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Message-ID: <202412230702.CnrUBP57-lkp@intel.com>
Date: Mon, 23 Dec 2024 07:36:27 +0800
From: kernel test robot <lkp@...el.com>
To: Mike Rapoport <rppt@...ux.ibm.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>
Subject: arch/sh/mm/cache-sh4.c:224:15: error: implicit declaration of
function 'pte_offset_kernel'
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@intel.com/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@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/202412230702.CnrUBP57-lkp@intel.com/
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@...ux-sh.org>
:::::: CC: Paul Mundt <lethal@...ux-sh.org>
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