>>> On 06.06.18 at 17:21, wrote:
> On 06/06/18 16:00, Jan Beulich wrote:
> On 04.06.18 at 15:59, wrote:
>>> @@ -518,7 +524,10 @@ struct arch_vcpu
>>> void *fpu_ctxt;
>>> unsigned long vgc_flags;
>>> struct cpu_user_regs user_regs;
>>> -unsigned long
On Mon, Jun 04, 2018 at 02:59:10PM +0100, Andrew Cooper wrote:
> Reusing debugreg[5] for the PV emulated IO breakpoint information is confusing
> to read. Instead, introduce a dr7_emul field in pv_vcpu for the pupose.
>
> With the PV emulation out of the way, debugreg[4,5] are entirely unused
On 06/06/18 16:00, Jan Beulich wrote:
On 04.06.18 at 15:59, wrote:
>> @@ -981,9 +981,14 @@ int arch_set_info_guest(
>> v->arch.pv_vcpu.ctrlreg[4] = cr4 ? pv_guest_cr4_fixup(v, cr4) :
>> real_cr4_to_pv_guest_cr4(mmu_cr4_features);
>>
>> -memset(v->arch.debugreg, 0,
>>> On 04.06.18 at 15:59, wrote:
> @@ -981,9 +981,14 @@ int arch_set_info_guest(
> v->arch.pv_vcpu.ctrlreg[4] = cr4 ? pv_guest_cr4_fixup(v, cr4) :
> real_cr4_to_pv_guest_cr4(mmu_cr4_features);
>
> -memset(v->arch.debugreg, 0, sizeof(v->arch.debugreg));
> -for ( i = 0; i <
Reusing debugreg[5] for the PV emulated IO breakpoint information is confusing
to read. Instead, introduce a dr7_emul field in pv_vcpu for the pupose.
With the PV emulation out of the way, debugreg[4,5] are entirely unused and
don't need to be stored.
Rename debugreg[0..3] to dr[0..3] to reduce
