On 23/08/2023 14:12, Zhu Yanjun wrote: > 在 2023/8/23 10:13, Li Zhijian 写道: >> A newline help flushing message out. > > rxe_info_dev will finally call printk to output information. > > In this link https://github.com/torvalds/linux/blob/master/Documentation/core-api/printk-basics.rst, > " > All printk() messages are printed to the kernel log buffer, which is a ring buffer exported to userspace through /dev/kmsg. The usual way to read it is using dmesg. > " > Do you mean that a new line will help the kernel log buffer flush message out? Yeah, the message will be buffered until it is full or it meets a newline. > > Zhu Yanjun >> >> Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxx> >> --- >> drivers/infiniband/sw/rxe/rxe.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c >> index 54c723a6edda..cb2c0d54aae1 100644 >> --- a/drivers/infiniband/sw/rxe/rxe.c >> +++ b/drivers/infiniband/sw/rxe/rxe.c >> @@ -161,7 +161,7 @@ void rxe_set_mtu(struct rxe_dev *rxe, unsigned int ndev_mtu) >> port->attr.active_mtu = mtu; >> port->mtu_cap = ib_mtu_enum_to_int(mtu); >> - rxe_info_dev(rxe, "Set mtu to %d", port->mtu_cap); >> + rxe_info_dev(rxe, "Set mtu to %d\n", port->mtu_cap); >> } >> /* called by ifc layer to create new rxe device. >