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Message-ID: <202212201853.I5OEW2yS-lkp@intel.com>
Date: Tue, 20 Dec 2022 18:59:41 +0800
From: kernel test robot <lkp@...el.com>
To: Chih-En Lin <shiyn.lin@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Qi Zheng <zhengqi.arch@...edance.com>,
David Hildenbrand <david@...hat.com>,
Matthew Wilcox <willy@...radead.org>,
Christophe Leroy <christophe.leroy@...roup.eu>,
John Hubbard <jhubbard@...dia.com>,
Nadav Amit <namit@...are.com>
Cc: oe-kbuild-all@...ts.linux.dev,
Linux Memory Management List <linux-mm@...ck.org>,
linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Yang Shi <shy828301@...il.com>, Peter Xu <peterx@...hat.com>,
Zach O'Keefe <zokeefe@...gle.com>,
"Liam R . Howlett" <Liam.Howlett@...cle.com>,
Alex Sierra <alex.sierra@....com>,
Xianting Tian <xianting.tian@...ux.alibaba.com>,
Colin Cross <ccross@...gle.com>,
Suren Baghdasaryan <surenb@...gle.com>,
Barry Song <baohua@...nel.org>,
Pasha Tatashin <pasha.tatashin@...een.com>,
Suleiman Souhlal <suleiman@...gle.com>,
Brian Geffon <bgeffon@...gle.com>
Subject: Re: [PATCH v3 02/14] mm: Add Copy-On-Write PTE to fork()
Hi Chih-En,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on v6.1-rc7]
[also build test ERROR on next-20221220]
[cannot apply to akpm-mm/mm-everything tip/perf/core acme/perf/core linus/master v6.1 v6.1-rc8]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Chih-En-Lin/Introduce-Copy-On-Write-to-Page-Table/20221220-153207
patch link: https://lore.kernel.org/r/20221220072743.3039060-3-shiyn.lin%40gmail.com
patch subject: [PATCH v3 02/14] mm: Add Copy-On-Write PTE to fork()
config: powerpc-allnoconfig
compiler: powerpc-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/7ddfab485179ecb834e4fcdf1fe401837d9d33a5
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Chih-En-Lin/Introduce-Copy-On-Write-to-Page-Table/20221220-153207
git checkout 7ddfab485179ecb834e4fcdf1fe401837d9d33a5
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/powerpc/include/asm/page.h:331,
from arch/powerpc/include/asm/thread_info.h:13,
from include/linux/thread_info.h:60,
from arch/powerpc/include/asm/ptrace.h:328,
from arch/powerpc/include/asm/hw_irq.h:12,
from arch/powerpc/include/asm/irqflags.h:12,
from include/linux/irqflags.h:16,
from include/asm-generic/cmpxchg-local.h:6,
from arch/powerpc/include/asm/cmpxchg.h:526,
from arch/powerpc/include/asm/atomic.h:11,
from include/linux/atomic.h:7,
from include/linux/cpumask.h:13,
from include/linux/smp.h:13,
from include/linux/kernel_stat.h:5,
from mm/memory.c:42:
mm/memory.c: In function 'copy_cow_pte_range':
>> include/asm-generic/memory_model.h:18:33: error: initialization of 'pgtable_t' {aka 'long unsigned int *'} from incompatible pointer type 'struct page *' [-Werror=incompatible-pointer-types]
18 | #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET))
| ^
include/asm-generic/memory_model.h:53:21: note: in expansion of macro '__pfn_to_page'
53 | #define pfn_to_page __pfn_to_page
| ^~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/32/pgtable.h:363:33: note: in expansion of macro 'pfn_to_page'
363 | #define pmd_page(pmd) pfn_to_page(pmd_pfn(pmd))
| ^~~~~~~~~~~
mm/memory.c:1188:31: note: in expansion of macro 'pmd_page'
1188 | pgtable_t pte_table = pmd_page(*src_pmd);
| ^~~~~~~~
>> mm/memory.c:1300:9: error: implicit declaration of function 'set_pmd_at'; did you mean 'set_pte_at'? [-Werror=implicit-function-declaration]
1300 | set_pmd_at(dst_mm, orig_addr, dst_pmd, pmd_wrprotect(*src_pmd));
| ^~~~~~~~~~
| set_pte_at
>> mm/memory.c:1300:48: error: implicit declaration of function 'pmd_wrprotect'; did you mean 'pte_wrprotect'? [-Werror=implicit-function-declaration]
1300 | set_pmd_at(dst_mm, orig_addr, dst_pmd, pmd_wrprotect(*src_pmd));
| ^~~~~~~~~~~~~
| pte_wrprotect
In file included from <command-line>:
In function 'pmdp_set_wrprotect',
inlined from 'copy_cow_pte_range.constprop.isra' at mm/memory.c:1299:2:
include/linux/compiler_types.h:357:45: error: call to '__compiletime_assert_188' declared with attribute error: BUILD_BUG failed
357 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:338:25: note: in definition of macro '__compiletime_assert'
338 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:357:9: note: in expansion of macro '_compiletime_assert'
357 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:59:21: note: in expansion of macro 'BUILD_BUG_ON_MSG'
59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
| ^~~~~~~~~~~~~~~~
include/linux/pgtable.h:524:9: note: in expansion of macro 'BUILD_BUG'
524 | BUILD_BUG();
| ^~~~~~~~~
cc1: some warnings being treated as errors
vim +18 include/asm-generic/memory_model.h
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 17
67de648211fa04 Andy Whitcroft 2006-06-23 @18 #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET))
67de648211fa04 Andy Whitcroft 2006-06-23 19 #define __page_to_pfn(page) ((unsigned long)((page) - mem_map) + \
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 20 ARCH_PFN_OFFSET)
a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 21
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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