tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4bbf9020becbfd8fc2c3da790855b7042fad455b commit: 974b9b2c68f3d35a65e80af9657fe378d2439b60 mm: consolidate pte_index() and pte_offset_*() definitions date: 4 years, 6 months ago config: sh-randconfig-002-20241212 (https://download.01.org/0day-ci/archive/20241223/202412230702.CnrUBP57-lkp@xxxxxxxxx/config) compiler: sh4-linux-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241223/202412230702.CnrUBP57-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202412230702.CnrUBP57-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): cc1: error: arch/sh/include/mach-highlander: No such file or directory [-Werror=missing-include-dirs] cc1: error: arch/sh/include/mach-sdk7780: No such file or directory [-Werror=missing-include-dirs] cc1: error: arch/sh/include/mach-highlander: No such file or directory [-Werror=missing-include-dirs] cc1: error: arch/sh/include/mach-sdk7780: No such file or directory [-Werror=missing-include-dirs] arch/sh/mm/cache-sh4.c: In function 'flush_cache_one': arch/sh/mm/cache-sh4.c:98:31: error: 'cached_to_uncached' undeclared (first use in this function); did you mean 'jump_to_uncached'? 98 | exec_offset = cached_to_uncached; | ^~~~~~~~~~~~~~~~~~ | jump_to_uncached arch/sh/mm/cache-sh4.c:98:31: note: each undeclared identifier is reported only once for each function it appears in In file included from include/linux/init.h:5, from arch/sh/mm/cache-sh4.c:13: arch/sh/mm/cache-sh4.c: In function 'sh4_flush_cache_mm': arch/sh/mm/cache-sh4.c:191:13: error: implicit declaration of function 'cpu_context'; did you mean 'put_io_context'? [-Werror=implicit-function-declaration] 191 | if (cpu_context(smp_processor_id(), mm) == NO_CONTEXT) | ^~~~~~~~~~~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ arch/sh/mm/cache-sh4.c:191:9: note: in expansion of macro 'if' 191 | if (cpu_context(smp_processor_id(), mm) == NO_CONTEXT) | ^~ arch/sh/mm/cache-sh4.c: In function 'sh4_flush_cache_page': arch/sh/mm/cache-sh4.c:223:15: error: implicit declaration of function 'pmd_off' [-Werror=implicit-function-declaration] 223 | pmd = pmd_off(vma->vm_mm, address); | ^~~~~~~ arch/sh/mm/cache-sh4.c:223:13: error: assignment to 'pmd_t *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion] 223 | pmd = pmd_off(vma->vm_mm, address); | ^ >> arch/sh/mm/cache-sh4.c:224:15: error: implicit declaration of function 'pte_offset_kernel' [-Werror=implicit-function-declaration] 224 | pte = pte_offset_kernel(pmd, address); | ^~~~~~~~~~~~~~~~~ arch/sh/mm/cache-sh4.c:224:13: error: assignment to 'pte_t *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion] 224 | pte = pte_offset_kernel(pmd, address); | ^ arch/sh/mm/cache-sh4.c: At top level: arch/sh/mm/cache-sh4.c:373:13: error: no previous prototype for 'sh4_cache_init' [-Werror=missing-prototypes] 373 | void __init sh4_cache_init(void) | ^~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/pte_offset_kernel +224 arch/sh/mm/cache-sh4.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 196 ^1da177e4c3f41 Linus Torvalds 2005-04-16 197 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 198 * Write back and invalidate I/D-caches for the page. ^1da177e4c3f41 Linus Torvalds 2005-04-16 199 * ^1da177e4c3f41 Linus Torvalds 2005-04-16 200 * ADDR: Virtual Address (U0 address) ^1da177e4c3f41 Linus Torvalds 2005-04-16 201 * PFN: Physical page number ^1da177e4c3f41 Linus Torvalds 2005-04-16 202 */ f26b2a562b46ab Paul Mundt 2009-08-21 203 static void sh4_flush_cache_page(void *args) ^1da177e4c3f41 Linus Torvalds 2005-04-16 204 { f26b2a562b46ab Paul Mundt 2009-08-21 205 struct flusher_data *data = args; f26b2a562b46ab Paul Mundt 2009-08-21 206 struct vm_area_struct *vma; deaef20e9789d9 Paul Mundt 2009-09-09 207 struct page *page; f26b2a562b46ab Paul Mundt 2009-08-21 208 unsigned long address, pfn, phys; deaef20e9789d9 Paul Mundt 2009-09-09 209 int map_coherent = 0; deaef20e9789d9 Paul Mundt 2009-09-09 210 pmd_t *pmd; deaef20e9789d9 Paul Mundt 2009-09-09 211 pte_t *pte; deaef20e9789d9 Paul Mundt 2009-09-09 212 void *vaddr; b638d0b921dc95 Richard Curnow 2006-09-27 213 f26b2a562b46ab Paul Mundt 2009-08-21 214 vma = data->vma; abeaf33a410176 Paul Mundt 2009-10-16 215 address = data->addr1 & PAGE_MASK; f26b2a562b46ab Paul Mundt 2009-08-21 216 pfn = data->addr2; f26b2a562b46ab Paul Mundt 2009-08-21 217 phys = pfn << PAGE_SHIFT; deaef20e9789d9 Paul Mundt 2009-09-09 218 page = pfn_to_page(pfn); f26b2a562b46ab Paul Mundt 2009-08-21 219 e7b8b7f16edc9b Paul Mundt 2009-08-15 220 if (cpu_context(smp_processor_id(), vma->vm_mm) == NO_CONTEXT) e7b8b7f16edc9b Paul Mundt 2009-08-15 221 return; e7b8b7f16edc9b Paul Mundt 2009-08-15 222 e05c7b1f2bc4b7 Mike Rapoport 2020-06-08 223 pmd = pmd_off(vma->vm_mm, address); deaef20e9789d9 Paul Mundt 2009-09-09 @224 pte = pte_offset_kernel(pmd, address); deaef20e9789d9 Paul Mundt 2009-09-09 225 deaef20e9789d9 Paul Mundt 2009-09-09 226 /* If the page isn't present, there is nothing to do here. */ deaef20e9789d9 Paul Mundt 2009-09-09 227 if (!(pte_val(*pte) & _PAGE_PRESENT)) deaef20e9789d9 Paul Mundt 2009-09-09 228 return; ^1da177e4c3f41 Linus Torvalds 2005-04-16 229 deaef20e9789d9 Paul Mundt 2009-09-09 230 if ((vma->vm_mm == current->active_mm)) deaef20e9789d9 Paul Mundt 2009-09-09 231 vaddr = NULL; deaef20e9789d9 Paul Mundt 2009-09-09 232 else { b638d0b921dc95 Richard Curnow 2006-09-27 233 /* deaef20e9789d9 Paul Mundt 2009-09-09 234 * Use kmap_coherent or kmap_atomic to do flushes for deaef20e9789d9 Paul Mundt 2009-09-09 235 * another ASID than the current one. b638d0b921dc95 Richard Curnow 2006-09-27 236 */ deaef20e9789d9 Paul Mundt 2009-09-09 237 map_coherent = (current_cpu_data.dcache.n_aliases && 55661fc1f105ed Paul Mundt 2010-12-01 238 test_bit(PG_dcache_clean, &page->flags) && e1534ae95004d6 Kirill A. Shutemov 2016-01-15 239 page_mapcount(page)); deaef20e9789d9 Paul Mundt 2009-09-09 240 if (map_coherent) deaef20e9789d9 Paul Mundt 2009-09-09 241 vaddr = kmap_coherent(page, address); deaef20e9789d9 Paul Mundt 2009-09-09 242 else bc3e11be88010e Cong Wang 2011-11-25 243 vaddr = kmap_atomic(page); deaef20e9789d9 Paul Mundt 2009-09-09 244 deaef20e9789d9 Paul Mundt 2009-09-09 245 address = (unsigned long)vaddr; deaef20e9789d9 Paul Mundt 2009-09-09 246 } deaef20e9789d9 Paul Mundt 2009-09-09 247 abeaf33a410176 Paul Mundt 2009-10-16 248 flush_cache_one(CACHE_OC_ADDRESS_ARRAY | deaef20e9789d9 Paul Mundt 2009-09-09 249 (address & shm_align_mask), phys); deaef20e9789d9 Paul Mundt 2009-09-09 250 deaef20e9789d9 Paul Mundt 2009-09-09 251 if (vma->vm_flags & VM_EXEC) deaef20e9789d9 Paul Mundt 2009-09-09 252 flush_icache_all(); deaef20e9789d9 Paul Mundt 2009-09-09 253 deaef20e9789d9 Paul Mundt 2009-09-09 254 if (vaddr) { deaef20e9789d9 Paul Mundt 2009-09-09 255 if (map_coherent) deaef20e9789d9 Paul Mundt 2009-09-09 256 kunmap_coherent(vaddr); deaef20e9789d9 Paul Mundt 2009-09-09 257 else bc3e11be88010e Cong Wang 2011-11-25 258 kunmap_atomic(vaddr); ^1da177e4c3f41 Linus Torvalds 2005-04-16 259 } b638d0b921dc95 Richard Curnow 2006-09-27 260 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 261 :::::: The code at line 224 was first introduced by commit :::::: deaef20e9789d93c06d2d3b5ffc99939814802ca sh: Rework sh4_flush_cache_page() for coherent kmap mapping. :::::: TO: Paul Mundt <lethal@xxxxxxxxxxxx> :::::: CC: Paul Mundt <lethal@xxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
