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From: kernel test robot <lkp@intel.com>
To: Dexuan Cui <decui@microsoft.com>,
	davem@davemloft.net, kuba@kernel.org, kys@microsoft.com,
	haiyangz@microsoft.com, sthemmin@microsoft.com,
	wei.liu@kernel.org, liuwe@microsoft.com, netdev@vger.kernel.org
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	linux-hyperv@vger.kernel.org
Subject: Re: [PATCH net-next] net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)
Date: Wed, 7 Apr 2021 09:30:42 +0800	[thread overview]
Message-ID: <202104070929.mWRaVyO2-lkp@intel.com> (raw)
In-Reply-To: <20210406232321.12104-1-decui@microsoft.com>

[-- Attachment #1: Type: text/plain, Size: 20581 bytes --]

Hi Dexuan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Dexuan-Cui/net-mana-Add-a-driver-for-Microsoft-Azure-Network-Adapter-MANA/20210407-072552
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git cc0626c2aaed8e475efdd85fa374b497a7192e35
config: i386-randconfig-m021-20210406 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/f086d8bc693c2686de24a81398e49496ab3747a9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dexuan-Cui/net-mana-Add-a-driver-for-Microsoft-Azure-Network-Adapter-MANA/20210407-072552
        git checkout f086d8bc693c2686de24a81398e49496ab3747a9
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/pci/controller/pci-hyperv.c: In function 'hv_irq_unmask':
   drivers/pci/controller/pci-hyperv.c:1220:2: error: implicit declaration of function 'hv_set_msi_entry_from_desc' [-Werror=implicit-function-declaration]
    1220 |  hv_set_msi_entry_from_desc(&params->int_entry.msi_entry, msi_desc);
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pci/controller/pci-hyperv.c:1252:13: error: implicit declaration of function 'cpumask_to_vpset'; did you mean 'cpumask_subset'? [-Werror=implicit-function-declaration]
    1252 |   nr_bank = cpumask_to_vpset(&params->int_target.vp_set, tmp);
         |             ^~~~~~~~~~~~~~~~
         |             cpumask_subset
   drivers/pci/controller/pci-hyperv.c:1269:14: error: implicit declaration of function 'hv_cpu_number_to_vp_number' [-Werror=implicit-function-declaration]
    1269 |     (1ULL << hv_cpu_number_to_vp_number(cpu));
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pci/controller/pci-hyperv.c: In function 'prepopulate_bars':
>> drivers/pci/controller/pci-hyperv.c:1756:26: warning: right shift count >= width of type [-Wshift-count-overflow]
    1756 |       4, (u32)(high_base >> 32));
         |                          ^~
   drivers/pci/controller/pci-hyperv.c: In function 'hv_pci_onchannelcallback':
>> drivers/pci/controller/pci-hyperv.c:2438:18: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    2438 |    comp_packet = (struct pci_packet *)req_id;
         |                  ^
   In file included from include/linux/device.h:15,
                    from include/linux/pci.h:37,
                    from drivers/pci/controller/pci-hyperv.c:42:
   drivers/pci/controller/pci-hyperv.c: In function 'hv_pci_allocate_bridge_windows':
>> drivers/pci/controller/pci-hyperv.c:2675:5: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
