tree: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git review-iow-v2 head: 472d5c4de9dcc31b6599069c615efb00792bf6d1 commit: 472d5c4de9dcc31b6599069c615efb00792bf6d1 [13/13] blkcg: implement BPF_PROG_TYPE_IO_COST config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 472d5c4de9dcc31b6599069c615efb00792bf6d1 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): block/blk-ioweight.c: In function 'calc_vtime_cost_bpf': >> block/blk-ioweight.c:1587:10: error: 'struct iow' has no member named 'cost_prog' if (!iow->cost_prog) ^~ In file included from include/linux/rbtree.h:22:0, from include/linux/mm_types.h:10, from include/linux/mmzone.h:21, from include/linux/gfp.h:6, from include/linux/umh.h:4, from include/linux/kmod.h:9, from include/linux/module.h:13, from block/blk-ioweight.c:177: block/blk-ioweight.c:1591:28: error: 'struct iow' has no member named 'cost_prog' prog = rcu_dereference(iow->cost_prog); ^ include/linux/rcupdate.h:312:10: note: in definition of macro '__rcu_dereference_check' typeof(*p) *________p1 = (typeof(*p) *__force)READ_ONCE(p); \ ^ include/linux/rcupdate.h:508:28: note: in expansion of macro 'rcu_dereference_check' #define rcu_dereference(p) rcu_dereference_check(p, 0) ^~~~~~~~~~~~~~~~~~~~~ >> block/blk-ioweight.c:1591:9: note: in expansion of macro 'rcu_dereference' prog = rcu_dereference(iow->cost_prog); ^~~~~~~~~~~~~~~ block/blk-ioweight.c:1591:28: error: 'struct iow' has no member named 'cost_prog' prog = rcu_dereference(iow->cost_prog); ^ include/linux/rcupdate.h:312:36: note: in definition of macro '__rcu_dereference_check' typeof(*p) *________p1 = (typeof(*p) *__force)READ_ONCE(p); \ ^ include/linux/rcupdate.h:508:28: note: in expansion of macro 'rcu_dereference_check' #define rcu_dereference(p) rcu_dereference_check(p, 0) ^~~~~~~~~~~~~~~~~~~~~ >> block/blk-ioweight.c:1591:9: note: in expansion of macro 'rcu_dereference' prog = rcu_dereference(iow->cost_prog); ^~~~~~~~~~~~~~~ In file included from include/linux/kernel.h:11:0, from block/blk-ioweight.c:176: block/blk-ioweight.c:1591:28: error: 'struct iow' has no member named 'cost_prog' prog = rcu_dereference(iow->cost_prog); ^ include/linux/compiler.h:256:17: note: in definition of macro '__READ_ONCE' union { typeof(x) __val; char __c[1]; } __u; \ ^ >> include/linux/rcupdate.h:312:48: note: in expansion of macro 'READ_ONCE' typeof(*p) *________p1 = (typeof(*p) *__force)READ_ONCE(p); \ ^~~~~~~~~ include/linux/rcupdate.h:450:2: note: in expansion of macro '__rcu_dereference_check' __rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu) ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:508:28: note: in expansion of macro 'rcu_dereference_check' #define rcu_dereference(p) rcu_dereference_check(p, 0) ^~~~~~~~~~~~~~~~~~~~~ >> block/blk-ioweight.c:1591:9: note: in expansion of macro 'rcu_dereference' prog = rcu_dereference(iow->cost_prog); ^~~~~~~~~~~~~~~ block/blk-ioweight.c:1591:28: error: 'struct iow' has no member named 'cost_prog' prog = rcu_dereference(iow->cost_prog); ^ include/linux/compiler.h:258:22: note: in definition of macro '__READ_ONCE' __read_once_size(&(x), __u.__c, sizeof(x)); \ ^ >> include/linux/rcupdate.h:312:48: note: in expansion of macro 'READ_ONCE' typeof(*p) *________p1 = (typeof(*p) *__force)READ_ONCE(p); \ ^~~~~~~~~ include/linux/rcupdate.h:450:2: note: in expansion of macro '__rcu_dereference_check' __rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu) ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:508:28: note: in expansion of macro 'rcu_dereference_check' #define rcu_dereference(p) rcu_dereference_check(p, 0) ^~~~~~~~~~~~~~~~~~~~~ >> block/blk-ioweight.c:1591:9: note: in expansion of macro 'rcu_dereference' prog = rcu_dereference(iow->cost_prog); ^~~~~~~~~~~~~~~ block/blk-ioweight.c:1591:28: error: 'struct iow' has no member named 'cost_prog' prog = rcu_dereference(iow->cost_prog); ^ include/linux/compiler.h:258:42: note: in definition of macro '__READ_ONCE' __read_once_size(&(x), __u.