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Groups > linux.kernel > #1618330

[PATCH 0/6] KVM: towards maintainable kvm_make_all_cpus_request()

From Radim Krčmář <rkrcmar@redhat.com>
Newsgroups linux.kernel
Subject [PATCH 0/6] KVM: towards maintainable kvm_make_all_cpus_request()
Date 2017-04-06 22:30 +0200
Message-ID <ttmcx-5J2-7@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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[1/6] makes a significant change for s390 and might be too dangerous
because of that.
I'm ok with returning 0 from s390's kvm_arch_vcpu_should_kick() until we
sort out architecture-specific kicks.

Adding kvm_vcpu_wake_up() in [6/6] is the reason why the other patches
were included.

Compile tested on s390, lightly tested and checked that kvm_*_request()
uses are being optimized on x86.


Radim Krčmář (6):
  KVM: fix guest_mode optimization in kvm_make_all_cpus_request()
  KVM: use kvm_{test,clear}_request instead of {test,clear}_bit
  KVM: x86: use kvm_make_request instead of set_bit
  KVM: remove #ifndef CONFIG_S390 around kvm_vcpu_wake_up
  KVM: mark requests that do not need a wakeup
  KVM: perform a wake_up in kvm_make_all_cpus_request

 arch/arm/include/asm/kvm_host.h   |  2 +-
 arch/arm64/include/asm/kvm_host.h |  2 +-
 arch/mips/kvm/emulate.c           |  2 +-
 arch/powerpc/kvm/book3s_pr.c      |  2 +-
 arch/powerpc/kvm/book3s_pr_papr.c |  2 +-
 arch/powerpc/kvm/booke.c          |  4 ++--
 arch/powerpc/kvm/powerpc.c        |  2 +-
 arch/s390/kvm/kvm-s390.c          |  6 ++----
 arch/x86/include/asm/kvm_host.h   |  6 +++---
 arch/x86/kvm/vmx.c                |  2 +-
 arch/x86/kvm/x86.c                | 18 ++++++------------
 include/linux/kvm_host.h          | 22 +++++++++++++++++-----
 virt/kvm/kvm_main.c               |  7 ++++---
 13 files changed, 41 insertions(+), 36 deletions(-)

-- 
2.12.0

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Thread

[PATCH 0/6] KVM: towards maintainable kvm_make_all_cpus_request() Radim Krčmář <rkrcmar@redhat.com> - 2017-04-06 22:30 +0200
  [PATCH 4/6] KVM: remove #ifndef CONFIG_S390 around kvm_vcpu_wake_up Radim Krčmář <rkrcmar@redhat.com> - 2017-04-06 22:30 +0200
    Re: [PATCH 4/6] KVM: remove #ifndef CONFIG_S390 around  kvm_vcpu_wake_up Christian Borntraeger <borntraeger@de.ibm.com> - 2017-04-07 13:10 +0200
  [PATCH RFC 1/6] KVM: fix guest_mode optimization in kvm_make_all_cpus_request() Radim Krčmář <rkrcmar@redhat.com> - 2017-04-06 22:30 +0200
    Re: [PATCH RFC 1/6] KVM: fix guest_mode optimization in  kvm_make_all_cpus_request() James Hogan <james.hogan@imgtec.com> - 2017-04-06 23:10 +0200
    Re: [PATCH RFC 1/6] KVM: fix guest_mode optimization in  kvm_make_all_cpus_request() Christian Borntraeger <borntraeger@de.ibm.com> - 2017-04-07 12:50 +0200
  [PATCH 3/6] KVM: x86: use kvm_make_request instead of set_bit Radim Krčmář <rkrcmar@redhat.com> - 2017-04-06 22:30 +0200
    Re: [PATCH 3/6] KVM: x86: use kvm_make_request instead of set_bit David Hildenbrand <david@redhat.com> - 2017-04-07 10:20 +0200
  [PATCH 6/6] KVM: perform a wake_up in kvm_make_all_cpus_request Radim Krčmář <rkrcmar@redhat.com> - 2017-04-06 22:30 +0200
    Re: [PATCH 6/6] KVM: perform a wake_up in kvm_make_all_cpus_request Andrew Jones <drjones@redhat.com> - 2017-04-10 13:20 +0200
  [PATCH 2/6] KVM: use kvm_{test,clear}_request instead of {test,clear}_bit Radim Krčmář <rkrcmar@redhat.com> - 2017-04-06 22:30 +0200
    Re: [PATCH 2/6] KVM: use kvm_{test,clear}_request instead of  {test,clear}_bit Christian Borntraeger <borntraeger@de.ibm.com> - 2017-04-07 13:00 +0200
      Re: [PATCH 2/6] KVM: use kvm_{test,clear}_request instead of  {test,clear}_bit Radim Krčmář <rkrcmar@redhat.com> - 2017-04-07 14:30 +0200
        Re: [PATCH 2/6] KVM: use kvm_{test,clear}_request instead of  {test,clear}_bit Radim Krčmář <rkrcmar@redhat.com> - 2017-04-07 16:10 +0200

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