    2675 |     "Need %#llx of low MMIO space. Consider reconfiguring the VM.\n",
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/pci/controller/pci-hyperv.c:2674:4: note: in expansion of macro 'dev_err'
    2674 |    dev_err(&hbus->hdev->device,
         |    ^~~~~~~
   drivers/pci/controller/pci-hyperv.c:2675:15: note: format string is defined here
    2675 |     "Need %#llx of low MMIO space. Consider reconfiguring the VM.\n",
         |           ~~~~^
         |               |
         |               long long unsigned int
         |           %#x
>> drivers/pci/controller/pci-hyperv.c:2690:8: warning: unsigned conversion from 'long long int' to 'resource_size_t' {aka 'unsigned int'} changes value from '4294967296' to '0' [-Woverflow]
    2690 |        0x100000000, -1,
         |        ^~~~~~~~~~~
   In file included from include/linux/device.h:15,
                    from include/linux/pci.h:37,
                    from drivers/pci/controller/pci-hyperv.c:42:
   drivers/pci/controller/pci-hyperv.c:2695:5: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
    2695 |     "Need %#llx of high MMIO space. Consider reconfiguring the VM.\n",
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/pci/controller/pci-hyperv.c:2694:4: note: in expansion of macro 'dev_err'
    2694 |    dev_err(&hbus->hdev->device,
         |    ^~~~~~~
   drivers/pci/controller/pci-hyperv.c:2695:15: note: format string is defined here
    2695 |     "Need %#llx of high MMIO space. Consider reconfiguring the VM.\n",
         |           ~~~~^
         |               |
         |               long long unsigned int
         |           %#x
   cc1: some warnings being treated as errors
--
   drivers/net/ethernet/microsoft/mana/gdma_main.c: In function 'gdma_r64':
   drivers/net/ethernet/microsoft/mana/gdma_main.c:18:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
      18 |  return readq(g->bar0_va + offset);
         |         ^~~~~
         |         readl
   drivers/net/ethernet/microsoft/mana/gdma_main.c: In function 'gdma_ring_doorbell':
   drivers/net/ethernet/microsoft/mana/gdma_main.c:259:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
     259 |  writeq(e.as_uint64, addr);
         |  ^~~~~~
         |  writel
   drivers/net/ethernet/microsoft/mana/gdma_main.c: In function 'gdma_write_sgl':
>> drivers/net/ethernet/microsoft/mana/gdma_main.c:1090:14: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    1090 |    address = (u8 *)wqe_req->sgl[i].address;
         |              ^
   cc1: some warnings being treated as errors
--
   drivers/net/ethernet/microsoft/mana/hw_channel.c: In function 'hwc_post_rx_wqe':
>> drivers/net/ethernet/microsoft/mana/hw_channel.c:88:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      88 |  sge->address = (u64)req->buf_sge_addr;
         |                 ^
   drivers/net/ethernet/microsoft/mana/hw_channel.c: In function 'hwc_post_tx_wqe':
   drivers/net/ethernet/microsoft/mana/hw_channel.c:542:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     542 |  sge->address = (u64)req->buf_sge_addr;
         |                 ^

