diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/compat.h | 4 | ||||
| -rw-r--r-- | include/linux/compiler-clang.h | 6 | ||||
| -rw-r--r-- | include/linux/compiler_types.h | 4 | ||||
| -rw-r--r-- | include/linux/syscalls.h | 4 |
4 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index 56cebaff0c91..8da0a15c95f4 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -72,6 +72,10 @@ __diag_push(); \ __diag_ignore(GCC, 8, "-Wattribute-alias", \ "Type aliasing is used to sanitize syscall arguments");\ + __diag_ignore(clang, 23, "-Wunknown-warning-option", \ + "Avoid breaking versions without -Wattribute-alias"); \ + __diag_ignore(clang, 23, "-Wattribute-alias", \ + "Type aliasing is used to sanitize syscall arguments"); \ asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ __attribute__((alias(__stringify(__se_compat_sys##name)))); \ ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \ diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index e1123dd28486..527e4e136020 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -131,6 +131,12 @@ #define __diag_str(s) __diag_str1(s) #define __diag(s) _Pragma(__diag_str(clang diagnostic s)) +#if CONFIG_CLANG_VERSION >= 230000 +#define __diag_clang_23(s) __diag(s) +#else +#define __diag_clang_23(s) +#endif + #define __diag_clang_13(s) __diag(s) #define __diag_ignore_all(option, comment) \ diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index e8fd77593b68..369966598a2c 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -711,6 +711,10 @@ struct ftrace_likely_data { #define __diag_GCC(version, severity, string) #endif +#ifndef __diag_clang +#define __diag_clang(version, severity, string) +#endif + #define __diag_push() __diag(push) #define __diag_pop() __diag(pop) diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index f5639d5ac331..4fb7291f54b6 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -247,6 +247,10 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event) __diag_push(); \ __diag_ignore(GCC, 8, "-Wattribute-alias", \ "Type aliasing is used to sanitize syscall arguments");\ + __diag_ignore(clang, 23, "-Wunknown-warning-option", \ + "Avoid breaking versions without -Wattribute-alias");\ + __diag_ignore(clang, 23, "-Wattribute-alias", \ + "Type aliasing is used to sanitize syscall arguments");\ asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \ __attribute__((alias(__stringify(__se_sys##name)))); \ ALLOW_ERROR_INJECTION(sys##name, ERRNO); \ |