On Thursday, April 09, 2015 08:36:57 AM Pali Rohár wrote: > > --nextPart2566388.gOmNIJrIqI > Content-Type: Text/Plain; > charset="utf-8" > Content-Transfer-Encoding: quoted-printable > > On Thursday 09 April 2015 02:28:41 Rafael J. Wysocki wrote: > > On Sunday, April 05, 2015 07:20:17 PM Pali Roh=C3=A1r wrote: > > > To prevent race conditions on userspace processes with I/O > > > some taks must be called after processes are freezed. This > > > patch adds new events which are delivered by > > > pm_notifier_call_chain() after freezing processes when > > > doing suspend or hibernate action. > > >=20 > > > Signed-off-by: Pali Roh=C3=A1r <pali.rohar@xxxxxxxxx> > >=20 > > Please don't add more notifiers. Just call whatever you need > > directly from where you need to call that. > >=20 > > If that is device-related, try to use device PM > > suspend/hibernate callbacks instead. > >=20 > > Hi! It is not possible to use any exiting pm notifiers! This is=20 > reason why I added new ones. As I wrote wiping dm crypt keys must=20 > be done *after* userspace processes are freezed to prevent race=20 > conditions... I'm not talking about using the existing notifiers. I'm talking about calling the function you need to call directly from a suitable place in the system suspend code. -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
