From: kernel test robot <lkp@intel.com>
To: Gavin Shan <gshan@redhat.com>, linux-mm@kvack.org
Cc: clang-built-linux@googlegroups.com, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, anshuman.khandual@arm.com,
catalin.marinas@arm.com, will@kernel.org,
akpm@linux-foundation.org, chuhu@redhat.com,
shan.gavin@gmail.com
Subject: Re: [PATCH v2 09/12] mm/vm_debug_pgtable: Use struct pgtable_debug_args in PUD modifying tests
Date: Mon, 19 Jul 2021 17:13:01 +0800 [thread overview]
Message-ID: <202107191750.5uS1cDBz-lkp@intel.com> (raw)
In-Reply-To: <20210719054138.198373-10-gshan@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 5130 bytes --]
Hi Gavin,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.14-rc2]
[cannot apply to hnaz-linux-mm/master linux/master next-20210716]
[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]
url: https://github.com/0day-ci/linux/commits/Gavin-Shan/mm-debug_vm_pgtable-Enhancements/20210719-134236
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
config: arm64-randconfig-r005-20210719 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/69db26024e6bd48423ebc83b0f83b7b52217b624
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Gavin-Shan/mm-debug_vm_pgtable-Enhancements/20210719-134236
git checkout 69db26024e6bd48423ebc83b0f83b7b52217b624
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> mm/debug_vm_pgtable.c:445:8: warning: variable 'pud' set but not used [-Wunused-but-set-variable]
pud_t pud;
^
mm/debug_vm_pgtable.c:1140:17: warning: variable 'protnone' set but not used [-Wunused-but-set-variable]
pgprot_t prot, protnone;
^
mm/debug_vm_pgtable.c:1142:36: warning: variable 'pmd_aligned' set but not used [-Wunused-but-set-variable]
unsigned long vaddr, pte_aligned, pmd_aligned;
^
mm/debug_vm_pgtable.c:1143:42: warning: variable 'pgd_aligned' set but not used [-Wunused-but-set-variable]
unsigned long pud_aligned, p4d_aligned, pgd_aligned;
^
mm/debug_vm_pgtable.c:1143:29: warning: variable 'p4d_aligned' set but not used [-Wunused-but-set-variable]
unsigned long pud_aligned, p4d_aligned, pgd_aligned;
^
mm/debug_vm_pgtable.c:1143:16: warning: variable 'pud_aligned' set but not used [-Wunused-but-set-variable]
unsigned long pud_aligned, p4d_aligned, pgd_aligned;
^
mm/debug_vm_pgtable.c:1140:11: warning: variable 'prot' set but not used [-Wunused-but-set-variable]
pgprot_t prot, protnone;
^
7 warnings generated.
vim +/pud +445 mm/debug_vm_pgtable.c
5fe77be6bf14bf Shixin Liu 2021-06-30 442
69db26024e6bd4 Gavin Shan 2021-07-19 443 static void __init pud_huge_tests(struct pgtable_debug_args *args)
a5c3b9ffb0f404 Anshuman Khandual 2020-08-06 444 {
5fe77be6bf14bf Shixin Liu 2021-06-30 @445 pud_t pud;
5fe77be6bf14bf Shixin Liu 2021-06-30 446
69db26024e6bd4 Gavin Shan 2021-07-19 447 if (!arch_vmap_pud_supported(args->page_prot))
5fe77be6bf14bf Shixin Liu 2021-06-30 448 return;
5fe77be6bf14bf Shixin Liu 2021-06-30 449
5fe77be6bf14bf Shixin Liu 2021-06-30 450 pr_debug("Validating PUD huge\n");
5fe77be6bf14bf Shixin Liu 2021-06-30 451 /*
5fe77be6bf14bf Shixin Liu 2021-06-30 452 * X86 defined pud_set_huge() verifies that the given
5fe77be6bf14bf Shixin Liu 2021-06-30 453 * PUD is not a populated non-leaf entry.
