Re: [PATCH v2 09/10] KVM: arm64: trap nested debug register access

On Tue, Mar 31, 2015 at 04:08:07PM +0100, Alex Bennée wrote: > When we are using the hardware registers for guest debug we need to deal > with the guests access to them. There is already a mechanism for dealing > with these accesses so we build on top of that. > > - mdscr_el1_bits is renamed as

Re: [PATCH v2 09/10] KVM: arm64: trap nested debug register access

On Mon, Apr 13, 2015 at 08:59:21AM +0100, Alex Bennée wrote: [...] > >> + /* MDSCR_EL1 */ > >> + if (r->reg == MDSCR_EL1) { > >> + if (p->is_write) > >> + vcpu_debug_saved_reg(vcpu, mdscr_el1) = > >> + *v

Re: [PATCH v2 09/10] KVM: arm64: trap nested debug register access

Andrew Jones writes: > On Tue, Mar 31, 2015 at 04:08:07PM +0100, Alex Bennée wrote: >> When we are using the hardware registers for guest debug we need to deal >> with the guests access to them. There is already a mechanism for dealing >> with these accesses so we build on top of that. >> >>

[PATCH v2 09/10] KVM: arm64: trap nested debug register access

When we are using the hardware registers for guest debug we need to deal with the guests access to them. There is already a mechanism for dealing with these accesses so we build on top of that. - mdscr_el1_bits is renamed as we save the whole register - any access to mdscr_el1 is now stored in