* mm/memory.c:709:25: sparse: sparse: cast to non-scalar
@ 2022-01-01 5:39 ` kernel test robot
0 siblings, 0 replies; 8+ messages in thread
From: kernel test robot @ 2022-01-01 5:39 UTC (permalink / raw)
To: Alistair Popple
Cc: kbuild-all, linux-kernel, Dan Carpenter, Christoph Hellwig,
Andrew Morton, Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8008293888188c3923f5bd8a69370dae25ed14e5
commit: b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8 mm: device exclusive memory access
date: 6 months ago
config: alpha-randconfig-s031-20211122 (https://download.01.org/0day-ci/archive/20220101/202201011331.H1OV6bX5-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> mm/memory.c:709:25: sparse: sparse: cast to non-scalar
>> mm/memory.c:709:25: sparse: sparse: cast from non-scalar
mm/memory.c:1023:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
mm/memory.c:1736:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
mm/memory.c:1785:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
mm/memory.c:2287:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
mm/memory.c:2543:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
mm/memory.c:2831:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock
mm/memory.c:3180:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
mm/memory.c:3243:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/linux/pgtable.h:275:16: sparse: sparse: cast to non-scalar
include/linux/pgtable.h:275:16: sparse: sparse: cast from non-scalar
mm/memory.c:4874:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block
mm/memory.c:4995:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock
vim +709 mm/memory.c
701
702 static void restore_exclusive_pte(struct vm_area_struct *vma,
703 struct page *page, unsigned long address,
704 pte_t *ptep)
705 {
706 pte_t pte;
707 swp_entry_t entry;
708
> 709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot)));
710 if (pte_swp_soft_dirty(*ptep))
711 pte = pte_mksoft_dirty(pte);
712
713 entry = pte_to_swp_entry(*ptep);
714 if (pte_swp_uffd_wp(*ptep))
715 pte = pte_mkuffd_wp(pte);
716 else if (is_writable_device_exclusive_entry(entry))
717 pte = maybe_mkwrite(pte_mkdirty(pte), vma);
718
719 set_pte_at(vma->vm_mm, address, ptep, pte);
720
721 /*
722 * No need to take a page reference as one was already
723 * created when the swap entry was made.
724 */
725 if (PageAnon(page))
726 page_add_anon_rmap(page, vma, address, false);
727 else
728 /*
729 * Currently device exclusive access only supports anonymous
730 * memory so the entry shouldn't point to a filebacked page.
731 */
732 WARN_ON_ONCE(!PageAnon(page));
733
734 if (vma->vm_flags & VM_LOCKED)
735 mlock_vma_page(page);
736
737 /*
738 * No need to invalidate - it was non-present before. However
739 * secondary CPUs may have mappings that need invalidating.
740 */
741 update_mmu_cache(vma, address, ptep);
742 }
743
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 8+ messages in thread
* mm/memory.c:709:25: sparse: sparse: cast to non-scalar
@ 2022-01-01 5:39 ` kernel test robot
0 siblings, 0 replies; 8+ messages in thread
From: kernel test robot @ 2022-01-01 5:39 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 4504 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8008293888188c3923f5bd8a69370dae25ed14e5
commit: b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8 mm: device exclusive memory access
date: 6 months ago
config: alpha-randconfig-s031-20211122 (https://download.01.org/0day-ci/archive/20220101/202201011331.H1OV6bX5-lkp(a)intel.com/config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> mm/memory.c:709:25: sparse: sparse: cast to non-scalar
>> mm/memory.c:709:25: sparse: sparse: cast from non-scalar
mm/memory.c:1023:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
mm/memory.c:1736:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
mm/memory.c:1785:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
mm/memory.c:2287:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
mm/memory.c:2543:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
mm/memory.c:2831:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock
mm/memory.c:3180:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
mm/memory.c:3243:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/linux/pgtable.h:275:16: sparse: sparse: cast to non-scalar
include/linux/pgtable.h:275:16: sparse: sparse: cast from non-scalar
mm/memory.c:4874:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block
mm/memory.c:4995:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock
vim +709 mm/memory.c
701
702 static void restore_exclusive_pte(struct vm_area_struct *vma,
703 struct page *page, unsigned long address,
704 pte_t *ptep)
705 {
706 pte_t pte;
707 swp_entry_t entry;
708
> 709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot)));
710 if (pte_swp_soft_dirty(*ptep))
711 pte = pte_mksoft_dirty(pte);
712
713 entry = pte_to_swp_entry(*ptep);
714 if (pte_swp_uffd_wp(*ptep))
715 pte = pte_mkuffd_wp(pte);
716 else if (is_writable_device_exclusive_entry(entry))
717 pte = maybe_mkwrite(pte_mkdirty(pte), vma);
718
719 set_pte_at(vma->vm_mm, address, ptep, pte);
720
721 /*
722 * No need to take a page reference as one was already
723 * created when the swap entry was made.
