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charset=us-ascii Content-Disposition: inline tree: https://github.com/gestionlin/linux.git net-next-pp-inflight-fix head: 585c4413fc2f6385d74132e13b42cba3e4123eee commit: 585c4413fc2f6385d74132e13b42cba3e4123eee [2/2] page_pool: fix IOMMU crash when driver has already unbound config: i386-defconfig (https://download.01.org/0day-ci/archive/20240918/202409181807.vDJMIpsz-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240918/202409181807.vDJMIpsz-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202409181807.vDJMIpsz-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from net/core/netdev_rx_queue.c:7: >> net/core/page_pool_priv.h:47:1: warning: non-void function does not return a value [-Wreturn-type] 47 | } | ^ 1 warning generated. vim +47 net/core/page_pool_priv.h 8ab79ed50cf10f Mina Almasry 2024-09-10 37 0f921404689398 Mina Almasry 2024-09-10 38 #if defined(CONFIG_PAGE_POOL) 585c4413fc2f63 Yunsheng Lin 2024-09-12 39 bool page_pool_set_pp_info(struct page_pool *pool, netmem_ref netmem); 585c4413fc2f63 Yunsheng Lin 2024-09-12 40 void page_pool_clear_pp_info(struct page_pool *pool, netmem_ref netmem); 0f921404689398 Mina Almasry 2024-09-10 41 int page_pool_check_memory_provider(struct net_device *dev, 0f921404689398 Mina Almasry 2024-09-10 42 struct netdev_rx_queue *rxq); 0f921404689398 Mina Almasry 2024-09-10 43 #else 585c4413fc2f63 Yunsheng Lin 2024-09-12 44 static inline bool page_pool_set_pp_info(struct page_pool *pool, 0f921404689398 Mina Almasry 2024-09-10 45 netmem_ref netmem) 0f921404689398 Mina Almasry 2024-09-10 46 { 0f921404689398 Mina Almasry 2024-09-10 @47 } 585c4413fc2f63 Yunsheng Lin 2024-09-12 48 static inline void page_pool_clear_pp_info(struct page_pool *pool, 585c4413fc2f63 Yunsheng Lin 2024-09-12 49 netmem_ref netmem) 0f921404689398 Mina Almasry 2024-09-10 50 { 0f921404689398 Mina Almasry 2024-09-10 51 } 0f921404689398 Mina Almasry 2024-09-10 52 static inline int page_pool_check_memory_provider(struct net_device *dev, 0f921404689398 Mina Almasry 2024-09-10 53 struct netdev_rx_queue *rxq) 0f921404689398 Mina Almasry 2024-09-10 54 { 0f921404689398 Mina Almasry 2024-09-10 55 return 0; 0f921404689398 Mina Almasry 2024-09-10 56 } 0f921404689398 Mina Almasry 2024-09-10 57 #endif 0f921404689398 Mina Almasry 2024-09-10 58 :::::: The code at line 47 was first introduced by commit :::::: 0f921404689398943257793f7240db239a23b609 memory-provider: dmabuf devmem memory provider :::::: TO: Mina Almasry :::::: CC: Jakub Kicinski -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki