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Date:   Fri, 1 Oct 2021 08:11:56 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mickaël Salaün <mic@...ux.microsoft.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Jann Horn <jannh@...gle.com>
Subject: [landlock-lsm:landlock-v26 8/12]
 arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype
 for '__x64_sys_landlock_enforce_ruleset_current'

tree:   https://github.com/landlock-lsm/linux landlock-v26
head:   73bde39c3b83d0ef1cb12cb830ecc4cba1f23f15
commit: c36e8150b80e14c3b48df6a0aabfef83f41ab226 [8/12] landlock: Add syscall implementations
config: x86_64-randconfig-a004-20210930 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/landlock-lsm/linux/commit/c36e8150b80e14c3b48df6a0aabfef83f41ab226
        git remote add landlock-lsm https://github.com/landlock-lsm/linux
        git fetch --no-tags landlock-lsm landlock-v26
        git checkout c36e8150b80e14c3b48df6a0aabfef83f41ab226
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:253:1: note: in expansion of macro 'COND_SYSCALL'
     253 | COND_SYSCALL(recvmsg);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x32_compat_sys_recvmsg' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL'
     175 |  __COND_SYSCALL(x32, compat_sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL'
     219 |  __X32_COMPAT_COND_SYSCALL(name)
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:254:1: note: in expansion of macro 'COND_SYSCALL_COMPAT'
     254 | COND_SYSCALL_COMPAT(recvmsg);
         | ^~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_mremap' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:259:1: note: in expansion of macro 'COND_SYSCALL'
     259 | COND_SYSCALL(mremap);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_add_key' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:262:1: note: in expansion of macro 'COND_SYSCALL'
     262 | COND_SYSCALL(add_key);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_request_key' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:263:1: note: in expansion of macro 'COND_SYSCALL'
     263 | COND_SYSCALL(request_key);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_keyctl' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:264:1: note: in expansion of macro 'COND_SYSCALL'
     264 | COND_SYSCALL(keyctl);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x32_compat_sys_keyctl' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:175:2: note: in expansion of macro '__COND_SYSCALL'
     175 |  __COND_SYSCALL(x32, compat_sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:219:2: note: in expansion of macro '__X32_COMPAT_COND_SYSCALL'
     219 |  __X32_COMPAT_COND_SYSCALL(name)
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:265:1: note: in expansion of macro 'COND_SYSCALL_COMPAT'
     265 | COND_SYSCALL_COMPAT(keyctl);
         | ^~~~~~~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_landlock_create_ruleset' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:268:1: note: in expansion of macro 'COND_SYSCALL'
     268 | COND_SYSCALL(landlock_create_ruleset);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_landlock_add_rule' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:269:1: note: in expansion of macro 'COND_SYSCALL'
     269 | COND_SYSCALL(landlock_add_rule);
         | ^~~~~~~~~~~~
>> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_landlock_enforce_ruleset_current' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:270:1: note: in expansion of macro 'COND_SYSCALL'
     270 | COND_SYSCALL(landlock_enforce_ruleset_current);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_fadvise64_64' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:275:1: note: in expansion of macro 'COND_SYSCALL'
     275 | COND_SYSCALL(fadvise64_64);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_swapon' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:278:1: note: in expansion of macro 'COND_SYSCALL'
     278 | COND_SYSCALL(swapon);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_swapoff' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:279:1: note: in expansion of macro 'COND_SYSCALL'
     279 | COND_SYSCALL(swapoff);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_mprotect' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:280:1: note: in expansion of macro 'COND_SYSCALL'
     280 | COND_SYSCALL(mprotect);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_msync' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:281:1: note: in expansion of macro 'COND_SYSCALL'
     281 | COND_SYSCALL(msync);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_mlock' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:282:1: note: in expansion of macro 'COND_SYSCALL'
     282 | COND_SYSCALL(mlock);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_munlock' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)
         |  ^~~~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:256:2: note: in expansion of macro '__X64_COND_SYSCALL'
     256 |  __X64_COND_SYSCALL(name)     \
         |  ^~~~~~~~~~~~~~~~~~
   kernel/sys_ni.c:283:1: note: in expansion of macro 'COND_SYSCALL'
     283 | COND_SYSCALL(munlock);
         | ^~~~~~~~~~~~
   arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_mlockall' [-Wmissing-prototypes]
      83 |  __weak long __##abi##_##name(const struct pt_regs *__unused) \
         |              ^~
   arch/x86/include/asm/syscall_wrapper.h:100:2: note: in expansion of macro '__COND_SYSCALL'
     100 |  __COND_SYSCALL(x64, sys_##name)


