[arm-platforms:irq/domain_cleanup 11/17] arch/x86/include/asm/pgtable_types.h:60:43: warning: left shift count >= width of type
kernel test robot
lkp at intel.com
Thu May 13 06:34:13 PDT 2021
tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git irq/domain_cleanup
head: 8e0598e62fa7869706329d39c485097a24ee4b4b
commit: 0280c7950849a75ff5473618af7ddbfe624d2746 [11/17] irqdomain: Introduce irq_resolve_mapping()
config: x86_64-randconfig-a011-20210513 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/commit/?id=0280c7950849a75ff5473618af7ddbfe624d2746
git remote add arm-platforms https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
git fetch --no-tags arm-platforms irq/domain_cleanup
git checkout 0280c7950849a75ff5473618af7ddbfe624d2746
# save the attached .config to linux build tree
make W=1 W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
In file included from arch/x86/include/asm/paravirt_types.h:39,
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:65,
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:29:
arch/x86/include/asm/pgtable.h: In function 'pte_flags_pkey':
>> arch/x86/include/asm/pgtable_types.h:60:43: warning: left shift count >= width of type [-Wshift-count-overflow]
60 | #define _PAGE_PKEY_BIT0 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT0)
| ^~
arch/x86/include/asm/pgtable_types.h:71:26: note: in expansion of macro '_PAGE_PKEY_BIT0'
71 | #define _PAGE_PKEY_MASK (_PAGE_PKEY_BIT0 | \
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable.h:1393:22: note: in expansion of macro '_PAGE_PKEY_MASK'
1393 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable_types.h:61:43: warning: left shift count >= width of type [-Wshift-count-overflow]
61 | #define _PAGE_PKEY_BIT1 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT1)
| ^~
arch/x86/include/asm/pgtable_types.h:72:5: note: in expansion of macro '_PAGE_PKEY_BIT1'
72 | _PAGE_PKEY_BIT1 | \
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable.h:1393:22: note: in expansion of macro '_PAGE_PKEY_MASK'
1393 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable_types.h:62:43: warning: left shift count >= width of type [-Wshift-count-overflow]
62 | #define _PAGE_PKEY_BIT2 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT2)
| ^~
arch/x86/include/asm/pgtable_types.h:73:5: note: in expansion of macro '_PAGE_PKEY_BIT2'
73 | _PAGE_PKEY_BIT2 | \
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable.h:1393:22: note: in expansion of macro '_PAGE_PKEY_MASK'
1393 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable_types.h:63:43: warning: left shift count >= width of type [-Wshift-count-overflow]
63 | #define _PAGE_PKEY_BIT3 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT3)
| ^~
arch/x86/include/asm/pgtable_types.h:74:5: note: in expansion of macro '_PAGE_PKEY_BIT3'
74 | _PAGE_PKEY_BIT3)
| ^~~~~~~~~~~~~~~
arch/x86/include/asm/pgtable.h:1393:22: note: in expansion of macro '_PAGE_PKEY_MASK'
1393 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~~~~~~~~~~~~~~
In file included from include/linux/pgtable.h:6,
from include/linux/kasan.h:28,
from include/linux/slab.h:136,
from include/linux/irq.h:21,
from include/linux/irqdomain.h:34,
from arch/x86/include/asm/irqdomain.h:5,
from arch/x86/include/asm/msi.h:5,
from include/linux/msi.h:7,
from arch/x86/include/asm/mshyperv.h:7,
from include/clocksource/hyperv_timer.h:18,
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:29:
>> arch/x86/include/asm/pgtable.h:1393:39: warning: right shift count >= width of type [-Wshift-count-overflow]
1393 | return (pte_flags & _PAGE_PKEY_MASK) >> _PAGE_BIT_PKEY_BIT0;
| ^~
In file included from include/linux/kasan.h:28,
from include/linux/slab.h:136,
from include/linux/irq.h:21,
from include/linux/irqdomain.h:34,
