From: kernel test robot <lkp@intel.com>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [linux-next:master 5015/5284] arch/powerpc/mm/init_64.c:201:15: error: no previous prototype for function '__vmemmap_populate'
Date: Fri, 28 Jul 2023 16:29:13 +0800 [thread overview]
Message-ID: <202307281617.OxcXz84j-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: d7b3af5a77e8d8da28f435f313e069aea5bcf172
commit: 5d1acc0d9b24e48fde5297a6a40cb9c1a682d740 [5015/5284] powerpc/book3s64/radix: remove mmu_vmemmap_psize
config: powerpc-ppc64e_defconfig (https://download.01.org/0day-ci/archive/20230728/202307281617.OxcXz84j-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce: (https://download.01.org/0day-ci/archive/20230728/202307281617.OxcXz84j-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307281617.OxcXz84j-lkp@intel.com/
All errors (new ones prefixed by >>):
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:231:1: note: expanded from here
__do_insw
^
arch/powerpc/include/asm/io.h:610:56: note: expanded from macro '__do_insw'
#define __do_insw(p, b, n) readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/mm/init_64.c:27:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:672:
arch/powerpc/include/asm/io-defs.h:47:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:669:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:233:1: note: expanded from here
__do_insl
^
arch/powerpc/include/asm/io.h:611:56: note: expanded from macro '__do_insl'
#define __do_insl(p, b, n) readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/mm/init_64.c:27:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:672:
arch/powerpc/include/asm/io-defs.h:49:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:669:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:235:1: note: expanded from here
__do_outsb
^
arch/powerpc/include/asm/io.h:612:58: note: expanded from macro '__do_outsb'
#define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/mm/init_64.c:27:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:672:
arch/powerpc/include/asm/io-defs.h:51:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:669:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:237:1: note: expanded from here
__do_outsw
^
arch/powerpc/include/asm/io.h:613:58: note: expanded from macro '__do_outsw'
#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
In file included from arch/powerpc/mm/init_64.c:27:
In file included from include/linux/swap.h:9:
In file included from include/linux/memcontrol.h:13:
In file included from include/linux/cgroup.h:26:
In file included from include/linux/kernel_stat.h:9:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from arch/powerpc/include/asm/hardirq.h:6:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/powerpc/include/asm/io.h:672:
arch/powerpc/include/asm/io-defs.h:53:1: error: performing pointer arithmetic on a null pointer has undefined behavior [-Werror,-Wnull-pointer-arithmetic]
DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/io.h:669:3: note: expanded from macro 'DEF_PCI_AC_NORET'
__do_##name al; \
^~~~~~~~~~~~~~
<scratch space>:239:1: note: expanded from here
__do_outsl
^
arch/powerpc/include/asm/io.h:614:58: note: expanded from macro '__do_outsl'
#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
~~~~~~~~~~~~~~~~~~~~~^
>> arch/powerpc/mm/init_64.c:201:15: error: no previous prototype for function '__vmemmap_populate' [-Werror,-Wmissing-prototypes]
int __meminit __vmemmap_populate(unsigned long start, unsigned long end, int node,
^
arch/powerpc/mm/init_64.c:201:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int __meminit __vmemmap_populate(unsigned long start, unsigned long end, int node,
^
static
13 errors generated.
vim +/__vmemmap_populate +201 arch/powerpc/mm/init_64.c
200
> 201 int __meminit __vmemmap_populate(unsigned long start, unsigned long end, int node,
202 struct vmem_altmap *altmap)
203 {
204 bool altmap_alloc;
205 unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
206
207 /* Align to the page size of the linear mapping. */
208 start = ALIGN_DOWN(start, page_size);
209
210 pr_debug("vmemmap_populate %lx..%lx, node %d\n", start, end, node);
211
212 for (; start < end; start += page_size) {
213 void *p = NULL;
214 int rc;
215
216 /*
217 * This vmemmap range is backing different subsections. If any
218 * of that subsection is marked valid, that means we already
219 * have initialized a page table covering this range and hence
220 * the vmemmap range is populated.
221 */
222 if (vmemmap_populated(start, page_size))
223 continue;
224
225 /*
226 * Allocate from the altmap first if we have one. This may
227 * fail due to alignment issues when using 16MB hugepages, so
228 * fall back to system memory if the altmap allocation fail.
229 */
230 if (altmap && !altmap_cross_boundary(altmap, start, page_size)) {
231 p = vmemmap_alloc_block_buf(page_size, node, altmap);
232 if (!p)
233 pr_debug("altmap block allocation failed, falling back to system memory");
234 else
235 altmap_alloc = true;
236 }
237 if (!p) {
238 p = vmemmap_alloc_block_buf(page_size, node, NULL);
239 altmap_alloc = false;
240 }
241 if (!p)
242 return -ENOMEM;
243
244 if (vmemmap_list_populate(__pa(p), start, node)) {
245 /*
246 * If we don't populate vmemap list, we don't have
247 * the ability to free the allocated vmemmap
248 * pages in section_deactivate. Hence free them
249 * here.
250 */
251 int nr_pfns = page_size >> PAGE_SHIFT;
252 unsigned long page_order = get_order(page_size);
253
254 if (altmap_alloc)
255 vmem_altmap_free(altmap, nr_pfns);
256 else
257 free_pages((unsigned long)p, page_order);
258 return -ENOMEM;
259 }
260
261 pr_debug(" * %016lx..%016lx allocated at %p\n",
262 start, start + page_size, p);
263
264 rc = vmemmap_create_mapping(start, page_size, __pa(p));
265 if (rc < 0) {
266 pr_warn("%s: Unable to create vmemmap mapping: %d\n",
267 __func__, rc);
268 return -EFAULT;
269 }
270 }
271
272 return 0;
273 }
274
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-07-28 8:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-28 8:29 kernel test robot [this message]
2023-07-28 10:16 ` Aneesh Kumar K V
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