On Mon, Dec 12, 2022 at 2:03 PM Ben Gardon <bgar...@google.com> wrote:
>
> On Thu, Dec 8, 2022 at 11:40 AM David Matlack <dmatl...@google.com> wrote:
> >
> > 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 slot_lock being held when calling
> > kvm_flush_remote_tlbs_memslot(), which was previously only asserted on
> > x86.
>
> Besides the one lockdep assertion, is there any benefit to having this
> wrapper function? Open-coding "kvm_flush_remote_tlbs_range(kvm,
> memslot->base_gfn, memslot->npages);" is only a slightly longer line
> and, IMO, just as readable. I'm happy to see this cleanup, but it
> might be just as easy to drop the function.

The wrapper makes lines shorter, adds a lockdep assertion, and is just
as readable. What's the reason to drop it?
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