[rgushchin:vmap_stack.2 372/400] kernel//printk/printk.c:1949:11: error: passing argument 1 of '__builtin_va_start' from incompatible pointer type

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tree:   https://github.com/rgushchin/linux.git vmap_stack.2
head:   b61822b6662d7f8ad726217bb05c1acc417c1a6e
commit: 2e06a5b89f867e96144d8a9fea1b9d9644b87a8b [372/400] linux-next-git-rejects
config: i386-randconfig-x077-201832 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        git checkout 2e06a5b89f867e96144d8a9fea1b9d9644b87a8b
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from include/linux/kernel.h:6:0,
                    from kernel//printk/printk.c:19:
   /usr/lib/gcc/x86_64-linux-gnu/7/include/stdarg.h:40:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'typedef'
    typedef __builtin_va_list __gnuc_va_list;
    ^~~~~~~
   In file included from include/linux/kernel.h:6:0,
                    from kernel//printk/printk.c:19:
   /usr/lib/gcc/x86_64-linux-gnu/7/include/stdarg.h:99:9: error: unknown type name '__gnuc_va_list'
    typedef __gnuc_va_list va_list;
            ^~~~~~~~~~~~~~
   In file included from include/linux/kernel.h:6:0,
                    from kernel//printk/printk.c:19:
   kernel//printk/printk.c: In function 'printk_emit':
>> kernel//printk/printk.c:1949:11: error: passing argument 1 of '__builtin_va_start' from incompatible pointer type [-Werror=incompatible-pointer-types]
     va_start(args, fmt);
              ^
   kernel//printk/printk.c:1949:11: note: expected 'char **' but argument is of type 'va_list * {aka int *}'
>> kernel//printk/printk.c:1951:9: error: passing argument 1 of '__builtin_va_end' from incompatible pointer type [-Werror=incompatible-pointer-types]
     va_end(args);
            ^
   kernel//printk/printk.c:1951:9: note: expected 'char **' but argument is of type 'va_list * {aka int *}'
   kernel//printk/printk.c: In function 'printk':
   kernel//printk/printk.c:2000:11: error: passing argument 1 of '__builtin_va_start' from incompatible pointer type [-Werror=incompatible-pointer-types]
     va_start(args, fmt);
              ^
   kernel//printk/printk.c:2000:11: note: expected 'char **' but argument is of type 'va_list * {aka int *}'
   kernel//printk/printk.c:2002:9: error: passing argument 1 of '__builtin_va_end' from incompatible pointer type [-Werror=incompatible-pointer-types]
     va_end(args);
            ^
   kernel//printk/printk.c:2002:9: note: expected 'char **' but argument is of type 'va_list * {aka int *}'
   kernel//printk/printk.c: In function 'early_printk':
   kernel//printk/printk.c:2051:11: error: passing argument 1 of '__builtin_va_start' from incompatible pointer type [-Werror=incompatible-pointer-types]
     va_start(ap, fmt);
              ^
   kernel//printk/printk.c:2051:11: note: expected 'char **' but argument is of type 'va_list * {aka int *}'
   kernel//printk/printk.c:2053:9: error: passing argument 1 of '__builtin_va_end' from incompatible pointer type [-Werror=incompatible-pointer-types]
     va_end(ap);
            ^
   kernel//printk/printk.c:2053:9: note: expected 'char **' but argument is of type 'va_list * {aka int *}'
   kernel//printk/printk.c: In function 'printk_deferred':
   kernel//printk/printk.c:2925:11: error: passing argument 1 of '__builtin_va_start' from incompatible pointer type [-Werror=incompatible-pointer-types]
     va_start(args, fmt);
              ^
   kernel//printk/printk.c:2925:11: note: expected 'char **' but argument is of type 'va_list * {aka int *}'
   kernel//printk/printk.c:2927:9: error: passing argument 1 of '__builtin_va_end' from incompatible pointer type [-Werror=incompatible-pointer-types]
     va_end(args);
            ^
   kernel//printk/printk.c:2927:9: note: expected 'char **' but argument is of type 'va_list * {aka int *}'
   cc1: some warnings being treated as errors

vim +/__builtin_va_start +1949 kernel//printk/printk.c

^1da177e kernel/printk.c Linus Torvalds 2005-04-16  1941  
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1942  asmlinkage int printk_emit(int facility, int level,
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1943  			   const char *dict, size_t dictlen,
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1944  			   const char *fmt, ...)
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1945  {
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1946  	va_list args;
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1947  	int r;
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1948  
7ff9554b kernel/printk.c Kay Sievers    2012-05-03 @1949  	va_start(args, fmt);
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1950  	r = vprintk_emit(facility, level, dict, dictlen, fmt, args);
7ff9554b kernel/printk.c Kay Sievers    2012-05-03 @1951  	va_end(args);
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1952  
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1953  	return r;
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1954  }
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1955  EXPORT_SYMBOL(printk_emit);
7ff9554b kernel/printk.c Kay Sievers    2012-05-03  1956  

:::::: The code at line 1949 was first introduced by commit
:::::: 7ff9554bb578ba02166071d2d487b7fc7d860d62 printk: convert byte-buffer to variable-length record buffer

:::::: TO: Kay Sievers <kay@xxxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

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

Attachment: .config.gz
Description: application/gzip


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