[RFC v3 02/26] arch: add __SYSCALL_DEFINE_ARCH
From: Hajime Tazaki <hidden>
Date: 2020-02-05 07:30:11
Also in:
linux-arch, linux-um
Subsystem:
abi/api, the rest · Maintainer:
Linus Torvalds
From: Octavian Purdila <redacted> This allows the architecture code to process the system call definitions. It is used by LKL to create strong typed function definitions for system calls. Signed-off-by: Octavian Purdila <redacted> Cc: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --- include/linux/syscalls.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 5262b7a76d39..d61069aa869a 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h@@ -203,9 +203,14 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event) } #endif +#ifndef __SYSCALL_DEFINE_ARCH +#define __SYSCALL_DEFINE_ARCH(x, sname, ...) +#endif + #ifndef SYSCALL_DEFINE0 #define SYSCALL_DEFINE0(sname) \ SYSCALL_METADATA(_##sname, 0); \ + __SYSCALL_DEFINE_ARCH(0, _##sname); \ asmlinkage long sys_##sname(void); \ ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \ asmlinkage long sys_##sname(void)
@@ -222,6 +227,7 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event) #define SYSCALL_DEFINEx(x, sname, ...) \ SYSCALL_METADATA(sname, x, __VA_ARGS__) \ + __SYSCALL_DEFINE_ARCH(x, sname, __VA_ARGS__) \ __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) #define __PROTECT(...) asmlinkage_protect(__VA_ARGS__)
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