diff options
| author | David Matlack <dmatlack@google.com> | 2023-08-11 07:51:18 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2023-08-17 11:40:35 +0300 |
| commit | d4788996051e3c07fadc6d9b214073fcf78810a8 (patch) | |
| tree | 34cfea459cc2c2d89b5b3c5e35f4d438668898b9 /arch/x86/include/asm/kvm_host.h | |
| parent | eddd21481011008792f4e647a5244f6e15970abc (diff) | |
| download | linux-d4788996051e3c07fadc6d9b214073fcf78810a8.tar.xz | |
KVM: Allow range-based TLB invalidation from common code
Make kvm_flush_remote_tlbs_range() visible in common code and create a
default implementation that just invalidates the whole TLB.
This paves the way for several future features/cleanups:
- Introduction of range-based TLBI on ARM.
- Eliminating kvm_arch_flush_remote_tlbs_memslot()
- Moving the KVM/x86 TDP MMU to common code.
No functional change intended.
Signed-off-by: David Matlack <dmatlack@google.com>
Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Acked-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230811045127.3308641-6-rananta@google.com
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index a2d3cfc2eb75..b547d17c58f6 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1804,6 +1804,8 @@ static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm) return -ENOTSUPP; } +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS_RANGE + #define kvm_arch_pmi_in_guest(vcpu) \ ((vcpu) && (vcpu)->arch.handling_intr_from_guest) |