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From: kernel test robot <[email protected]>
To: Thomas Gleixner <[email protected]>
Cc: [email protected], Ammar Faizi <[email protected]>,
	GNU/Weeb Mailing List <[email protected]>,
	[email protected], Sasha Levin <[email protected]>,
	Borislav Petkov <[email protected]>
Subject: [ammarfaizi2-block:stable/linux-stable-rc/queue/5.15 176/176] arch/x86/mm/extable.c:200:9: error: duplicate case value
Date: Tue, 26 Jul 2022 13:05:18 +0800	[thread overview]
Message-ID: <[email protected]> (raw)

tree:   https://github.com/ammarfaizi2/linux-block stable/linux-stable-rc/queue/5.15
head:   9780829ed8d15de556424bed96704c95dfc357f6
commit: 9780829ed8d15de556424bed96704c95dfc357f6 [176/176] x86/extable: Provide EX_TYPE_DEFAULT_MCE_SAFE and EX_TYPE_FAULT_MCE_SAFE
config: x86_64-randconfig-c002 (https://download.01.org/0day-ci/archive/20220726/[email protected]/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/ammarfaizi2/linux-block/commit/9780829ed8d15de556424bed96704c95dfc357f6
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block stable/linux-stable-rc/queue/5.15
        git checkout 9780829ed8d15de556424bed96704c95dfc357f6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <[email protected]>

All errors (new ones prefixed by >>):

   In file included from arch/x86/include/asm/asm.h:125,
                    from arch/x86/include/asm/alternative.h:7,
                    from arch/x86/include/asm/bitops.h:17,
                    from include/linux/bitops.h:33,
                    from include/linux/kernel.h:12,
                    from arch/x86/include/asm/percpu.h:27,
                    from arch/x86/include/asm/current.h:6,
                    from include/linux/sched.h:12,
                    from include/linux/uaccess.h:8,
                    from arch/x86/mm/extable.c:3:
   arch/x86/include/asm/extable_fixup_types.h:49: warning: "EX_TYPE_DEFAULT_MCE_SAFE" redefined
      49 | #define EX_TYPE_DEFAULT_MCE_SAFE        12
         | 
   arch/x86/include/asm/extable_fixup_types.h:42: note: this is the location of the previous definition
      42 | #define EX_TYPE_DEFAULT_MCE_SAFE        14
         | 
   arch/x86/include/asm/extable_fixup_types.h:50: warning: "EX_TYPE_FAULT_MCE_SAFE" redefined
      50 | #define EX_TYPE_FAULT_MCE_SAFE          13
         | 
   arch/x86/include/asm/extable_fixup_types.h:43: note: this is the location of the previous definition
      43 | #define EX_TYPE_FAULT_MCE_SAFE          15
         | 
   arch/x86/mm/extable.c: In function 'fixup_exception':
>> arch/x86/mm/extable.c:200:9: error: duplicate case value
     200 |         case EX_TYPE_WRMSR_IN_MCE:
         |         ^~~~
   arch/x86/mm/extable.c:177:9: note: previously used here
     177 |         case EX_TYPE_DEFAULT_MCE_SAFE:
         |         ^~~~
   arch/x86/mm/extable.c:203:9: error: duplicate case value
     203 |         case EX_TYPE_RDMSR_IN_MCE:
         |         ^~~~
   arch/x86/mm/extable.c:180:9: note: previously used here
     180 |         case EX_TYPE_FAULT_MCE_SAFE:
         |         ^~~~


