Messages in this thread | | | Date | Tue, 4 Apr 2017 23:30:50 -0400 | From | Steven Rostedt <> | Subject | Re: [RFC][PATCH 2/2] printk: Add /sys/consoles/${con}/ and maxlevel attribute |
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On Tue, 4 Apr 2017 16:03:20 -0700 Calvin Owens <calvinowens@fb.com> wrote:
> This does the simplest possible thing: add a directory at the root of > sysfs that allows setting the "maxlevel" parameter for each console. > > We can let kobject destruction race with console removal: if it does, > maxlevel_{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.
Can you also add a patch that allows this to be set on the kernel command line, when the consoles are defined.
-- Steve
> > Signed-off-by: Calvin Owens <calvinowens@fb.com>
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