Re: [PATCH v2 01/10] DMA, CMA: clean-up log message

From: Michal Nazarewicz
Date: Thu Jun 12 2014 - 04:55:46 EST


>> Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> writes:
>>
>> > We don't need explicit 'CMA:' prefix, since we already define prefix
>> > 'cma:' in pr_fmt. So remove it.
>> >
>> > And, some logs print function name and others doesn't. This looks
>> > bad to me, so I unify log format to print function name consistently.
>> >
>> > Lastly, I add one more debug log on cma_activate_area().
>> >
>> > Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
>> >
>> > diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
>> > index 83969f8..bd0bb81 100644
>> > --- a/drivers/base/dma-contiguous.c
>> > +++ b/drivers/base/dma-contiguous.c
>> > @@ -144,7 +144,7 @@ void __init dma_contiguous_reserve(phys_addr_t limit)
>> > }
>> >
>> > if (selected_size && !dma_contiguous_default_area) {
>> > - pr_debug("%s: reserving %ld MiB for global area\n", __func__,
>> > + pr_debug("%s(): reserving %ld MiB for global area\n", __func__,
>> > (unsigned long)selected_size / SZ_1M);

> On Thu, Jun 12, 2014 at 10:11:19AM +0530, Aneesh Kumar K.V wrote:
>> Do we need to do function(), or just function:. I have seen the later
>> usage in other parts of the kernel.

On Thu, Jun 12 2014, Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> wrote:
> I also haven't seen this format in other kernel code, but, in cma, they use
> this format as following.
>
> function(arg1, arg2, ...): some message
>
> If we all dislike this format, we can change it after merging this
> patchset. Until then, it seems better to me to leave it as is.

I used âfunction(arg1, arg2, â)â at the *beginning* of functions when
the arguments passed to the function were included in the message. In
all other cases I left it at just âfunction:â (or just no additional
prefix). IMO that's a reasonable strategy.

--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, MichaÅ âmina86â Nazarewicz (o o)
ooo +--<mpn@xxxxxxxxxx>--<xmpp:mina86@xxxxxxxxxx>--ooO--(_)--Ooo--
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