__c, sizeof(x)); \ ^ >> include/linux/rcupdate.h:312:48: note: in expansion of macro 'READ_ONCE' typeof(*p) *________p1 = (typeof(*p) *__force)READ_ONCE(p); \ ^~~~~~~~~ include/linux/rcupdate.h:450:2: note: in expansion of macro '__rcu_dereference_check' __rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu) ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:508:28: note: in expansion of macro 'rcu_dereference_check' #define rcu_dereference(p) rcu_dereference_check(p, 0) ^~~~~~~~~~~~~~~~~~~~~ >> block/blk-ioweight.c:1591:9: note: in expansion of macro 'rcu_dereference' prog = rcu_dereference(iow->cost_prog); ^~~~~~~~~~~~~~~ block/blk-ioweight.c:1591:28: error: 'struct iow' has no member named 'cost_prog' prog = rcu_dereference(iow->cost_prog); ^ include/linux/compiler.h:260:30: note: in definition of macro '__READ_ONCE' __read_once_size_nocheck(&(x), __u.__c, sizeof(x)); \ ^ >> include/linux/rcupdate.h:312:48: note: in expansion of macro 'READ_ONCE' typeof(*p) *________p1 = (typeof(*p) *__force)READ_ONCE(p); \ ^~~~~~~~~ include/linux/rcupdate.h:450:2: note: in expansion of macro '__rcu_dereference_check' __rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu) ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:508:28: note: in expansion of macro 'rcu_dereference_check' #define rcu_dereference(p) rcu_dereference_check(p, 0) ^~~~~~~~~~~~~~~~~~~~~ >> block/blk-ioweight.c:1591:9: note: in expansion of macro 'rcu_dereference' prog = rcu_dereference(iow->cost_prog); ^~~~~~~~~~~~~~~ block/blk-ioweight.c:1591:28: error: 'struct iow' has no member named 'cost_prog' prog = rcu_dereference(iow->cost_prog); ^ include/linux/compiler.h:260:50: note: in definition of macro '__READ_ONCE' __read_once_size_nocheck(&(x), __u.__c, sizeof(x)); \ ^ >> include/linux/rcupdate.h:312:48: note: in expansion of macro 'READ_ONCE' typeof(*p) *________p1 = (typeof(*p) *__force)READ_ONCE(p); \ ^~~~~~~~~ include/linux/rcupdate.h:450:2: note: in expansion of macro '__rcu_dereference_check' __rcu_dereference_check((p), (c) || rcu_read_lock_held(), __rcu) ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/rcupdate.h:508:28: note: in expansion of macro 'rcu_dereference_check' #define rcu_dereference(p) rcu_dereference_check(p, 0) ^~~~~~~~~~~~~~~~~~~~~ >> block/blk-ioweight.c:1591:9: note: in expansion of macro 'rcu_dereference' prog = rcu_dereference(iow->cost_prog); ^~~~~~~~~~~~~~~ In file included from include/linux/rbtree.h:22:0, from include/linux/mm_types.h:10, from include/linux/mmzone.h:21, from include/linux/gfp.h:6, from include/linux/umh.h:4, from include/linux/kmod.h:9, from include/linux/module.h:13, from block/blk-ioweight.c:177: block/blk-ioweight.c:1591:28: error: 'struct iow' has no member named 'cost_prog' prog = rcu_dereference(iow->cost_prog); ^ include/linux/rcupdate.h:315:12: note: in definition of macro '__rcu_dereference_check' ((typeof(*p) __force __kernel *)(________p1)); \ ^ include/linux/rcupdate.h:508:28: note: in expansion of macro 'rcu_dereference_check' #define rcu_dereference(p) rcu_dereference_check(p, 0) ^~~~~~~~~~~~~~~~~~~~~ >> block/blk-ioweight.c:1591:9: note: in expansion of macro 'rcu_dereference' prog = rcu_dereference(iow->cost_prog); ^~~~~~~~~~~~~~~ block/blk-ioweight.c: In function 