724 */
725 if (PageAnon(page))
726 page_add_anon_rmap(page, vma, address, false);
727 else
728 /*
729 * Currently device exclusive access only supports anonymous
730 * memory so the entry shouldn't point to a filebacked page.
731 */
732 WARN_ON_ONCE(!PageAnon(page));
733
734 if (vma->vm_flags & VM_LOCKED)
735 mlock_vma_page(page);
736
737 /*
738 * No need to invalidate - it was non-present before. However
739 * secondary CPUs may have mappings that need invalidating.
740 */
741 update_mmu_cache(vma, address, ptep);
742 }
743
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 8+ messages in thread
* mm/memory.c:709:25: sparse: sparse: cast to non-scalar
@ 2023-12-10 21:44 kernel test robot
0 siblings, 0 replies; 8+ messages in thread
From: kernel test robot @ 2023-12-10 21:44 UTC (permalink / raw)
To: oe-kbuild; +Cc: lkp
::::::
:::::: Manual check reason: "low confidence static check warning: mm/memory.c:709:25: sparse: sparse: cast to non-scalar"
::::::
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Alistair Popple <apopple@nvidia.com>
CC: Dan Carpenter <error27@gmail.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3a87498869d6d1e7347cd01f337a77984604eb5e
commit: b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8 mm: device exclusive memory access
date: 2 years, 5 months ago
:::::: branch date: 3 hours ago
:::::: commit date: 2 years, 5 months ago
config: alpha-randconfig-r131-20231116 (https://download.01.org/0day-ci/archive/20231211/202312110527.2ixYcotR-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231211/202312110527.2ixYcotR-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/r/202312110527.2ixYcotR-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> mm/memory.c:709:25: sparse: sparse: cast to non-scalar
>> mm/memory.c:709:25: sparse: sparse: cast from non-scalar
mm/memory.c:284:46: sparse: sparse: self-comparison always evaluates to false
mm/memory.c:318:46: sparse: sparse: self-comparison always evaluates to false
mm/memory.c:1023:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
mm/memory.c:1196:61: sparse: sparse: self-comparison always evaluates to false
mm/memory.c:1220:61: sparse: sparse: self-comparison always evaluates to false
mm/memory.c:1736:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
mm/memory.c:1785:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
mm/memory.c:2287:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
mm/memory.c:2344:46: sparse: sparse: self-comparison always evaluates to false
mm/memory.c:2366:46: sparse: sparse: self-comparison always evaluates to false
mm/memory.c:2543:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
mm/memory.c:2616:46: sparse: sparse: self-comparison always evaluates to false
mm/memory.c:2652:46: sparse: sparse: self-comparison always evaluates to false
mm/memory.c:2831:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock
mm/memory.c:3180:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
mm/memory.c:3243:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/linux/pgtable.h:275:16: sparse: sparse: cast to non-scalar
include/linux/pgtable.h:275:16: sparse: sparse: cast from non-scalar
mm/memory.c:4874:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block
mm/memory.c:4995:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock
vim +709 mm/memory.c
28093f9f34cede Gerald Schaefer 2016-04-28 701
b756a3b5e7ead8 Alistair Popple 2021-06-30 702 static void restore_exclusive_pte(struct vm_area_struct *vma,
b756a3b5e7ead8 Alistair Popple 2021-06-30 703 struct page *page, unsigned long address,
b756a3b5e7ead8 Alistair Popple 2021-06-30 704 pte_t *ptep)
b756a3b5e7ead8 Alistair Popple 2021-06-30 705 {
b756a3b5e7ead8 Alistair Popple 2021-06-30 706 pte_t pte;
b756a3b5e7ead8 Alistair Popple 2021-06-30 707 swp_entry_t entry;
b756a3b5e7ead8 Alistair Popple 2021-06-30 708
b756a3b5e7ead8 Alistair Popple 2021-06-30 @709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot)));
b756a3b5e7ead8 Alistair Popple 2021-06-30 710 if (pte_swp_soft_dirty(*ptep))
b756a3b5e7ead8 Alistair Popple 2021-06-30 711 pte = pte_mksoft_dirty(pte);
b756a3b5e7ead8 Alistair Popple 2021-06-30 712
b756a3b5e7ead8 Alistair Popple 2021-06-30 713 entry = pte_to_swp_entry(*ptep);
b756a3b5e7ead8 Alistair Popple 2021-06-30 714 if (pte_swp_uffd_wp(*ptep))
b756a3b5e7ead8 Alistair Popple 2021-06-30 715 pte = pte_mkuffd_wp(pte);
