linux-kernel - [peterz-queue:x86/wip.ibt 13/45] arch/x86/include/asm/segment.h:278:39: error: 'HAS_KERNEL

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Message-ID: <202202250449.s9pErhtl-lkp@intel.com>
Date:   Fri, 25 Feb 2022 05:02:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [peterz-queue:x86/wip.ibt 13/45]
 arch/x86/include/asm/segment.h:278:39: error: 'HAS_KERNEL_IBT' undeclared
 here (not in a function)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt
head:   f9699e5d6e16c00fc73036f591bd64bf35dffb67
commit: aa795ef63b11db632a0443e077367ab7deb5e285 [13/45] x86/entry: Sprinkle ENDBR dust
config: i386-randconfig-a003 (https://download.01.org/0day-ci/archive/20220225/202202250449.s9pErhtl-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=aa795ef63b11db632a0443e077367ab7deb5e285
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue x86/wip.ibt
        git checkout aa795ef63b11db632a0443e077367ab7deb5e285
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 prepare

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from arch/x86/include/asm/ptrace.h:5,
                    from arch/x86/include/asm/math_emu.h:5,
                    from arch/x86/include/asm/processor.h:13,
                    from arch/x86/include/asm/cpufeature.h:5,
                    from arch/x86/include/asm/thread_info.h:53,
                    from include/linux/thread_info.h:60,
                    from arch/x86/include/asm/preempt.h:7,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:55,
                    from include/linux/mmzone.h:8,
                    from include/linux/gfp.h:6,
                    from include/linux/slab.h:15,
                    from include/linux/crypto.h:20,
                    from arch/x86/kernel/asm-offsets.c:9:
>> arch/x86/include/asm/segment.h:278:39: error: 'HAS_KERNEL_IBT' undeclared here (not in a function)
     278 | #define EARLY_IDT_HANDLER_SIZE (9 + 4*HAS_KERNEL_IBT)
         |                                       ^~~~~~~~~~~~~~
   arch/x86/include/asm/segment.h:290:66: note: in expansion of macro 'EARLY_IDT_HANDLER_SIZE'
     290 | extern const char early_idt_handler_array[NUM_EXCEPTION_VECTORS][EARLY_IDT_HANDLER_SIZE];
         |                                                                  ^~~~~~~~~~~~~~~~~~~~~~
   make[2]: *** [scripts/Makefile.build:121: arch/x86/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1212: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:219: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +/HAS_KERNEL_IBT +278 arch/x86/include/asm/segment.h

   270	
   271	/*
   272	 * early_idt_handler_array is an array of entry points referenced in the
   273	 * early IDT.  For simplicity, it's a real array with one entry point
   274	 * every nine bytes.  That leaves room for an optional 'push $0' if the
   275	 * vector has no error code (two bytes), a 'push $vector_number' (two
   276	 * bytes), and a jump to the common entry code (up to five bytes).
   277	 */
 > 278	#define EARLY_IDT_HANDLER_SIZE (9 + 4*HAS_KERNEL_IBT)
   279	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org