCPU_EVENTS #define KVM_COALESCED_MMIO_PAGE_OFFSET 1 +#define KVM_DIRTY_LOG_PAGE_OFFSET 64 #define KVM_REG_SIZE(id) \ (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) |