Re: [Qemu-devel] [for 4.2 PATCH 0/3] Remove time reset notifications

[Paolo Bonzini <pbonzini@redhat.com>]

On 22/07/19 17:07, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> 
> Timers have a mechanism for detecting host clock jumps; this relied
> on noticing if the time had gone backwards or if it had gone forward
> more than 60s since we last read it.  This had assumed that we regularly
> read the time, which isn't true any more - we might not read the host
> timer until the guest explicitly reads the guest RTC (e.g. hwclock).
> This falsely triggers the reset mechanism.
> 
> The reset mechanism was only used by the mc146818 (i.e. PC) RTC
> anyway; so lets remove it.
> 
> Dr. David Alan Gilbert (3):
>   mc146818rtc: Remove reset notifiers
>   timer: Remove reset notifiers
>   timer: last, remove last bits of last
> 
>  hw/timer/mc146818rtc.c   | 19 -------------------
>  include/qemu/timer.h     | 35 ----------------------------------
>  replay/replay-snapshot.c |  3 +--
>  util/qemu-timer.c        | 41 +---------------------------------------
>  4 files changed, 2 insertions(+), 96 deletions(-)
> 

Queued, thanks.

Paolo