mips allmodconfig build failed on linux next due to below errors. Since we recently started building allmodconfig, we do not have information on when this problem started. We are building with gcc-8, gcc-9 and gcc-10. metadata: -------------- git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next target_arch: mips toolchain: gcc-10 git_short_log: dcf2427baa64 (\Add linux-next specific files for 20200923\) git_describe: next-20200923 kernel_version: 5.9.0-rc6 build log: ------------- make -sk KBUILD_BUILD_USER=TuxBuild -C/linux ARCH=mips CROSS_COMPILE=mips-linux-gnu- HOSTCC=gcc CC="sccache mips-linux-gnu-gcc" O=build allmodconfig make -sk KBUILD_BUILD_USER=TuxBuild -C/linux -j16 ARCH=mips CROSS_COMPILE=mips-linux-gnu- HOSTCC=gcc CC="sccache mips-linux-gnu-gcc" O=build # In file included from <command-line>: ../arch/mips/mm/init.c: In function ‘mem_init’: ./../include/linux/compiler_types.h:319:38: error: call to ‘__compiletime_assert_321’ declared with attribute error: BUILD_BUG_ON failed: IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT) 319 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ ./../include/linux/compiler_types.h:300:4: note: in definition of macro ‘__compiletime_assert’ 300 | prefix ## suffix(); \ | ^~~~~~ ./../include/linux/compiler_types.h:319:2: note: in expansion of macro ‘_compiletime_assert’ 319 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ ../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’ 39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ ../include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’ 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ ../arch/mips/mm/init.c:458:2: note: in expansion of macro ‘BUILD_BUG_ON’ 458 | BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (_PFN_SHIFT > PAGE_SHIFT)); | ^~~~~~~~~~~~ make[3]: *** [../scripts/Makefile.build:283: arch/mips/mm/init.o] Error 1 make[3]: Target '__build' not remade because of errors. make[2]: *** [../scripts/Makefile.build:500: arch/mips/mm] Error 2 make[2]: Target '__build' not remade because of errors. make[1]: *** [/linux/Makefile:1792: arch/mips] Error 2 ../drivers/bus/mhi/core/debugfs.c: In function ‘mhi_debugfs_events_show’: ../drivers/bus/mhi/core/debugfs.c:74:51: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 74 | seq_printf(m, " local rp: 0x%llx db: 0x%llx\n", (u64)ring->rp, | ^ ../drivers/bus/mhi/core/debugfs.c:74:45: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 4 has type ‘dma_addr_t’ {aka ‘unsigned int’} [-Wformat=] 74 | seq_printf(m, " local rp: 0x%llx db: 0x%llx\n", (u64)ring->rp, | ~~~^ | | | long long unsigned int | %x 75 | mhi_event->db_cfg.db_val); | ~~~~~~~~~~~~~~~~~~~~~~~~ | | | dma_addr_t {aka unsigned int} ../drivers/bus/mhi/core/debugfs.c: In function ‘mhi_debugfs_channels_show’: ../drivers/bus/mhi/core/debugfs.c:122:7: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 122 | (u64)ring->rp, (u64)ring->wp, | ^ ../drivers/bus/mhi/core/debugfs.c:122:22: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 122 | (u64)ring->rp, (u64)ring->wp, | ^ ../drivers/bus/mhi/core/debugfs.c:121:62: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘dma_addr_t’ {aka ‘unsigned int’} [-Wformat=] 121 | seq_printf(m, " local rp: 0x%llx local wp: 0x%llx db: 0x%llx\n", | ~~~^ | | | long long unsigned int | %x 122 | (u64)ring->rp, (u64)ring->wp, 123 | mhi_chan->db_cfg.db_val); | ~~~~~~~~~~~~~~~~~~~~~~~ | | | dma_addr_t {aka unsigned int} In file included from ../include/linux/printk.h:7, from ../include/linux/kernel.h:16, from ../include/asm-generic/bug.h:20, from ../arch/mips/include/asm/bug.h:42, from ../include/linux/bug.h:5, from ../include/linux/thread_info.h:12, from ../include/asm-generic/current.h:5, from ./arch/mips/include/generated/asm/current.h:1, from ../include/linux/sched.h:12, from ../fs/btrfs/extent-tree.c:6: ../fs/btrfs/extent-tree.c: In function ‘__btrfs_free_extent’: ../include/linux/kern_levels.h:5:18: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 8 has type ‘unsigned int’ [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ ../include/linux/kern_levels.h:10:19: note: in expansion of macro ‘KERN_SOH’ 10 | #define KERN_CRIT KERN_SOH "2" /* critical conditions */ | ^~~~~~~~ ../fs/btrfs/ctree.h:3148:24: note: in expansion of macro ‘KERN_CRIT’ 3148 | btrfs_printk(fs_info, KERN_CRIT fmt, ##args) | ^~~~~~~~~ ../fs/btrfs/extent-tree.c:3187:4: note: in expansion of macro ‘btrfs_crit’ 3187 | btrfs_crit(info, | ^~~~~~~~~~ ../drivers/input/joystick/analog.c:160:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp] 160 | #warning Precise timer not defined for this architecture. | ^~~~~~~ In file included from ../arch/mips/include/asm/sibyte/sb1250.h:28, from ../drivers/watchdog/sb_wdog.c:58: ../arch/mips/include/asm/sibyte/bcm1480_scd.h:261: warning: "M_SPC_CFG_CLEAR" redefined 261 | #define M_SPC_CFG_CLEAR M_BCM1480_SPC_CFG_CLEAR | In file included from ../arch/mips/include/asm/sibyte/sb1250.h:27, from ../drivers/watchdog/sb_wdog.c:58: ../arch/mips/include/asm/sibyte/sb1250_scd.h:392: note: this is the location of the previous definition 392 | #define M_SPC_CFG_CLEAR _SB_MAKEMASK1(32) | In file included from ../arch/mips/include/asm/sibyte/sb1250.h:28, from ../drivers/watchdog/sb_wdog.c:58: ../arch/mips/include/asm/sibyte/bcm1480_scd.h:262: warning: "M_SPC_CFG_ENABLE" redefined 262 | #define M_SPC_CFG_ENABLE M_BCM1480_SPC_CFG_ENABLE | In file included from ../arch/mips/include/asm/sibyte/sb1250.h:27, from ../drivers/watchdog/sb_wdog.c:58: ../arch/mips/include/asm/sibyte/sb1250_scd.h:393: note: this is the location of the previous definition 393 | #define M_SPC_CFG_ENABLE _SB_MAKEMASK1(33) | In file included from ../drivers/net/ethernet/intel/ice/ice_flow.c:5: ../drivers/net/ethernet/intel/ice/ice_flow.c: In function ‘ice_flow_add_entry’: ../drivers/net/ethernet/intel/ice/ice_flow.h:197:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 197 | #define ICE_FLOW_ENTRY_HNDL(e) ((u64)e) | ^ ../drivers/net/ethernet/intel/ice/ice_flow.c:946:13: note: in expansion of macro ‘ICE_FLOW_ENTRY_HNDL’ 946 | *entry_h = ICE_FLOW_ENTRY_HNDL(e); | ^~~~~~~~~~~~~~~~~~~ ../drivers/net/ethernet/intel/ice/ice_flow.c: In function ‘ice_flow_rem_entry’: ../drivers/net/ethernet/intel/ice/ice_flow.h:198:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 198 | #define ICE_FLOW_ENTRY_PTR(h) ((struct ice_flow_entry *)(h)) | ^ ../drivers/net/ethernet/intel/ice/ice_flow.c:974:10: note: in expansion of macro ‘ICE_FLOW_ENTRY_PTR’ 974 | entry = ICE_FLOW_ENTRY_PTR(entry_h); | ^~~~~~~~~~~~~~~~~~ In file included from ../drivers/net/ethernet/intel/ice/ice_flex_pipe.c:6: ../drivers/net/ethernet/intel/ice/ice_flex_pipe.c: In function ‘ice_free_flow_profs’: ../drivers/net/ethernet/intel/ice/ice_flow.h:197:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 197 | #define ICE_FLOW_ENTRY_HNDL(e) ((u64)e) | ^ ../drivers/net/ethernet/intel/ice/ice_flex_pipe.c:2921:9: note: in expansion of macro ‘ICE_FLOW_ENTRY_HNDL’ 2921 | ICE_FLOW_ENTRY_HNDL(e)); | ^~~~~~~~~~~~~~~~~~~ In file included from ../arch/mips/include/asm/page.h:258, from ../arch/mips/include/asm/io.h:29, from ../include/linux/io.h:13, from ../arch/mips/include/asm/mips-cps.h:10, from ../arch/mips/include/asm/smp-ops.h:16, from ../arch/mips/include/asm/smp.h:21, from ../include/linux/smp.h:85, from ../include/linux/percpu.h:7, from ../include/linux/prandom.h:12, from ../include/linux/random.h:118, from ../include/linux/net.h:18, from ../drivers/infiniband/sw/siw/siw_qp_tx.c:8: ../drivers/infiniband/sw/siw/siw_qp_tx.c: In function ‘siw_tx_hdt’: ../arch/mips/include/asm/page.h:249:53: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 249 | #define virt_to_pfn(kaddr) PFN_DOWN(virt_to_phys((void *)(kaddr))) | ^ ../include/asm-generic/memory_model.h:33:41: note: in definition of macro ‘__pfn_to_page’ 33 | #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) | ^~~ ../arch/mips/include/asm/page.h:249:31: note: in expansion of macro ‘PFN_DOWN’ 249 | #define virt_to_pfn(kaddr) PFN_DOWN(virt_to_phys((void *)(kaddr))) | ^~~~~~~~ ../arch/mips/include/asm/page.h:250:41: note: in expansion of macro ‘virt_to_pfn’ 250 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) | ^~~~~~~~~~~ ../drivers/infiniband/sw/siw/siw_qp_tx.c:528:23: note: in expansion of macro ‘virt_to_page’ 528 | page_array[seg] = virt_to_page(va & PAGE_MASK); | ^~~~~~~~~~~~ make[1]: Target '__all' not remade because of errors. make: *** [Makefile:185: __sub-make] Error 2 make: Target '__all' not remade because of errors. -- Linaro LKFT https://lkft.linaro.org