From: kernel test robot <lkp@intel.com>
To: Nicholas Piggin <npiggin@gmail.com>, linux-arch@vger.kernel.org
Cc: kbuild-all@lists.01.org, Nicholas Piggin <npiggin@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 05/23] arm64: use asm-generic/mmu_context.h for no-op implementations
Date: Thu, 27 Aug 2020 02:42:24 +0800 [thread overview]
Message-ID: <202008270243.fCM2sJ8e%lkp@intel.com> (raw)
In-Reply-To: <20200826145249.745432-6-npiggin@gmail.com>
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Hi Nicholas,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.9-rc2 next-20200826]
[cannot apply to sparc/master asm-generic/master sparc-next/master xtensa/for_next]
[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]
url: https://github.com/0day-ci/linux/commits/Nicholas-Piggin/Use-asm-generic-for-mmu_context-no-op-functions/20200826-225632
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 2ac69819ba9e3d8d550bb5d2d2df74848e556812
config: arm64-randconfig-r013-20200826 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from arch/arm64/kernel/process.c:54:
arch/arm64/include/asm/mmu_context.h: In function '__switch_mm':
>> arch/arm64/include/asm/mmu_context.h:226:2: error: too few arguments to function 'check_and_switch_context'
226 | check_and_switch_context(next);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mmu_context.h:177:6: note: declared here
177 | void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/process.c: At top level:
arch/arm64/kernel/process.c:260:6: warning: no previous prototype for '__show_regs' [-Wmissing-prototypes]
260 | void __show_regs(struct pt_regs *regs)
| ^~~~~~~~~~~
arch/arm64/kernel/process.c:352:5: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
352 | int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
| ^~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/process.c:554:41: warning: no previous prototype for '__switch_to' [-Wmissing-prototypes]
554 | __notrace_funcgraph struct task_struct *__switch_to(struct task_struct *prev,
| ^~~~~~~~~~~
arch/arm64/kernel/process.c:692:25: warning: no previous prototype for 'arm64_preempt_schedule_irq' [-Wmissing-prototypes]
692 | asmlinkage void __sched arm64_preempt_schedule_irq(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from arch/arm64/include/asm/efi.h:10,
from arch/arm64/kernel/setup.c:50:
arch/arm64/include/asm/mmu_context.h: In function '__switch_mm':
>> arch/arm64/include/asm/mmu_context.h:226:2: error: too few arguments to function 'check_and_switch_context'
226 | check_and_switch_context(next);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mmu_context.h:177:6: note: declared here
177 | void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from arch/arm64/kernel/cpu_errata.c:111:
arch/arm64/include/asm/mmu_context.h: In function '__switch_mm':
>> arch/arm64/include/asm/mmu_context.h:226:2: error: too few arguments to function 'check_and_switch_context'
226 | check_and_switch_context(next);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mmu_context.h:177:6: note: declared here
177 | void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/cpu_errata.c: At top level:
arch/arm64/kernel/cpu_errata.c:295:13: warning: no previous prototype for 'arm64_update_smccc_conduit' [-Wmissing-prototypes]
295 | void __init arm64_update_smccc_conduit(struct alt_instr *alt,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/cpu_errata.c:317:13: warning: no previous prototype for 'arm64_enable_wa2_handling' [-Wmissing-prototypes]
317 | void __init arm64_enable_wa2_handling(struct alt_instr *alt,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from arch/arm64/include/asm/kvm_mmu.h:90,
from arch/arm64/kernel/smp.c:43:
arch/arm64/include/asm/mmu_context.h: In function '__switch_mm':
>> arch/arm64/include/asm/mmu_context.h:226:2: error: too few arguments to function 'check_and_switch_context'
226 | check_and_switch_context(next);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mmu_context.h:177:6: note: declared here
177 | void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/smp.c: At top level:
arch/arm64/kernel/smp.c:842:6: warning: no previous prototype for 'arch_irq_work_raise' [-Wmissing-prototypes]
842 | void arch_irq_work_raise(void)
| ^~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/smp.c:863:6: warning: no previous prototype for 'panic_smp_self_stop' [-Wmissing-prototypes]
863 | void panic_smp_self_stop(void)
| ^~~~~~~~~~~~~~~~~~~
--
In file included from arch/arm64/kernel/suspend.c:14:
arch/arm64/include/asm/mmu_context.h: In function '__switch_mm':
>> arch/arm64/include/asm/mmu_context.h:226:2: error: too few arguments to function 'check_and_switch_context'
226 | check_and_switch_context(next);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mmu_context.h:177:6: note: declared here
177 | void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/suspend.c: At top level:
arch/arm64/kernel/suspend.c:32:13: warning: no previous prototype for 'cpu_suspend_set_dbg_restorer' [-Wmissing-prototypes]
32 | void __init cpu_suspend_set_dbg_restorer(int (*hw_bp_restore)(unsigned int))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
In file included from arch/arm64/kernel/machine_kexec.c:21:
arch/arm64/include/asm/mmu_context.h: In function '__switch_mm':
>> arch/arm64/include/asm/mmu_context.h:226:2: error: too few arguments to function 'check_and_switch_context'
226 | check_and_switch_context(next);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mmu_context.h:177:6: note: declared here
