linux-kernel - Re: [PATCH v2] x86/kernel: use pr_<level>() and dev

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Message-ID: <201602141236.zg9U9tqP%fengguang.wu@intel.com>
Date:	Sun, 14 Feb 2016 12:22:23 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Chen Yucong <slaoub@...il.com>
Cc:	kbuild-all@...org, mingo@...nel.org, tglx@...utronix.de,
	hpa@...or.com, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] x86/kernel: use pr_<level>() and dev_<level>

Hi Chen,

[auto build test WARNING on tip/x86/core]
[also build test WARNING on v4.5-rc3 next-20160212]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Chen-Yucong/x86-kernel-use-pr_-level-and-dev_-level/20160214-121236
config: x86_64-randconfig-x012-201607 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

>> arch/x86/pci/mmconfig-shared.c:25:0: warning: "pr_fmt" redefined
    #define pr_fmt(fmt) "PCI: " fmt
    ^
   In file included from include/linux/kernel.h:13:0,
                    from include/linux/list.h:8,
                    from include/linux/pci.h:25,
                    from arch/x86/pci/mmconfig-shared.c:13:
   include/linux/printk.h:236:0: note: this is the location of the previous definition
    #define pr_fmt(fmt) fmt
    ^

vim +/pr_fmt +25 arch/x86/pci/mmconfig-shared.c

     9	 * Per-architecture code takes care of the mappings and accesses
    10	 * themselves.
    11	 */
    12	
    13	#include <linux/pci.h>
    14	#include <linux/init.h>
    15	#include <linux/sfi_acpi.h>
    16	#include <linux/bitmap.h>
    17	#include <linux/dmi.h>
    18	#include <linux/slab.h>
    19	#include <linux/mutex.h>
    20	#include <linux/rculist.h>
    21	#include <asm/e820.h>
    22	#include <asm/pci_x86.h>
    23	#include <asm/acpi.h>
    24	
  > 25	#define pr_fmt(fmt) "PCI: " fmt
    26	
    27	/* Indicate if the mmcfg resources have been placed into the resource table. */
    28	static bool pci_mmcfg_running_state;
    29	static bool pci_mmcfg_arch_init_failed;
    30	static DEFINE_MUTEX(pci_mmcfg_lock);
    31	
    32	LIST_HEAD(pci_mmcfg_list);
    33	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Download attachment ".config.gz" of type "application/octet-stream" (27521 bytes)