Messages in this thread | | | Date | Fri, 6 Jul 2018 17:50:03 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 2/6] device: Add #define dev_fmt similar to #define pr_fmt |
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On Fri, Jul 06, 2018 at 08:41:34AM -0700, Joe Perches wrote: > On Fri, 2018-07-06 at 17:30 +0200, Greg Kroah-Hartman wrote: > > On Wed, May 09, 2018 at 08:15:46AM -0700, Joe Perches wrote: > > > Add a prefixing macro to dev_<level> uses similar to the pr_fmt > > > prefixing macro used in pr_<level> calls. > > > > > > This can help avoid some string duplication in dev_<level> uses. > > > > > > The default, like pr_fmt, is an empty #define dev_fmt(fmt) fmt > > > > > > Rename the existing dev_<level> functions to _dev_<level> and > > > introduce #define dev_<level> _dev_<level> macros that use the > > > new #define dev_fmt > > > > > > Miscellanea: > > > > > > o Consistently use #defines with fmt, ... and ##__VA_ARGS__ > > > o Remove unnecessary externs > > > > SHouldn't these be separate patches please? > > Multiple patches touching the same lines are unnecessary work. > > So I don't think so as it's just touching bits that need change > anyway. > > > > Signed-off-by: Joe Perches <joe@perches.com> > > > --- > > > drivers/base/core.c | 12 +++--- > > > include/linux/device.h | 103 ++++++++++++++++++++++++++++--------------------- > > > 2 files changed, 64 insertions(+), 51 deletions(-) > > > > Ok this seems like a lot of churn for no real apparent gain. What is > > all of this getting us? > > > > What is the benifit, you have more code now, > > why is that good? > > IPMI and a few other subsystems prefix all their output > dev_<level> with specific duplicated content.
That's crazy and strange as the whole idea was that dev_* would uniquely identify the driver/device such that "prefixes" would not be needed.
Ugh.
> This centralizes those prefixes just like pr_fmt. > > The IPMI changes are already in mainline and now > need this mechanism to maintain their output content. > > IPMI and a few other subsystems prefix all their output > dev_<level> with specific duplicated content. > > This centralizes those prefixes just like pr_fmt. > > commit a2d70dfdda6f ("ipmi: msghandler: Add and use pr_fmt and dev_fmt, > remove PFX")
Ok, I'll take this. I don't like it, as drivers should really not need this at all. But ipmi is known for doing "odd" things anyway...
greg k-h
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