b756a3b5e7ead8 Alistair Popple 2021-06-30 716 else if (is_writable_device_exclusive_entry(entry))
b756a3b5e7ead8 Alistair Popple 2021-06-30 717 pte = maybe_mkwrite(pte_mkdirty(pte), vma);
b756a3b5e7ead8 Alistair Popple 2021-06-30 718
b756a3b5e7ead8 Alistair Popple 2021-06-30 719 set_pte_at(vma->vm_mm, address, ptep, pte);
b756a3b5e7ead8 Alistair Popple 2021-06-30 720
b756a3b5e7ead8 Alistair Popple 2021-06-30 721 /*
b756a3b5e7ead8 Alistair Popple 2021-06-30 722 * No need to take a page reference as one was already
b756a3b5e7ead8 Alistair Popple 2021-06-30 723 * created when the swap entry was made.
b756a3b5e7ead8 Alistair Popple 2021-06-30 724 */
b756a3b5e7ead8 Alistair Popple 2021-06-30 725 if (PageAnon(page))
b756a3b5e7ead8 Alistair Popple 2021-06-30 726 page_add_anon_rmap(page, vma, address, false);
b756a3b5e7ead8 Alistair Popple 2021-06-30 727 else
b756a3b5e7ead8 Alistair Popple 2021-06-30 728 /*
b756a3b5e7ead8 Alistair Popple 2021-06-30 729 * Currently device exclusive access only supports anonymous
b756a3b5e7ead8 Alistair Popple 2021-06-30 730 * memory so the entry shouldn't point to a filebacked page.
b756a3b5e7ead8 Alistair Popple 2021-06-30 731 */
b756a3b5e7ead8 Alistair Popple 2021-06-30 732 WARN_ON_ONCE(!PageAnon(page));
b756a3b5e7ead8 Alistair Popple 2021-06-30 733
b756a3b5e7ead8 Alistair Popple 2021-06-30 734 if (vma->vm_flags & VM_LOCKED)
b756a3b5e7ead8 Alistair Popple 2021-06-30 735 mlock_vma_page(page);
b756a3b5e7ead8 Alistair Popple 2021-06-30 736
b756a3b5e7ead8 Alistair Popple 2021-06-30 737 /*
b756a3b5e7ead8 Alistair Popple 2021-06-30 738 * No need to invalidate - it was non-present before. However
b756a3b5e7ead8 Alistair Popple 2021-06-30 739 * secondary CPUs may have mappings that need invalidating.
b756a3b5e7ead8 Alistair Popple 2021-06-30 740 */
b756a3b5e7ead8 Alistair Popple 2021-06-30 741 update_mmu_cache(vma, address, ptep);
b756a3b5e7ead8 Alistair Popple 2021-06-30 742 }
b756a3b5e7ead8 Alistair Popple 2021-06-30 743
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 8+ messages in thread
* mm/memory.c:709:25: sparse: sparse: cast to non-scalar
@ 2022-03-09 5:07 kernel test robot
0 siblings, 0 replies; 8+ messages in thread
From: kernel test robot @ 2022-03-09 5:07 UTC (permalink / raw)
To: Alistair Popple
Cc: kbuild-all, linux-kernel, Dan Carpenter, Christoph Hellwig,
Andrew Morton, Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 330f4c53d3c2d8b11d86ec03a964b86dc81452f5
commit: b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8 mm: device exclusive memory access
date: 8 months ago
config: alpha-randconfig-s031-20220308 (https://download.01.org/0day-ci/archive/20220309/202203091301.CQlNi3CF-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> mm/memory.c:709:25: sparse: sparse: cast to non-scalar
>> mm/memory.c:709:25: sparse: sparse: cast from non-scalar
mm/memory.c:1023:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
mm/memory.c:1736:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
mm/memory.c:1785:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
mm/memory.c:2287:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
mm/memory.c:2543:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
mm/memory.c:2831:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock
mm/memory.c:3180:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
mm/memory.c:3243:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/linux/pgtable.h:275:16: sparse: sparse: cast to non-scalar
include/linux/pgtable.h:275:16: sparse: sparse: cast from non-scalar
mm/memory.c:4874:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block
mm/memory.c:4995:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock
vim +709 mm/memory.c
701
702 static void restore_exclusive_pte(struct vm_area_struct *vma,
703 struct page *page, unsigned long address,
704 pte_t *ptep)
705 {
706 pte_t pte;
707 swp_entry_t entry;
708
> 709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot)));
710 if (pte_swp_soft_dirty(*ptep))
711 pte = pte_mksoft_dirty(pte);
712
713 entry = pte_to_swp_entry(*ptep);
714 if (pte_swp_uffd_wp(*ptep))
715 pte = pte_mkuffd_wp(pte);
716 else if (is_writable_device_exclusive_entry(entry))
717 pte = maybe_mkwrite(pte_mkdirty(pte), vma);
718
719 set_pte_at(vma->vm_mm, address, ptep, pte);
720
721 /*
722 * No need to take a page reference as one was already
723 * created when the swap entry was made.
