diff options
| author | Michael Weiser <michael.weiser@gmx.de> | 2018-02-01 23:13:36 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-02-19 17:05:53 +0000 |
| commit | 1962682d2b2fbe6cfa995a85c53c069fadda473e (patch) | |
| tree | 9e5edcbca7a89ac09fd2e68a100d41c3505332f8 /arch | |
| parent | 5ee39a71fd89ab7240c5339d04161c44a8e03269 (diff) | |
arm64: Remove unimplemented syscall log message
Stop printing a (ratelimited) kernel message for each instance of an
unimplemented syscall being called. Userland making an unimplemented
syscall is not necessarily misbehaviour and to be expected with a
current userland running on an older kernel. Also, the current message
looks scary to users but does not actually indicate a real problem nor
help them narrow down the cause. Just rely on sys_ni_syscall() to return
-ENOSYS.
Cc: <stable@vger.kernel.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Michael Weiser <michael.weiser@gmx.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kernel/traps.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index c8639f95e59a..eb2d15147e8d 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -526,14 +526,6 @@ asmlinkage long do_ni_syscall(struct pt_regs *regs) } #endif - if (show_unhandled_signals_ratelimited()) { - pr_info("%s[%d]: syscall %d\n", current->comm, - task_pid_nr(current), regs->syscallno); - dump_instr("", regs); - if (user_mode(regs)) - __show_regs(regs); - } - return sys_ni_syscall(); } |