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Message-ID: <202508141517.TTc9sw7w-lkp@intel.com>
Date: Thu, 14 Aug 2025 15:54:36 +0800
From: kernel test robot <lkp@...el.com>
To: Bhargava Marreddy <bhargava.marreddy@...adcom.com>, davem@...emloft.net,
edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
andrew+netdev@...n.ch, horms@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
michael.chan@...adcom.com, pavan.chebbi@...adcom.com,
vsrama-krishna.nemani@...adcom.com,
Bhargava Marreddy <bhargava.marreddy@...adcom.com>,
Vikas Gupta <vikas.gupta@...adcom.com>,
Rajashekar Hudumula <rajashekar.hudumula@...adcom.com>
Subject: Re: [net-next 7/9] bng_en: Register rings with the firmware
Hi Bhargava,
kernel test robot noticed the following build errors:
[auto build test ERROR on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Bhargava-Marreddy/bng_en-Add-initial-support-for-RX-and-TX-rings/20250814-004339
base: net-next/main
patch link: https://lore.kernel.org/r/20250813215603.76526-8-bhargava.marreddy%40broadcom.com
patch subject: [net-next 7/9] bng_en: Register rings with the firmware
config: um-randconfig-002-20250814 (https://download.01.org/0day-ci/archive/20250814/202508141517.TTc9sw7w-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 3769ce013be2879bf0b329c14a16f5cb766f26ce)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250814/202508141517.TTc9sw7w-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508141517.TTc9sw7w-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/net/ethernet/broadcom/bnge/bnge_core.c:5:
In file included from include/linux/crash_dump.h:5:
In file included from include/linux/kexec.h:20:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
In file included from drivers/net/ethernet/broadcom/bnge/bnge_core.c:9:
In file included from drivers/net/ethernet/broadcom/bnge/bnge.h:13:
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.h:7:
>> drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:430:15: error: incomplete definition of type 'struct bnge_dev'
430 | spin_lock(&bd->db_lock);
| ~~^
drivers/net/ethernet/broadcom/bnge/bnge_rmem.h:8:8: note: forward declaration of 'struct bnge_dev'
8 | struct bnge_dev;
| ^
In file included from drivers/net/ethernet/broadcom/bnge/bnge_core.c:9:
In file included from drivers/net/ethernet/broadcom/bnge/bnge.h:13:
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.h:7:
>> drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:431:2: error: call to undeclared function 'lo_hi_writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
431 | lo_hi_writeq(val, addr);
| ^
drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:432:17: error: incomplete definition of type 'struct bnge_dev'
432 | spin_unlock(&bd->db_lock);
| ~~^
drivers/net/ethernet/broadcom/bnge/bnge_rmem.h:8:8: note: forward declaration of 'struct bnge_dev'
8 | struct bnge_dev;
| ^
drivers/net/ethernet/broadcom/bnge/bnge_core.c:177:40: warning: shift count >= width of type [-Wshift-count-overflow]
177 | dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
| ^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:73:54: note: expanded from macro 'DMA_BIT_MASK'
73 | #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
| ^ ~~~
2 warnings and 3 errors generated.
--
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.c:6:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.c:10:
In file included from drivers/net/ethernet/broadcom/bnge/bnge.h:13:
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.h:7:
>> drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:430:15: error: incomplete definition of type 'struct bnge_dev'
430 | spin_lock(&bd->db_lock);
| ~~^
drivers/net/ethernet/broadcom/bnge/bnge_rmem.h:8:8: note: forward declaration of 'struct bnge_dev'
8 | struct bnge_dev;
| ^
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.c:10:
In file included from drivers/net/ethernet/broadcom/bnge/bnge.h:13:
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.h:7:
>> drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:431:2: error: call to undeclared function 'lo_hi_writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
431 | lo_hi_writeq(val, addr);
| ^
drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:432:17: error: incomplete definition of type 'struct bnge_dev'
432 | spin_unlock(&bd->db_lock);
| ~~^
drivers/net/ethernet/broadcom/bnge/bnge_rmem.h:8:8: note: forward declaration of 'struct bnge_dev'
8 | struct bnge_dev;
| ^
1 warning and 3 errors generated.
--
In file included from drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.c:7:
In file included from include/linux/pci.h:38:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
In file included from drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.c:10:
In file included from drivers/net/ethernet/broadcom/bnge/bnge.h:13:
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.h:7:
>> drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:430:15: error: incomplete definition of type 'struct bnge_dev'
430 | spin_lock(&bd->db_lock);
| ~~^
drivers/net/ethernet/broadcom/bnge/bnge_rmem.h:8:8: note: forward declaration of 'struct bnge_dev'
8 | struct bnge_dev;
| ^
In file included from drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.c:10:
In file included from drivers/net/ethernet/broadcom/bnge/bnge.h:13:
In file included from drivers/net/ethernet/broadcom/bnge/bnge_resc.h:7:
>> drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:431:2: error: call to undeclared function 'lo_hi_writeq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
431 | lo_hi_writeq(val, addr);
| ^
drivers/net/ethernet/broadcom/bnge/bnge_netdev.h:432:17: error: incomplete definition of type 'struct bnge_dev'
432 | spin_unlock(&bd->db_lock);
| ~~^
drivers/net/ethernet/broadcom/bnge/bnge_rmem.h:8:8: note: forward declaration of 'struct bnge_dev'
8 | struct bnge_dev;
| ^
drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.c:768:32: warning: variable 'resp' set but not used [-Wunused-but-set-variable]
768 | struct hwrm_ring_free_output *resp;
| ^
2 warnings and 3 errors generated.
vim +430 drivers/net/ethernet/broadcom/bnge/bnge_netdev.h
425
426 static inline void bnge_writeq(struct bnge_dev *bd, u64 val,
427 void __iomem *addr)
428 {
429 #if BITS_PER_LONG == 32
> 430 spin_lock(&bd->db_lock);
> 431 lo_hi_writeq(val, addr);
432 spin_unlock(&bd->db_lock);
433 #else
434 writeq(val, addr);
435 #endif
436 }
437
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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