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Message-ID: <aEbvhXP__dGv35kp@yury> Date: Mon, 9 Jun 2025 10:28:21 -0400 From: Yury Norov <yury.norov@...il.com> To: kernel test robot <lkp@...el.com> Cc: linux-kernel@...r.kernel.org, Rasmus Villemoes <linux@...musvillemoes.dk>, John Stultz <jstultz@...gle.com>, Thomas Gleixner <tglx@...utronix.de>, Stephen Boyd <sboyd@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, Linux Memory Management List <linux-mm@...ck.org> Subject: Re: [PATCH 1/3] bitmap: generalize node_random() On Mon, Jun 09, 2025 at 05:44:47AM +0800, kernel test robot wrote: > Hi Yury, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on akpm-mm/mm-nonmm-unstable] > [also build test ERROR on tip/timers/core akpm-mm/mm-everything linus/master v6.15 next-20250606] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Yury-Norov/bitmap-generalize-node_random/20250609-034657 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable > patch link: https://lore.kernel.org/r/20250608194536.28130-2-yury.norov%40gmail.com > patch subject: [PATCH 1/3] bitmap: generalize node_random() > config: arm-randconfig-002-20250609 (https://download.01.org/0day-ci/archive/20250609/202506090550.y3ypu2EO-lkp@intel.com/config) > compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250609/202506090550.y3ypu2EO-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/202506090550.y3ypu2EO-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > In file included from ./arch/arm/include/generated/asm/preempt.h:1: > In file included from include/asm-generic/preempt.h:5: > In file included from include/linux/thread_info.h:27: > In file included from include/linux/bitops.h:29: > include/asm-generic/bitops/generic-non-atomic.h:140:16: warning: attribute 'error' is already applied with different arguments [-Wignored-attributes] > 140 | return 1UL & (smp_load_acquire(p) >> (nr & (BITS_PER_LONG-1))); > | ^ > include/asm-generic/barrier.h:204:37: note: expanded from macro 'smp_load_acquire' > 204 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ > | ^ > include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE' > 49 | compiletime_assert_rwonce_type(x); \ > | ^ > include/asm-generic/rwonce.h:36:2: note: expanded from macro 'compiletime_assert_rwonce_type' > 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ > | ^ > include/linux/compiler_types.h:565:2: note: expanded from macro 'compiletime_assert' > 565 | __compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > | ^ > include/linux/compiler_types.h:547:4: note: expanded from macro '__compiletime_assert' > 547 | __compiletime_error(msg); \ > | ^ > include/linux/compiler_attributes.h:138:56: note: expanded from macro '__compiletime_error' > 138 | # define __compiletime_error(msg) __attribute__((__error__(msg))) > | ^ > include/linux/mm.h:2618:9: note: previous attribute is here > 2618 | return max(mm->hiwater_rss, get_mm_rss(mm)); > | ^ > include/linux/minmax.h:112:19: note: expanded from macro 'max' > 112 | #define max(x, y) __careful_cmp(max, x, y) > | ^ > include/linux/minmax.h:98:2: note: expanded from macro '__careful_cmp' > 98 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) > | ^ > include/linux/minmax.h:93:2: note: expanded from macro '__careful_cmp_once' > 93 | BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \ > | ^ > note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) > include/linux/compiler_types.h:565:2: note: expanded from macro 'compiletime_assert' > 565 | __compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > | ^ > include/linux/compiler_types.h:547:4: note: expanded from macro '__compiletime_assert' > 547 | __compiletime_error(msg); \ > | ^ > include/linux/compiler_attributes.h:138:56: note: expanded from macro '__compiletime_error' > 138 | # define __compiletime_error(msg) __attribute__((__error__(msg))) > | ^ > In file included from crypto/krb5/rfc8009_aes2.c:10: > In file included from include/linux/slab.h:16: > In file included from include/linux/gfp.h:7: > In file included from include/linux/mmzone.h:8: > In file included from include/linux/spinlock.h:56: > In file included from include/linux/preempt.h:79: > In file included from ./arch/arm/include/generated/asm/preempt.h:1: > In file included from include/asm-generic/preempt.h:5: > In file included from include/linux/thread_info.h:27: > In file included from include/linux/bitops.h:29: > include/asm-generic/bitops/generic-non-atomic.h:140:16: warning: attribute 'error' is already applied with different arguments [-Wignored-attributes] > 140 | return 1UL & (smp_load_acquire(p) >> (nr & (BITS_PER_LONG-1))); > | ^ > include/asm-generic/barrier.h:204:37: note: expanded from macro 'smp_load_acquire' > 204 | __unqual_scalar_typeof(*p) ___p1 = READ_ONCE(*p); \ > | ^ > include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE' > 49 | compiletime_assert_rwonce_type(x); \ > | ^ > include/asm-generic/rwonce.h:36:2: note: expanded from macro 'compiletime_assert_rwonce_type' > 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ > | ^ > include/linux/compiler_types.h:565:2: note: expanded from macro 'compiletime_assert' > 565 | __compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > | ^ > include/linux/compiler_types.h:547:4: note: expanded from macro '__compiletime_assert' > 547 | __compiletime_error(msg); \ > | ^ > include/linux/compiler_attributes.h:138:56: note: expanded from macro '__compiletime_error' > 138 | # define __compiletime_error(msg) __attribute__((__error__(msg))) > | ^ > include/linux/mm.h:2623:9: note: previous attribute is here > 2623 | return max(mm->hiwater_vm, mm->total_vm); > | ^ > include/linux/minmax.h:112:19: note: expanded from macro 'max' > 112 | #define max(x, y) __careful_cmp(max, x, y) > | ^ > include/linux/minmax.h:98:2: note: expanded from macro '__careful_cmp' > 98 | __careful_cmp_once(op, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) > | ^ > include/linux/minmax.h:93:2: note: expanded from macro '__careful_cmp_once' > 93 | BUILD_BUG_ON_MSG(!__types_ok(ux, uy), \ > | ^ > note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) > include/linux/compiler_types.h:565:2: note: expanded from macro 'compiletime_assert' > 565 | __compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > | ^ > include/linux/compiler_types.h:547:4: note: expanded from macro '__compiletime_assert' > 547 | __compiletime_error(msg); \ > | ^ > include/linux/compiler_attributes.h:138:56: note: expanded from macro '__compiletime_error' > 138 | # define __compiletime_error(msg) __attribute__((__error__(msg))) > | ^ > >> crypto/krb5/rfc8009_aes2.c:209:3: error: call to undeclared function 'get_random_bytes'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > 209 | get_random_bytes(buffer, krb5->conf_len); > | ^ > 27 warnings and 1 error generated. OK, I'll enable those locally, buld-test and send a v3.
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