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X-CSE-ConnectionGUID: idhDEBreT8y2wyAVKcDvQw== X-CSE-MsgGUID: 0Fdu2lRhQjenQbYAv0rTEw== X-IronPort-AV: E=McAfee;i="6800,10657,11761"; a="77568396" X-IronPort-AV: E=Sophos;i="6.23,181,1770624000"; d="scan'208";a="77568396" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2026 14:16:23 -0700 X-CSE-ConnectionGUID: aVh895c1Rfi2fYDTUq90LQ== X-CSE-MsgGUID: nPgs5eRoRVKF2EkL1wAFFA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,181,1770624000"; d="scan'208";a="228178718" Received: from lkp-server01.sh.intel.com (HELO 7f3b36e5d6a5) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 16 Apr 2026 14:16:20 -0700 Received: from kbuild by 7f3b36e5d6a5 with local (Exim 4.98.2) (envelope-from ) id 1wDU4Q-000000001xQ-0sMY; Thu, 16 Apr 2026 21:16:18 +0000 Date: Fri, 17 Apr 2026 05:15:20 +0800 From: kernel test robot To: Daniel Borkmann Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [cilium:pr/bpf-tproxy 8/8] drivers/net/ethernet/sfc/ef100_rx.c:176:3: warning: shift count is negative Message-ID: <202604170525.XFv5pb6f-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/cilium/linux.git pr/bpf-tproxy head: 27d1eafb8d37f1b272a991077d3bd1bb312118a9 commit: 27d1eafb8d37f1b272a991077d3bd1bb312118a9 [8/8] bpf: Support SOCK_RCU_FREE sockets in bpf_sk_assign on egress config: i386-buildonly-randconfig-003-20260416 (https://download.01.org/0day-ci/archive/20260417/202604170525.XFv5pb6f-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260417/202604170525.XFv5pb6f-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/202604170525.XFv5pb6f-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/net/ethernet/sfc/ef100_rx.c:11: In file included from drivers/net/ethernet/sfc/net_driver.h:28: In file included from include/net/busy_poll.h:18: In file included from include/net/ip.h:29: In file included from include/net/inet_sock.h:24: include/net/request_sock.h:117:29: error: use of undeclared identifier 'sock_pfree_ref'; did you mean 'sock_kfree_s'? 117 | skb->destructor == sock_pfree_ref; | ^~~~~~~~~~~~~~ | sock_kfree_s include/net/sock.h:1901:6: note: 'sock_kfree_s' declared here 1901 | void sock_kfree_s(struct sock *sk, void *mem, int size); | ^ >> drivers/net/ethernet/sfc/ef100_rx.c:176:3: warning: shift count is negative [-Wshift-count-negative] 176 | EFX_QWORD_FIELD(*p_event, ESF_GZ_EV_RXPKTS_NUM_PKT); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:231:26: note: expanded from macro 'EFX_QWORD_FIELD' 231 | #define EFX_QWORD_FIELD EFX_QWORD_FIELD32 | ^ drivers/net/ethernet/sfc/bitfield.h:183:2: note: expanded from macro 'EFX_QWORD_FIELD32' 183 | EFX_EXTRACT_QWORD32(qword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 184 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:163:4: note: expanded from macro 'EFX_EXTRACT_QWORD32' 163 | EFX_EXTRACT32((qword).u32[1], 32, 63, low, high)) & \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:143:2: note: expanded from macro 'EFX_EXTRACT32' 143 | EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:128:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 128 | (native_element) >> ((low) - (min)) : \ | ^ ~~~~~~~~~~~~~~~ >> drivers/net/ethernet/sfc/ef100_rx.c:176:3: warning: shift count >= width of type [-Wshift-count-overflow] 176 | EFX_QWORD_FIELD(*p_event, ESF_GZ_EV_RXPKTS_NUM_PKT); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:231:26: note: expanded from macro 'EFX_QWORD_FIELD' 231 | #define EFX_QWORD_FIELD EFX_QWORD_FIELD32 | ^ drivers/net/ethernet/sfc/bitfield.h:183:2: note: expanded from macro 'EFX_QWORD_FIELD32' 183 | EFX_EXTRACT_QWORD32(qword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 184 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:163:4: note: expanded from macro 'EFX_EXTRACT_QWORD32' 163 | EFX_EXTRACT32((qword).u32[1], 32, 63, low, high)) & \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:143:2: note: expanded from macro 'EFX_EXTRACT32' 143 | EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:129:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 129 | (native_element) << ((min) - (low))) | ^ ~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/ef100_rx.c:205:3: warning: shift count is negative [-Wshift-count-negative] 205 | EFX_POPULATE_QWORD_1(*rxd, ESF_GZ_RX_BUF_ADDR, rx_buf->dma_addr); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:440:2: note: expanded from macro 'EFX_POPULATE_QWORD_1' 440 | EFX_POPULATE_QWORD_2(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:438:2: note: expanded from macro 'EFX_POPULATE_QWORD_2' 438 | EFX_POPULATE_QWORD_3(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:436:2: note: expanded from macro 'EFX_POPULATE_QWORD_3' 436 | EFX_POPULATE_QWORD_4(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 21 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) drivers/net/ethernet/sfc/bitfield.h:258:3: note: expanded from macro 'EFX_INSERT_NATIVE' 258 | EFX_INSERT_NATIVE64(min, max, low, high, value) : \ | ^ drivers/net/ethernet/sfc/bitfield.h:247:21: note: expanded from macro 'EFX_INSERT_NATIVE64' 247 | (((u64) (value)) << (low - min)) : \ | ^ include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro '__cpu_to_le32' 34 | #define __cpu_to_le32(x) ((__force __le32)(__u32)(x)) | ^ drivers/net/ethernet/sfc/ef100_rx.c:205:3: warning: shift count is negative [-Wshift-count-negative] 205 | EFX_POPULATE_QWORD_1(*rxd, ESF_GZ_RX_BUF_ADDR, rx_buf->dma_addr); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:440:2: note: expanded from macro 'EFX_POPULATE_QWORD_1' 440 | EFX_POPULATE_QWORD_2(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:438:2: note: expanded from macro 'EFX_POPULATE_QWORD_2' 438 | EFX_POPULATE_QWORD_3(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:436:2: note: expanded from macro 'EFX_POPULATE_QWORD_3' 436 | EFX_POPULATE_QWORD_4(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 21 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) drivers/net/ethernet/sfc/bitfield.h:259:3: note: expanded from macro 'EFX_INSERT_NATIVE' 259 | EFX_INSERT_NATIVE32(min, max, low, high, value)) | ^ drivers/net/ethernet/sfc/bitfield.h:253:21: note: expanded from macro 'EFX_INSERT_NATIVE32' 253 | (((u32) (value)) << (low - min)) : \ | ^ include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro '__cpu_to_le32' 34 | #define __cpu_to_le32(x) ((__force __le32)(__u32)(x)) | ^ drivers/net/ethernet/sfc/ef100_rx.c:205:3: warning: shift count >= width of type [-Wshift-count-overflow] 205 | EFX_POPULATE_QWORD_1(*rxd, ESF_GZ_RX_BUF_ADDR, rx_buf->dma_addr); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:440:2: note: expanded from macro 'EFX_POPULATE_QWORD_1' 440 | EFX_POPULATE_QWORD_2(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:438:2: note: expanded from macro 'EFX_POPULATE_QWORD_2' 438 | EFX_POPULATE_QWORD_3(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:436:2: note: expanded from macro 'EFX_POPULATE_QWORD_3' 436 | EFX_POPULATE_QWORD_4(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 21 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) drivers/net/ethernet/sfc/bitfield.h:259:3: note: expanded from macro 'EFX_INSERT_NATIVE' 259 | EFX_INSERT_NATIVE32(min, max, low, high, value)) | ^ drivers/net/ethernet/sfc/bitfield.h:254:21: note: expanded from macro 'EFX_INSERT_NATIVE32' 254 | (((u32) (value)) >> (min - low)))) | ^ include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro '__cpu_to_le32' 34 | #define __cpu_to_le32(x) ((__force __le32)(__u32)(x)) | ^ drivers/net/ethernet/sfc/ef100_rx.c:205:3: warning: shift count is negative [-Wshift-count-negative] 205 | EFX_POPULATE_QWORD_1(*rxd, ESF_GZ_RX_BUF_ADDR, rx_buf->dma_addr); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:440:2: note: expanded from macro 'EFX_POPULATE_QWORD_1' 440 | EFX_POPULATE_QWORD_2(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:438:2: note: expanded