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SubjectRe: [PATCH v2] net: netfilter: Replace printk() with appropriate pr_*() macro
Arushi Singhal <arushisinghal19971997@gmail.com> wrote:
> On Mon, Mar 12, 2018 at 2:17 AM, Pablo Neira Ayuso <pablo@netfilter.org>
> wrote:
>
> > Hi Joe,
> >
> > On Sun, Mar 11, 2018 at 12:52:41PM -0700, Joe Perches wrote:
> > > On Mon, 2018-03-12 at 01:11 +0530, Arushi Singhal wrote:
> > > > Using pr_<loglevel>() is more concise than
> > > > printk(KERN_<LOGLEVEL>).
> > > > Replace printks having a log level with the appropriate
> > > > pr_*() macros.
> > > >
> > > > Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
> > > > ---
> > > > changes in v2
> > > > *in v1 printk() were replaced with netdev_*()
> > >
> > > > net/netfilter/nf_conntrack_acct.c | 2 +-
> > > > net/netfilter/nf_conntrack_ecache.c | 2 +-
> > > > net/netfilter/nf_conntrack_timestamp.c | 2 +-
> > > > net/netfilter/nf_nat_core.c | 2 +-
> > > > net/netfilter/nfnetlink_queue.c | 4 ++--
> > > > 5 files changed, 6 insertions(+), 6 deletions(-)
> > >
> > > None of these files have a #define for pr_fmt so this
> > > should be OK.
> >
> > I think Arushi could add pr_fmt in the same go, so we skip another
> > follow up patch for this. @Arushi: I suggested this in my previous
> > email, please have a look.
> >
> > Hello Pablo
>
> Should I send two patches, one with the conversion of printk() to pr_() and
> another for defining pr_fmt().
>
> Or
>
> only one patch with all the changes?

Both in one, it reduces code churn.

With pr_* + pr_fmt, the module name will be prefixed automatically, see
e.g. commit e016c5e43db51875c2b541b59bd217494d213174 as an example.

> > This would also probably allows us to save the line break in the error
> > message, which IIRC is not a good practise either, eg.
> >
> > pr_warn("nf_queue: OOM "
> > "in mangle, dropping packet\n");
> >
> > > Perhaps coalesce the formats and remove the unnecessary periods too.

The above message should be removed, its useless (on oom allocator
already warns).

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