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[v2,0/1] KVM: s390: diag9c forwarding

Message ID 1613119176-20864-1-git-send-email-pmorel@linux.ibm.com (mailing list archive)
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Series KVM: s390: diag9c forwarding | expand

Message

Pierre Morel Feb. 12, 2021, 8:39 a.m. UTC 
This patch will forward the yieldto hypercall (diag9c) if in the host
the target CPU is also not running. As we do not yet have performance
data (and recommendations) the default is turned off, but this can
be changed during runtime.

Pierre Morel (1):
  s390:kvm: diag9c forwarding

 Documentation/virt/kvm/s390-diag.rst | 33 ++++++++++++++++++++++++++++
 arch/s390/include/asm/kvm_host.h     |  1 +
 arch/s390/include/asm/smp.h          |  1 +
 arch/s390/kernel/smp.c               |  1 +
 arch/s390/kvm/diag.c                 | 31 +++++++++++++++++++++++---
 arch/s390/kvm/kvm-s390.c             |  6 +++++
 arch/s390/kvm/kvm-s390.h             |  8 +++++++
 7 files changed, 78 insertions(+), 3 deletions(-)