5fe77be6bf14bf Shixin Liu 2021-06-30 454 */
69db26024e6bd4 Gavin Shan 2021-07-19 455 WRITE_ONCE(*(args->pudp), __pud(0));
69db26024e6bd4 Gavin Shan 2021-07-19 456 WARN_ON(!pud_set_huge(args->pudp, __pfn_to_phys(args->fixed_pud_pfn),
69db26024e6bd4 Gavin Shan 2021-07-19 457 args->page_prot));
69db26024e6bd4 Gavin Shan 2021-07-19 458 WARN_ON(!pud_clear_huge(args->pudp));
69db26024e6bd4 Gavin Shan 2021-07-19 459 pud = READ_ONCE(*(args->pudp));
a5c3b9ffb0f404 Anshuman Khandual 2020-08-06 460 }
5fe77be6bf14bf Shixin Liu 2021-06-30 461 #else /* !CONFIG_HAVE_ARCH_HUGE_VMAP */
54b1f4b50ddb0f Gavin Shan 2021-07-19 462 static void __init pmd_huge_tests(struct pgtable_debug_args *args) { }
69db26024e6bd4 Gavin Shan 2021-07-19 463 static void __init pud_huge_tests(struct pgtable_debug_args *args) { }
5fe77be6bf14bf Shixin Liu 2021-06-30 464 #endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */
399145f9eb6c67 Anshuman Khandual 2020-06-04 465
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 44928 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v2 09/12] mm/vm_debug_pgtable: Use struct pgtable_debug_args in PUD modifying tests
Date: Mon, 19 Jul 2021 17:13:01 +0800 [thread overview]
Message-ID: <202107191750.5uS1cDBz-lkp@intel.com> (raw)
In-Reply-To: <20210719054138.198373-10-gshan@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 5218 bytes --]
Hi Gavin,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.14-rc2]
[cannot apply to hnaz-linux-mm/master linux/master next-20210716]
[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]
url: https://github.com/0day-ci/linux/commits/Gavin-Shan/mm-debug_vm_pgtable-Enhancements/20210719-134236
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2734d6c1b1a089fb593ef6a23d4b70903526fe0c
config: arm64-randconfig-r005-20210719 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/0day-ci/linux/commit/69db26024e6bd48423ebc83b0f83b7b52217b624
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Gavin-Shan/mm-debug_vm_pgtable-Enhancements/20210719-134236
git checkout 69db26024e6bd48423ebc83b0f83b7b52217b624
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> mm/debug_vm_pgtable.c:445:8: warning: variable 'pud' set but not used [-Wunused-but-set-variable]
pud_t pud;
^
mm/debug_vm_pgtable.c:1140:17: warning: variable 'protnone' set but not used [-Wunused-but-set-variable]
pgprot_t prot, protnone;
^
mm/debug_vm_pgtable.c:1142:36: warning: variable 'pmd_aligned' set but not used [-Wunused-but-set-variable]
unsigned long vaddr, pte_aligned, pmd_aligned;
^
mm/debug_vm_pgtable.c:1143:42: warning: variable 'pgd_aligned' set but not used [-Wunused-but-set-variable]
unsigned long pud_aligned, p4d_aligned, pgd_aligned;
^
mm/debug_vm_pgtable.c:1143:29: warning: variable 'p4d_aligned' set but not used [-Wunused-but-set-variable]
unsigned long pud_aligned, p4d_aligned, pgd_aligned;
^
mm/debug_vm_pgtable.c:1143:16: warning: variable 'pud_aligned' set but not used [-Wunused-but-set-variable]
unsigned long pud_aligned, p4d_aligned, pgd_aligned;
^
mm/debug_vm_pgtable.c:1140:11: warning: variable 'prot' set but not used [-Wunused-but-set-variable]
pgprot_t prot, protnone;
^
7 warnings generated.
vim +/pud +445 mm/debug_vm_pgtable.c
5fe77be6bf14bf Shixin Liu 2021-06-30 442
69db26024e6bd4 Gavin Shan 2021-07-19 443 static void __init pud_huge_tests(struct pgtable_debug_args *args)
a5c3b9ffb0f404 Anshuman Khandual 2020-08-06 444 {
5fe77be6bf14bf Shixin Liu 2021-06-30 @445 pud_t pud;
5fe77be6bf14bf Shixin Liu 2021-06-30 446
69db26024e6bd4 Gavin Shan 2021-07-19 447 if (!arch_vmap_pud_supported(args->page_prot))
5fe77be6bf14bf Shixin Liu 2021-06-30 448 return;
5fe77be6bf14bf Shixin Liu 2021-06-30 449
5fe77be6bf14bf Shixin Liu 2021-06-30 450 pr_debug("Validating PUD huge\n");
5fe77be6bf14bf Shixin Liu 2021-06-30 451 /*
5fe77be6bf14bf Shixin Liu 2021-06-30 452 * X86 defined pud_set_huge() verifies that the given
5fe77be6bf14bf Shixin Liu 2021-06-30 453 * PUD is not a populated non-leaf entry.
