tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 931294922e65a23e1aad6398b9ae02df74044679 commit: fc3df4ba473dd7aed619933c8010b0f8a96db1df [7582/7588] mm: introduce memfd_secret system call to create "secret" memory areas config: x86_64-randconfig-r004-20210327 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=fc3df4ba473dd7aed619933c8010b0f8a96db1df git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout fc3df4ba473dd7aed619933c8010b0f8a96db1df # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): | ^~~~~~~~~~~~~~~~~~ kernel/sys_ni.c:342:1: note: in expansion of macro 'COND_SYSCALL' 342 | COND_SYSCALL(bpf); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_execveat' [-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:345:1: note: in expansion of macro 'COND_SYSCALL' 345 | COND_SYSCALL(execveat); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_userfaultfd' [-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:347:1: note: in expansion of macro 'COND_SYSCALL' 347 | COND_SYSCALL(userfaultfd); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_membarrier' [-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:350:1: note: in expansion of macro 'COND_SYSCALL' 350 | COND_SYSCALL(membarrier); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_mlock2' [-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:352:1: note: in expansion of macro 'COND_SYSCALL' 352 | COND_SYSCALL(mlock2); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_copy_file_range' [-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:354:1: note: in expansion of macro 'COND_SYSCALL' 354 | COND_SYSCALL(copy_file_range); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_pkey_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:357:1: note: in expansion of macro 'COND_SYSCALL' 357 | COND_SYSCALL(pkey_mprotect); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_pkey_alloc' [-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:358:1: note: in expansion of macro 'COND_SYSCALL' 358 | COND_SYSCALL(pkey_alloc); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_pkey_free' [-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:359:1: note: in expansion of macro 'COND_SYSCALL' 359 | COND_SYSCALL(pkey_free); | ^~~~~~~~~~~~ >> arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_memfd_secret' [-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:362:1: note: in expansion of macro 'COND_SYSCALL' 362 | COND_SYSCALL(memfd_secret); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_pciconfig_read' [-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:369:1: note: in expansion of macro 'COND_SYSCALL' 369 | COND_SYSCALL(pciconfig_read); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_pciconfig_write' [-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:370:1: note: in expansion of macro 'COND_SYSCALL' 370 | COND_SYSCALL(pciconfig_write); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_pciconfig_iobase' [-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:371:1: note: in expansion of macro 'COND_SYSCALL' 371 | COND_SYSCALL(pciconfig_iobase); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_socketcall' [-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:374:1: note: in expansion of macro 'COND_SYSCALL' 374 | COND_SYSCALL(socketcall); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x32_compat_sys_socketcall' [-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:375:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 375 | COND_SYSCALL_COMPAT(socketcall); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x32_compat_sys_fanotify_mark' [-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:378:1: note: in expansion of macro 'COND_SYSCALL_COMPAT' 378 | COND_SYSCALL_COMPAT(fanotify_mark); | ^~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_vm86old' [-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:381:1: note: in expansion of macro 'COND_SYSCALL' 381 | COND_SYSCALL(vm86old); | ^~~~~~~~~~~~ arch/x86/include/asm/syscall_wrapper.h:83:14: warning: no previous prototype for '__x64_sys_modify_ldt' [-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_memfd_secret +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 a74d187c2df3a3 Brian Gerst 2020-03-13 88 #define __SYS_NI(abi, name) \ 290a4474d019c7 Brian Gerst 2020-03-24 89 SYSCALL_ALIAS(__##abi##_##name, sys_ni_posix_timers); a74d187c2df3a3 Brian Gerst 2020-03-13 90 4399e0cf494f73 Brian Gerst 2020-03-13 91 #ifdef CONFIG_X86_64 d2b5de495ee983 Brian Gerst 2020-03-13 92 #define __X64_SYS_STUB0(name) \ d2b5de495ee983 Brian Gerst 2020-03-13 93 __SYS_STUB0(x64, sys_##name) d2b5de495ee983 Brian Gerst 2020-03-13 94 4399e0cf494f73 Brian Gerst 2020-03-13 95 #define __X64_SYS_STUBx(x, name, ...) \ 4399e0cf494f73 Brian Gerst 2020-03-13 96 __SYS_STUBx(x64, sys##name, \ 4399e0cf494f73 Brian Gerst 2020-03-13 97 SC_X86_64_REGS_TO_ARGS(x, __VA_ARGS__)) 6cc8d2b286d9e7 Brian Gerst 2020-03-13 98 6cc8d2b286d9e7 Brian Gerst 2020-03-13 99 #define __X64_COND_SYSCALL(name) \ 6cc8d2b286d9e7 Brian Gerst 2020-03-13 @100 __COND_SYSCALL(x64, sys_##name) a74d187c2df3a3 Brian Gerst 2020-03-13 101 :::::: The code at line 83 was first introduced by commit :::::: 0f78ff17112d8b3469b805ff4ea9780cc1e5c93b x86/entry: Drop asmlinkage from syscalls :::::: TO: Brian Gerst <brgerst@xxxxxxxxx> :::::: CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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