[peterz-queue:master 18/30] arch/arm/include/asm/percpu.h:29:34: error: 'current_stack_pointer' undeclared; did you mean 'user_stack_pointer'?

[peterz-queue:master 18/30] arch/arm/include/asm/percpu.h:29:34: error: 'current_stack_pointer' undeclared; did you mean 'user_stack_pointer'?

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git master
head:   532679914f337fc8b4e4a9d9e003accbbacabc45
commit: 04048bed6bc498bd775ff1ff7485177a82840d39 [18/30] lockdep: Change hardirq{s_enabled,_context} to per-cpu variables
config: arm-defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 04048bed6bc498bd775ff1ff7485177a82840d39
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 

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

All errors (new ones prefixed by >>, old ones prefixed by <<):

In file included from include/linux/irqflags.h:17,
from arch/arm/include/asm/bitops.h:28,
from include/linux/bitops.h:29,
from include/linux/kernel.h:12,
from include/asm-generic/bug.h:19,
from arch/arm/include/asm/bug.h:60,
from include/linux/bug.h:5,
from include/linux/page-flags.h:10,
from kernel/bounds.c:10:
arch/arm/include/asm/percpu.h: In function '__my_cpu_offset':
>> arch/arm/include/asm/percpu.h:29:34: error: 'current_stack_pointer' undeclared (first use in this function); did you mean 'user_stack_pointer'?
29 |   : "Q" (*(const unsigned long *)current_stack_pointer));
|                                  ^~~~~~~~~~~~~~~~~~~~~
|                                  user_stack_pointer
arch/arm/include/asm/percpu.h:29:34: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [scripts/Makefile.build:100: kernel/bounds.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1149: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:180: sub-make] Error 2

vim +29 arch/arm/include/asm/percpu.h

14318efb322e2f Rob Herring     2012-11-29  18  
14318efb322e2f Rob Herring     2012-11-29  19  static inline unsigned long __my_cpu_offset(void)
14318efb322e2f Rob Herring     2012-11-29  20  {
14318efb322e2f Rob Herring     2012-11-29  21  	unsigned long off;
509eb76ebf9771 Will Deacon     2013-06-05  22  
509eb76ebf9771 Will Deacon     2013-06-05  23  	/*
509eb76ebf9771 Will Deacon     2013-06-05  24  	 * Read TPIDRPRW.
509eb76ebf9771 Will Deacon     2013-06-05  25  	 * We want to allow caching the value, so avoid using volatile and
509eb76ebf9771 Will Deacon     2013-06-05  26  	 * instead use a fake stack read to hazard against barrier().
509eb76ebf9771 Will Deacon     2013-06-05  27  	 */
ccbd2da50db211 Mark Charlebois 2014-09-27  28  	asm("mrc p15, 0, %0, c13, c0, 4" : "=r" (off)
ccbd2da50db211 Mark Charlebois 2014-09-27 @29  		: "Q" (*(const unsigned long *)current_stack_pointer));
509eb76ebf9771 Will Deacon     2013-06-05  30  
14318efb322e2f Rob Herring     2012-11-29  31  	return off;
14318efb322e2f Rob Herring     2012-11-29  32  }
14318efb322e2f Rob Herring     2012-11-29  33  #define __my_cpu_offset __my_cpu_offset()
14318efb322e2f Rob Herring     2012-11-29  34  #else
14318efb322e2f Rob Herring     2012-11-29  35  #define set_my_cpu_offset(x)	do {} while(0)
14318efb322e2f Rob Herring     2012-11-29  36  

:::::: The code at line 29 was first introduced by commit
:::::: ccbd2da50db2111f6d055e3201c39a37e542ceb6 ARM: 8174/1: Use global stack register variable for percpu

:::::: TO: Mark Charlebois <charlebm@gmail.com>
:::::: CC: Russell King <rmk+kernel@arm.linux.org.uk>

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

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