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

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On Wed, Jun 15, 2011 at 07:44:48AM -0500, Chris Krumme wrote:
> On 06/14/2011 12:36 PM, Michael S. Tsirkin wrote:
> >Signed-off-by: Michael S. Tsirkin<mst@xxxxxxxxxx>
> >---
> >  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).

Which header?

> >+
> >+/* Virtio ABI version, if we increment this, we break the guest driver. */
> >+#define VIRTIO_PCI_ABI_VERSION          0
> >+
> 
> This change seems unrelated.
> 
> Thanks
> 
> Chris

Yes.

> >  #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;
--
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