On 09/19/2012 10:38 PM, Jan Kiszka wrote:
> If we reset a vcpu on INIT, make sure to not touch dr7 as stored in the
> VMCS/VMCB and also switch_db_regs if guest debugging is using hardware
> breakpoints. Otherwise, the vcpu will not trigger hardware breakpoints
> until userspace issues another KVM_
If we reset a vcpu on INIT, make sure to not touch dr7 as stored in the
VMCS/VMCB and also switch_db_regs if guest debugging is using hardware
breakpoints. Otherwise, the vcpu will not trigger hardware breakpoints
until userspace issues another KVM_SET_GUEST_DEBUG IOCTL for it.
Found while trying
