tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: a4983672f9ca4c8393f26b6b80710e6c78886b8c commit: ad5b116bb23dc2ca973692aeada2567ec7724d1e [12298/12332] locking/atomics: build atomic headers as required config: i386-randconfig-h0-01032225 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: git checkout ad5b116bb23dc2ca973692aeada2567ec7724d1e # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from arch/x86/include/asm/atomic.h:8:0, from arch/x86/include/asm/msr.h:67, from arch/x86/include/asm/processor.h:21, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/mm.h:10, from mm/slub.c:13: mm/slub.c: In function '__slab_free': arch/x86/include/asm/cmpxchg.h:245:2: error: 'asm' operand has impossible constraints asm volatile(pfx "cmpxchg%c5b %1" \ ^ arch/x86/include/asm/cmpxchg.h:256:2: note: in expansion of macro '__cmpxchg_double' __cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2) ^ >> ./include/generated/atomic-instrumented.h:1776:2: note: in expansion of macro 'arch_cmpxchg_double' arch_cmpxchg_double(__ai_ptr, __VA_ARGS__); \ ^ mm/slub.c:403:7: note: in expansion of macro 'cmpxchg_double' if (cmpxchg_double(&page->freelist, &page->counters, ^ --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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