On Mon, May 04, 2015 at 11:24:22AM +0200, Paolo Bonzini wrote:
>
>
> On 04/05/2015 04:48, Tiejun Chen wrote:
> > We already check KVM_CAP_IRQFD in generic once enable CONFIG_HAVE_KVM_IRQFD,
> >
> > kvm_vm_ioctl_check_extension_generic()
> > |
> > + switch (arg) {
> > + ...
> > + #ifdef CONFIG_HAVE_KVM_IRQFD
> > + case KVM_CAP_IRQFD:
> > + #endif
> > + ...
> > + return 1;
> > + ...
> > + }
> > |
> > + kvm_vm_ioctl_check_extension()
> >
> > So its not necessary to check this in arch again, and also fix one typo,
> > s/emlation/emulation.
> >
> > Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxx>
> > ---
> > arch/arm/kvm/arm.c | 1 -
> > include/uapi/linux/kvm.h | 2 +-
> > 2 files changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
> > index d9631ec..483b5d1 100644
> > --- a/arch/arm/kvm/arm.c
> > +++ b/arch/arm/kvm/arm.c
> > @@ -171,7 +171,6 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
> > int r;
> > switch (ext) {
> > case KVM_CAP_IRQCHIP:
> > - case KVM_CAP_IRQFD:
> > case KVM_CAP_IOEVENTFD:
> > case KVM_CAP_DEVICE_CTRL:
> > case KVM_CAP_USER_MEMORY:
> > diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
> > index 4b60056..2fa7302 100644
> > --- a/include/uapi/linux/kvm.h
> > +++ b/include/uapi/linux/kvm.h
> > @@ -894,7 +894,7 @@ struct kvm_xen_hvm_config {
> > *
> > * KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
> > * the irqfd to operate in resampling mode for level triggered interrupt
> > - * emlation. See Documentation/virtual/kvm/api.txt.
> > + * emulation. See Documentation/virtual/kvm/api.txt.
> > */
> > #define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
> >
> >
>
> Acked-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
>
> Christoffer/Marc, please apply to the ARM tree in order to avoid
> pointless conflicts in kvm_vm_ioctl_check_extension.
>
Applied, thanks.
-Christoffer
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