search for: 857baa87b64

...QEMU Project developers compressed .config attached to the mail, this can likely be trimmed down some as well but that takes more time for me.. I didn't rebuild the kernel so not 100% sure (comes from /proc/config.gz) but it should work on a 4.20-rc2 kernel as written in the first few lines; 857baa87b64 I referred to in another mail was merged in 4.19-rc1 so anything past that is probably OK to reproduce... Re-checked today with these exact options (fresh VM start; then suspend laptop for a bit, then reboot VM): [ 0.000000] Hypervisor detected: KVM [ 0.000000] kvm-clock: Using msrs 4b564d0...

...e) Pavel Tatashin wrote on Thu, Jul 19, 2018: > Allow sched_clock() to be used before schec_clock_init() is called. > This provides with a way to get early boot timestamps on machines with > unstable clocks. This isn't something I understand, but bisect tells me this patch (landed as 857baa87b64 ("sched/clock: Enable sched clock early")) makes a VM running with kvmclock take a step in uptime/printk timer early in boot sequence as illustrated below. The step seems to be related to the amount of time the host was suspended while qemu was running before the reboot. $ dmesg ... [...