Subject: Re: [PATCH v9 06/14] KVM: Move kvm_arch_flush_remote_tlbs_memslot() to common code

From: Sean Christopherson <[email-masked]>
Date: Tue, 15 Aug 2023 15:31:29 -0700

On Fri, Aug 11, 2023, Raghavendra Rao Ananta wrote:
> From: David Matlack <[email-masked]>
> 
> Move kvm_arch_flush_remote_tlbs_memslot() to common code and drop
> "arch_" from the name. kvm_arch_flush_remote_tlbs_memslot() is just a
> range-based TLB invalidation where the range is defined by the memslot.
> Now that kvm_flush_remote_tlbs_range() can be called from common code we
> can just use that and drop a bunch of duplicate code from the arch
> directories.
> 
> Note this adds a lockdep assertion for slots_lock being held when
> calling kvm_flush_remote_tlbs_memslot(), which was previously only
> asserted on x86. MIPS has calls to kvm_flush_remote_tlbs_memslot(),
> but they all hold the slots_lock, so the lockdep assertion continues to
> hold true.
> 
> Also drop the CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT ifdef gating
> kvm_flush_remote_tlbs_memslot(), since it is no longer necessary.
> 
> Signed-off-by: David Matlack <[email-masked]>
> Signed-off-by: Raghavendra Rao Ananta <[email-masked]>
> Reviewed-by: Gavin Shan <[email-masked]>
> Reviewed-by: Shaoqin Huang <[email-masked]>
> Acked-by: Anup Patel <[email-masked]>
> ---

Acked-by: Sean Christopherson <[email-masked]>

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