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PCI_HYPERV
   Depends on PCI && X86_64 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && SYSFS
   Selected by
   - MICROSOFT_MANA && NETDEVICES && ETHERNET && NET_VENDOR_MICROSOFT && PCI_MSI


vim +1756 drivers/pci/controller/pci-hyperv.c

4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1671  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1672  /**
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1673   * prepopulate_bars() - Fill in BARs with defaults
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1674   * @hbus:	Root PCI bus, as understood by this driver
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1675   *
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1676   * The core PCI driver code seems much, much happier if the BARs
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1677   * for a device have values upon first scan. So fill them in.
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1678   * The algorithm below works down from large sizes to small,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1679   * attempting to pack the assignments optimally. The assumption,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1680   * enforced in other parts of the code, is that the beginning of
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1681   * the memory-mapped I/O space will be aligned on the largest
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1682   * BAR size.
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1683   */
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1684  static void prepopulate_bars(struct hv_pcibus_device *hbus)
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1685  {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1686  	resource_size_t high_size = 0;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1687  	resource_size_t low_size = 0;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1688  	resource_size_t high_base = 0;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1689  	resource_size_t low_base = 0;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1690  	resource_size_t bar_size;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1691  	struct hv_pci_dev *hpdev;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1692  	unsigned long flags;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1693  	u64 bar_val;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1694  	u32 command;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1695  	bool high;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1696  	int i;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1697  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1698  	if (hbus->low_mmio_space) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1699  		low_size = 1ULL << (63 - __builtin_clzll(hbus->low_mmio_space));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1700  		low_base = hbus->low_mmio_res->start;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1701  	}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1702  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1703  	if (hbus->high_mmio_space) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1704  		high_size = 1ULL <<
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1705  			(63 - __builtin_clzll(hbus->high_mmio_space));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1706  		high_base = hbus->high_mmio_res->start;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1707  	}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1708  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1709  	spin_lock_irqsave(&hbus->device_list_lock, flags);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1710  
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1711  	/*
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1712  	 * Clear the memory enable bit, in case it's already set. This occurs
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1713  	 * in the suspend path of hibernation, where the device is suspended,
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1714  	 * resumed and suspended again: see hibernation_snapshot() and
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1715  	 * hibernation_platform_enter().
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1716  	 *
c77bfb54174308 drivers/pci/controller/pci-hyperv.c Bjorn Helgaas     2021-01-26  1717  	 * If the memory enable bit is already set, Hyper-V silently ignores
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1718  	 * the below BAR updates, and the related PCI device driver can not
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1719  	 * work, because reading from the device register(s) always returns
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1720  	 * 0xFFFFFFFF.
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1721  	 */
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1722  	list_for_each_entry(hpdev, &hbus->children, list_entry) {
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1723  		_hv_pcifront_read_config(hpdev, PCI_COMMAND, 2, &command);
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1724  		command &= ~PCI_COMMAND_MEMORY;
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1725  		_hv_pcifront_write_config(hpdev, PCI_COMMAND, 2, command);
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1726  	}
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1727  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1728  	/* Pick addresses for the BARs. */
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1729  	do {
5b8db8f66e08fa drivers/pci/host/pci-hyperv.c       Stephen Hemminger 2018-05-23  1730  		list_for_each_entry(hpdev, &hbus->children, list_entry) {
c9c13ba428ef90 drivers/pci/controller/pci-hyperv.c Denis Efremov     2019-09-28  1731  			for (i = 0; i < PCI_STD_NUM_BARS; i++) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1732  				bar_val = hpdev->probed_bar[i];
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1733  				if (bar_val == 0)
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1734  					continue;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1735  				high = bar_val & PCI_BASE_ADDRESS_MEM_TYPE_64;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1736  				if (high) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1737  					bar_val |=
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1738  						((u64)hpdev->probed_bar[i + 1]
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1739  						 << 32);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1740  				} else {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1741  					bar_val |= 0xffffffffULL << 32;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1742  				}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1743  				bar_size = get_bar_size(bar_val);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1744  				if (high) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1745  					if (high_size != bar_size) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1746  						i++;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1747  						continue;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1748  					}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1749  					_hv_pcifront_write_config(hpdev,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1750  						PCI_BASE_ADDRESS_0 + (4 * i),
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1751  						4,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1752  						(u32)(high_base & 0xffffff00));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1753  					i++;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1754  					_hv_pcifront_write_config(hpdev,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1755  						PCI_BASE_ADDRESS_0 + (4 * i),
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16 @1756  						4, (u32)(high_base >> 32));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1757  					high_base += bar_size;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1758  				} else {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1759  					if (low_size != bar_size)
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1760  						continue;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1761  					_hv_pcifront_write_config(hpdev,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1762  						PCI_BASE_ADDRESS_0 + (4 * i),
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1763  						4,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1764  						(u32)(low_base & 0xffffff00));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1765  					low_base += bar_size;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1766  				}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1767  			}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1768  			if (high_size <= 1 && low_size <= 1) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1769  				/* Set the memory enable bit. */
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1770  				_hv_pcifront_read_config(hpdev, PCI_COMMAND, 2,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1771  							 &command);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1772  				command |= PCI_COMMAND_MEMORY;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1773  				_hv_pcifront_write_config(hpdev, PCI_COMMAND, 2,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1774  							  command);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1775  				break;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1776  			}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1777  		}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1778  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1779  		high_size >>= 1;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1780  		low_size >>= 1;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1781  	}  while (high_size || low_size);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1782  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1783  	spin_unlock_irqrestore(&hbus->device_list_lock, flags);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1784  }
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1785  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 40247 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH net-next] net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)
Date: Wed, 07 Apr 2021 09:30:42 +0800	[thread overview]
Message-ID: <202104070929.mWRaVyO2-lkp@intel.com> (raw)
In-Reply-To: <20210406232321.12104-1-decui@microsoft.com>

[-- Attachment #1: Type: text/plain, Size: 20820 bytes --]

Hi Dexuan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Dexuan-Cui/net-mana-Add-a-driver-for-Microsoft-Azure-Network-Adapter-MANA/20210407-072552
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git cc0626c2aaed8e475efdd85fa374b497a7192e35
config: i386-randconfig-m021-20210406 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/f086d8bc693c2686de24a81398e49496ab3747a9
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dexuan-Cui/net-mana-Add-a-driver-for-Microsoft-Azure-Network-Adapter-MANA/20210407-072552
        git checkout f086d8bc693c2686de24a81398e49496ab3747a9
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/pci/controller/pci-hyperv.c: In function 'hv_irq_unmask':
   drivers/pci/controller/pci-hyperv.c:1220:2: error: implicit declaration of function 'hv_set_msi_entry_from_desc' [-Werror=implicit-function-declaration]
    1220 |  hv_set_msi_entry_from_desc(&params->int_entry.msi_entry, msi_desc);
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pci/controller/pci-hyperv.c:1252:13: error: implicit declaration of function 'cpumask_to_vpset'; did you mean 'cpumask_subset'? [-Werror=implicit-function-declaration]
    1252 |   nr_bank = cpumask_to_vpset(&params->int_target.vp_set, tmp);
         |             ^~~~~~~~~~~~~~~~
         |             cpumask_subset
   drivers/pci/controller/pci-hyperv.c:1269:14: error: implicit declaration of function 'hv_cpu_number_to_vp_number' [-Werror=implicit-function-declaration]
    1269 |     (1ULL << hv_cpu_number_to_vp_number(cpu));
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pci/controller/pci-hyperv.c: In function 'prepopulate_bars':
>> drivers/pci/controller/pci-hyperv.c:1756:26: warning: right shift count >= width of type [-Wshift-count-overflow]
    1756 |       4, (u32)(high_base >> 32));
         |                          ^~
   drivers/pci/controller/pci-hyperv.c: In function 'hv_pci_onchannelcallback':
>> drivers/pci/controller/pci-hyperv.c:2438:18: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    2438 |    comp_packet = (struct pci_packet *)req_id;
         |                  ^
   In file included from include/linux/device.h:15,
                    from include/linux/pci.h:37,
                    from drivers/pci/controller/pci-hyperv.c:42:
   drivers/pci/controller/pci-hyperv.c: In function 'hv_pci_allocate_bridge_windows':
>> drivers/pci/controller/pci-hyperv.c:2675:5: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
    2675 |     "Need %#llx of low MMIO space. Consider reconfiguring the VM.\n",
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/pci/controller/pci-hyperv.c:2674:4: note: in expansion of macro 'dev_err'
    2674 |    dev_err(&hbus->hdev->device,
         |    ^~~~~~~
   drivers/pci/controller/pci-hyperv.c:2675:15: note: format string is defined here
    2675 |     "Need %#llx of low MMIO space. Consider reconfiguring the VM.\n",
         |           ~~~~^
         |               |
         |               long long unsigned int
         |           %#x
>> drivers/pci/controller/pci-hyperv.c:2690:8: warning: unsigned conversion from 'long long int' to 'resource_size_t' {aka 'unsigned int'} changes value from '4294967296' to '0' [-Woverflow]
    2690 |        0x100000000, -1,
         |        ^~~~~~~~~~~
   In file included from include/linux/device.h:15,
                    from include/linux/pci.h:37,
                    from drivers/pci/controller/pci-hyperv.c:42:
   drivers/pci/controller/pci-hyperv.c:2695:5: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
    2695 |     "Need %#llx of high MMIO space. Consider reconfiguring the VM.\n",
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
      19 | #define dev_fmt(fmt) fmt
         |                      ^~~
   drivers/pci/controller/pci-hyperv.c:2694:4: note: in expansion of macro 'dev_err'
    2694 |    dev_err(&hbus->hdev->device,
         |    ^~~~~~~
   drivers/pci/controller/pci-hyperv.c:2695:15: note: format string is defined here
    2695 |     "Need %#llx of high MMIO space. Consider reconfiguring the VM.\n",
         |           ~~~~^
         |               |
         |               long long unsigned int
         |           %#x
   cc1: some warnings being treated as errors
--
   drivers/net/ethernet/microsoft/mana/gdma_main.c: In function 'gdma_r64':
   drivers/net/ethernet/microsoft/mana/gdma_main.c:18:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
      18 |  return readq(g->bar0_va + offset);
         |         ^~~~~
         |         readl
   drivers/net/ethernet/microsoft/mana/gdma_main.c: In function 'gdma_ring_doorbell':
   drivers/net/ethernet/microsoft/mana/gdma_main.c:259:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
     259 |  writeq(e.as_uint64, addr);
         |  ^~~~~~
         |  writel
   drivers/net/ethernet/microsoft/mana/gdma_main.c: In function 'gdma_write_sgl':
>> drivers/net/ethernet/microsoft/mana/gdma_main.c:1090:14: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
    1090 |    address = (u8 *)wqe_req->sgl[i].address;
         |              ^
   cc1: some warnings being treated as errors
--
   drivers/net/ethernet/microsoft/mana/hw_channel.c: In function 'hwc_post_rx_wqe':
>> drivers/net/ethernet/microsoft/mana/hw_channel.c:88:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
      88 |  sge->address = (u64)req->buf_sge_addr;
         |                 ^
   drivers/net/ethernet/microsoft/mana/hw_channel.c: In function 'hwc_post_tx_wqe':
   drivers/net/ethernet/microsoft/mana/hw_channel.c:542:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     542 |  sge->address = (u64)req->buf_sge_addr;
         |                 ^

