On Wed, Jun 02, 2021 at 01:46:51PM +0200, Arnd Bergmann wrote: > From: Michael Weiser <michael.weiser@xxxxxx> > > commit 1962682d2b2fbe6cfa995a85c53c069fadda473e upstream. > > 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@xxxxxxxxxxxxxxx> > Cc: Martin Vajnar <martin.vajnar@xxxxxxxxx> > Cc: musl@xxxxxxxxxxxxxxxxxx > Acked-by: Will Deacon <will.deacon@xxxxxxx> > Signed-off-by: Michael Weiser <michael.weiser@xxxxxx> > Signed-off-by: Will Deacon <will.deacon@xxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > This was backported to v4.14 and later, but is missing in v4.4 and > before, apparently because of a trivial merge conflict. This is > a manual backport I did after I saw a report about the issue > by Martin Vajnar on the musl mailing list. > --- > arch/arm64/kernel/traps.c | 8 -------- > 1 file changed, 8 deletions(-) Now queued up, thanks. greg k-h
