Re: [PATCH v1] x86, kasan, ftrace: Put APIC interrupt handlers into .irqentry.text

From: kbuild test robot
Date: Fri Jul 15 2016 - 05:20:40 EST


Hi,

[auto build test WARNING on tip/x86/core]
[also build test WARNING on v4.7-rc7 next-20160714]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Alexander-Potapenko/x86-kasan-ftrace-Put-APIC-interrupt-handlers-into-irqentry-text/20160715-152601
config: x86_64-acpi-redef (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

>> arch/x86/entry/entry_64.S:674:15: warning: extra tokens at end of #ifdef directive
#ifdef defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN)
^

vim +674 arch/x86/entry/entry_64.S

658 END(\sym)
659 .endm
660
661 #ifdef CONFIG_TRACING
662 #define trace(sym) trace_##sym
663 #define smp_trace(sym) smp_trace_##sym
664
665 .macro trace_apicinterrupt num sym
666 apicinterrupt3 \num trace(\sym) smp_trace(\sym)
667 .endm
668 #else
669 .macro trace_apicinterrupt num sym do_sym
670 .endm
671 #endif
672
673 /* Make sure APIC interrupt handlers end up in the irqentry section. */
> 674 #ifdef defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN)
675 #define PUSH_SECTION_IRQENTRY .pushsection .irqentry.text, "ax"
676 #define POP_SECTION_IRQENTRY .popsection
677 #else
678 #define PUSH_SECTION_IRQENTRY
679 #define POP_SECTION_IRQENTRY
680 #endif
681
682 .macro apicinterrupt num sym do_sym

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