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PCI_HYPERV
   Depends on PCI && X86_64 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && SYSFS
   Selected by
   - MICROSOFT_MANA && NETDEVICES && ETHERNET && NET_VENDOR_MICROSOFT && PCI_MSI


vim +1756 drivers/pci/controller/pci-hyperv.c

4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1671  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1672  /**
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1673   * prepopulate_bars() - Fill in BARs with defaults
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1674   * @hbus:	Root PCI bus, as understood by this driver
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1675   *
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1676   * The core PCI driver code seems much, much happier if the BARs
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1677   * for a device have values upon first scan. So fill them in.
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1678   * The algorithm below works down from large sizes to small,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1679   * attempting to pack the assignments optimally. The assumption,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1680   * enforced in other parts of the code, is that the beginning of
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1681   * the memory-mapped I/O space will be aligned on the largest
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1682   * BAR size.
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1683   */
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1684  static void prepopulate_bars(struct hv_pcibus_device *hbus)
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1685  {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1686  	resource_size_t high_size = 0;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1687  	resource_size_t low_size = 0;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1688  	resource_size_t high_base = 0;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1689  	resource_size_t low_base = 0;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1690  	resource_size_t bar_size;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1691  	struct hv_pci_dev *hpdev;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1692  	unsigned long flags;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1693  	u64 bar_val;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1694  	u32 command;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1695  	bool high;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1696  	int i;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1697  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1698  	if (hbus->low_mmio_space) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1699  		low_size = 1ULL << (63 - __builtin_clzll(hbus->low_mmio_space));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1700  		low_base = hbus->low_mmio_res->start;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1701  	}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1702  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1703  	if (hbus->high_mmio_space) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1704  		high_size = 1ULL <<
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1705  			(63 - __builtin_clzll(hbus->high_mmio_space));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1706  		high_base = hbus->high_mmio_res->start;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1707  	}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1708  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1709  	spin_lock_irqsave(&hbus->device_list_lock, flags);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1710  
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1711  	/*
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1712  	 * Clear the memory enable bit, in case it's already set. This occurs
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1713  	 * in the suspend path of hibernation, where the device is suspended,
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1714  	 * resumed and suspended again: see hibernation_snapshot() and
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1715  	 * hibernation_platform_enter().
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1716  	 *
c77bfb54174308 drivers/pci/controller/pci-hyperv.c Bjorn Helgaas     2021-01-26  1717  	 * If the memory enable bit is already set, Hyper-V silently ignores
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1718  	 * the below BAR updates, and the related PCI device driver can not
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1719  	 * work, because reading from the device register(s) always returns
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1720  	 * 0xFFFFFFFF.
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1721  	 */
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1722  	list_for_each_entry(hpdev, &hbus->children, list_entry) {
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1723  		_hv_pcifront_read_config(hpdev, PCI_COMMAND, 2, &command);
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1724  		command &= ~PCI_COMMAND_MEMORY;
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1725  		_hv_pcifront_write_config(hpdev, PCI_COMMAND, 2, command);
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1726  	}
ac82fc83270884 drivers/pci/controller/pci-hyperv.c Dexuan Cui        2019-11-24  1727  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1728  	/* Pick addresses for the BARs. */
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1729  	do {
5b8db8f66e08fa drivers/pci/host/pci-hyperv.c       Stephen Hemminger 2018-05-23  1730  		list_for_each_entry(hpdev, &hbus->children, list_entry) {
c9c13ba428ef90 drivers/pci/controller/pci-hyperv.c Denis Efremov     2019-09-28  1731  			for (i = 0; i < PCI_STD_NUM_BARS; i++) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1732  				bar_val = hpdev->probed_bar[i];
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1733  				if (bar_val == 0)
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1734  					continue;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1735  				high = bar_val & PCI_BASE_ADDRESS_MEM_TYPE_64;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1736  				if (high) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1737  					bar_val |=
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1738  						((u64)hpdev->probed_bar[i + 1]
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1739  						 << 32);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1740  				} else {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1741  					bar_val |= 0xffffffffULL << 32;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1742  				}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1743  				bar_size = get_bar_size(bar_val);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1744  				if (high) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1745  					if (high_size != bar_size) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1746  						i++;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1747  						continue;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1748  					}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1749  					_hv_pcifront_write_config(hpdev,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1750  						PCI_BASE_ADDRESS_0 + (4 * i),
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1751  						4,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1752  						(u32)(high_base & 0xffffff00));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1753  					i++;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1754  					_hv_pcifront_write_config(hpdev,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1755  						PCI_BASE_ADDRESS_0 + (4 * i),
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16 @1756  						4, (u32)(high_base >> 32));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1757  					high_base += bar_size;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1758  				} else {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1759  					if (low_size != bar_size)
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1760  						continue;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1761  					_hv_pcifront_write_config(hpdev,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1762  						PCI_BASE_ADDRESS_0 + (4 * i),
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1763  						4,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1764  						(u32)(low_base & 0xffffff00));
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1765  					low_base += bar_size;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1766  				}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1767  			}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1768  			if (high_size <= 1 && low_size <= 1) {
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1769  				/* Set the memory enable bit. */
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1770  				_hv_pcifront_read_config(hpdev, PCI_COMMAND, 2,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1771  							 &command);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1772  				command |= PCI_COMMAND_MEMORY;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1773  				_hv_pcifront_write_config(hpdev, PCI_COMMAND, 2,
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1774  							  command);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1775  				break;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1776  			}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1777  		}
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1778  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1779  		high_size >>= 1;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1780  		low_size >>= 1;
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1781  	}  while (high_size || low_size);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1782  
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1783  	spin_unlock_irqrestore(&hbus->device_list_lock, flags);
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1784  }
4daace0d8ce851 drivers/pci/host/pci-hyperv.c       Jake Oshins       2016-02-16  1785  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 40247 bytes --]

