On Fri, Sep 06, 2013 at 03:30:38PM +0200, Christian Borntraeger wrote:
> On 06/09/13 14:19, Jens Freimann wrote:> This series adds a kvm_device that
> acts as a irq controller for floating
> > interrupts. As a first step it implements functionality to retrieve and
> > inject
> > interrupts for the purpose of migration and for hardening the reset code by
> > allowing user space to explicitly remove all pending floating interrupts.
> >
> > PFAULT patches will also use this device for enabling/disabling pfault,
> > therefore
> > the pfault patch series will be reworked to use this device.
> >
> > * Patch 1/2 adds a new data structure to hold interrupt information. The
> > current
> > one (struct kvm_s390_interrupt) does not allow to inject every kind of
> > interrupt,
> > e.g. some data for program interrupts and machine check interruptions were
> > missing.
> >
> > * Patch 2/2 adds a kvm_device which supports getting/setting currently
> > pending
> > floating interrupts as well as deleting all currently pending interrupts
> >
> >
> > Jens Freimann (2):
> > KVM: s390: add and extend interrupt information data structs
> > KVM: s390: add floating irq controller
> >
> > Documentation/virtual/kvm/devices/s390_flic.txt | 36 +++
> > arch/s390/include/asm/kvm_host.h | 35 +--
> > arch/s390/include/uapi/asm/kvm.h | 5 +
> > arch/s390/kvm/interrupt.c | 304
> > ++++++++++++++++++++----
> > arch/s390/kvm/kvm-s390.c | 1 +
> > include/linux/kvm_host.h | 1 +
> > include/uapi/linux/kvm.h | 65 +++++
> > virt/kvm/kvm_main.c | 5 +
> > 8 files changed, 368 insertions(+), 84 deletions(-)
> > create mode 100644 Documentation/virtual/kvm/devices/s390_flic.txt
> >
>
>
> Gleb, Paolo,
>
> since the qemu part relies on a kernel header file, it makes sense to not
> only let the kernel
> part go via the kvm tree, but also the qemu part. I want Alex to Ack the
> interface, and if he
> agrees then I am fine with applying the whole series.
>
Still waiting for Alex's ACK.
> If nothing else comes up, feel free to apply the small change request from
> Peter yourself or
> ask Jens for a resend.
>
> ------snip----
>
> --- a/include/uapi/linux/kvm.h
> +++ b/include/uapi/linux/kvm.h
> @@ -908,7 +908,7 @@ struct kvm_device_attr {
> #define KVM_DEV_TYPE_FSL_MPIC_20 1
> #define KVM_DEV_TYPE_FSL_MPIC_42 2
> #define KVM_DEV_TYPE_XICS 3
> -#define KVM_DEV_TYPE_FLIC 4
> +#define KVM_DEV_TYPE_FLIC 5
>
> /*
> * ioctls for VM fds
>
> ------snip----
--
Gleb.