from macro 'EFX_POPULATE_QWORD_2' 438 | EFX_POPULATE_QWORD_3(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:436:2: note: expanded from macro 'EFX_POPULATE_QWORD_3' 436 | EFX_POPULATE_QWORD_4(qword, EFX_DUMMY_FIELD, 0, __VA_ARGS__) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ note: (skipping 21 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) drivers/net/ethernet/sfc/bitfield.h:258:3: note: expanded from macro 'EFX_INSERT_NATIVE' 258 | EFX_INSERT_NATIVE64(min, max, low, high, value) : \ -- In file included from drivers/net/ethernet/sfc/mcdi_port.c:12: In file included from drivers/net/ethernet/sfc/efx.h:12: In file included from drivers/net/ethernet/sfc/net_driver.h:28: In file included from include/net/busy_poll.h:18: In file included from include/net/ip.h:29: In file included from include/net/inet_sock.h:24: include/net/request_sock.h:117:29: error: use of undeclared identifier 'sock_pfree_ref'; did you mean 'sock_kfree_s'? 117 | skb->destructor == sock_pfree_ref; | ^~~~~~~~~~~~~~ | sock_kfree_s include/net/sock.h:1901:6: note: 'sock_kfree_s' declared here 1901 | void sock_kfree_s(struct sock *sk, void *mem, int size); | ^ >> drivers/net/ethernet/sfc/mcdi_port.c:41:9: warning: shift count >= width of type [-Wshift-count-overflow] 41 | return MCDI_DWORD(outbuf, GET_LINK_OUT_MAC_FAULT) != 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/mcdi.h:257:2: note: expanded from macro 'MCDI_DWORD' 257 | EFX_DWORD_FIELD(*_MCDI_DWORD(_buf, _field), EFX_DWORD_0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:187:2: note: expanded from macro 'EFX_DWORD_FIELD' 187 | EFX_EXTRACT_DWORD(dword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 188 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:168:3: note: expanded from macro 'EFX_EXTRACT_DWORD' 168 | EFX_MASK32((high) + 1 - (low))) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:73:16: note: expanded from macro 'EFX_MASK32' 73 | (((((u32) 1) << (width))) - 1)) | ^ ~~~~~~~ 1 warning and 1 error generated. -- In file included from drivers/net/ethernet/sfc/ef100.c:12: In file included from drivers/net/ethernet/sfc/net_driver.h:28: In file included from include/net/busy_poll.h:18: In file included from include/net/ip.h:29: In file included from include/net/inet_sock.h:24: include/net/request_sock.h:117:29: error: use of undeclared identifier 'sock_pfree_ref'; did you mean 'sock_kfree_s'? 117 | skb->destructor == sock_pfree_ref; | ^~~~~~~~~~~~~~ | sock_kfree_s include/net/sock.h:1901:6: note: 'sock_kfree_s' declared here 1901 | void sock_kfree_s(struct sock *sk, void *mem, int size); | ^ >> drivers/net/ethernet/sfc/ef100.c:118:8: warning: shift count >= width of type [-Wshift-count-overflow] 118 | bar = EFX_OWORD_FIELD32(entry, ESF_GZ_CFGBAR_CONT_CAP_BAR); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:179:2: note: expanded from macro 'EFX_OWORD_FIELD32' 179 | EFX_EXTRACT_OWORD32(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 180 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:155:4: note: expanded from macro 'EFX_EXTRACT_OWORD32' 155 | ((EFX_EXTRACT32((oword).u32[0], 0, 31, low, high) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:143:2: note: expanded from macro 'EFX_EXTRACT32' 143 | EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:128:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 128 | (native_element) >> ((low) - (min)) : \ | ^ ~~~~~~~~~~~~~~~ >> drivers/net/ethernet/sfc/ef100.c:118:8: warning: shift count is negative [-Wshift-count-negative] 118 | bar = EFX_OWORD_FIELD32(entry, ESF_GZ_CFGBAR_CONT_CAP_BAR); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:179:2: note: expanded from macro 'EFX_OWORD_FIELD32' 179 | EFX_EXTRACT_OWORD32(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 180 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:155:4: note: expanded from macro 'EFX_EXTRACT_OWORD32' 155 | ((EFX_EXTRACT32((oword).u32[0], 0, 