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From: kernel test robot <lkp@intel.com>
To: Daniel Lezcano <daniel.lezcano@kernel.org>,
	tglx@kernel.org, zhipeng.wang_1@nxp.com
Cc: oe-kbuild-all@lists.linux.dev, shawnguo@kernel.org,
	jstultz@google.com, linux-kernel@vger.kernel.org,
	"Daniel Lezcano" <daniel.lezcano@linaro.org>,
	"Hans de Goede" <hansg@kernel.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	"Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
	"Rob Herring" <robh@kernel.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Stephen Boyd" <sboyd@kernel.org>
Subject: Re: [PATCH resend v1 1/7] clocksource/drivers/timer-probe: Create a platform_device before the framework is initialized
Date: Sat, 28 Mar 2026 14:55:36 +0800	[thread overview]
Message-ID: <202603281427.LUamgyCn-lkp@intel.com> (raw)
In-Reply-To: <20260327180600.8150-2-daniel.lezcano@kernel.org>

Hi Daniel,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tip/timers/core]
[also build test WARNING 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/20260328/202603281427.LUamgyCn-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/20260328/202603281427.LUamgyCn-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/202603281427.LUamgyCn-lkp@intel.com/

All warnings (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 +468 arch/x86/include/asm/tlbflush.h

82721d8b25d76c Kiryl Shutsemau 2023-03-12  465  
ec225f8c255fd0 Yosry Ahmed     2024-07-02  466  static inline void cpu_tlbstate_update_lam(unsigned long lam, u64 untag_mask)
82721d8b25d76c Kiryl Shutsemau 2023-03-12  467  {
ec225f8c255fd0 Yosry Ahmed     2024-07-02 @468  	this_cpu_write(cpu_tlbstate.lam, lam >> X86_CR3_LAM_U57_BIT);
ec225f8c255fd0 Yosry Ahmed     2024-07-02  469  	this_cpu_write(tlbstate_untag_mask, untag_mask);
82721d8b25d76c Kiryl Shutsemau 2023-03-12  470  }
82721d8b25d76c Kiryl Shutsemau 2023-03-12  471  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

  reply	other threads:[~2026-03-28  6:56 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-27 18:05 [PATCH v1 resend 0/7] Timer driver module support Daniel Lezcano
2026-03-27 18:05 ` [PATCH resend v1 1/7] clocksource/drivers/timer-probe: Create a platform_device before the framework is initialized Daniel Lezcano
2026-03-28  6:55   ` kernel test robot [this message]
2026-03-28  7:39   ` kernel test robot
2026-03-28 13:05   ` kernel test robot
2026-03-27 18:05 ` [PATCH resend v1 2/7] clocksource/drivers/mmio: Make the code compatible with modules Daniel Lezcano
2026-03-27 18:09   ` John Stultz
2026-03-27 18:05 ` [PATCH resend v1 3/7] clocksource/drivers/timer-of: " Daniel Lezcano
2026-03-27 18:05 ` [PATCH resend v1 4/7] clocksource/drivers/timer-probe: Add the module support for the TIMER_PDEV_DECLARE() macro Daniel Lezcano
2026-03-27 18:05 ` [PATCH resend v1 5/7] clocksource/drivers/rockchip: Use " Daniel Lezcano
2026-03-27 18:05 ` [PATCH resend v1 6/7] clocksource/drivers/rockchip: Add rockchip timer module support Daniel Lezcano
2026-03-27 18:05 ` [PATCH resend v1 7/7] clocksource/drivers/mediatek: Convert to " Daniel Lezcano
2026-04-03  7:59 ` [EXT] [PATCH v1 resend 0/7] Timer driver " Zhipeng Wang
2026-04-03  8:50   ` Daniel Lezcano

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