Re: [kvm-devel] architecture-specific data in struct kvm_run ?

[Carsten O. <co...@de...>]

Hollis Blanchard wrote:
> There are a bunch of x86-specific fields in struct kvm_run:
> 	/* in */
> 	__u8 request_interrupt_window;
> 	__u8 padding1[7];
> 
> 	/* out */
> 	__u8 if_flag;
> 	__u8 padding2[2];
> 
> 	/* in (pre_kvm_run), out (post_kvm_run) */
> 	__u64 cr8;
> 	__u64 apic_base;
> 
> Since this structure is shared with all architectures, can we find a
> more appropriate place to keep this data? Or should we feel free to add
> arch-specific data here?
Afaics, we'll need an arch extension to kvm_run. On s390, we'll need 
different extensions then x86 has defined here. And we don't need any 
of above fields.

Carsten