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Date:   Fri, 14 Apr 2017 07:41:52 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org, tipbuild@...or.com
Subject: [tip:WIP.hotplug 30/32] drivers/pci/pci-driver.c:342:2: note: in
 expansion of macro 'if'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.hotplug
head:   355d9c03df2c702f4fc346b94b8d3dfa5992aa65
commit: 295afd420469ed67ea4c5c4b3fdf1bba5331f33e [30/32] PCI: Use cpu_hotplug_disable() instead of get_online_cpus()
config: x86_64-randconfig-x007-201715 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 295afd420469ed67ea4c5c4b3fdf1bba5331f33e
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   In file included from include/uapi/linux/stddef.h:1:0,
                    from include/linux/stddef.h:4,
                    from include/uapi/linux/posix_types.h:4,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/linux/mod_devicetable.h:11,
                    from include/linux/pci.h:20,
                    from drivers/pci/pci-driver.c:11:
   drivers/pci/pci-driver.c: In function 'pci_call_probe':
   drivers/pci/pci-driver.c:342:27: error: 'struct pci_dev' has no member named 'physfn'; did you mean 'is_physfn'?
     if (dev->is_virtfn && dev->physfn->is_probed)
                              ^
   include/linux/compiler.h:160:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> drivers/pci/pci-driver.c:342:2: note: in expansion of macro 'if'
     if (dev->is_virtfn && dev->physfn->is_probed)
     ^~
   drivers/pci/pci-driver.c:342:27: error: 'struct pci_dev' has no member named 'physfn'; did you mean 'is_physfn'?
     if (dev->is_virtfn && dev->physfn->is_probed)
                              ^
   include/linux/compiler.h:160:42: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                             ^~~~
>> drivers/pci/pci-driver.c:342:2: note: in expansion of macro 'if'
     if (dev->is_virtfn && dev->physfn->is_probed)
     ^~
   drivers/pci/pci-driver.c:342:27: error: 'struct pci_dev' has no member named 'physfn'; did you mean 'is_physfn'?
     if (dev->is_virtfn && dev->physfn->is_probed)
                              ^
   include/linux/compiler.h:171:16: note: in definition of macro '__trace_if'
      ______r = !!(cond);     \
                   ^~~~
>> drivers/pci/pci-driver.c:342:2: note: in expansion of macro 'if'
     if (dev->is_virtfn && dev->physfn->is_probed)
     ^~

vim +/if +342 drivers/pci/pci-driver.c

   326		int error, node, cpu;
   327		struct drv_dev_and_id ddi = { drv, dev, id };
   328	
   329		/*
   330		 * Execute driver initialization on node where the device is
   331		 * attached.  This way the driver likely allocates its local memory
   332		 * on the right node.
   333		 */
   334		node = dev_to_node(&dev->dev);
   335		dev->is_probed = 1;
   336	
   337		cpu_hotplug_disable();
   338		/*
   339		 * Prevent nesting work_on_cpu() for the case where a Virtual Function
   340		 * device is probed from work_on_cpu() of the Physical device.
   341		 */
 > 342		if (dev->is_virtfn && dev->physfn->is_probed)
   343			cpu = nr_cpu_ids;
   344		else
   345			cpu = cpumask_any_and(cpumask_of_node(node), cpu_online_mask);
   346	
   347		if (cpu < nr_cpu_ids)
   348			error = work_on_cpu(cpu, local_pci_probe, &ddi);
   349		else
   350			error = local_pci_probe(&ddi);

---
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