Hi Prarit,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on sof-driver-fuweitax/master]
[also build test ERROR on v4.19 next-20181029]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Prarit-Bhargava/fbcon-Silence-fbcon-logo-on-quiet-boots/20181029-233506
base:   https://github.com/fuweitax/linux master
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   kernel/module.c:257:18: warning: symbol 'kdb_modules' was not declared. 
Should it be static?
>> kernel/module.c:3915:41: error: incompatible types in comparison expression 
>> (different address spaces)
   kernel/module.c:4050:28: error: incompatible types in comparison expression 
(different address spaces)
   kernel/module.c:4069:41: error: incompatible types in comparison expression 
(different address spaces)

vim +3915 kernel/module.c

2e7bac53 Rusty Russell    2016-02-03  3907  
^1da177e Linus Torvalds   2005-04-16  3908  static const char 
*get_ksymbol(struct module *mod,
^1da177e Linus Torvalds   2005-04-16  3909                             unsigned 
long addr,
^1da177e Linus Torvalds   2005-04-16  3910                             unsigned 
long *size,
^1da177e Linus Torvalds   2005-04-16  3911                             unsigned 
long *offset)
^1da177e Linus Torvalds   2005-04-16  3912  {
^1da177e Linus Torvalds   2005-04-16  3913      unsigned int i, best = 0;
^1da177e Linus Torvalds   2005-04-16  3914      unsigned long nextval;
8244062e Rusty Russell    2016-02-03 @3915      struct mod_kallsyms *kallsyms = 
rcu_dereference_sched(mod->kallsyms);
^1da177e Linus Torvalds   2005-04-16  3916  
^1da177e Linus Torvalds   2005-04-16  3917      /* At worse, next value is at 
end of module */
a06f6211 Masami Hiramatsu 2009-01-06  3918      if (within_module_init(addr, 
mod))
7523e4dc Rusty Russell    2015-11-26  3919              nextval = (unsigned 
long)mod->init_layout.base+mod->init_layout.text_size;
^1da177e Linus Torvalds   2005-04-16  3920      else
7523e4dc Rusty Russell    2015-11-26  3921              nextval = (unsigned 
long)mod->core_layout.base+mod->core_layout.text_size;
^1da177e Linus Torvalds   2005-04-16  3922  
25985edc Lucas De Marchi  2011-03-30  3923      /* Scan for closest preceding 
symbol, and next symbol. (ELF
^1da177e Linus Torvalds   2005-04-16  3924         starts real symbols at 1). */
8244062e Rusty Russell    2016-02-03  3925      for (i = 1; i < 
kallsyms->num_symtab; i++) {
8244062e Rusty Russell    2016-02-03  3926              if 
(kallsyms->symtab[i].st_shndx == SHN_UNDEF)
^1da177e Linus Torvalds   2005-04-16  3927                      continue;
^1da177e Linus Torvalds   2005-04-16  3928  
^1da177e Linus Torvalds   2005-04-16  3929              /* We ignore unnamed 
symbols: they're uninformative
^1da177e Linus Torvalds   2005-04-16  3930               * and inserted at a 
whim. */
8244062e Rusty Russell    2016-02-03  3931              if (*symname(kallsyms, 
i) == '\0'
8244062e Rusty Russell    2016-02-03  3932                  || 
is_arm_mapping_symbol(symname(kallsyms, i)))
2e7bac53 Rusty Russell    2016-02-03  3933                      continue;
2e7bac53 Rusty Russell    2016-02-03  3934  
8244062e Rusty Russell    2016-02-03  3935              if 
(kallsyms->symtab[i].st_value <= addr
8244062e Rusty Russell    2016-02-03  3936                  && 
kallsyms->symtab[i].st_value > kallsyms->symtab[best].st_value)
^1da177e Linus Torvalds   2005-04-16  3937                      best = i;
8244062e Rusty Russell    2016-02-03  3938              if 
(kallsyms->symtab[i].st_value > addr
8244062e Rusty Russell    2016-02-03  3939                  && 
kallsyms->symtab[i].st_value < nextval)
8244062e Rusty Russell    2016-02-03  3940                      nextval = 
kallsyms->symtab[i].st_value;
^1da177e Linus Torvalds   2005-04-16  3941      }
^1da177e Linus Torvalds   2005-04-16  3942  
^1da177e Linus Torvalds   2005-04-16  3943      if (!best)
^1da177e Linus Torvalds   2005-04-16  3944              return NULL;
^1da177e Linus Torvalds   2005-04-16  3945  
ffb45122 Alexey Dobriyan  2007-05-08  3946      if (size)
8244062e Rusty Russell    2016-02-03  3947              *size = nextval - 
kallsyms->symtab[best].st_value;
ffb45122 Alexey Dobriyan  2007-05-08  3948      if (offset)
8244062e Rusty Russell    2016-02-03  3949              *offset = addr - 
kallsyms->symtab[best].st_value;
8244062e Rusty Russell    2016-02-03  3950      return symname(kallsyms, best);
^1da177e Linus Torvalds   2005-04-16  3951  }
^1da177e Linus Torvalds   2005-04-16  3952  

:::::: The code at line 3915 was first introduced by commit
:::::: 8244062ef1e54502ef55f54cced659913f244c3e modules: fix longstanding 
/proc/kallsyms vs module insertion race.

:::::: TO: Rusty Russell <ru...@rustcorp.com.au>
:::::: CC: Rusty Russell <ru...@rustcorp.com.au>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

Reply via email to