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

[kbuild test robot <lkp@intel.com>]

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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-allmodconfig (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_64.c:16:0: 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_64.c:8:
   include/linux/printk.h:236:0: note: this is the location of the previous definition
    #define pr_fmt(fmt) fmt
    ^

vim +/pr_fmt +16 arch/x86/pci/mmconfig_64.c

     1	/*
     2	 * mmconfig.c - Low-level direct PCI config space access via MMCONFIG
     3	 *
     4	 * This is an 64bit optimized version that always keeps the full mmconfig
     5	 * space mapped. This allows lockless config space operation.
     6	 */
     7	
     8	#include <linux/pci.h>
     9	#include <linux/init.h>
    10	#include <linux/acpi.h>
    11	#include <linux/bitmap.h>
    12	#include <linux/rcupdate.h>
    13	#include <asm/e820.h>
    14	#include <asm/pci_x86.h>
    15	
  > 16	#define pr_fmt(fmt) "PCI: " fmt
    17	
    18	static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
    19	{
    20		struct pci_mmcfg_region *cfg = pci_mmconfig_lookup(seg, bus);
    21	
    22		if (cfg && cfg->virt)
    23			return cfg->virt + (PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12));
    24		return NULL;

---
0-DAY kernel test infrastructure                Open Source Technology Center
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