linux-kernel - Re: [PATCH v6 05/10] irqchip/gic-v3: Prefix all pr

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Message-ID: <570E190C.8020203@linaro.org>
Date:	Wed, 13 Apr 2016 18:01:48 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	Julien Grall <julien.grall@....com>, kvmarm@...ts.cs.columbia.edu
Cc:	christoffer.dall@...aro.org, marc.zyngier@....com,
	fu.wei@...aro.org, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	wei@...hat.com, al.stone@...aro.org, gg@...mlogic.co.uk
Subject: Re: [PATCH v6 05/10] irqchip/gic-v3: Prefix all pr_* messages by
 "GICv3: "

On 2016/4/11 23:32, Julien Grall wrote:
> Currently, most of the pr_* messages in the GICv3 driver don't have a
> prefix.  Add one to make clear where the messages come from.
>
> Signed-off-by: Julien Grall <julien.grall@....com>
>
> ---
>      Changes in v6:
>          - Patch added
> ---
>   drivers/irqchip/irq-gic-v3.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
> index 5b7d3c2..6dc6f03 100644
> --- a/drivers/irqchip/irq-gic-v3.c
> +++ b/drivers/irqchip/irq-gic-v3.c
> @@ -15,6 +15,8 @@
>    * along with this program.  If not, see <http://www.gnu.org/licenses/>.
>    */
>
> +#define pr_fmt(fmt)	"GICv3: " fmt

I don't think this patch is needed, as GICv3 and GICv2 will
not be probed at the same time, did I miss something?

Further more, there are prefixes in pr_fmt in this
patch using GIC:, with your patch added, it will print:

GIV3: GIC: .....

which is not a good idea.

Thanks
Hanjun