linux-kernel - Re: [PATCH v0] RISC-V: Use Zkr to seed KASLR base address

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Date: Sat, 1 Jun 2024 02:34:51 +0800
From: kernel test robot <lkp@...el.com>
To: Jesse Taube <jesse@...osinc.com>, linux-riscv@...ts.infradead.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev, Jesse Taube <jesse@...osinc.com>,
	Alexandre Ghiti <alexghiti@...osinc.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Björn Töpel <bjorn@...osinc.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Masahiro Yamada <masahiroy@...nel.org>
Subject: Re: [PATCH v0] RISC-V: Use Zkr to seed KASLR base address

Hi Jesse,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.10-rc1 next-20240531]
[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/Jesse-Taube/RISC-V-Use-Zkr-to-seed-KASLR-base-address/20240601-002545
base:   linus/master
patch link:    https://lore.kernel.org/r/20240531162327.2436962-1-jesse%40rivosinc.com
patch subject: [PATCH v0] RISC-V: Use Zkr to seed KASLR base address
config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20240601/202406010252.0xgcgnD7-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240601/202406010252.0xgcgnD7-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/202406010252.0xgcgnD7-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   riscv64-linux-ld: arch/riscv/kernel/pi/archrandom_early.pi.o: in function `__pi_.L0 ':
>> __pi_archrandom_early.c:(.init.pi.text+0x90): undefined reference to `__pi__printk'
--
   In file included from include/linux/kernel.h:31,
                    from include/linux/cpumask.h:11,
                    from arch/riscv/include/asm/processor.h:71,
                    from arch/riscv/include/asm/archrandom.h:13,
                    from arch/riscv/kernel/pi/archrandom_early.c:13:
>> include/linux/printk.h:619: warning: "pr_err_once" redefined
     619 | #define pr_err_once(fmt, ...)                                   \
         | 
   arch/riscv/kernel/pi/archrandom_early.c:9: note: this is the location of the previous definition
       9 | #define pr_err_once(...)
         | 


vim +/pr_err_once +619 include/linux/printk.h

16cb839f133249 Joe Perches     2011-01-12  612  
16cb839f133249 Joe Perches     2011-01-12  613  #define pr_emerg_once(fmt, ...)					\
16cb839f133249 Joe Perches     2011-01-12  614  	printk_once(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
16cb839f133249 Joe Perches     2011-01-12  615  #define pr_alert_once(fmt, ...)					\
16cb839f133249 Joe Perches     2011-01-12  616  	printk_once(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
16cb839f133249 Joe Perches     2011-01-12  617  #define pr_crit_once(fmt, ...)					\
16cb839f133249 Joe Perches     2011-01-12  618  	printk_once(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
16cb839f133249 Joe Perches     2011-01-12 @619  #define pr_err_once(fmt, ...)					\
16cb839f133249 Joe Perches     2011-01-12  620  	printk_once(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
16cb839f133249 Joe Perches     2011-01-12  621  #define pr_warn_once(fmt, ...)					\
16cb839f133249 Joe Perches     2011-01-12  622  	printk_once(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
16cb839f133249 Joe Perches     2011-01-12  623  #define pr_notice_once(fmt, ...)				\
16cb839f133249 Joe Perches     2011-01-12  624  	printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
16cb839f133249 Joe Perches     2011-01-12  625  #define pr_info_once(fmt, ...)					\
16cb839f133249 Joe Perches     2011-01-12  626  	printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
eb012d125a2419 Tetsuo Handa    2020-05-25  627  /* no pr_cont_once, don't do that... */
36d308d8b547ee Mikhail Gruzdev 2013-02-21  628  

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