From: kbuild test robot <fengguang.wu@intel.com>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
Ingo Molnar <mingo@kernel.org>
Subject: arch/x86/kernel/ftrace.c:35:3: error: #error The following combination is not supported: ((compiler missing -mfentry) || (CONFIG_X86_32 and !CONFIG_DYNAMIC_FTRACE)) && CONFIG_FUNCTION_GRAPH_TRACER && CONFIG_CC_OPTIMIZE_FOR_SIZE
Date: Mon, 3 Apr 2017 11:40:47 +0800 [thread overview]
Message-ID: <201704031140.LiHHYmky%fengguang.wu@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a71c9a1c779f2499fb2afc0553e543f18aff6edf
commit: 3f135e57a4f76d24ae8d8a490314331f0ced40c5 x86/build: Mostly disable '-maccumulate-outgoing-args'
date: 4 days ago
config: x86_64-randconfig-a0-04031038 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
git checkout 3f135e57a4f76d24ae8d8a490314331f0ced40c5
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
>> arch/x86/kernel/ftrace.c:35:3: error: #error The following combination is not supported: ((compiler missing -mfentry) || (CONFIG_X86_32 and !CONFIG_DYNAMIC_FTRACE)) && CONFIG_FUNCTION_GRAPH_TRACER && CONFIG_CC_OPTIMIZE_FOR_SIZE
vim +35 arch/x86/kernel/ftrace.c
29 #include <asm/ftrace.h>
30 #include <asm/nops.h>
31
32 #if defined(CONFIG_FUNCTION_GRAPH_TRACER) && \
33 !defined(CC_USING_FENTRY) && \
34 !defined(CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE)
> 35 # error The following combination is not supported: ((compiler missing -mfentry) || (CONFIG_X86_32 and !CONFIG_DYNAMIC_FTRACE)) && CONFIG_FUNCTION_GRAPH_TRACER && CONFIG_CC_OPTIMIZE_FOR_SIZE
36 #endif
37
38 #ifdef CONFIG_DYNAMIC_FTRACE
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next reply other threads:[~2017-04-03 3:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-03 3:40 kbuild test robot [this message]
2017-04-23 2:34 arch/x86/kernel/ftrace.c:35:3: error: #error The following combination is not supported: ((compiler missing -mfentry) || (CONFIG_X86_32 and !CONFIG_DYNAMIC_FTRACE)) && CONFIG_FUNCTION_GRAPH_TRACER && CONFIG_CC_OPTIMIZE_FOR_SIZE kbuild test robot
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