724 */
725 if (PageAnon(page))
726 page_add_anon_rmap(page, vma, address, false);
727 else
728 /*
729 * Currently device exclusive access only supports anonymous
730 * memory so the entry shouldn't point to a filebacked page.
731 */
732 WARN_ON_ONCE(!PageAnon(page));
733
734 if (vma->vm_flags & VM_LOCKED)
735 mlock_vma_page(page);
736
737 /*
738 * No need to invalidate - it was non-present before. However
739 * secondary CPUs may have mappings that need invalidating.
740 */
741 update_mmu_cache(vma, address, ptep);
742 }
743
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 8+ messages in thread
* mm/memory.c:709:25: sparse: sparse: cast to non-scalar
@ 2021-11-23 20:37 ` kernel test robot
0 siblings, 0 replies; 8+ messages in thread
From: kernel test robot @ 2021-11-23 20:37 UTC (permalink / raw)
To: Alistair Popple
Cc: kbuild-all, linux-kernel, Dan Carpenter, Christoph Hellwig,
Andrew Morton, Linux Memory Management List
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 136057256686de39cc3a07c2e39ef6bc43003ff6
commit: b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8 mm: device exclusive memory access
date: 5 months ago
config: alpha-randconfig-s031-20211122 (https://download.01.org/0day-ci/archive/20211124/202111240450.3z7aF31U-lkp@intel.com/config.gz)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> mm/memory.c:709:25: sparse: sparse: cast to non-scalar
>> mm/memory.c:709:25: sparse: sparse: cast from non-scalar
mm/memory.c:1023:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
mm/memory.c:1736:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
mm/memory.c:1785:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
mm/memory.c:2287:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
mm/memory.c:2543:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
mm/memory.c:2831:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock
mm/memory.c:3180:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
mm/memory.c:3243:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/linux/pgtable.h:275:16: sparse: sparse: cast to non-scalar
include/linux/pgtable.h:275:16: sparse: sparse: cast from non-scalar
mm/memory.c:4874:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block
mm/memory.c:4995:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock
vim +709 mm/memory.c
701
702 static void restore_exclusive_pte(struct vm_area_struct *vma,
703 struct page *page, unsigned long address,
704 pte_t *ptep)
705 {
706 pte_t pte;
707 swp_entry_t entry;
708
> 709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot)));
710 if (pte_swp_soft_dirty(*ptep))
711 pte = pte_mksoft_dirty(pte);
712
713 entry = pte_to_swp_entry(*ptep);
714 if (pte_swp_uffd_wp(*ptep))
715 pte = pte_mkuffd_wp(pte);
716 else if (is_writable_device_exclusive_entry(entry))
717 pte = maybe_mkwrite(pte_mkdirty(pte), vma);
718
719 set_pte_at(vma->vm_mm, address, ptep, pte);
720
721 /*
722 * No need to take a page reference as one was already
723 * created when the swap entry was made.
724 */
725 if (PageAnon(page))
726 page_add_anon_rmap(page, vma, address, false);
727 else
728 /*
729 * Currently device exclusive access only supports anonymous
730 * memory so the entry shouldn't point to a filebacked page.
