Re: [PATCH 2/3] delayacct: convert task->delays to a object

From: kernel test robot
Date: Sun Oct 08 2023 - 12:20:18 EST

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Next in thread: brookxu.cn: "[PATCH 3/3] delayacct: remove delayacct_on to simplify the code"
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Hi brookxu.cn,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/sched/core]
[also build test WARNING on linus/master v6.6-rc4 next-20231006]
[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/brookxu-cn/delayacct-introduce-delayacct_enabled-to-simplify-implement/20231008-185144
base: tip/sched/core
patch link: https://lore.kernel.org/r/531ddc82793a39f4c09316d701a4b1170bcad4ab.1696761522.git.chunguang.xu%40shopee.com
patch subject: [PATCH 2/3] delayacct: convert task->delays to a object
config: x86_64-randconfig-002-20231008 (https://download.01.org/0day-ci/archive/20231009/202310090033.4XQPktBr-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231009/202310090033.4XQPktBr-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310090033.4XQPktBr-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

In file included from arch/x86/include/asm/paravirt_types.h:19,
from arch/x86/include/asm/ptrace.h:97,
from arch/x86/include/asm/math_emu.h:5,
from arch/x86/include/asm/processor.h:13,
from arch/x86/include/asm/timex.h:5,
from include/linux/timex.h:67,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from arch/x86/entry/vdso/vdso32/../vclock_gettime.c:11,
from arch/x86/entry/vdso/vdso32/vclock_gettime.c:4:
arch/x86/include/asm/pgtable.h: In function 'pte_flags_pkey':
>> arch/x86/include/asm/pgtable_types.h:66:43: warning: left shift count >= width of type [-Wshift-count-overflow]
66 | #define _PAGE_PKEY_BIT0 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT0)
| ^~
arch/x86/include/asm/pgtable_types.h:77:26: note: in expansion of macro '_PAGE_PKEY_BIT0'
77 | #define _PAGE_PKEY_MASK (_PAGE_PKEY_BIT0 | \
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable.h:1615:29: note: in expansion of macro '_PAGE_PKEY_MASK'
1615 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable_types.h:67:43: warning: left shift count >= width of type [-Wshift-count-overflow]
67 | #define _PAGE_PKEY_BIT1 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT1)
| ^~
arch/x86/include/asm/pgtable_types.h:78:26: note: in expansion of macro '_PAGE_PKEY_BIT1'
78 | _PAGE_PKEY_BIT1 | \
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable.h:1615:29: note: in expansion of macro '_PAGE_PKEY_MASK'
1615 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable_types.h:68:43: warning: left shift count >= width of type [-Wshift-count-overflow]
68 | #define _PAGE_PKEY_BIT2 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT2)
| ^~
arch/x86/include/asm/pgtable_types.h:79:26: note: in expansion of macro '_PAGE_PKEY_BIT2'
79 | _PAGE_PKEY_BIT2 | \
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable.h:1615:29: note: in expansion of macro '_PAGE_PKEY_MASK'
1615 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable_types.h:69:43: warning: left shift count >= width of type [-Wshift-count-overflow]
69 | #define _PAGE_PKEY_BIT3 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT3)
| ^~
arch/x86/include/asm/pgtable_types.h:80:26: note: in expansion of macro '_PAGE_PKEY_BIT3'
80 | _PAGE_PKEY_BIT3)
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable.h:1615:29: note: in expansion of macro '_PAGE_PKEY_MASK'
1615 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~~~~~~~~~~~~~~
In file included from include/linux/pgtable.h:6,
from include/linux/kasan.h:33,
from include/linux/slab.h:180,
from include/linux/delayacct.h:62,
from include/linux/sched.h:40,
from include/linux/sched/mm.h:7,
from include/linux/xarray.h:19,
from include/linux/radix-tree.h:21,
from include/linux/idr.h:15,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/of.h:17,
from include/linux/clocksource.h:19,
from include/clocksource/hyperv_timer.h:16,
from arch/x86/include/asm/vdso/gettimeofday.h:21,
from include/vdso/datapage.h:137,
from arch/x86/entry/vdso/vdso32/../../../../../lib/vdso/gettimeofday.c:5,
from arch/x86/entry/vdso/vdso32/../vclock_gettime.c:15,
from arch/x86/entry/vdso/vdso32/vclock_gettime.c:4:
>> arch/x86/include/asm/pgtable.h:1615:46: warning: right shift count >= width of type [-Wshift-count-overflow]
1615 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~
In file included from include/linux/kasan.h:33,
from include/linux/slab.h:180,
from include/linux/delayacct.h:62,
from include/linux/sched.h:40,
from include/linux/sched/mm.h:7,
from include/linux/xarray.h:19,
from include/linux/radix-tree.h:21,
from include/linux/idr.h:15,
from include/linux/kernfs.h:12,
from include/linux/sysfs.h:16,
from include/linux/kobject.h:20,
from include/linux/of.h:17,
from include/linux/clocksource.h:19,
from include/clocksource/hyperv_timer.h:16,
from arch/x86/include/asm/vdso/gettimeofday.h:21,
from include/vdso/datapage.h:137,
from arch/x86/entry/vdso/vdso32/../../../../../lib/vdso/gettimeofday.c:5,
from arch/x86/entry/vdso/vdso32/../vclock_gettime.c:15,
from arch/x86/entry/vdso/vdso32/vclock_gettime.c:4:
include/linux/pgtable.h: At top level:
include/linux/pgtable.h:1578:2: error: #error Missing MAX_POSSIBLE_PHYSMEM_BITS definition
1578 | #error Missing MAX_POSSIBLE_PHYSMEM_BITS definition
| ^~~~~