31, low, high) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:143:2: note: expanded from macro 'EFX_EXTRACT32' 143 | EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:129:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 129 | (native_element) << ((min) - (low))) | ^ ~~~~~~~~~~~~~~~ >> drivers/net/ethernet/sfc/ef100.c:118:8: warning: shift count >= width of type [-Wshift-count-overflow] 118 | bar = EFX_OWORD_FIELD32(entry, ESF_GZ_CFGBAR_CONT_CAP_BAR); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:179:2: note: expanded from macro 'EFX_OWORD_FIELD32' 179 | EFX_EXTRACT_OWORD32(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 180 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:156:4: note: expanded from macro 'EFX_EXTRACT_OWORD32' 156 | EFX_EXTRACT32((oword).u32[1], 32, 63, low, high) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:143:2: note: expanded from macro 'EFX_EXTRACT32' 143 | EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:128:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 128 | (native_element) >> ((low) - (min)) : \ | ^ ~~~~~~~~~~~~~~~ >> drivers/net/ethernet/sfc/ef100.c:118:8: warning: shift count is negative [-Wshift-count-negative] 118 | bar = EFX_OWORD_FIELD32(entry, ESF_GZ_CFGBAR_CONT_CAP_BAR); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:179:2: note: expanded from macro 'EFX_OWORD_FIELD32' 179 | EFX_EXTRACT_OWORD32(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 180 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:156:4: note: expanded from macro 'EFX_EXTRACT_OWORD32' 156 | EFX_EXTRACT32((oword).u32[1], 32, 63, low, high) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:143:2: note: expanded from macro 'EFX_EXTRACT32' 143 | EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:129:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 129 | (native_element) << ((min) - (low))) | ^ ~~~~~~~~~~~~~~~ >> drivers/net/ethernet/sfc/ef100.c:118:8: warning: shift count is negative [-Wshift-count-negative] 118 | bar = EFX_OWORD_FIELD32(entry, ESF_GZ_CFGBAR_CONT_CAP_BAR); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:179:2: note: expanded from macro 'EFX_OWORD_FIELD32' 179 | EFX_EXTRACT_OWORD32(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 180 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:158:4: note: expanded from macro 'EFX_EXTRACT_OWORD32' 158 | EFX_EXTRACT32((oword).u32[3], 96, 127, low, high)) & \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:143:2: note: expanded from macro 'EFX_EXTRACT32' 143 | EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:128:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 128 | (native_element) >> ((low) - (min)) : \ | ^ ~~~~~~~~~~~~~~~ >> drivers/net/ethernet/sfc/ef100.c:118:8: warning: shift count >= width of type [-Wshift-count-overflow] 118 | bar = EFX_OWORD_FIELD32(entry, ESF_GZ_CFGBAR_CONT_CAP_BAR); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:179:2: note: expanded from macro 'EFX_OWORD_FIELD32' 179 | EFX_EXTRACT_OWORD32(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 180 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:158:4: note: expanded from macro 'EFX_EXTRACT_OWORD32' 158 | EFX_EXTRACT32((oword).u32[3], 96, 127, low, high)) & \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:143:2: note: expanded from macro 'EFX_EXTRACT32' 143 | EFX_EXTRACT_NATIVE(le32_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:129:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 129 | (native_element) << ((min) - (low))) | ^ ~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/ef100.c:120:11: warning: shift count >= width of type [-Wshift-count-overflow] 120 | offset = EFX_OWORD_FIELD64(entry, ESF_GZ_CFGBAR_CONT_CAP_OFFSET) << | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:171:2: note: expanded from macro 'EFX_OWORD_FIELD64' 171 | EFX_EXTRACT_OWORD64(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 172 