Re: [PATCH v2 08/10] KVM: arm64: guest debug, HW assisted debug support

On Fri, Apr 10, 2015 at 02:25:21PM +0200, Andrew Jones wrote: [...] --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -196,16 +196,49 @@ static bool trap_dbgauthstatus_el1(struct kvm_vcpu *vcpu, * - If the dirty bit is set, save guest registers, restore host *

Re: [PATCH v2 08/10] KVM: arm64: guest debug, HW assisted debug support

On Tue, Mar 31, 2015 at 04:08:06PM +0100, Alex Bennée wrote: This adds support for userspace to control the HW debug registers for guest debug. We'll only copy the $ARCH defined number across as that is all that hyp.S will use anyway. I don't really understand what this sentence means? I've

[PATCH v2 08/10] KVM: arm64: guest debug, HW assisted debug support

This adds support for userspace to control the HW debug registers for guest debug. We'll only copy the $ARCH defined number across as that is all that hyp.S will use anyway. I've moved some helper functions into the hw_breakpoint.h header for re-use. As with single step we need to tweak the guest