On Fri, 2015-08-07 at 09:05 +0900, Sergey Senozhatsky wrote: > On (08/07/15 00:03), Salah Triki wrote: > > This patchset replaces pr_* with dev_*. dev_* attach kernel messages to the > > right > > device. In addition, patchs 1 and 2 add to messages the values of variables > > that trigger > > errors. [] > I'd prefer to leave the messages the way they are. Changing anything > visible to user space (api, eror codes, error messages, etc.) is a > very risky business. You change the format of error messages and it > smells like a big NO-NO. > > 'zram: Cannot initialise lzo compressing backend' > --> 'block zram0: Cannot initialise lzo compressing backend' > > > And there are even more dramatic changes: > "Cannot change max compression streams\n" > --> "Cannot change max compression streams to %d\n" > > "Can't change algorithm for initialized device\n" > --> "Can't change algorithm to %s for initialized device\n" > > > People already can have scripts doing `grep "zram:"` on dmesg or > whatever. We cannot change this anymore.
That's not true at all. Using grep on dmesg is specifically _not_ guaranteed to remain stable between kernel versions. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

