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driver core: per-subsystem multithreaded probing

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Make multithreaded probing work per subsystem instead of per driver.

It doesn't make much sense to probe the same device for multiple drivers in
parallel (after all, only one driver can bind to the device).  Instead, create
a probing thread for each device that probes the drivers one after another. 
Also make the decision to use multi-threaded probe per bus instead of per
device and adapt the pci code.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Cornelia Huck 2007-02-05 16:15:25 -08:00 • committed by Greg Kroah-Hartman
parent 460f7e9a1b
commit 21c7f30b1d
4 changed files with 33 additions and 40 deletions
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2
include/linux/pci.h
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@ -361,8 +361,6 @@ struct pci_driver {
struct pci_error_handlers *err_handler;
struct device_driver driver;
struct pci_dynids dynids;
int multithread_probe;
};
#define to_pci_driver(drv) container_of(drv,struct pci_driver, driver)