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SubjectRe: [PATCH v3 1/8] KVM: selftests: Create a demand paging test
On Mon, Dec 16, 2019 at 01:38:54PM -0800, Ben Gardon wrote:
> While userfaultfd, KVM's demand paging implementation, is not specific
> to KVM, having a benchmark for its performance will be useful for
> guiding performance improvements to KVM. As a first step towards creating
> a userfaultfd demand paging test, create a simple memory access test,
> based on dirty_log_test.
> Signed-off-by: Ben Gardon <>

It's fine to start with x86-only for this test, but imho it would be
better to mention that in cover letter, or reply to reviewer comments
on that you removed aarch64 from previous post.

Reviewed-by: Peter Xu <>

Peter Xu

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