177 | void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/kernel/machine_kexec.c: At top level:
arch/arm64/kernel/machine_kexec.c:250:6: warning: no previous prototype for 'machine_crash_shutdown' [-Wmissing-prototypes]
250 | void machine_crash_shutdown(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~
--
In file included from arch/arm64/mm/context.c:16:
arch/arm64/include/asm/mmu_context.h: In function '__switch_mm':
>> arch/arm64/include/asm/mmu_context.h:226:2: error: too few arguments to function 'check_and_switch_context'
226 | check_and_switch_context(next);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/include/asm/mmu_context.h:177:6: note: declared here
177 | void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/arm64/mm/context.c: At top level:
>> arch/arm64/mm/context.c:201:6: error: conflicting types for 'check_and_switch_context'
201 | void check_and_switch_context(struct mm_struct *mm)
| ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/mm/context.c:16:
arch/arm64/include/asm/mmu_context.h:177:6: note: previous declaration of 'check_and_switch_context' was here
177 | void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
| ^~~~~~~~~~~~~~~~~~~~~~~~
# https://github.com/0day-ci/linux/commit/b7168fc5046fd65223bdc51ef411e157939433b6
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Nicholas-Piggin/Use-asm-generic-for-mmu_context-no-op-functions/20200826-225632
git checkout b7168fc5046fd65223bdc51ef411e157939433b6
vim +/check_and_switch_context +226 arch/arm64/include/asm/mmu_context.h
d96cc49bff5a77 Will Deacon 2017-12-06 214
39bc88e5e38e9b Catalin Marinas 2016-09-02 215 static inline void __switch_mm(struct mm_struct *next)
39bc88e5e38e9b Catalin Marinas 2016-09-02 216 {
e53f21bce4d35a Catalin Marinas 2015-03-23 217 /*
e53f21bce4d35a Catalin Marinas 2015-03-23 218 * init_mm.pgd does not contain any user mappings and it is always
e53f21bce4d35a Catalin Marinas 2015-03-23 219 * active for kernel addresses in TTBR1. Just set the reserved TTBR0.
e53f21bce4d35a Catalin Marinas 2015-03-23 220 */
e53f21bce4d35a Catalin Marinas 2015-03-23 221 if (next == &init_mm) {
e53f21bce4d35a Catalin Marinas 2015-03-23 222 cpu_set_reserved_ttbr0();
e53f21bce4d35a Catalin Marinas 2015-03-23 223 return;
e53f21bce4d35a Catalin Marinas 2015-03-23 224 }
e53f21bce4d35a Catalin Marinas 2015-03-23 225
c4885bbb3afee8 Pingfan Liu 2020-07-10 @226 check_and_switch_context(next);
b3901d54dc4f73 Catalin Marinas 2012-03-05 227 }
b3901d54dc4f73 Catalin Marinas 2012-03-05 228
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next prev parent reply other threads:[~2020-08-26 18:43 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 14:52 [PATCH v2 00/23] Use asm-generic for mmu_context no-op functions Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 01/23] asm-generic: add generic MMU versions of mmu context functions Nicholas Piggin
2020-08-26 18:13 ` kernel test robot
2020-09-01 6:49 ` Mike Rapoport
2020-09-01 7:14 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 02/23] alpha: use asm-generic/mmu_context.h for no-op implementations Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 03/23] arc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 04/23] arm: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 05/23] arm64: " Nicholas Piggin
2020-08-26 15:25 ` Catalin Marinas
2020-08-26 16:20 ` Nicholas Piggin
2020-10-27 9:59 ` Naresh Kamboju
2020-10-27 15:08 ` Arnd Bergmann
2020-08-26 18:42 ` kernel test robot [this message]
2020-08-26 18:57 ` kernel test robot
2020-08-26 23:55 ` kernel test robot
2020-08-26 14:52 ` [PATCH v2 06/23] csky: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 07/23] hexagon: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 08/23] ia64: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 09/23] m68k: " Nicholas Piggin
2020-08-27 9:33 ` Geert Uytterhoeven
2020-09-01 6:23 ` Nicholas Piggin
2020-09-01 7:03 ` Geert Uytterhoeven
2020-09-01 7:50 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 10/23] microblaze: " Nicholas Piggin
2020-08-31 14:15 ` Michal Simek
2020-09-01 6:15 ` Nicholas Piggin
2020-09-01 6:41 ` Michal Simek
2020-09-01 7:09 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 11/23] mips: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 12/23] nds32: " Nicholas Piggin
2020-08-28 10:09 ` Greentime Hu
2020-08-26 14:52 ` [PATCH v2 13/23] nios2: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 14/23] openrisc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 15/23] parisc: " Nicholas Piggin
2020-08-29 9:09 ` Helge Deller
2020-08-26 14:52 ` [PATCH v2 16/23] powerpc: " Nicholas Piggin
2020-09-01 7:30 ` Michael Ellerman
2020-08-26 14:52 ` [PATCH v2 17/23] riscv: " Nicholas Piggin
2020-08-26 16:42 ` Pekka Enberg
2020-08-26 14:52 ` [PATCH v2 18/23] s390: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 19/23] sh: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 20/23] sparc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 21/23] um: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 22/23] x86: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 23/23] xtensa: " Nicholas Piggin
2020-08-26 20:12 ` [PATCH v2 00/23] Use asm-generic for mmu_context no-op functions Arnd Bergmann
2020-08-30 10:18 ` Mike Rapoport
2020-09-01 6:17 ` Nicholas Piggin
2020-09-01 6:54 ` Mike Rapoport
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