On Sat, 29 Sep 2018 20:13:17 +0900 Sergey Senozhatsky <sergey.senozhat...@gmail.com> wrote:
> On (09/28/18 20:21), Tetsuo Handa wrote: > > On 2018/09/28 17:56, Sergey Senozhatsky wrote: > > > The good thing about cont buffer is that we flush it on panic. E.g. > > > core/arch early boot stage can do: > > > > > > pr_cont("going to call early_init_foo()..."); > > > early_init_foo(); > > > pr_cont("OK\n"); > > > > > > > Is printing > > > > going to call early_init_foo()...OK > > > > in one line so critically important? > Yes. My testing infrastructure tests for this on boot up for the ftrace self tests. -- Steve