diff options
Diffstat (limited to 'arch/s390/include/asm/ftrace.h')
| -rw-r--r-- | arch/s390/include/asm/ftrace.h | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index bee2d16c2951..692c484ec163 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -105,28 +105,11 @@ static inline void arch_ftrace_set_direct_caller(struct ftrace_regs *fregs, unsi } #endif /* CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS */ -/* - * Even though the system call numbers are identical for s390/s390x a - * different system call table is used for compat tasks. This may lead - * to e.g. incorrect or missing trace event sysfs files. - * Therefore simply do not trace compat system calls at all. - * See kernel/trace/trace_syscalls.c. - */ -#define ARCH_TRACE_IGNORE_COMPAT_SYSCALLS -static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs) -{ - return is_compat_task(); -} - #define ARCH_HAS_SYSCALL_MATCH_SYM_NAME static inline bool arch_syscall_match_sym_name(const char *sym, const char *name) { - /* - * Skip __s390_ and __s390x_ prefix - due to compat wrappers - * and aliasing some symbols of 64 bit system call functions - * may get the __s390_ prefix instead of the __s390x_ prefix. - */ + /* Skip the __s390x_ prefix. */ return !strcmp(sym + 7, name) || !strcmp(sym + 8, name); } |