Re: [PATCH resend v1 1/7] clocksource/drivers/timer-probe: Create a platform_device before the framework is initialized

kernel test robot
2026-03-28T13:05:34Z

Hi Daniel,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/timers/core]
[also build test ERROR on rockchip/for-next arnd-asm-generic/master linus/master v7.0-rc5 next-20260327]
[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/Daniel-Lezcano/clocksource-drivers-timer-probe-Create-a-platform_device-before-the-framework-is-initialized/20260328-080154
base: tip/timers/core
patch link: https://lore.kernel.org/r/20260327180600.8150-2-daniel.lezcano%40kernel.org
patch subject: [PATCH resend v1 1/7] clocksource/drivers/timer-probe: Create a platform_device before the framework is initialized
config: x86_64-randconfig-013-20260328 (https://download.01.org/0day-ci/archive/20260328/202603282049.OhKWsoYR-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260328/202603282049.OhKWsoYR-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/202603282049.OhKWsoYR-lkp@intel.com/

All errors (new ones prefixed by >>):

In file included from arch/x86/include/asm/current.h:11,
from arch/x86/include/asm/processor.h:17,
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/../common/vclock_gettime.c:11,
from arch/x86/entry/vdso/vdso32/vclock_gettime.c:1:
arch/x86/include/asm/tlbflush.h: In function 'cpu_tlbstate_update_lam':
arch/x86/include/asm/tlbflush.h:468:46: warning: right shift count >= width of type [-Wshift-count-overflow]
468 | this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
| ^~
arch/x86/include/asm/percpu.h:145:69: note: in definition of macro '__raw_cpu_write'
145 | *(qual __my_cpu_type(pcp) * __force)__my_cpu_ptr(&(pcp)) = (val); \
| ^~~
include/linux/percpu-defs.h:369:25: note: in expansion of macro 'this_cpu_write_1'
369 | case 1: stem##1(variable, __VA_ARGS__);break; \
| ^~~~
include/linux/percpu-defs.h:500:41: note: in expansion of macro '__pcpu_size_call'
500 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val)
| ^~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:468:9: note: in expansion of macro 'this_cpu_write'
468 | this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
| ^~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:468:46: warning: right shift count >= width of type [-Wshift-count-overflow]
468 | this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
| ^~
arch/x86/include/asm/percpu.h:145:69: note: in definition of macro '__raw_cpu_write'
145 | *(qual __my_cpu_type(pcp) * __force)__my_cpu_ptr(&(pcp)) = (val); \
| ^~~
include/linux/percpu-defs.h:370:25: note: in expansion of macro 'this_cpu_write_2'
370 | case 2: stem##2(variable, __VA_ARGS__);break; \
| ^~~~
include/linux/percpu-defs.h:500:41: note: in expansion of macro '__pcpu_size_call'
500 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val)
| ^~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:468:9: note: in expansion of macro 'this_cpu_write'
468 | this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
| ^~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:468:46: warning: right shift count >= width of type [-Wshift-count-overflow]
468 | this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
| ^~
arch/x86/include/asm/percpu.h:145:69: note: in definition of macro '__raw_cpu_write'
145 | *(qual __my_cpu_type(pcp) * __force)__my_cpu_ptr(&(pcp)) = (val); \
| ^~~
include/linux/percpu-defs.h:371:25: note: in expansion of macro 'this_cpu_write_4'
371 | case 4: stem##4(variable, __VA_ARGS__);break; \
| ^~~~
include/linux/percpu-defs.h:500:41: note: in expansion of macro '__pcpu_size_call'
500 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val)
| ^~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:468:9: note: in expansion of macro 'this_cpu_write'
468 | this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
| ^~~~~~~~~~~~~~
In file included from arch/x86/include/asm/percpu.h:598:
arch/x86/include/asm/tlbflush.h:468:46: warning: right shift count >= width of type [-Wshift-count-overflow]
468 | this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
| ^~
include/asm-generic/percpu.h:87:33: note: in definition of macro 'raw_cpu_generic_to_op'
87 | *raw_cpu_ptr(&(pcp)) op val; \
| ^~~
include/asm-generic/percpu.h:412:41: note: in expansion of macro 'this_cpu_generic_to_op'
412 | #define this_cpu_write_8(pcp, val) this_cpu_generic_to_op(pcp, val, =)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:372:25: note: in expansion of macro 'this_cpu_write_8'
372 | case 8: stem##8(variable, __VA_ARGS__);break; \
| ^~~~
include/linux/percpu-defs.h:500:41: note: in expansion of macro '__pcpu_size_call'
500 | #define this_cpu_write(pcp, val) __pcpu_size_call(this_cpu_write_, pcp, val)
| ^~~~~~~~~~~~~~~~
arch/x86/include/asm/tlbflush.h:468:9: note: in expansion of macro 'this_cpu_write'
468 | this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
| ^~~~~~~~~~~~~~
In file included from include/linux/kasan.h:38,
from include/linux/slab.h:264,
from include/linux/fs.h:45,
from include/linux/compat.h:17,
from arch/x86/include/asm/ia32.h:7,
from arch/x86/include/asm/elf.h:10,
from include/linux/elf.h:6,
from include/linux/module.h:20,
from include/linux/device/driver.h:21,
from include/linux/device.h:32,
from include/linux/platform_device.h:13,
from include/linux/clocksource.h:21,
from include/clocksource/hyperv_timer.h:16,
from arch/x86/include/asm/vdso/gettimeofday.h:20,
from include/vdso/datapage.h:196,
from arch/x86/include/uapi/../../../../lib/vdso/gettimeofday.c:6,
from arch/x86/entry/vdso/vdso32/../common/vclock_gettime.c:16:
include/linux/pgtable.h: At top level:
>> include/linux/pgtable.h:2204:2: error: #error Missing MAX_POSSIBLE_PHYSMEM_BITS definition
2204 | #error Missing MAX_POSSIBLE_PHYSMEM_BITS definition
| ^~~~~
arch/x86/include/asm/ia32.h:28:8: error: redefinition of 'struct stat64'
28 | struct stat64 {
| ^~~~~~
In file included from include/linux/stat.h:6,
from include/linux/sysfs.h:22,
from include/linux/kobject.h:20,
from include/linux/of.h:18,
from include/linux/clocksource.h:19:
arch/x86/include/uapi/asm/stat.h:42:8: note: originally defined here
42 | struct stat64 {
| ^~~~~~

vim +2204 include/linux/pgtable.h

^1da177e4c3f41 include/asm-generic/pgtable.h Linus Torvalds 2005-04-16 2196
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2197 #if !defined(MAX_POSSIBLE_PHYSMEM_BITS) && !defined(CONFIG_64BIT)
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2198 #ifdef CONFIG_PHYS_ADDR_T_64BIT
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2199 /*
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2200 * ZSMALLOC needs to know the highest PFN on 32-bit architectures
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2201 * with physical address space extension, but falls back to
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2202 * BITS_PER_LONG otherwise.
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2203 */
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 @2204 #error Missing MAX_POSSIBLE_PHYSMEM_BITS definition
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2205 #else
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2206 #define MAX_POSSIBLE_PHYSMEM_BITS 32
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2207 #endif
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2208 #endif
cef397038167ac include/linux/pgtable.h Arnd Bergmann 2020-11-11 2209

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