Messages in this thread |  | | From | Chaitanya Kulkarni <> | Subject | Re: [PATCH] target/file: don't zero iter before iov_iter_bvec | Date | Sat, 9 Jan 2021 20:52:15 +0000 |
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On 1/9/21 12:40, Pavel Begunkov wrote: > I expect you won't find any, but such little things can pile up > into a not-easy-to-spot overhead over time.
That is what I suspected with the resulting assembly. The commit log needs to document that there is no direct impact on the performance which can be seen with this patch, but this is nice to have micro-optimization in the long run.
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