Messages in this thread | | | Date | Sun, 14 Feb 2016 13:07:09 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH v2] x86/kernel: use pr_<level>() and dev_<level> |
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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;
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