On Thu, 19 Jul 2007, Cornelia Huck wrote: > On Thu, 19 Jul 2007 10:57:53 +0200 (CEST), > Geert Uytterhoeven <Geert.Uytterhoeven@xxxxxxxxxxx> wrote: > > > Were .probe()/.remove() made concurrent again? I thought that idea was dropped > > because it caused too many problems? > > Well, for a given device, ->probe()/->remove() are locked by dev->sem, > so that there cannot be two probes/removes for the same device at the > same time. However, if you have multiple hotplug events pending at the OK. > same time, it depends on your bus whether it does some serialization or > whether it allows multiple probes/removes running for different devices. > (Initial probing of a bus and probing of all devices with a new driver > is done serialized again, I think that's what you're referring to.) We have a probe thread that checks for new storage devices and adds them to the bus with ps3_system_bus_device_register(), which calls device_register(). I guess the actual bus probe() routine gets called through the notifier call chain? That's where I got lost... With kind regards, Geert Uytterhoeven Software Architect Sony Network and Software Technology Center Europe The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium Phone: +32 (0)2 700 8453 Fax: +32 (0)2 700 8622 E-mail: Geert.Uytterhoeven@xxxxxxxxxxx Internet: http://www.sony-europe.com/ Sony Network and Software Technology Center Europe A division of Sony Service Centre (Europe) N.V. Registered office: Technologielaan 7 · B-1840 Londerzeel · Belgium VAT BE 0413.825.160 · RPR Brussels Fortis Bank Zaventem · Swift GEBABEBB08A · IBAN BE39001382358619