vim +/__x64_sys_landlock_enforce_ruleset_current +83 arch/x86/include/asm/syscall_wrapper.h

cc42c045af1ff4 Brian Gerst       2020-03-13  13  
25c619e59b395a Brian Gerst       2020-03-13  14  /*
25c619e59b395a Brian Gerst       2020-03-13  15   * Instead of the generic __SYSCALL_DEFINEx() definition, the x86 version takes
25c619e59b395a Brian Gerst       2020-03-13  16   * struct pt_regs *regs as the only argument of the syscall stub(s) named as:
25c619e59b395a Brian Gerst       2020-03-13  17   * __x64_sys_*()         - 64-bit native syscall
25c619e59b395a Brian Gerst       2020-03-13  18   * __ia32_sys_*()        - 32-bit native syscall or common compat syscall
25c619e59b395a Brian Gerst       2020-03-13  19   * __ia32_compat_sys_*() - 32-bit compat syscall
25c619e59b395a Brian Gerst       2020-03-13  20   * __x32_compat_sys_*()  - 64-bit X32 compat syscall
25c619e59b395a Brian Gerst       2020-03-13  21   *
25c619e59b395a Brian Gerst       2020-03-13  22   * The registers are decoded according to the ABI:
25c619e59b395a Brian Gerst       2020-03-13  23   * 64-bit: RDI, RSI, RDX, R10, R8, R9
25c619e59b395a Brian Gerst       2020-03-13  24   * 32-bit: EBX, ECX, EDX, ESI, EDI, EBP
25c619e59b395a Brian Gerst       2020-03-13  25   *
25c619e59b395a Brian Gerst       2020-03-13  26   * The stub then passes the decoded arguments to the __se_sys_*() wrapper to
25c619e59b395a Brian Gerst       2020-03-13  27   * perform sign-extension (omitted for zero-argument syscalls).  Finally the
25c619e59b395a Brian Gerst       2020-03-13  28   * arguments are passed to the __do_sys_*() function which is the actual
25c619e59b395a Brian Gerst       2020-03-13  29   * syscall.  These wrappers are marked as inline so the compiler can optimize
25c619e59b395a Brian Gerst       2020-03-13  30   * the functions where appropriate.
25c619e59b395a Brian Gerst       2020-03-13  31   *
25c619e59b395a Brian Gerst       2020-03-13  32   * Example assembly (slightly re-ordered for better readability):
25c619e59b395a Brian Gerst       2020-03-13  33   *
25c619e59b395a Brian Gerst       2020-03-13  34   * <__x64_sys_recv>:		<-- syscall with 4 parameters
25c619e59b395a Brian Gerst       2020-03-13  35   *	callq	<__fentry__>
25c619e59b395a Brian Gerst       2020-03-13  36   *
25c619e59b395a Brian Gerst       2020-03-13  37   *	mov	0x70(%rdi),%rdi	<-- decode regs->di
25c619e59b395a Brian Gerst       2020-03-13  38   *	mov	0x68(%rdi),%rsi	<-- decode regs->si
25c619e59b395a Brian Gerst       2020-03-13  39   *	mov	0x60(%rdi),%rdx	<-- decode regs->dx
25c619e59b395a Brian Gerst       2020-03-13  40   *	mov	0x38(%rdi),%rcx	<-- decode regs->r10
25c619e59b395a Brian Gerst       2020-03-13  41   *
25c619e59b395a Brian Gerst       2020-03-13  42   *	xor	%r9d,%r9d	<-- clear %r9
25c619e59b395a Brian Gerst       2020-03-13  43   *	xor	%r8d,%r8d	<-- clear %r8
25c619e59b395a Brian Gerst       2020-03-13  44   *
25c619e59b395a Brian Gerst       2020-03-13  45   *	callq	__sys_recvfrom	<-- do the actual work in __sys_recvfrom()
25c619e59b395a Brian Gerst       2020-03-13  46   *				    which takes 6 arguments
25c619e59b395a Brian Gerst       2020-03-13  47   *
25c619e59b395a Brian Gerst       2020-03-13  48   *	cltq			<-- extend return value to 64-bit
25c619e59b395a Brian Gerst       2020-03-13  49   *	retq			<-- return
25c619e59b395a Brian Gerst       2020-03-13  50   *
25c619e59b395a Brian Gerst       2020-03-13  51   * This approach avoids leaking random user-provided register content down