'blk_bpf_io_cost_ioctl': block/blk-ioweight.c:2479:11: error: 'struct iow' has no member named 'cost_prog' if (!iow->cost_prog) { ^~ In file included from include/linux/kernel.h:11:0, from block/blk-ioweight.c:176: block/blk-ioweight.c:2480:26: error: 'struct iow' has no member named 'cost_prog' rcu_assign_pointer(iow->cost_prog, prog); ^ include/linux/compiler.h:281:17: note: in definition of macro 'WRITE_ONCE' union { typeof(x) __val; char __c[1]; } __u = \ ^ >> block/blk-ioweight.c:2480:4: note: in expansion of macro 'rcu_assign_pointer' rcu_assign_pointer(iow->cost_prog, prog); ^~~~~~~~~~~~~~~~~~ block/blk-ioweight.c:2480:26: error: 'struct iow' has no member named 'cost_prog' rcu_assign_pointer(iow->cost_prog, prog); ^ include/linux/compiler.h:282:30: note: in definition of macro 'WRITE_ONCE' { .__val = (__force typeof(x)) (val) }; \ ^ >> block/blk-ioweight.c:2480:4: note: in expansion of macro 'rcu_assign_pointer' rcu_assign_pointer(iow->cost_prog, prog); ^~~~~~~~~~~~~~~~~~ block/blk-ioweight.c:2480:26: error: 'struct iow' has no member named 'cost_prog' rcu_assign_pointer(iow->cost_prog, prog); ^ include/linux/compiler.h:282:35: note: in definition of macro 'WRITE_ONCE' { .__val = (__force typeof(x)) (val) }; \ ^~~ >> block/blk-ioweight.c:2480:4: note: in expansion of macro 'rcu_assign_pointer' rcu_assign_pointer(iow->cost_prog, prog); ^~~~~~~~~~~~~~~~~~ block/blk-ioweight.c:2480:26: error: 'struct iow' has no member named 'cost_prog' rcu_assign_pointer(iow->cost_prog, prog); ^ include/linux/compiler.h:283:22: note: in definition of macro 'WRITE_ONCE' __write_once_size(&(x), __u.__c, sizeof(x)); \ ^ >> block/blk-ioweight.c:2480:4: note: in expansion of macro 'rcu_assign_pointer' rcu_assign_pointer(iow->cost_prog, prog); ^~~~~~~~~~~~~~~~~~ block/blk-ioweight.c:2480:26: error: 'struct iow' has no member named 'cost_prog' rcu_assign_pointer(iow->cost_prog, prog); ^ include/linux/compiler.h:283:42: note: in definition of macro 'WRITE_ONCE' __write_once_size(&(x), __u.__c, sizeof(x)); \ ^ >> block/blk-ioweight.c:2480:4: note: in expansion of macro 'rcu_assign_pointer' rcu_assign_pointer(iow->cost_prog, prog); ^~~~~~~~~~~~~~~~~~ block/blk-ioweight.c:2480:26: error: 'struct iow' has no member named 'cost_prog' rcu_assign_pointer(iow->cost_prog, prog); ^ include/linux/compiler.h:325:9: note: in definition of macro '__compiletime_assert' if (!(condition)) \ ^~~~~~~~~ include/linux/compiler.h:345:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ >> include/linux/compiler.h:348:2: note: in expansion of macro 'compiletime_assert' compiletime_assert(__native_word(t), \ ^~~~~~~~~~~~~~~~~~ vim +1587 block/blk-ioweight.c 1578 1579 #ifdef CONFIG_BLK_BPF_IO_COST 1580 static bool calc_vtime_cost_bpf(struct bio *bio, struct iow_gq *iowg, 1581 bool is_merge, u64 *costp) 1582 { 1583 struct iow *iow = iowg->iow; 1584 struct bpf_prog *prog; 1585 bool ret = false; 1586 > 1587 if (!iow->cost_prog) 1588 return ret; 1589 1590 rcu_read_lock(); > 1591 prog = rcu_dereference(iow->cost_prog); 1592 if (prog) { 1593 struct bpf_io_cost ctx = { 1594 .cost = 0, 1595 .opf = bio->bi_opf, 1596 .nr_sectors = bio_sectors(bio), 1597 .sector = bio->bi_iter.bi_sector, 1598 .last_sector = iowg->cursor, 1599 .is_merge = is_merge, 1600 }; 1601 1602 BPF_PROG_RUN(prog, &ctx); 1603 *costp = ctx.cost; 1604 ret = true; 1605 } 1606 rcu_read_unlock(); 1607 1608 return ret; 1609 } 1610 #else 1611 static bool calc_vtime_cost_bpf(struct bio *bio, struct iow_gq *iowg, 1612 bool is_merge, u64 *costp) 1613 { 1614 return false; 1615 } 1616 #endif 1617 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