vim +200 arch/x86/mm/extable.c

6d48583ba9ade6 Harvey Harrison 2008-01-30  166  
548acf19234dbd Tony Luck       2016-02-17  167  	e = search_exception_tables(regs->ip);
548acf19234dbd Tony Luck       2016-02-17  168  	if (!e)
6d48583ba9ade6 Harvey Harrison 2008-01-30  169  		return 0;
548acf19234dbd Tony Luck       2016-02-17  170  
d00a02f6f57ef8 Peter Zijlstra  2021-11-10  171  	type = FIELD_GET(EX_DATA_TYPE_MASK, e->data);
d00a02f6f57ef8 Peter Zijlstra  2021-11-10  172  	reg  = FIELD_GET(EX_DATA_REG_MASK,  e->data);
d00a02f6f57ef8 Peter Zijlstra  2021-11-10  173  	imm  = FIELD_GET(EX_DATA_IMM_MASK,  e->data);
d00a02f6f57ef8 Peter Zijlstra  2021-11-10  174  
d00a02f6f57ef8 Peter Zijlstra  2021-11-10  175  	switch (type) {
f6647d25769d7d Thomas Gleixner 2021-09-08  176  	case EX_TYPE_DEFAULT:
fd96c41f8fa7b6 Thomas Gleixner 2021-09-08  177  	case EX_TYPE_DEFAULT_MCE_SAFE:
f6647d25769d7d Thomas Gleixner 2021-09-08  178  		return ex_handler_default(e, regs);
f6647d25769d7d Thomas Gleixner 2021-09-08  179  	case EX_TYPE_FAULT:
fd96c41f8fa7b6 Thomas Gleixner 2021-09-08  180  	case EX_TYPE_FAULT_MCE_SAFE:
f6647d25769d7d Thomas Gleixner 2021-09-08  181  		return ex_handler_fault(e, regs, trapnr);
f6647d25769d7d Thomas Gleixner 2021-09-08  182  	case EX_TYPE_UACCESS:
f6647d25769d7d Thomas Gleixner 2021-09-08  183  		return ex_handler_uaccess(e, regs, trapnr);
f6647d25769d7d Thomas Gleixner 2021-09-08  184  	case EX_TYPE_COPY:
f6647d25769d7d Thomas Gleixner 2021-09-08  185  		return ex_handler_copy(e, regs, trapnr);
f6647d25769d7d Thomas Gleixner 2021-09-08  186  	case EX_TYPE_CLEAR_FS:
f6647d25769d7d Thomas Gleixner 2021-09-08  187  		return ex_handler_clear_fs(e, regs);
f6647d25769d7d Thomas Gleixner 2021-09-08  188  	case EX_TYPE_FPU_RESTORE:
f6647d25769d7d Thomas Gleixner 2021-09-08  189  		return ex_handler_fprestore(e, regs);
f6647d25769d7d Thomas Gleixner 2021-09-08  190  	case EX_TYPE_BPF:
f6647d25769d7d Thomas Gleixner 2021-09-08  191  		return ex_handler_bpf(e, regs);
67cae747a093a8 Peter Zijlstra  2021-11-10  192  	case EX_TYPE_WRMSR:
67cae747a093a8 Peter Zijlstra  2021-11-10  193  		return ex_handler_msr(e, regs, true, false, reg);
67cae747a093a8 Peter Zijlstra  2021-11-10  194  	case EX_TYPE_RDMSR:
67cae747a093a8 Peter Zijlstra  2021-11-10  195  		return ex_handler_msr(e, regs, false, false, reg);
67cae747a093a8 Peter Zijlstra  2021-11-10  196  	case EX_TYPE_WRMSR_SAFE:
67cae747a093a8 Peter Zijlstra  2021-11-10  197  		return ex_handler_msr(e, regs, true, true, reg);
67cae747a093a8 Peter Zijlstra  2021-11-10  198  	case EX_TYPE_RDMSR_SAFE:
67cae747a093a8 Peter Zijlstra  2021-11-10  199  		return ex_handler_msr(e, regs, false, true, reg);
f6647d25769d7d Thomas Gleixner 2021-09-08 @200  	case EX_TYPE_WRMSR_IN_MCE:
f6647d25769d7d Thomas Gleixner 2021-09-08  201  		ex_handler_msr_mce(regs, true);
f6647d25769d7d Thomas Gleixner 2021-09-08  202  		break;
67cae747a093a8 Peter Zijlstra  2021-11-10  203  	case EX_TYPE_RDMSR_IN_MCE:
67cae747a093a8 Peter Zijlstra  2021-11-10  204  		ex_handler_msr_mce(regs, false);
67cae747a093a8 Peter Zijlstra  2021-11-10  205  		break;
54ad742e5119ea Peter Zijlstra  2021-11-10  206  	case EX_TYPE_POP_ZERO:
54ad742e5119ea Peter Zijlstra  2021-11-10  207  		return ex_handler_pop_zero(e, regs);
d00a02f6f57ef8 Peter Zijlstra  2021-11-10  208  	case EX_TYPE_IMM_REG:
d00a02f6f57ef8 Peter Zijlstra  2021-11-10  209  		return ex_handler_imm_reg(e, regs, reg, imm);
f6647d25769d7d Thomas Gleixner 2021-09-08  210  	}
f6647d25769d7d Thomas Gleixner 2021-09-08  211  	BUG();
6d48583ba9ade6 Harvey Harrison 2008-01-30  212  }
6a1ea279c210e7 H. Peter Anvin  2012-04-19  213  

:::::: The code at line 200 was first introduced by commit
:::::: f6647d25769d7dc7c50b9bbd6fd364bb148743b5 x86/extable: Rework the exception table mechanics

:::::: TO: Thomas Gleixner <[email protected]>
:::::: CC: Sasha Levin <[email protected]>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

                 reply	other threads:[~2022-07-26  5:05 UTC|newest]

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