[v2,0/2] PM: runtime: Update device status before letting suppliers suspend (another take)

Message

Rafael J. Wysocki March 19, 2021, 2:42 p.m. UTC

On Thursday, March 18, 2021 7:06:54 PM CET Rafael J. Wysocki wrote:
> Hi All,
> 
> The previous attempt to address the issue tackled by this series, commit
> 44cc89f76464 ("PM: runtime: Update device status before letting suppliers
> suspend") was incorrect, because it introduced a rather nasty race condition
> into __rpm_callback(), so let's revert it (patch [1/2]).
> 
> Instead, let's avoid suspending the suppliers immediately after dropping the
> PM-runtime references to them and do that later, when the status of the
> consumer has changed to RPM_SUSPENDED.
> 
> Please see the patch changelogs for details.
> 
> Elaine, please test this series on the system where you saw the original
> problem.

The above still applies.

The v2 is sent because of some updates in the second patch, plus the tags from Ulf.

Thanks!