Re: [Qemu-devel] [PATCH v2] migration: Do not re-read the clock on pre_save in case of paused guest

2019-07-12 Thread David Gibson
On Thu, Jul 11, 2019 at 04:47:02PM -0300, Maxiwell S. Garcia wrote: > Re-read the timebase before migrate was ported from x86 commit: >6053a86fe7bd: kvmclock: reduce kvmclock difference on migration > > The clock move makes the guest knows about the paused time between > the stop and migrate c

[Qemu-devel] [PATCH v2] migration: Do not re-read the clock on pre_save in case of paused guest

2019-07-11 Thread Maxiwell S. Garcia
Re-read the timebase before migrate was ported from x86 commit: 6053a86fe7bd: kvmclock: reduce kvmclock difference on migration The clock move makes the guest knows about the paused time between the stop and migrate commands. This is an issue in an already-paused VM because some side effects, l