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make KVM PV use apic through APIs

Michael S. Tsirkin kvm lkml 1 version Applied

Status from this message: Applied to next, thanks.

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Versions newest first

  1. v1 Latest3 patches 3 repliesApplied

Patches in v1 Applied

#Subject and filesSizeRepliesApplied
1/3apic: add apic_set_eoi_write for PV usearch/x86/include/asm/apic.h arch/x86/kernel/apic/apic.c+20 -01 reply
2/3kvm: switch to apic_set_eoi_write, apic_writearch/x86/kernel/kvm.c+3 -100 replies
3/3Revert "apic: fix kvm build on UP without IOAPIC"arch/x86/include/asm/apic.h+0 -50 replies

Reviews trailers per patch

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

PatchIngo Molnar
1/3A-b
2/3
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] make KVM PV use apic through APIs

KVM PV EOI optimization overrides eoi_write apic op with its own version. at Ingo's suggestion, add an API for this and switch kvm to use it, to avoid meddling with core x86 apic driver data structures directly.

Ingo, could you please review and let us know whether this matches what you had in mind?

This patchset is on top of kvm/next since it touches some
of the code modified in that tree (and patch 3 reverts a commit in that tree). Could x86 some maintainers pls ACK merging this patchset through the kvm tree?

Michael S. Tsirkin (3):
apic: add apic_set_eoi_write for PV use
kvm: switch to apic_set_eoi_write, apic_write Revert "apic: fix kvm build on UP without IOAPIC"

 arch/x86/include/asm/apic.h |  8 +++-----
 arch/x86/kernel/apic/apic.c | 17 +++++++++++++++++
 arch/x86/kernel/kvm.c       | 13 +++----------
 3 files changed, 23 insertions(+), 15 deletions(-)
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