This extends the "console=" interface to allow setting the per-console
loglevel by adding "/N" to the string, where N is the desired loglevel
expressed as a base 10 integer. Invalid values are silently ignored.
Cc: Petr Mladek
Cc: Steven Rostedt
Cc: Sergey Senozhatsky
S
show,store}() will safely fail with -ENODEV. This is a little
weird, but avoids embedding the kobject and therefore needing to totally
refactor the way we handle console struct lifetime.
Cc: Petr Mladek
Cc: Steven Rostedt
Cc: Sergey Senozhatsky
Signed-off-by: Calvin Owens
---
(V1: https://lkml.org/lkm
ing a conservative system
loglevel setting to avoid disturbing applications.
Cc: Petr Mladek
Cc: Steven Rostedt
Cc: Sergey Senozhatsky
Signed-off-by: Calvin Owens
---
(V1: https://lkml.org/lkml/2017/4/4/783)
Changes in V2:
* Honor the ignore_loglevel setting in all cases
* Ch
On 09/28/2017 05:43 PM, Calvin Owens wrote:
Not all consoles are created equal: depending on the actual hardware,
the latency of a printk() call can vary dramatically. The worst examples
are serial consoles, where it can spin for tens of milliseconds banging
the UART to emit a message, which can
On 10/20/2017 01:05 AM, Petr Mladek wrote:
On Thu 2017-10-19 16:40:45, Calvin Owens wrote:
On 09/28/2017 05:43 PM, Calvin Owens wrote:
Not all consoles are created equal: depending on the actual hardware,
the latency of a printk() call can vary dramatically. The worst examples
are serial
On 11/03/2017 07:32 AM, Kroah-Hartman wrote:
On Fri, Nov 03, 2017 at 03:21:14PM +0100, Petr Mladek wrote:
On Thu 2017-09-28 17:43:56, Calvin Owens wrote:
This adds a new sysfs interface that contains a directory for each
console registered on the system. Each directory contains a single
On Friday 10/19 at 09:04 +0900, Sergey Senozhatsky wrote:
> On (09/28/17 17:43), Calvin Owens wrote:
> > Not all consoles are created equal: depending on the actual hardware,
> > the latency of a printk() call can vary dramatically. The worst examples
> > are serial consoles,
