Messages in this thread | | | Date | Sat, 6 Jul 2013 12:22:21 -0700 | From | Guenter Roeck <> | Subject | Re: [RFC PATCH 1/5] driver core: Introduce device_create_groups |
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On Sat, Jul 06, 2013 at 10:47:58AM -0700, Greg Kroah-Hartman wrote: > On Sat, Jul 06, 2013 at 10:24:51AM -0700, Guenter Roeck wrote: > > device_create_groups lets callers create devices as well as associated > > sysfs attributes with a single call. This avoids race conditions seen > > if sysfs attributes on new devices are created later. > > > > Signed-off-by: Guenter Roeck <linux@roeck-us.net> > > --- > > drivers/base/core.c | 60 +++++++++++++++++++++++++++++++++++++++++++++--- > > include/linux/device.h | 4 ++++ > > 2 files changed, 61 insertions(+), 3 deletions(-) > > Ok, in reading the code, it makes more sense to me now. That looks > good, but the name is a bit rough. How many device_create() calls do we > have in the kernel today? > > $ git grep -w device_create | wc -l > 127 > > That's really not that many, I wonder how many of those should be using > something like this as well? A quick look showed that the sound core > should be using this, but maybe not all that many others... > Pretty much all hwmon devices. Given that, another option would be to not use device_create in the hwmon core code, but more or less re-write it there. I don't think that would be such a good idea, but it is my fallback option.
> My objection to the name is at first glance, it sounds like you are > creating "groups", not a device + groups. > "device_create_with_groups()"? > No problem. You pick the name ...
Thanks, Guenter
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