On Mon, Apr 09, 2018 at 11:48:18AM +0200, Christoffer Dall wrote:
> On Fri, Apr 06, 2018 at 04:01:04PM +0100, Dave Martin wrote:
[...]
> > diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
> > index 8605e04..797b259 100644
> > --- a/arch/arm64/kvm/hyp/switch.c
> > +++ b/arch/arm64/kvm/hyp/switch.c
> > @@ -27,6 +27,7 @@
> > #include <asm/kvm_mmu.h>
> > #include <asm/fpsimd.h>
> > #include <asm/debug-monitors.h>
> > +#include <asm/thread_info.h>
> >
> > static bool __hyp_text __fpsimd_enabled_nvhe(void)
> > {
> > @@ -47,24 +48,40 @@ bool __hyp_text __fpsimd_enabled(void)
> > return __fpsimd_is_enabled()();
> > }
> >
> > -static void __hyp_text __activate_traps_vhe(void)
> > +static bool update_fp_enabled(struct kvm_vcpu *vcpu)
> > +{
> > + if (vcpu->arch.host_thread_info->flags & _TIF_FOREIGN_FPSTATE) {
> > + vcpu->arch.host_fpsimd_state = NULL;
>
> I can't see where host_fpsimd_state gets set to anything else than NULL,
> what am I missing?
Ah, *now* I understand what was missing from this posting.
Please see RFC v3.
Cheers
---Dave
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