On 24.04.2018 12:18, David Hildenbrand wrote: > Calling pause_all_vcpus()/resume_all_vcpus() from a VCPU thread might > not be the best idea. As pause_all_vcpus() temporarily drops the qemu > mutex, two parallel calls to pause_all_vcpus() can be active at a time, > resulting in a deadlock. (either by two VCPUs or by the main thread and a > VCPU) > > Let's handle it via the main loop instead, as suggested by Paolo. If we > would have two parallel reset requests by two different VCPUs at the > same time, the last one would win. > > We use the existing ipl device to handle it. The nice side effect is > that we can get rid of reipl_requested. > > This change implies that all reset handling now goes via the common > path, so "no-reboot" handling is now active for all kinds of reboots. > > Let's execute any CPU initialization code on the target CPU using > run_on_cpu. > > Signed-off-by: David Hildenbrand <da...@redhat.com> > --- > > RFC -> v1: > - initital -> initial > - get rid of goto > - store CPU index instead of CPU. Fallback to any CPU in case not found > - handle default case in switch-case
Very friendly ping :) -- Thanks, David / dhildenb