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KVM: add option to advance tscdeadline hrtimer expiration (v6)

Marcelo Tosatti kvm 1 version In review

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Versions newest first

  1. v1 Latest3 patches 4 repliesIn review

v2 from the cover letter

- fix email address.

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/3KVM: x86: add method to test PIR bitmap vectorarch/x86/include/asm/kvm_host.h arch/x86/kvm/vmx.c+15 -00 replies
2/3KVM: x86: add option to advance tscdeadline hrtimer expirationarch/x86/kvm/lapic.c arch/x86/kvm/lapic.h arch/x86/kvm/x86.c +1 more+69 -14 replies
3/3KVM: x86: add tracepoint to wait_lapic_expirearch/x86/kvm/lapic.c arch/x86/kvm/trace.h+21 -00 replies

Reviews trailers per patch

1 of 3 patches has a Reviewed-by or Acked-by.

PatchRadim Krčmář
1/3
2/3R-b
3/3

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

Read the v1 thread

Cover letter [patch 0/3] KVM: add option to advance tscdeadline hrtimer expiration (v6)

See patches for details.

v2:
- fix email address.

v3:
- use module parameter for configuration of value (Paolo/Radim)

v4:
- fix check for tscdeadline mode while waiting for expiration (Paolo)
- use proper delay function (Radim)
- fix LVTT tscdeadline mode check in hrtimer interrupt handler (Radim)
- add comment regarding PPR and APICv (Paolo)

v5:
- use tscdeadline expiration and guest tsc difference in tracepoint (Paolo)

v6:
- Remove unnecessary delay loop (Radim)
- Disable feature if __delay is not TSC based (Paolo)