linux-kernel - Re: [PATCH 2/2] apei/erst-dbg: Define pr_fmt macro to avoid the duplication of ERST_DBG

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Date:	Mon, 15 Jun 2015 07:42:33 -0700
From:	Joe Perches <joe@...ches.com>
To:	Wang Long <long.wanglong@...wei.com>
Cc:	rjw@...ysocki.net, lenb@...nel.org, ying.huang@...el.com,
	tony.luck@...el.com, bp@...e.de, gong.chen@...ux.intel.com,
	tomasz.nowicki@...aro.org, lv.zheng@...el.com,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	wanglong@...qinren.net, peifeiyue@...wei.com
Subject: Re: [PATCH 2/2] apei/erst-dbg: Define pr_fmt macro to avoid the
 duplication of ERST_DBG_PFX

On Mon, 2015-06-15 at 09:57 +0000, Wang Long wrote:
> Define pr_fmt macro with {ERST DBG: } prefix, then remove all use
> of ERST_DBG_PFXin the pr_* functions.
[]
> diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c
[]
> @@ -31,7 +31,8 @@
>  
>  #include "apei-internal.h"
>  
> -#define ERST_DBG_PFX			"ERST DBG: "
> +#undef pr_fmt
> +#define pr_fmt(fmt) "ERST DBG: " fmt

Moving this #define above the first #include is what's
generally done and doesn't require an #undef


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