Re: [Qemu-devel] [PATCH 06/10] kvm: remove unused variables

[Chris Krumme <Chris.Krumme@windriver.com>]

On 06/14/2011 12:36 PM, Michael S. Tsirkin wrote:
> Signed-off-by: Michael S. Tsirkin<mst@redhat.com>
> ---
>   hw/virtio-pci.h   |    8 +++++---
>   target-i386/kvm.c |    3 +--
>   2 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/hw/virtio-pci.h b/hw/virtio-pci.h
> index a4b5fd3..b518917 100644
> --- a/hw/virtio-pci.h
> +++ b/hw/virtio-pci.h
> @@ -37,7 +37,9 @@ typedef struct {
>       bool ioeventfd_started;
>   } VirtIOPCIProxy;
>
> -extern void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev,
> -                            uint16_t vendor, uint16_t device,
> -                            uint16_t class_code, uint8_t pif);
> +void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);

Hello MST,

The above change shows why we should be including a header, rather than 
having private prototypes (w/bitrot).

> +
> +/* Virtio ABI version, if we increment this, we break the guest driver. */
> +#define VIRTIO_PCI_ABI_VERSION          0
> +

This change seems unrelated.

Thanks

Chris

>   #endif
> diff --git a/target-i386/kvm.c b/target-i386/kvm.c
> index faedc6c..58a70bc 100644
> --- a/target-i386/kvm.c
> +++ b/target-i386/kvm.c
> @@ -970,7 +970,7 @@ static int kvm_get_xsave(CPUState *env)
>   #ifdef KVM_CAP_XSAVE
>       struct kvm_xsave* xsave;
>       int ret, i;
> -    uint16_t cwd, swd, twd, fop;
> +    uint16_t cwd, swd, twd;
>
>       if (!kvm_has_xsave()) {
>           return kvm_get_fpu(env);
> @@ -986,7 +986,6 @@ static int kvm_get_xsave(CPUState *env)
>       cwd = (uint16_t)xsave->region[0];
>       swd = (uint16_t)(xsave->region[0]>>  16);
>       twd = (uint16_t)xsave->region[1];
> -    fop = (uint16_t)(xsave->region[1]>>  16);
>       env->fpstt = (swd>>  11)&  7;
>       env->fpus = swd;
>       env->fpuc = cwd;