[jimc:dd-cached-prefix 66/71] lib/dynamic_debug.c:2205:2: error: #endif without #if

tree:   https://github.com/jimc/linux.git dd-cached-prefix
head:   9c2bc97085eaafb97fb747811e19d549297d5e0a
commit: f5a1c2c15cfd150a90470a1fefc12568fbce7441 [66/71] dyndbg: Combine 3 site-data maple trees into a single tree
config: i386-randconfig-011-20260812 (https://download.01.org/0day-ci/archive/20260818/[email protected]/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260818/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

Note: the jimc/dd-cached-prefix HEAD 9c2bc97085eaafb97fb747811e19d549297d5e0a builds fine.
      It only hurts bisectability.

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

   lib/dynamic_debug.c: In function 'ddebug_proc_show':
   lib/dynamic_debug.c:1435:58: error: 'pr_prefixes_count' undeclared (first use in this function); did you mean 'pr_prefixes_lock'?
    1435 |                 seq_printf(m, "#: cached_prefixes=%u\n", pr_prefixes_count);
         |                                                          ^~~~~~~~~~~~~~~~~
         |                                                          pr_prefixes_lock
   lib/dynamic_debug.c:1435:58: note: each undeclared identifier is reported only once for each function it appears in
   lib/dynamic_debug.c: At top level:
>> lib/dynamic_debug.c:2205:2: error: #endif without #if
    2205 | #endif
         |  ^~~~~
>> lib/dynamic_debug.c:2160:13: warning: 'ddebug_prefix_range' defined but not used [-Wunused-function]
    2160 | static void ddebug_prefix_range(const struct _ddebug *desc,
         |             ^~~~~~~~~~~~~~~~~~~


vim +2205 lib/dynamic_debug.c

f5a1c2c15cfd15 Jim Cromie 2026-06-24  2159  
ecf273dd666033 Jim Cromie 2026-06-29 @2160  static void ddebug_prefix_range(const struct _ddebug *desc,
ecf273dd666033 Jim Cromie 2026-06-29  2161  				struct _dd_prefix_key_range *range)
ecf273dd666033 Jim Cromie 2026-06-29  2162  {
ecf273dd666033 Jim Cromie 2026-06-29  2163  	unsigned long addr = (unsigned long)desc;
ecf273dd666033 Jim Cromie 2026-06-29  2164  	unsigned long start = addr;
ecf273dd666033 Jim Cromie 2026-06-29  2165  	unsigned long end = addr;
ecf273dd666033 Jim Cromie 2026-06-29  2166  	uint8_t flags = prefix_flags(desc->flags);
ecf273dd666033 Jim Cromie 2026-06-29  2167  
ecf273dd666033 Jim Cromie 2026-06-29  2168  	if (flags & _DPRINTK_FLAGS_INCL_LINENO) {
ecf273dd666033 Jim Cromie 2026-06-29  2169  		/*
ecf273dd666033 Jim Cromie 2026-06-29  2170  		 * except for amdgpu, which has macros with 2+ pr_debugs,
ecf273dd666033 Jim Cromie 2026-06-29  2171  		 * all prefixes with line-numbers are unique.
ecf273dd666033 Jim Cromie 2026-06-29  2172  		 */
ecf273dd666033 Jim Cromie 2026-06-29  2173  		range->start = range->end = ddebug_prefix_key(desc);
ecf273dd666033 Jim Cromie 2026-06-29  2174  		return;
ecf273dd666033 Jim Cromie 2026-06-29  2175  	}
ecf273dd666033 Jim Cromie 2026-06-29  2176  
ecf273dd666033 Jim Cromie 2026-06-29  2177  	/* 1. Module Level (Always the base for sharing) */
ecf273dd666033 Jim Cromie 2026-06-29  2178  	{
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2179  		unsigned long mod_start, mod_end;
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2180  		ddebug_resolve_range(&dd_site_map, addr, &mod_start, &mod_end, DD_TAG_MOD);
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2181  		start = mod_start;
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2182  		end = mod_end;
ecf273dd666033 Jim Cromie 2026-06-29  2183  	}
ecf273dd666033 Jim Cromie 2026-06-29  2184  
ecf273dd666033 Jim Cromie 2026-06-29  2185  	/* 2. File Level (Narrow further if +s is set) */
ecf273dd666033 Jim Cromie 2026-06-29  2186  	if (flags & _DPRINTK_FLAGS_INCL_SOURCENAME) {
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2187  		unsigned long file_start, file_end;
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2188  		ddebug_resolve_range(&dd_site_map, addr, &file_start, &file_end, DD_TAG_FILE);
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2189  		start = max(start, file_start);
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2190  		end = min(end, file_end);
ecf273dd666033 Jim Cromie 2026-06-29  2191  	}
ecf273dd666033 Jim Cromie 2026-06-29  2192  
ecf273dd666033 Jim Cromie 2026-06-29  2193  	/* 3. Function Level (Narrow if +f is set) */
ecf273dd666033 Jim Cromie 2026-06-29  2194  	if (flags & _DPRINTK_FLAGS_INCL_FUNCNAME) {
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2195  		unsigned long func_start, func_end;
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2196  		ddebug_resolve_range(&dd_site_map, addr, &func_start, &func_end, DD_TAG_FUNC);
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2197  		start = max(start, func_start);
f5a1c2c15cfd15 Jim Cromie 2026-06-24  2198  		end = min(end, func_end);
ecf273dd666033 Jim Cromie 2026-06-29  2199  	}
ecf273dd666033 Jim Cromie 2026-06-29  2200  
ecf273dd666033 Jim Cromie 2026-06-29  2201  	/* Convert descriptor addresses to top-shifted flag-partitioned keys */
ecf273dd666033 Jim Cromie 2026-06-29  2202  	range->start = ddebug_pack_key(start, flags);
ecf273dd666033 Jim Cromie 2026-06-29  2203  	range->end = ddebug_pack_key(end, flags);
ecf273dd666033 Jim Cromie 2026-06-29  2204  }
ecf273dd666033 Jim Cromie 2026-06-29 @2205  #endif
ecf273dd666033 Jim Cromie 2026-06-29  2206  

:::::: The code at line 2205 was first introduced by commit
:::::: ecf273dd6660331c645940bfe8e7bbca17921ef9 dyndbg: cache shared dynamic prefixes

:::::: TO: Jim Cromie <[email protected]>
:::::: CC: Jim Cromie <[email protected]>

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