vim +66 arch/x86/include/asm/pgtable_types.h

8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 48
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 49 #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 50 #define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 51 #define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 52 #define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 53 #define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 54 #define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 55 #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 56 #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 57 #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL)
c46a7c817e662a Mel Gorman 2014-06-04 58 #define _PAGE_SOFTW1 (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW1)
f955371ca9d398 David Vrabel 2014-01-07 59 #define _PAGE_SOFTW2 (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW2)
6c0df8689494e1 Joerg Roedel 2018-07-18 60 #define _PAGE_SOFTW3 (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW3)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 61 #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 62 #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 63 #define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 64 #define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST)
5c1d90f51027e1 Dave Hansen 2016-02-12 65 #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
5c1d90f51027e1 Dave Hansen 2016-02-12 @66 #define _PAGE_PKEY_BIT0 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT0)
5c1d90f51027e1 Dave Hansen 2016-02-12 67 #define _PAGE_PKEY_BIT1 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT1)
5c1d90f51027e1 Dave Hansen 2016-02-12 68 #define _PAGE_PKEY_BIT2 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT2)
5c1d90f51027e1 Dave Hansen 2016-02-12 69 #define _PAGE_PKEY_BIT3 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT3)
5c1d90f51027e1 Dave Hansen 2016-02-12 70 #else
5c1d90f51027e1 Dave Hansen 2016-02-12 71 #define _PAGE_PKEY_BIT0 (_AT(pteval_t, 0))
5c1d90f51027e1 Dave Hansen 2016-02-12 72 #define _PAGE_PKEY_BIT1 (_AT(pteval_t, 0))
5c1d90f51027e1 Dave Hansen 2016-02-12 73 #define _PAGE_PKEY_BIT2 (_AT(pteval_t, 0))
5c1d90f51027e1 Dave Hansen 2016-02-12 74 #define _PAGE_PKEY_BIT3 (_AT(pteval_t, 0))
5c1d90f51027e1 Dave Hansen 2016-02-12 75 #endif
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 76

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Next message: Paul E. McKenney: "Re: nolibc changes since 6.6-rc1 for linux-next"
Previous message: Regzbot (on behalf of Thorsten Leemhuis): "Linux regressions report for mainline [2023-10-08]"
In reply to: kernel test robot: "Re: [PATCH 2/3] delayacct: convert task->delays to a object"
Next in thread: brookxu.cn: "[PATCH 3/3] delayacct: remove delayacct_on to simplify the code"
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