linux-kernel - [xtensa] arch/xtensa/include/asm/processor.h:14:26: fatal error: variant/core.h: No such file or directory

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Date:	Mon, 14 Mar 2016 10:18:37 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Chris Zankel <chris@...kel.net>
Cc:	lkp@...el.com, LKML <linux-kernel@...r.kernel.org>,
	Max Filippov <jcmvbkbc@...il.com>,
	linux-xtensa@...ux-xtensa.org
Subject: [xtensa] arch/xtensa/include/asm/processor.h:14:26: fatal error:
 variant/core.h: No such file or directory

Hi Chris,

FYI, xtensa has an error that happen in the below 2 configs:

        xtensa-audio_kc705_defconfig (attached as .config)
        xtensa-smp_lx200_defconfig

It's too old to be bisect friendly. It'd be great if can be fixed.

   In file included from arch/xtensa/include/asm/bitops.h:22:0,
                    from include/linux/bitops.h:33,
                    from include/linux/kernel.h:10,
                    from include/asm-generic/bug.h:13,
                    from arch/xtensa/include/generated/asm/bug.h:1,
                    from include/linux/bug.h:4,
                    from include/linux/page-flags.h:9,
                    from kernel/bounds.c:9:
>> arch/xtensa/include/asm/processor.h:14:26: fatal error: variant/core.h: No such file or directory
    #include <variant/core.h>
                             ^
   compilation terminated.
   make[2]: *** [kernel/bounds.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +14 arch/xtensa/include/asm/processor.h

9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23   1  /*
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23   2   * include/asm-xtensa/processor.h
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23   3   *
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23   4   * This file is subject to the terms and conditions of the GNU General Public
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23   5   * License.  See the file "COPYING" in the main directory of this archive
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23   6   * for more details.
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23   7   *
2d1c645c arch/xtensa/include/asm/processor.h Marc Gauthier   2013-01-05   8   * Copyright (C) 2001 - 2008 Tensilica Inc.
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23   9   */
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  10  
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  11  #ifndef _XTENSA_PROCESSOR_H
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  12  #define _XTENSA_PROCESSOR_H
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  13  
367b8112 arch/xtensa/include/asm/processor.h Chris Zankel    2008-11-06 @14  #include <variant/core.h>
e5083a63 arch/xtensa/include/asm/processor.h Johannes Weiner 2009-03-04  15  #include <platform/hardware.h>
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  16  
f6dc8c5b include/asm-xtensa/processor.h      Chase Venters   2006-07-08  17  #include <linux/compiler.h>
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  18  #include <asm/ptrace.h>
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  19  #include <asm/types.h>
173d6681 include/asm-xtensa/processor.h      Chris Zankel    2006-12-10  20  #include <asm/regs.h>
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  21  
9a8fd558 include/asm-xtensa/processor.h      Chris Zankel    2005-06-23  22  /* Assertions. */

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