On Tue, Jan 07, 2020 at 09:33:34AM -0500, Peter Xu wrote: > 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 <bgardon@xxxxxxxxxx> > > 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. I'd also prefer that if it's x86-only that it be put in the x86_64 subdirectory and drop the arch #ifdefs. The question is why is it x86-only for now though? Will it take a lot of work to port it to other architectures? Or does it just need testing by someone with the hardware? Thanks, drew
