On Thu, May 07, 2020 at 03:36:33PM +0100, Quentin Perret wrote:
> On Thursday 07 May 2020 at 15:01:07 (+0100), Marc Zyngier wrote:
> > > /*
> > > - * u64 __kvm_call_hyp(void *hypfn, ...);
> > > + * u64 __kvm_call_hyp(unsigned long arg, ...);
> > > *
> > > * This is not really a variadic functi
On Thursday 07 May 2020 at 15:01:07 (+0100), Marc Zyngier wrote:
> > /*
> > - * u64 __kvm_call_hyp(void *hypfn, ...);
> > + * u64 __kvm_call_hyp(unsigned long arg, ...);
> > *
> > * This is not really a variadic function in the classic C-way and care
> > must
> > * be taken when calling thi
On Thu, 30 Apr 2020 15:48:17 +0100,
David Brazdil wrote:
>
> From: Quentin Perret
>
> Currently, the arm64 KVM code provides __kvm_call_hyp assembly procedure which
> does nothing but call the HVC instruction. This is used to call functions by
> their pointer in EL2 under nVHE, and abused by __
From: Quentin Perret
Currently, the arm64 KVM code provides __kvm_call_hyp assembly procedure which
does nothing but call the HVC instruction. This is used to call functions by
their pointer in EL2 under nVHE, and abused by __cpu_init_hyp_mode to pass
a data pointer. The hyp-stub code, on the oth