5fe77be6bf14bf Shixin Liu 2021-06-30 454 */
69db26024e6bd4 Gavin Shan 2021-07-19 455 WRITE_ONCE(*(args->pudp), __pud(0));
69db26024e6bd4 Gavin Shan 2021-07-19 456 WARN_ON(!pud_set_huge(args->pudp, __pfn_to_phys(args->fixed_pud_pfn),
69db26024e6bd4 Gavin Shan 2021-07-19 457 args->page_prot));
69db26024e6bd4 Gavin Shan 2021-07-19 458 WARN_ON(!pud_clear_huge(args->pudp));
69db26024e6bd4 Gavin Shan 2021-07-19 459 pud = READ_ONCE(*(args->pudp));
a5c3b9ffb0f404 Anshuman Khandual 2020-08-06 460 }
5fe77be6bf14bf Shixin Liu 2021-06-30 461 #else /* !CONFIG_HAVE_ARCH_HUGE_VMAP */
54b1f4b50ddb0f Gavin Shan 2021-07-19 462 static void __init pmd_huge_tests(struct pgtable_debug_args *args) { }
69db26024e6bd4 Gavin Shan 2021-07-19 463 static void __init pud_huge_tests(struct pgtable_debug_args *args) { }
5fe77be6bf14bf Shixin Liu 2021-06-30 464 #endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */
399145f9eb6c67 Anshuman Khandual 2020-06-04 465
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 44928 bytes --]
next prev parent reply other threads:[~2021-07-19 9:13 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-19 5:41 [PATCH v2 00/12] mm/debug_vm_pgtable: Enhancements Gavin Shan
2021-07-19 5:41 ` [PATCH v2 01/12] mm/debug_vm_pgtable: Introduce struct pgtable_debug_args Gavin Shan
2021-07-19 13:01 ` Gavin Shan
2021-07-20 6:42 ` Anshuman Khandual
2021-07-20 23:29 ` Gavin Shan
2021-07-21 4:50 ` Anshuman Khandual
2021-07-21 12:09 ` Gavin Shan
2021-07-19 5:41 ` [PATCH v2 02/12] mm/debug_vm_pgtable: Use struct pgtable_debug_args in basic tests Gavin Shan
2021-07-19 5:41 ` [PATCH v2 03/12] mm/debug_vm_pgtable: Use struct pgtable_debug_args in leaf and savewrite tests Gavin Shan
2021-07-19 5:41 ` [PATCH v2 04/12] mm/debug_vm_pgtable: Use struct pgtable_debug_args in protnone and devmap tests Gavin Shan
2021-07-19 5:41 ` [PATCH v2 05/12] mm/vm_debug_pgtable: Use struct pgtable_debug_args in soft_dirty and swap tests Gavin Shan
2021-07-19 5:41 ` [PATCH v2 06/12] mm/debug_vm_pgtable: Use struct pgtable_debug_args in migration and thp tests Gavin Shan
2021-07-19 5:41 ` [PATCH v2 07/12] mm/debug_vm_pgtable: Use struct pgtable_debug_args in PTE modifying tests Gavin Shan
2021-07-19 5:41 ` [PATCH v2 08/12] mm/debug_vm_pgtable: Use struct pgtable_debug_args in PMD Gavin Shan
2021-07-19 5:41 ` [PATCH v2 09/12] mm/vm_debug_pgtable: Use struct pgtable_debug_args in PUD modifying tests Gavin Shan
2021-07-19 9:13 ` kernel test robot [this message]
2021-07-19 9:13 ` kernel test robot
2021-07-19 11:30 ` Gavin Shan
2021-07-19 11:30 ` Gavin Shan
2021-07-20 2:46 ` kernel test robot
2021-07-20 2:46 ` kernel test robot
2021-07-20 23:09 ` Gavin Shan
2021-07-20 23:09 ` Gavin Shan
2021-07-19 5:41 ` [PATCH v2 10/12] mm/debug_vm_pgtable: Use struct pgtable_debug_args in PGD and P4D " Gavin Shan
2021-07-19 5:41 ` [PATCH v2 11/12] mm/debug_vm_pgtable: Remove unused code Gavin Shan
2021-07-19 5:41 ` [PATCH v2 12/12] mm/debug_vm_pgtable: Fix corrupted page flag Gavin Shan
2021-07-19 11:34 ` [PATCH v2 00/12] mm/debug_vm_pgtable: Enhancements Gavin Shan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202107191750.5uS1cDBz-lkp@intel.com \
--to=lkp@intel.com \
--cc=akpm@linux-foundation.org \
--cc=anshuman.khandual@arm.com \
--cc=catalin.marinas@arm.com \
--cc=chuhu@redhat.com \
--cc=clang-built-linux@googlegroups.com \
--cc=gshan@redhat.com \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=shan.gavin@gmail.com \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.