731 */
732 WARN_ON_ONCE(!PageAnon(page));
733
734 if (vma->vm_flags & VM_LOCKED)
735 mlock_vma_page(page);
736
737 /*
738 * No need to invalidate - it was non-present before. However
739 * secondary CPUs may have mappings that need invalidating.
740 */
741 update_mmu_cache(vma, address, ptep);
742 }
743
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
^ permalink raw reply [flat|nested] 8+ messages in thread
* mm/memory.c:709:25: sparse: sparse: cast to non-scalar
@ 2021-11-23 20:37 ` kernel test robot
0 siblings, 0 replies; 8+ messages in thread
From: kernel test robot @ 2021-11-23 20:37 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 4482 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 136057256686de39cc3a07c2e39ef6bc43003ff6
commit: b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8 mm: device exclusive memory access
date: 5 months ago
config: alpha-randconfig-s031-20211122 (https://download.01.org/0day-ci/archive/20211124/202111240450.3z7aF31U-lkp(a)intel.com/config.gz)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> mm/memory.c:709:25: sparse: sparse: cast to non-scalar
>> mm/memory.c:709:25: sparse: sparse: cast from non-scalar
mm/memory.c:1023:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
mm/memory.c:1736:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
mm/memory.c:1785:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
mm/memory.c:2287:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
mm/memory.c:2543:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
mm/memory.c:2831:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock
mm/memory.c:3180:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
mm/memory.c:3243:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/linux/pgtable.h:275:16: sparse: sparse: cast to non-scalar
include/linux/pgtable.h:275:16: sparse: sparse: cast from non-scalar
mm/memory.c:4874:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block
mm/memory.c:4995:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock
vim +709 mm/memory.c
701
702 static void restore_exclusive_pte(struct vm_area_struct *vma,
703 struct page *page, unsigned long address,
704 pte_t *ptep)
705 {
706 pte_t pte;
707 swp_entry_t entry;
708
> 709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot)));
710 if (pte_swp_soft_dirty(*ptep))
711 pte = pte_mksoft_dirty(pte);
712
713 entry = pte_to_swp_entry(*ptep);
714 if (pte_swp_uffd_wp(*ptep))
715 pte = pte_mkuffd_wp(pte);
716 else if (is_writable_device_exclusive_entry(entry))
717 pte = maybe_mkwrite(pte_mkdirty(pte), vma);
718
719 set_pte_at(vma->vm_mm, address, ptep, pte);
720
721 /*
722 * No need to take a page reference as one was already
723 * created when the swap entry was made.
724 */
725 if (PageAnon(page))
726 page_add_anon_rmap(page, vma, address, false);
727 else
728 /*
729 * Currently device exclusive access only supports anonymous
730 * memory so the entry shouldn't point to a filebacked page.
731 */
732 WARN_ON_ONCE(!PageAnon(page));
733
734 if (vma->vm_flags & VM_LOCKED)
735 mlock_vma_page(page);
736
737 /*
738 * No need to invalidate - it was non-present before. However
739 * secondary CPUs may have mappings that need invalidating.
740 */
741 update_mmu_cache(vma, address, ptep);
742 }
743
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 8+ messages in thread
* mm/memory.c:709:25: sparse: sparse: cast to non-scalar
@ 2021-11-12 16:01 ` kernel test robot
0 siblings, 0 replies; 8+ messages in thread
From: kernel test robot @ 2021-11-12 16:01 UTC (permalink / raw)
To: Alistair Popple
Cc: kbuild-all, linux-kernel, Dan Carpenter, Christoph Hellwig,
Andrew Morton, Linux Memory Management List
[-- Attachment #1: Type: text/plain, Size: 4322 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5833291ab6de9c3e2374336b51c814e515e8f3a5
commit: b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8 mm: device exclusive memory access
date: 4 months ago
config: alpha-randconfig-s032-20211103 (attached as .config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> mm/memory.c:709:25: sparse: sparse: cast to non-scalar
>> mm/memory.c:709:25: sparse: sparse: cast from non-scalar
mm/memory.c:1023:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
mm/memory.c:1736:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
mm/memory.c:1785:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
mm/memory.c:2287:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
mm/memory.c:2543:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
mm/memory.c:2831:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock
mm/memory.c:3180:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
mm/memory.c:3243:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/linux/pgtable.h:275:16: sparse: sparse: cast to non-scalar
include/linux/pgtable.h:275:16: sparse: sparse: cast from non-scalar
mm/memory.c:4874:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block
mm/memory.c:4995:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock
vim +709 mm/memory.c
701
702 static void restore_exclusive_pte(struct vm_area_struct *vma,
703 struct page *page, unsigned long address,
704 pte_t *ptep)
705 {
706 pte_t pte;
707 swp_entry_t entry;
708
> 709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot)));
710 if (pte_swp_soft_dirty(*ptep))
711 pte = pte_mksoft_dirty(pte);
712
713 entry = pte_to_swp_entry(*ptep);
714 if (pte_swp_uffd_wp(*ptep))
715 pte = pte_mkuffd_wp(pte);
716 else if (is_writable_device_exclusive_entry(entry))
717 pte = maybe_mkwrite(pte_mkdirty(pte), vma);
718
719 set_pte_at(vma->vm_mm, address, ptep, pte);
720
721 /*
722 * No need to take a page reference as one was already
723 * created when the swap entry was made.
