On Thu, Jun 13, 2024 at 06:15:59PM +0000, K Prateek Nayak wrote:

o Dropping the ARM results since I never got my hands on the ARM64
  system I used in my last testing. If I do manage to get my hands on it
  again, I'll rerun the experiments and share the results on the thread.
  To test the case where TIF_NOTIFY_IPI is not enabled for a particular
  architecture, I applied the series only until Patch 3 and tested the
  same on my x86 machine with a WARN_ON_ONCE() in do_idle() to check if
  tif_notify_ipi() ever return true and then repeated the same with
  Patch 4 applied.

Confused. ARM (32-bit) or ARM64? You patch 32-bit ARM, but you don't
touch 64-bit Arm. "ARM" on its own in the context above to me suggests
32-bit, since you refer to ARM64 later.

-- 
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