25c619e59b395a Brian Gerst       2020-03-13  52   * the call chain.
25c619e59b395a Brian Gerst       2020-03-13  53   */
25c619e59b395a Brian Gerst       2020-03-13  54  
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  55  /* Mapping of registers to parameters for syscalls on x86-64 and x32 */
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  56  #define SC_X86_64_REGS_TO_ARGS(x, ...)					\
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  57  	__MAP(x,__SC_ARGS						\
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  58  		,,regs->di,,regs->si,,regs->dx				\
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  59  		,,regs->r10,,regs->r8,,regs->r9)			\
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  60  
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  61  /* Mapping of registers to parameters for syscalls on i386 */
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  62  #define SC_IA32_REGS_TO_ARGS(x, ...)					\
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  63  	__MAP(x,__SC_ARGS						\
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  64  	      ,,(unsigned int)regs->bx,,(unsigned int)regs->cx		\
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  65  	      ,,(unsigned int)regs->dx,,(unsigned int)regs->si		\
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  66  	      ,,(unsigned int)regs->di,,(unsigned int)regs->bp)
ebeb8c82ffaf94 Dominik Brodowski 2018-04-05  67  
d2b5de495ee983 Brian Gerst       2020-03-13  68  #define __SYS_STUB0(abi, name)						\
0f78ff17112d8b Brian Gerst       2020-03-13  69  	long __##abi##_##name(const struct pt_regs *regs);		\
d2b5de495ee983 Brian Gerst       2020-03-13  70  	ALLOW_ERROR_INJECTION(__##abi##_##name, ERRNO);			\
0f78ff17112d8b Brian Gerst       2020-03-13  71  	long __##abi##_##name(const struct pt_regs *regs)		\
d2b5de495ee983 Brian Gerst       2020-03-13  72  		__alias(__do_##name);
d2b5de495ee983 Brian Gerst       2020-03-13  73  
4399e0cf494f73 Brian Gerst       2020-03-13  74  #define __SYS_STUBx(abi, name, ...)					\
0f78ff17112d8b Brian Gerst       2020-03-13  75  	long __##abi##_##name(const struct pt_regs *regs);		\
4399e0cf494f73 Brian Gerst       2020-03-13  76  	ALLOW_ERROR_INJECTION(__##abi##_##name, ERRNO);			\
0f78ff17112d8b Brian Gerst       2020-03-13  77  	long __##abi##_##name(const struct pt_regs *regs)		\
4399e0cf494f73 Brian Gerst       2020-03-13  78  	{								\
4399e0cf494f73 Brian Gerst       2020-03-13  79  		return __se_##name(__VA_ARGS__);			\
4399e0cf494f73 Brian Gerst       2020-03-13  80  	}
4399e0cf494f73 Brian Gerst       2020-03-13  81  
6cc8d2b286d9e7 Brian Gerst       2020-03-13  82  #define __COND_SYSCALL(abi, name)					\
0f78ff17112d8b Brian Gerst       2020-03-13 @83  	__weak long __##abi##_##name(const struct pt_regs *__unused)	\
6cc8d2b286d9e7 Brian Gerst       2020-03-13  84  	{								\
6cc8d2b286d9e7 Brian Gerst       2020-03-13  85  		return sys_ni_syscall();				\
6cc8d2b286d9e7 Brian Gerst       2020-03-13  86  	}
6cc8d2b286d9e7 Brian Gerst       2020-03-13  87  

:::::: The code at line 83 was first introduced by commit
:::::: 0f78ff17112d8b3469b805ff4ea9780cc1e5c93b x86/entry: Drop asmlinkage from syscalls

:::::: TO: Brian Gerst <brgerst@...il.com>
:::::: CC: Thomas Gleixner <tglx@...utronix.de>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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