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Message-ID: <4FDB6261.2030400@xenotime.net> Date: Fri, 15 Jun 2012 09:27:13 -0700 From: Randy Dunlap <rdunlap@...otime.net> To: Fengguang Wu <fengguang.wu@...el.com> CC: Stephen Rothwell <sfr@...b.auug.org.au>, linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org> Subject: Re: error: implicit declarations of BUG/BUG_ON/WARN_ON/WARN_ON_ONCE On 06/14/2012 11:52 PM, Fengguang Wu wrote: > On Fri, Jun 15, 2012 at 02:33:03PM +1000, Stephen Rothwell wrote: >> Hi all, >> >> Changes since 20120614: >> >> My fixes tree contains: >> fix bug.h's inclusion of kernel.h > > I got these errors with the attached randconfig. Not sure which change > triggers them. Ditto. When CONFIG_BUG is not enabled. > CC arch/x86/kernel/asm-offsets.s > In file included from /c/kernel-tests/mm/arch/x86/include/asm/atomic.h:6:0, > from /c/kernel-tests/mm/include/linux/atomic.h:4, > from /c/kernel-tests/mm/include/linux/crypto.h:20, > from /c/kernel-tests/mm/arch/x86/kernel/asm-offsets.c:8: > /c/kernel-tests/mm/arch/x86/include/asm/processor.h: In function ‘get_aperfmperf’: > /c/kernel-tests/mm/arch/x86/include/asm/processor.h:937:2: error: implicit declaration of function ‘WARN_ON_ONCE’ [-Werror=implicit-function-declaration] > In file included from /c/kernel-tests/mm/include/linux/thread_info.h:54:0, > from /c/kernel-tests/mm/include/linux/preempt.h:9, > from /c/kernel-tests/mm/include/linux/spinlock.h:50, > from /c/kernel-tests/mm/include/linux/mmzone.h:7, > from /c/kernel-tests/mm/include/linux/gfp.h:4, > from /c/kernel-tests/mm/include/linux/slab.h:12, > from /c/kernel-tests/mm/include/linux/crypto.h:24, > from /c/kernel-tests/mm/arch/x86/kernel/asm-offsets.c:8: > /c/kernel-tests/mm/arch/x86/include/asm/thread_info.h: In function ‘set_restore_sigmask’: > /c/kernel-tests/mm/arch/x86/include/asm/thread_info.h:250:2: error: implicit declaration of function ‘WARN_ON’ [-Werror=implicit-function-declaration] > In file included from /c/kernel-tests/mm/include/linux/mmzone.h:717:0, > from /c/kernel-tests/mm/include/linux/gfp.h:4, > from /c/kernel-tests/mm/include/linux/slab.h:12, > from /c/kernel-tests/mm/include/linux/crypto.h:24, > from /c/kernel-tests/mm/arch/x86/kernel/asm-offsets.c:8: > /c/kernel-tests/mm/include/linux/memory_hotplug.h: In function ‘generic_alloc_nodedata’: > /c/kernel-tests/mm/include/linux/memory_hotplug.h:152:2: error: implicit declaration of function ‘BUG’ [-Werror=implicit-function-declaration] > In file included from /c/kernel-tests/mm/arch/x86/include/asm/apic.h:12:0, > from /c/kernel-tests/mm/arch/x86/include/asm/smp.h:13, > from /c/kernel-tests/mm/include/linux/smp.h:38, > from /c/kernel-tests/mm/include/linux/topology.h:33, > from /c/kernel-tests/mm/include/linux/gfp.h:7, > from /c/kernel-tests/mm/include/linux/slab.h:12, > from /c/kernel-tests/mm/include/linux/crypto.h:24, > from /c/kernel-tests/mm/arch/x86/kernel/asm-offsets.c:8: > /c/kernel-tests/mm/arch/x86/include/asm/fixmap.h: In function ‘virt_to_fix’: > /c/kernel-tests/mm/arch/x86/include/asm/fixmap.h:220:2: error: implicit declaration of function ‘BUG_ON’ [-Werror=implicit-function-declaration] > HOSTLD scripts/genksyms/genksyms > cc1: some warnings being treated as errors > make[2]: *** [arch/x86/kernel/asm-offsets.s] Error 1 > make[1]: *** [prepare0] Error 2 > make[1]: *** Waiting for unfinished jobs.... > > Thanks, > Fengguang -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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