  parent reply	other threads:[~2021-04-07  1:31 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-06 23:23 [PATCH net-next] net: mana: Add a driver for Microsoft Azure Network Adapter (MANA) Dexuan Cui
2021-04-07  1:07 ` Andrew Lunn
2021-04-07  8:02   ` Dexuan Cui
2021-04-07  8:15     ` Leon Romanovsky
2021-04-07  8:28       ` Dexuan Cui
2021-04-07 12:44         ` Leon Romanovsky
2021-04-07 21:59           ` Dexuan Cui
2021-04-07 22:37             ` Bernd Petrovitsch
2021-04-08  7:30             ` Leon Romanovsky
2021-04-07 12:19     ` Andrew Lunn
2021-04-07  1:30 ` kernel test robot [this message]
2021-04-07  1:30   ` kernel test robot
2021-04-07  8:08   ` Dexuan Cui
2021-04-07  8:08   ` Dexuan Cui
2021-04-07 13:02     ` Wei Liu
2021-04-07 13:02       ` Wei Liu
2021-04-07  1:52 ` kernel test robot
2021-04-07  1:52   ` kernel test robot
2021-04-07  1:53 ` kernel test robot
2021-04-07  1:53   ` kernel test robot
2021-04-07  8:10 ` Leon Romanovsky
2021-04-07  8:40   ` Dexuan Cui
2021-04-07 12:51     ` Leon Romanovsky
2021-04-07 14:41       ` Haiyang Zhang
2021-04-07 14:55         ` Leon Romanovsky
2021-04-07 15:05           ` Haiyang Zhang
2021-04-07 17:07             ` Leon Romanovsky
2021-04-07 13:17 ` Wei Liu
2021-04-07 14:34   ` Haiyang Zhang
2021-04-07 15:00     ` Wei Liu
2021-04-07 15:16       ` Haiyang Zhang

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