linux-hardening - Re: [PATCH 2/4] arm64, powerpc, riscv, s390, x86: Refactor CONFIG_DEBUG

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Date: Wed, 10 Jan 2024 13:18:22 +0800
From: kernel test robot <lkp@...el.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-hardening@...r.kernel.org,
	Russell King <linux@...linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...nel.org>,
	"Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Sven Schnelle <svens@...ux.ibm.com>,
	Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>, Andy Lutomirski <luto@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kees Cook <keescook@...omium.org>
Cc: oe-kbuild-all@...ts.linux.dev,
	Linux Memory Management List <linux-mm@...ck.org>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/4] arm64, powerpc, riscv, s390, x86: Refactor
 CONFIG_DEBUG_WX

Hi Christophe,

kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/fixes s390/features tip/x86/mm linus/master v6.7]
[cannot apply to next-20240109]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Christophe-Leroy/arm-ptdump-Rename-CONFIG_DEBUG_WX-to-CONFIG_ARM_DEBUG_WX/20240109-201723
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/b1e2171587806648500fd305918bc7e90abdeeb5.1704800524.git.christophe.leroy%40csgroup.eu
patch subject: [PATCH 2/4] arm64, powerpc, riscv, s390, x86: Refactor CONFIG_DEBUG_WX
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20240110/202401101318.RjNdYJu1-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240110/202401101318.RjNdYJu1-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401101318.RjNdYJu1-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from init/main.c:102:
>> include/linux/ptdump.h:22:26: error: macro "ptdump_check_wx" passed 1 arguments, but takes just 0
      22 | void ptdump_check_wx(void);
         |                          ^
   In file included from arch/x86/include/asm/tlbflush.h:16,
                    from arch/x86/include/asm/uaccess.h:17,
                    from include/linux/uaccess.h:11,
                    from include/linux/sched/task.h:11,
                    from include/linux/sched/signal.h:9,
                    from include/linux/rcuwait.h:6,
                    from include/linux/percpu-rwsem.h:7,
                    from include/linux/fs.h:33,
                    from include/linux/proc_fs.h:10,
                    from init/main.c:18:
   arch/x86/include/asm/pgtable.h:35: note: macro "ptdump_check_wx" defined here
      35 | #define ptdump_check_wx() ptdump_walk_pgd_level_checkwx()
         | 


vim +/ptdump_check_wx +22 include/linux/ptdump.h

    20	
    21	void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd);
  > 22	void ptdump_check_wx(void);
    23	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki