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Message-ID: <202407061716.WH5NMiL2-lkp@intel.com>
Date: Sat, 6 Jul 2024 17:16:15 +0800
From: kernel test robot <lkp@...el.com>
To: Peter Xu <peterx@...hat.com>, linux-kernel@...r.kernel.org,
linux-mm@...ck.org
Cc: oe-kbuild-all@...ts.linux.dev, Matthew Wilcox <willy@...radead.org>,
Mel Gorman <mgorman@...e.de>, Dave Jiang <dave.jiang@...el.com>,
linuxppc-dev@...ts.ozlabs.org,
Michael Ellerman <mpe@...erman.id.au>,
Rik van Riel <riel@...riel.com>, Vlastimil Babka <vbabka@...e.cz>,
Nicholas Piggin <npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
Huang Ying <ying.huang@...el.com>,
Oscar Salvador <osalvador@...e.de>,
"Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>,
Thomas Gleixner <tglx@...utronix.de>,
Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
Ingo Molnar <mingo@...hat.com>,
"Kirill A . Shutemov" <kirill@...temov.name>,
Dan Williams <dan.j.williams@...el.com>,
Borislav Petkov <bp@...en8.de>, peterx@...hat.com,
Hugh Dickins <hughd@...gle.com>,
Rick P Edgecombe <rick.p.edgecombe@...el.com>
Subject: Re: [PATCH v2 7/8] mm/x86: Add missing pud helpers
Hi Peter,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Peter-Xu/mm-dax-Dump-start-address-in-fault-handler/20240705-013812
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20240703212918.2417843-8-peterx%40redhat.com
patch subject: [PATCH v2 7/8] mm/x86: Add missing pud helpers
config: i386-randconfig-011-20240706 (https://download.01.org/0day-ci/archive/20240706/202407061716.WH5NMiL2-lkp@intel.com/config)
compiler: gcc-11 (Ubuntu 11.4.0-4ubuntu1) 11.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240706/202407061716.WH5NMiL2-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/202407061716.WH5NMiL2-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/x86/include/asm/atomic.h:8,
from include/linux/atomic.h:7,
from include/linux/jump_label.h:256,
from include/linux/static_key.h:1,
from arch/x86/include/asm/nospec-branch.h:6,
from arch/x86/include/asm/irqflags.h:9,
from include/linux/irqflags.h:18,
from include/linux/spinlock.h:59,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/mm.h:7,
from arch/x86/mm/pgtable.c:2:
In function 'pudp_establish',
inlined from 'pudp_invalidate' at arch/x86/mm/pgtable.c:649:14:
>> arch/x86/include/asm/cmpxchg.h:67:25: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
67 | __ ## op ## _wrong_size(); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/cmpxchg.h:78:33: note: in expansion of macro '__xchg_op'
78 | #define arch_xchg(ptr, v) __xchg_op((ptr), (v), xchg, "")
| ^~~~~~~~~
include/linux/atomic/atomic-arch-fallback.h:12:18: note: in expansion of macro 'arch_xchg'
12 | #define raw_xchg arch_xchg
| ^~~~~~~~~
include/linux/atomic/atomic-instrumented.h:4758:9: note: in expansion of macro 'raw_xchg'
4758 | raw_xchg(__ai_ptr, __VA_ARGS__); \
| ^~~~~~~~
arch/x86/include/asm/pgtable.h:1415:24: note: in expansion of macro 'xchg'
1415 | return xchg(pudp, pud);
| ^~~~
vim +/__xchg_wrong_size +67 arch/x86/include/asm/cmpxchg.h
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 37
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 38 /*
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 39 * An exchange-type operation, which takes a value and a pointer, and
7f5281ae8a8e7f8 Li Zhong 2013-04-25 40 * returns the old value.
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 41 */
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 42 #define __xchg_op(ptr, arg, op, lock) \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 43 ({ \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 44 __typeof__ (*(ptr)) __ret = (arg); \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 45 switch (sizeof(*(ptr))) { \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 46 case __X86_CASE_B: \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 47 asm volatile (lock #op "b %b0, %1\n" \
2ca052a3710fac2 Jeremy Fitzhardinge 2012-04-02 48 : "+q" (__ret), "+m" (*(ptr)) \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 49 : : "memory", "cc"); \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 50 break; \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 51 case __X86_CASE_W: \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 52 asm volatile (lock #op "w %w0, %1\n" \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 53 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 54 : : "memory", "cc"); \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 55 break; \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 56 case __X86_CASE_L: \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 57 asm volatile (lock #op "l %0, %1\n" \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 58 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 59 : : "memory", "cc"); \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 60 break; \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 61 case __X86_CASE_Q: \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 62 asm volatile (lock #op "q %q0, %1\n" \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 63 : "+r" (__ret), "+m" (*(ptr)) \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 64 : : "memory", "cc"); \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 65 break; \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 66 default: \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 @67 __ ## op ## _wrong_size(); \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 68 } \
31a8394e069e47d Jeremy Fitzhardinge 2011-09-30 69 __ret; \
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 70 })
e9826380d83d1bd Jeremy Fitzhardinge 2011-08-18 71
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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