Zhang, Xiantao wrote:
> --- /dev/null
> +++ b/drivers/kvm/kvm_arch.h
[...]
> +struct kvm_arch_vcpu{
> +
> + u64 host_tsc;
> +
> + unsigned long regs[NR_VCPU_REGS]; /* for rsp:
> vcpu_load_rsp_rip() */
> + unsigned long rip; /* needs vcpu_load_rsp_rip() */
> +
> + unsigned long cr0;
> + unsigned long cr2;
> + unsigned long cr3;
> + unsigned long cr4;
> + unsigned long cr8;
> + u64 pdptrs[4]; /* pae */
> + u64 shadow_efer;
> + u64 apic_base;
> + struct kvm_lapic *apic; /* kernel irqchip context */
> +
> + u64 ia32_misc_enable_msr;
> +
> +
> + struct i387_fxsave_struct host_fx_image;
> + struct i387_fxsave_struct guest_fx_image;
> + int fpu_active;
> + int guest_fpu_loaded;
> +
> + gva_t mmio_fault_cr2;
> +
> + struct {
> + int active;
> + u8 save_iopl;
> + struct kvm_save_segment {
> + u16 selector;
> + unsigned long base;
> + u32 limit;
> + u32 ar;
> + } tr, es, ds, fs, gs;
> + } rmode;
[...]
As far as I can see without applying it, that split is ok for powerpc. I had a
similar approach in my local patch queue too.
Minor differences in which elements of the structs are arch dependent or not
can be changed in small patches later ;-)
But the file kvm_arch.h name confuses me a bit - I assume you had the coming
asm split in mind where every architecture can define it's asm/kvm_arch.h.
Since we don't have that asm structure for kvm yet, the changes you made to
kvm_arch.h may be better located at the x86.h atm.
--
Grüsse / regards,
Christian Ehrhardt
IBM Linux Technology Center, Open Virtualization
+49 7031/16-3385
[EMAIL PROTECTED]
[EMAIL PROTECTED]
IBM Deutschland Entwicklung GmbH
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