* [weiny2:fuad-mroth-2M 27/35] include/linux/compiler_types.h:557:45: error: call to '__compiletime_assert_669' declared with attribute error: BUILD_BUG_ON failed: BITS_PER_LONG != 64
@ 2025-05-19 19:11 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-05-19 19:11 UTC (permalink / raw)
To: Paolo Bonzini; +Cc: oe-kbuild-all, Ira Weiny
tree: https://github.com/weiny2/linux-kernel.git fuad-mroth-2M
head: e7a0e768b14b70e6723b2800c0d108cf449c534e
commit: 5f1c19a1fb8cb1ce084d9d55922793703fcf9af0 [27/35] KVM: gmem: track preparedness a page at a time
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20250520/202505200303.ntmJjwt3-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250520/202505200303.ntmJjwt3-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/oe-kbuild-all/202505200303.ntmJjwt3-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from <command-line>:
In function 'kvm_gmem_mark_range_unprepared',
inlined from 'kvm_gmem_punch_hole' at arch/x86/kvm/../../../virt/kvm/guest_memfd.c:294:2:
>> include/linux/compiler_types.h:557:45: error: call to '__compiletime_assert_669' declared with attribute error: BUILD_BUG_ON failed: BITS_PER_LONG != 64
557 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:538:25: note: in definition of macro '__compiletime_assert'
538 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:557:9: note: in expansion of macro '_compiletime_assert'
557 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
arch/x86/kvm/../../../virt/kvm/guest_memfd.c:130:17: note: in expansion of macro 'BUILD_BUG_ON'
130 | BUILD_BUG_ON(BITS_PER_LONG != 64);
| ^~~~~~~~~~~~
arch/x86/kvm/../../../virt/kvm/guest_memfd.c: In function 'kvm_gmem_mark_prepared.isra':
include/linux/compiler_types.h:557:45: error: call to '__compiletime_assert_665' declared with attribute error: BUILD_BUG_ON failed: BITS_PER_LONG != 64
557 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:538:25: note: in definition of macro '__compiletime_assert'
538 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:557:9: note: in expansion of macro '_compiletime_assert'
557 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
arch/x86/kvm/../../../virt/kvm/guest_memfd.c:111:17: note: in expansion of macro 'BUILD_BUG_ON'
111 | BUILD_BUG_ON(BITS_PER_LONG != 64);
| ^~~~~~~~~~~~
arch/x86/kvm/../../../virt/kvm/guest_memfd.c: In function 'kvm_gmem_bind':
include/linux/compiler_types.h:557:45: error: call to '__compiletime_assert_681' declared with attribute error: BUILD_BUG_ON failed: sizeof(gfn_t) != sizeof(slot->gmem.pgoff)
557 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:538:25: note: in definition of macro '__compiletime_assert'
538 | prefix ## suffix(); \
| ^~~~~~
include/linux/compiler_types.h:557:9: note: in expansion of macro '_compiletime_assert'
557 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
arch/x86/kvm/../../../virt/kvm/guest_memfd.c:827:9: note: in expansion of macro 'BUILD_BUG_ON'
827 | BUILD_BUG_ON(sizeof(gfn_t) != sizeof(slot->gmem.pgoff));
| ^~~~~~~~~~~~
vim +/__compiletime_assert_669 +557 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 543
eb5c2d4b45e3d2 Will Deacon 2020-07-21 544 #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 545 __compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 546
eb5c2d4b45e3d2 Will Deacon 2020-07-21 547 /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21 548 * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 549 * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21 550 * @msg: a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21 551 *
eb5c2d4b45e3d2 Will Deacon 2020-07-21 552 * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 553 * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21 554 * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21 555 */
eb5c2d4b45e3d2 Will Deacon 2020-07-21 556 #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @557 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21 558
:::::: The code at line 557 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h
:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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