[hch-misc:flush_icache_range 10/35] kernel/debug/debug_core.c:295:4: error: implicit declaration of function 'flush_cache_range'; did you mean 'flush_icache_range'?

[hch-misc:flush_icache_range 10/35] kernel/debug/debug_core.c:295:4: error: implicit declaration of function 'flush_cache_range'; did you mean 'flush_icache_range'?

[kbuild test robot]

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tree:   git://git.infradead.org/users/hch/misc.git flush_icache_range
head:   bc5fabce8570f28bcaabbca2fecaedb565a1933e
commit: 730ed167f78863c057b482b523de99d5ec278e21 [10/35] arm64: use asm-generic/cacheflush.h
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 730ed167f78863c057b482b523de99d5ec278e21
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=arm64 

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 >>):

   kernel/debug/debug_core.c: In function 'kgdb_flush_swbreak_addr':
>> kernel/debug/debug_core.c:295:4: error: implicit declaration of function 'flush_cache_range'; did you mean 'flush_icache_range'? [-Werror=implicit-function-declaration]
     295 |    flush_cache_range(current->vmacache.vmas[i],
         |    ^~~~~~~~~~~~~~~~~
         |    flush_icache_range
   cc1: some warnings being treated as errors
--
   kernel/events/uprobes.c: In function '__replace_page':
>> kernel/events/uprobes.c:203:2: error: implicit declaration of function 'flush_cache_page'; did you mean 'flush_dcache_page'? [-Werror=implicit-function-declaration]
     203 |  flush_cache_page(vma, addr, pte_pfn(*pvmw.pte));
         |  ^~~~~~~~~~~~~~~~
         |  flush_dcache_page
   cc1: some warnings being treated as errors

vim +295 kernel/debug/debug_core.c

3cd99ac3559855 kernel/debug/debug_core.c Douglas Anderson 2018-12-04  279  
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  280  /*
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  281   * Some architectures need cache flushes when we set/clear a
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  282   * breakpoint:
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  283   */
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  284  static void kgdb_flush_swbreak_addr(unsigned long addr)
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  285  {
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  286  	if (!CACHE_FLUSH_IS_SAFE)
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  287  		return;
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  288  
615d6e8756c871 kernel/debug/debug_core.c Davidlohr Bueso  2014-04-07  289  	if (current->mm) {
615d6e8756c871 kernel/debug/debug_core.c Davidlohr Bueso  2014-04-07  290  		int i;
615d6e8756c871 kernel/debug/debug_core.c Davidlohr Bueso  2014-04-07  291  
615d6e8756c871 kernel/debug/debug_core.c Davidlohr Bueso  2014-04-07  292  		for (i = 0; i < VMACACHE_SIZE; i++) {
314ff7851fc8ea kernel/debug/debug_core.c Ingo Molnar      2017-02-03  293  			if (!current->vmacache.vmas[i])
615d6e8756c871 kernel/debug/debug_core.c Davidlohr Bueso  2014-04-07  294  				continue;
314ff7851fc8ea kernel/debug/debug_core.c Ingo Molnar      2017-02-03 @295  			flush_cache_range(current->vmacache.vmas[i],
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  296  					  addr, addr + BREAK_INSTR_SIZE);
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  297  		}
615d6e8756c871 kernel/debug/debug_core.c Davidlohr Bueso  2014-04-07  298  	}
615d6e8756c871 kernel/debug/debug_core.c Davidlohr Bueso  2014-04-07  299  
1a9a3e76dde191 kernel/kgdb.c             Jason Wessel     2008-04-01  300  	/* Force flush instruction cache if it was outside the mm */
1a9a3e76dde191 kernel/kgdb.c             Jason Wessel     2008-04-01  301  	flush_icache_range(addr, addr + BREAK_INSTR_SIZE);
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  302  }
dc7d552705215a kernel/kgdb.c             Jason Wessel     2008-04-17  303  

:::::: The code at line 295 was first introduced by commit
:::::: 314ff7851fc8ea66cbf48eaa93d8ebfb5ca084a9 mm/vmacache, sched/headers: Introduce 'struct vmacache' and move it from <linux/sched.h> to <linux/mm_types>

:::::: TO: Ingo Molnar <mingo@kernel.org>
:::::: CC: Ingo Molnar <mingo@kernel.org>

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

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