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/openbmc/qemu/hw/intc/
H A Dopenpic_kvm.cdiff f41389ae3c54bd5e2040e3f95a2872981c3ed965 Fri Oct 31 08:38:18 CDT 2014 Eric Auger <eric.auger@linaro.org> KVM_CAP_IRQFD and KVM_CAP_IRQFD_RESAMPLE checks

Compute kvm_irqfds_allowed by checking the KVM_CAP_IRQFD extension.
Remove direct settings in architecture specific files.

Add a new kvm_resamplefds_allowed variable, initialized by
checking the KVM_CAP_IRQFD_RESAMPLE extension. Add a corresponding
kvm_resamplefds_enabled() function.

A special notice for s390 where KVM_CAP_IRQFD was not immediatly
advirtised when irqfd capability was introduced in the kernel.
KVM_CAP_IRQ_ROUTING was advertised instead.

This was fixed in "KVM: s390: announce irqfd capability",
ebc3226202d5956a5963185222982d435378b899 whereas irqfd support
was brought in 84223598778ba08041f4297fda485df83414d57e,
"KVM: s390: irq routing for adapter interrupts". Both commits
first appear in 3.15 so there should not be any kernel
version impacted by this QEMU modification.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
H A Dxics_kvm.cdiff f41389ae3c54bd5e2040e3f95a2872981c3ed965 Fri Oct 31 08:38:18 CDT 2014 Eric Auger <eric.auger@linaro.org> KVM_CAP_IRQFD and KVM_CAP_IRQFD_RESAMPLE checks

Compute kvm_irqfds_allowed by checking the KVM_CAP_IRQFD extension.
Remove direct settings in architecture specific files.

Add a new kvm_resamplefds_allowed variable, initialized by
checking the KVM_CAP_IRQFD_RESAMPLE extension. Add a corresponding
kvm_resamplefds_enabled() function.

A special notice for s390 where KVM_CAP_IRQFD was not immediatly
advirtised when irqfd capability was introduced in the kernel.
KVM_CAP_IRQ_ROUTING was advertised instead.

This was fixed in "KVM: s390: announce irqfd capability",
ebc3226202d5956a5963185222982d435378b899 whereas irqfd support
was brought in 84223598778ba08041f4297fda485df83414d57e,
"KVM: s390: irq routing for adapter interrupts". Both commits
first appear in 3.15 so there should not be any kernel
version impacted by this QEMU modification.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
/openbmc/qemu/include/sysemu/
H A Dkvm.hdiff f41389ae3c54bd5e2040e3f95a2872981c3ed965 Fri Oct 31 08:38:18 CDT 2014 Eric Auger <eric.auger@linaro.org> KVM_CAP_IRQFD and KVM_CAP_IRQFD_RESAMPLE checks

Compute kvm_irqfds_allowed by checking the KVM_CAP_IRQFD extension.
Remove direct settings in architecture specific files.

Add a new kvm_resamplefds_allowed variable, initialized by
checking the KVM_CAP_IRQFD_RESAMPLE extension. Add a corresponding
kvm_resamplefds_enabled() function.

A special notice for s390 where KVM_CAP_IRQFD was not immediatly
advirtised when irqfd capability was introduced in the kernel.
KVM_CAP_IRQ_ROUTING was advertised instead.

This was fixed in "KVM: s390: announce irqfd capability",
ebc3226202d5956a5963185222982d435378b899 whereas irqfd support
was brought in 84223598778ba08041f4297fda485df83414d57e,
"KVM: s390: irq routing for adapter interrupts". Both commits
first appear in 3.15 so there should not be any kernel
version impacted by this QEMU modification.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
/openbmc/linux/arch/s390/kvm/
H A Dkvm-s390.cdiff ebc3226202d5956a5963185222982d435378b899 Fri May 09 08:00:46 CDT 2014 Cornelia Huck <cornelia.huck@de.ibm.com> KVM: s390: announce irqfd capability

s390 has acquired irqfd support with commit "KVM: s390: irq routing for
adapter interrupts" (84223598778ba08041f4297fda485df83414d57e) but
failed to announce it. Let's fix that.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>