724 */
725 if (PageAnon(page))
726 page_add_anon_rmap(page, vma, address, false);
727 else
728 /*
729 * Currently device exclusive access only supports anonymous
730 * memory so the entry shouldn't point to a filebacked page.
731 */
732 WARN_ON_ONCE(!PageAnon(page));
733
734 if (vma->vm_flags & VM_LOCKED)
735 mlock_vma_page(page);
736
737 /*
738 * No need to invalidate - it was non-present before. However
739 * secondary CPUs may have mappings that need invalidating.
740 */
741 update_mmu_cache(vma, address, ptep);
742 }
743
---
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: 29598 bytes --]
^ permalink raw reply [flat|nested] 8+ messages in thread
* mm/memory.c:709:25: sparse: sparse: cast to non-scalar
@ 2021-11-12 16:01 ` kernel test robot
0 siblings, 0 replies; 8+ messages in thread
From: kernel test robot @ 2021-11-12 16:01 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 4412 bytes --]
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5833291ab6de9c3e2374336b51c814e515e8f3a5
commit: b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8 mm: device exclusive memory access
date: 4 months ago
config: alpha-randconfig-s032-20211103 (attached as .config)
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b756a3b5e7ead8f6f4b03cea8ac22478ce04c8a8
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> mm/memory.c:709:25: sparse: sparse: cast to non-scalar
>> mm/memory.c:709:25: sparse: sparse: cast from non-scalar
mm/memory.c:1023:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block
mm/memory.c:1736:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block
mm/memory.c:1785:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block
mm/memory.c:2287:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block
mm/memory.c:2543:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock
mm/memory.c:2831:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock
mm/memory.c:3180:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock
mm/memory.c:3243:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block
mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...):
include/linux/pgtable.h:275:16: sparse: sparse: cast to non-scalar
include/linux/pgtable.h:275:16: sparse: sparse: cast from non-scalar
mm/memory.c:4874:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block
mm/memory.c:4995:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock
vim +709 mm/memory.c
701
702 static void restore_exclusive_pte(struct vm_area_struct *vma,
703 struct page *page, unsigned long address,
704 pte_t *ptep)
705 {
706 pte_t pte;
707 swp_entry_t entry;
708
> 709 pte = pte_mkold(mk_pte(page, READ_ONCE(vma->vm_page_prot)));
710 if (pte_swp_soft_dirty(*ptep))
711 pte = pte_mksoft_dirty(pte);
712
713 entry = pte_to_swp_entry(*ptep);
714 if (pte_swp_uffd_wp(*ptep))
715 pte = pte_mkuffd_wp(pte);
716 else if (is_writable_device_exclusive_entry(entry))
717 pte = maybe_mkwrite(pte_mkdirty(pte), vma);
718
719 set_pte_at(vma->vm_mm, address, ptep, pte);
720
721 /*
722 * No need to take a page reference as one was already
723 * created when the swap entry was made.
724 */
725 if (PageAnon(page))
726 page_add_anon_rmap(page, vma, address, false);
727 else
728 /*
729 * Currently device exclusive access only supports anonymous
730 * memory so the entry shouldn't point to a filebacked page.
731 */
732 WARN_ON_ONCE(!PageAnon(page));
733
734 if (vma->vm_flags & VM_LOCKED)
735 mlock_vma_page(page);
736
737 /*
738 * No need to invalidate - it was non-present before. However
739 * secondary CPUs may have mappings that need invalidating.
740 */
741 update_mmu_cache(vma, address, ptep);
742 }
743
---
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: 29598 bytes --]
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2023-12-10 21:44 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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