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:146:4: note: expanded from macro 'EFX_EXTRACT_OWORD64' 146 | ((EFX_EXTRACT64((oword).u64[0], 0, 63, low, high) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:136:2: note: expanded from macro 'EFX_EXTRACT64' 136 | EFX_EXTRACT_NATIVE(le64_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:128:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 128 | (native_element) >> ((low) - (min)) : \ | ^ ~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/ef100.c:120:11: warning: shift count is negative [-Wshift-count-negative] 120 | offset = EFX_OWORD_FIELD64(entry, ESF_GZ_CFGBAR_CONT_CAP_OFFSET) << | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:171:2: note: expanded from macro 'EFX_OWORD_FIELD64' 171 | EFX_EXTRACT_OWORD64(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 172 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:146:4: note: expanded from macro 'EFX_EXTRACT_OWORD64' 146 | ((EFX_EXTRACT64((oword).u64[0], 0, 63, low, high) | \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:136:2: note: expanded from macro 'EFX_EXTRACT64' 136 | EFX_EXTRACT_NATIVE(le64_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:129:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 129 | (native_element) << ((min) - (low))) | ^ ~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/ef100.c:120:11: warning: shift count is negative [-Wshift-count-negative] 120 | offset = EFX_OWORD_FIELD64(entry, ESF_GZ_CFGBAR_CONT_CAP_OFFSET) << | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:171:2: note: expanded from macro 'EFX_OWORD_FIELD64' 171 | EFX_EXTRACT_OWORD64(oword, EFX_LOW_BIT(field), \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 172 | EFX_HIGH_BIT(field)) | ~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:147:4: note: expanded from macro 'EFX_EXTRACT_OWORD64' 147 | EFX_EXTRACT64((oword).u64[1], 64, 127, low, high)) & \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:136:2: note: expanded from macro 'EFX_EXTRACT64' 136 | EFX_EXTRACT_NATIVE(le64_to_cpu(element), min, max, low, high) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/sfc/bitfield.h:129:20: note: expanded from macro 'EFX_EXTRACT_NATIVE' 129 | (native_element) << ((min) - (low))) | ^ ~~~~~~~~~~~~~~~ 9 warnings and 1 error generated. .. vim +176 drivers/net/ethernet/sfc/ef100_rx.c 8e57daf70671e4 Edward Cree 2020-08-03 171 8e57daf70671e4 Edward Cree 2020-08-03 172 void efx_ef100_ev_rx(struct efx_channel *channel, const efx_qword_t *p_event) 8e57daf70671e4 Edward Cree 2020-08-03 173 { 8e57daf70671e4 Edward Cree 2020-08-03 174 struct efx_rx_queue *rx_queue = efx_channel_get_rx_queue(channel); 8e57daf70671e4 Edward Cree 2020-08-03 175 unsigned int n_packets = 8e57daf70671e4 Edward Cree 2020-08-03 @176 EFX_QWORD_FIELD(*p_event, ESF_GZ_EV_RXPKTS_NUM_PKT); 8e57daf70671e4 Edward Cree 2020-08-03 177 int i; 8e57daf70671e4 Edward Cree 2020-08-03 178 8e57daf70671e4 Edward Cree 2020-08-03 179 WARN_ON_ONCE(!n_packets); 8e57daf70671e4 Edward Cree 2020-08-03 180 if (n_packets > 1) 8e57daf70671e4 Edward Cree 2020-08-03 181 ++channel->n_rx_merge_events; 8e57daf70671e4 Edward Cree 2020-08-03 182 8e57daf70671e4 Edward Cree 2020-08-03 183 channel->irq_mod_score += 2 * n_packets; 8e57daf70671e4 Edward Cree 2020-08-03 184 8e57daf70671e4 Edward Cree 2020-08-03 185 for (i = 0; i < n_packets; ++i) { 8e57daf70671e4 Edward Cree 2020-08-03 186 ef100_rx_packet(rx_queue, 8e57daf70671e4 Edward Cree 2020-08-03 187 rx_queue->removed_count & rx_queue->ptr_mask); 8e57daf70671e4 Edward Cree 2020-08-03 188 ++rx_queue->removed_count; 8e57daf70671e4 Edward Cree 2020-08-03 189 } 8e57daf70671e4 Edward Cree 2020-08-03 190 } 8e57daf70671e4 Edward Cree 2020-08-03 191 :::::: The code at line 176 was first introduced by commit :::::: 8e57daf70671e482209b5d231a181f04845cf73e sfc_ef100: RX path for EF100 :::::: TO: Edward Cree :::::: CC: David S. Miller -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki