[Bug 220272] Latent race condition in USB code unveiled with optimized memset_64.S

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=220272

--- Comment #24 from Marcus Seyfarth (m.seyfarth@gmail.com) ---
Created attachment 308350
  --> https://bugzilla.kernel.org/attachment.cgi?id=308350&action=edit
Trace working memset

>Have you tried using the mouse on a different computer or under a different
>operating system?

The mouse works fine under Windows 11 without any issue so far.

>Also, can you try getting a trace equivalent to the failure one here, but with
>the standard memset implementation rather than your improved one?

I've attached v3 traces from a Kernel with another optimized memset present
that works fine with the mouse.

I could also try to test the non-working memset with another Sharkoon mouse
model attached to the same USB slot.

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