On 22/12/11 13:34, Avi Kivity wrote:
>> The general purpose registers are often necessary to handle SIE exits.
>> Avoid additional ioctls by providing the guest registers in the r/w
>> section of the kvm_run structure.
>>
>
> This is only needed for S390_UCONTROL?
No for the standard path. It was more like a "we copy the regs around
anyway inside the kernel, so why not use kvm_run as a place to store
the guest regs". So I will probably also have a look at floating point
regs and access registers.
>
>>
>> struct sync_rw_regs {
>> + __u64 gprs[16]; /* general purpose registers */
>> };
>> #endif
>
> Don't you have to remove arch.guest_gprs too? (interesting approach btw).
Yes. Done
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