On Fri, 2026-05-15 at 12:19 -0700, Sean Christopherson wrote: > Now that Hyper-V overrides the sched_clock save/restore hooks if and only > sched_clock itself is set to the Hyper-V reference counter, drop the > invocation of the "old" save/restore callbacks. When the registration of > the PV sched_clock was done separately from overriding the save/restore > hooks, it was possible for Hyper-V to clobber the TSC save/restore > callbacks without actually switching to the Hyper-V refcounter. > > Enabling a PV sched_clock is a one-way street, i.e. the kernel will never > revert to using TSC for sched_clock, and so there is no need to invoke the > TSC save/restore hooks (and if there was, it belongs in common PV code). > > Reviewed-by: Michael Kelley <[email protected]> > Tested-by: Michael Kelley <[email protected]> > Signed-off-by: Sean Christopherson <[email protected]>
Reviewed-by: David Woodhouse <[email protected]>
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