On Sat, Jul 06, 2013 at 10:24:50AM -0700, Guenter Roeck wrote: > This patch series introduces the new driver core API function > device_create_groups(). > > device_create_groups() lets callers create devices as well as associated > sysfs attributes with a single call. This avoids potential race conditions > seen if sysfs attributes on new devices are created later. > > The rationale for the new API is that sysfs attributes should be created > synchronously with device creation to avoid race conditions, as outlined in > http://www.linuxfoundation.org/news-media/blogs/browse/2013/06/how-create-sysfs-file-correctly. > > Unfortunately, the only API function to create a device dynamically is > device_create, which does not support the notion of adding sysfs attributes > when creating a device. The new API call is similar but lets the caller > provide > a list of sysfs attribute groups.
What's wrong with the default attribute groups that all devices, busses, and classes can define to be properly created when the device is added to the driver core? How does that not already provide this functionality? greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/