Messages in this thread | | | Date | Thu, 15 May 2008 12:54:57 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [BUG] mm: bdi: export BDI attributes in sysfs |
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On Thu, 15 May 2008, Miklos Szeredi wrote: > > Actually nothing should need protection. The only problem AFAICS is > that the device_create()/dev_set_drvdata() interface is racy: somebody > can come in after the device has been created but before drvdata has > been set, and then we are in trouble.
Well, I'm not sure that the locking should be at that level. Maybe the locking *should* be in the driver that does this. It may need to do other setup too, after all.
Of course, doing a device_create_drvdata() thing might be the right solution, at least part of the time. Greg?
Linus
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