Messages in this thread | | | Date | Sat, 14 Jan 2017 08:26:13 +0100 | From | Greg KH <> | Subject | Re: [PATCH v9 4/4] console: Make persistent scrollback a boot parameter |
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On Fri, Jan 13, 2017 at 09:00:34PM +0100, Manuel Schölling wrote: > On Tue, 2017-01-10 at 23:58 +0100, Adam Borowski wrote: > > On Tue, Jan 10, 2017 at 10:28:38PM +0100, Manuel Schölling wrote: > > > The impact of the persistent scrollback feature on the code size is > > > rather small, so the config option is removed. The feature stays > > > disabled by default and can be enabled by using the boot command > > > line > > > parameter 'vgacon.scrollback_persistent=1' or by setting > > > VGACON_SOFT_SCROLLBACK_PERSISTENT_ENABLE_BY_DEFAULT=y. > > > > > > Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de> > > > Suggested-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> > > > +module_param_named(scrollback_persistent, scrollback_persistent, > > > bool, 0000); > > > +MODULE_PARM_DESC(scrollback_persistent, "Enable persistent > > > scrollback for all vga consoles"); > > > > A command-line knob settable by the end-user is something more > > persistent > > than a config option. As you're going to extend this code beyond > > vgacon in > > the near future, perhaps it'd be better to have a shared setting for > > all > > console drivers? > According to the guys at #kernelnewbies on IRC everybody hates new > command line options.
That was me, you can use my name here :)
> I'd rather stick to the module parameter for now and maybe introduce a > new cmd line option later, once this feature has been implemented in > several console drivers.
Yes, that should be fine.
thanks,
greg k-h
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