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Message-ID: <202407052314.JxgKIfN1-lkp@intel.com>
Date: Fri, 5 Jul 2024 23:48:14 +0800
From: kernel test robot <lkp@...el.com>
To: Oscar Salvador <osalvador@...e.de>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Linux Memory Management List <linux-mm@...ck.org>,
linux-kernel@...r.kernel.org, Peter Xu <peterx@...hat.com>,
Muchun Song <muchun.song@...ux.dev>,
David Hildenbrand <david@...hat.com>, SeongJae Park <sj@...nel.org>,
Miaohe Lin <linmiaohe@...wei.com>, Michal Hocko <mhocko@...e.com>,
Matthew Wilcox <willy@...radead.org>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Oscar Salvador <osalvador@...e.de>
Subject: Re: [PATCH 13/45] mm: Implement pud-version uffd functions
Hi Oscar,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on sj/damon/next next-20240703]
[cannot apply to powerpc/next powerpc/fixes linus/master v6.10-rc6]
[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/Oscar-Salvador/arch-x86-Drop-own-definition-of-pgd-p4d_leaf/20240705-042640
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20240704043132.28501-14-osalvador%40suse.de
patch subject: [PATCH 13/45] mm: Implement pud-version uffd functions
config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20240705/202407052314.JxgKIfN1-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project a0c6b8aef853eedaa0980f07c0a502a5a8a9740e)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240705/202407052314.JxgKIfN1-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/202407052314.JxgKIfN1-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:16:
In file included from include/linux/mm.h:30:
In file included from include/linux/pgtable.h:17:
>> include/asm-generic/pgtable_uffd.h:32:9: error: use of undeclared identifier 'pmd'; did you mean 'pud'?
32 | return pmd;
| ^~~
| pud
include/asm-generic/pgtable_uffd.h:30:50: note: 'pud' declared here
30 | static __always_inline pud_t pud_mkuffd_wp(pud_t pud)
| ^
include/asm-generic/pgtable_uffd.h:47:9: error: use of undeclared identifier 'pmd'; did you mean 'pud'?
47 | return pmd;
| ^~~
| pud
include/asm-generic/pgtable_uffd.h:45:54: note: 'pud' declared here
45 | static __always_inline pud_t pud_clear_uffd_wp(pud_t pud)
| ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:16:
In file included from include/linux/mm.h:2221:
include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:19:
In file included from include/linux/msi.h:27:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
| ^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
| ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:19:
In file included from include/linux/msi.h:27:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
| ^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
| ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:19:
In file included from include/linux/msi.h:27:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:14:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
693 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
701 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
709 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
718 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
727 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
736 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
In file included from arch/s390/kernel/asm-offsets.c:11:
In file included from include/linux/kvm_host.h:19:
In file included from include/linux/msi.h:27:
In file included from include/linux/irq.h:591:
In file included from arch/s390/include/asm/hw_irq.h:6:
In file included from include/linux/pci.h:37:
In file included from include/linux/device.h:32:
In file included from include/linux/device/driver.h:21:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:160:
include/linux/compat.h:454:22: warning: array index 3 is past the end of the array (that has type 'const unsigned long[1]') [-Warray-bounds]
454 | case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3];
| ^ ~
arch/s390/include/asm/signal.h:22:9: note: array 'sig' declared here
vim +32 include/asm-generic/pgtable_uffd.h
29
30 static __always_inline pud_t pud_mkuffd_wp(pud_t pud)
31 {
> 32 return pmd;
33 }
34
--
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https://github.com/intel/lkp-tests/wiki
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