[RESEND PATCH v5 03/11] KVM: Allow range-based TLB invalidation from common code

Gavin Shan gshan at redhat.com
Tue Jul 4 16:54:36 PDT 2023



On 6/22/23 03:49, Raghavendra Rao Ananta wrote:
> From: David Matlack <dmatlack at google.com>
> 
> 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 at google.com>
> Signed-off-by: Raghavendra Rao Ananta <rananta at google.com>
> ---
>   arch/x86/include/asm/kvm_host.h |  3 +++
>   arch/x86/kvm/mmu/mmu.c          |  9 ++++-----
>   arch/x86/kvm/mmu/mmu_internal.h |  3 ---
>   include/linux/kvm_host.h        |  9 +++++++++
>   virt/kvm/kvm_main.c             | 13 +++++++++++++
>   5 files changed, 29 insertions(+), 8 deletions(-)
> 

Reviewed-by: Gavin Shan <gshan at redhat.com>

Thanks,
Gavin




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