On Fri, Jan 08, 2021 at 12:15:02PM +0000, Quentin Perret wrote: > Move the initialization of kvm_nvhe_init_params in a dedicated function > that is run early, and only once during KVM init, rather than every time > the KVM vectors are set and reset. > > This also opens the opportunity for the hypervisor to change the init > structs during boot, hence simplifying the replacement of host-provided > page-tables and stacks by the ones the hypervisor will create for > itself. > > Signed-off-by: Quentin Perret <qper...@google.com> > --- > arch/arm64/kvm/arm.c | 28 ++++++++++++++++++++-------- > 1 file changed, 20 insertions(+), 8 deletions(-) > > diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c > index 04c44853b103..3ac0f3425833 100644 > --- a/arch/arm64/kvm/arm.c > +++ b/arch/arm64/kvm/arm.c
[...] > @@ -1807,6 +1813,12 @@ static int init_hyp_mode(void) > goto out_err; > } > > + /* > + * Prepare the CPU initialization parameters > + */ > + for_each_possible_cpu(cpu) > + cpu_prepare_hyp_mode(cpu); > + This is the fifth for_each_possible_cpu() loop in this function; can any of them be merged together? Will
