Re: [PATCH for-8.2 1/2] arm/kvm: convert to kvm_set_one_reg

[Cornelia Huck <cohuck@redhat.com>]

On Mon, Jul 24 2023, Gavin Shan <gshan@redhat.com> wrote:

> Hi Connie,
>
> On 7/18/23 21:14, Cornelia Huck wrote:
>> We can neaten the code by switching to the kvm_set_one_reg function.
>> 
>> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
>> ---
>>   target/arm/kvm.c   | 13 +++------
>>   target/arm/kvm64.c | 66 +++++++++++++---------------------------------
>>   2 files changed, 21 insertions(+), 58 deletions(-)
>> 
>
> Some wrong replacements to be fixed in kvm_arch_put_fpsimd() as below.
> Apart from that, LGTM:
>
> Reviewed-by: Gavin Shan <gshan@redhat.com>
> @@ -725,19 +721,17 @@ static void kvm_inject_arm_sea(CPUState *c)
>>   static int kvm_arch_put_fpsimd(CPUState *cs)
>>   {
>>       CPUARMState *env = &ARM_CPU(cs)->env;
>> -    struct kvm_one_reg reg;
>>       int i, ret;
>>   
>>       for (i = 0; i < 32; i++) {
>>           uint64_t *q = aa64_vfp_qreg(env, i);
>>   #if HOST_BIG_ENDIAN
>>           uint64_t fp_val[2] = { q[1], q[0] };
>> -        reg.addr = (uintptr_t)fp_val;
>> +        ret = kvm_set_one_reg(cs, AARCH64_SIMD_CORE_REG(fp_regs.vregs[i]),
>> +                                                        &fp_val);
>                                                             ^^^^^^^
>                                                             s/&fp_val/fp_val
>>   #else
>> -        reg.addr = (uintptr_t)q;
>> +        ret = kvm_set_one_reg(cs, AARCH64_SIMD_CORE_REG(fp_regs.vregs[i]), &q);
>                                                                                ^^^
>                                                                               s/&q/q
>                                                                                
>>   #endif

Whoops, I thought I had double-checked these...