On Wed, Aug 23, 2023 at 2:25 PM Zhijian Li (Fujitsu) <lizhijian@xxxxxxxxxxx> wrote: > > > > 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. Add PRINTK reviewers: Petr Mladek <pmladek@xxxxxxxx> Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx> Steven Rostedt <rostedt@xxxxxxxxxxx> John Ogness <john.ogness@xxxxxxxxxxxxx> This is about printk. They can decide this commit. Zhu Yanjun > > > > > > > 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. > >