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

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Message-ID: <20140612055555.GB30128@js1304-P5Q-DELUXE>
Date:	Thu, 12 Jun 2014 14:55:55 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Michal Nazarewicz <mina86@...a86.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	kvm@...r.kernel.org, linux-mm@...ck.org,
	Gleb Natapov <gleb@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alexander Graf <agraf@...e.de>, kvm-ppc@...r.kernel.org,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paolo Bonzini <pbonzini@...hat.com>,
	linuxppc-dev@...ts.ozlabs.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 01/10] DMA, CMA: clean-up log message

On Thu, Jun 12, 2014 at 02:18:53PM +0900, Minchan Kim wrote:
> Hi Joonsoo,
> 
> On Thu, Jun 12, 2014 at 12:21:38PM +0900, Joonsoo Kim wrote:
> > 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().
> 
> When I take a look, it just indicates cma_activate_area was called or not,
> without what range for the area was reserved successfully so I couldn't see
> the intention for new message. Description should explain it so that everybody
> can agree on your claim.
> 

Hello,

I paste the answer in other thread.

This pr_debug() comes from ppc kvm's kvm_cma_init_reserved_areas().
I want to maintain all log messages as much as possible to reduce
confusion with this generalization.

If I need to respin this patchset, I will explain more about it.

Thanks.
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