from arch/x86/include/asm/irqdomain.h:5,
from arch/x86/include/asm/msi.h:5,
from include/linux/msi.h:7,
from arch/x86/include/asm/mshyperv.h:7,
from include/clocksource/hyperv_timer.h:18,
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:29:
include/linux/pgtable.h: At top level:
include/linux/pgtable.h:1511:2: error: #error Missing MAX_POSSIBLE_PHYSMEM_BITS definition
1511 | #error Missing MAX_POSSIBLE_PHYSMEM_BITS definition
| ^~~~~
In file included from arch/x86/entry/vdso/vdso32/vclock_gettime.c:29:
arch/x86/entry/vdso/vdso32/../vclock_gettime.c:70:5: warning: no previous prototype for '__vdso_clock_gettime64' [-Wmissing-prototypes]
70 | int __vdso_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts)
| ^~~~~~~~~~~~~~~~~~~~~~
vim +60 arch/x86/include/asm/pgtable_types.h
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 42
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 43 #define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 44 #define _PAGE_RW (_AT(pteval_t, 1) << _PAGE_BIT_RW)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 45 #define _PAGE_USER (_AT(pteval_t, 1) << _PAGE_BIT_USER)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 46 #define _PAGE_PWT (_AT(pteval_t, 1) << _PAGE_BIT_PWT)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 47 #define _PAGE_PCD (_AT(pteval_t, 1) << _PAGE_BIT_PCD)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 48 #define _PAGE_ACCESSED (_AT(pteval_t, 1) << _PAGE_BIT_ACCESSED)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 49 #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 50 #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 51 #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL)
c46a7c817e662a Mel Gorman 2014-06-04 52 #define _PAGE_SOFTW1 (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW1)
f955371ca9d398 David Vrabel 2014-01-07 53 #define _PAGE_SOFTW2 (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW2)
6c0df8689494e1 Joerg Roedel 2018-07-18 54 #define _PAGE_SOFTW3 (_AT(pteval_t, 1) << _PAGE_BIT_SOFTW3)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 55 #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 56 #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 57 #define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL)
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 58 #define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST)
5c1d90f51027e1 Dave Hansen 2016-02-12 59 #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
5c1d90f51027e1 Dave Hansen 2016-02-12 @60 #define _PAGE_PKEY_BIT0 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT0)
5c1d90f51027e1 Dave Hansen 2016-02-12 61 #define _PAGE_PKEY_BIT1 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT1)
5c1d90f51027e1 Dave Hansen 2016-02-12 62 #define _PAGE_PKEY_BIT2 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT2)
5c1d90f51027e1 Dave Hansen 2016-02-12 63 #define _PAGE_PKEY_BIT3 (_AT(pteval_t, 1) << _PAGE_BIT_PKEY_BIT3)
5c1d90f51027e1 Dave Hansen 2016-02-12 64 #else
5c1d90f51027e1 Dave Hansen 2016-02-12 65 #define _PAGE_PKEY_BIT0 (_AT(pteval_t, 0))
5c1d90f51027e1 Dave Hansen 2016-02-12 66 #define _PAGE_PKEY_BIT1 (_AT(pteval_t, 0))
5c1d90f51027e1 Dave Hansen 2016-02-12 67 #define _PAGE_PKEY_BIT2 (_AT(pteval_t, 0))
5c1d90f51027e1 Dave Hansen 2016-02-12 68 #define _PAGE_PKEY_BIT3 (_AT(pteval_t, 0))
5c1d90f51027e1 Dave Hansen 2016-02-12 69 #endif
8d19c99faf6165 Jeremy Fitzhardinge 2009-02-08 70
:::::: The code at line 60 was first introduced by commit
:::::: 5c1d90f51027e197e1299ab1235a2fed78910905 x86/mm/pkeys: Add PTE bits for storing protection key
:::::: TO: Dave Hansen <dave.hansen at linux.intel.com>
:::::: CC: Ingo Molnar <mingo at kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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