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SubjectRe: [PATCH v9 4/4] console: Make persistent scrollback a boot parameter
On Fri, Feb 03, 2017 at 05:04:15PM +0100, Manuel Schölling wrote:
> On Thu, 2017-02-02 at 15:07 -0500, Paul Gortmaker wrote:
> > On Tue, Jan 10, 2017 at 4:28 PM, Manuel Schölling
> > <manuel.schoelling@gmx.de> 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.
> >
> > [...]
> >
> > > +module_param_named(scrollback_persistent, scrollback_persistent,
> > > bool, 0000);
> > > +MODULE_PARM_DESC(scrollback_persistent, "Enable persistent
> > > scrollback for all vga consoles");
> >
> > Since this hasn't got widespread deployment yet and  only exists
> > in Greg's tree, can we please fix the above to use setup_param or
> > similar, since there is nothing modular about this code at all.
> Not sure what you mean here.
> If this is not the right may to declare it I'd be more than happy to
> change this. But I could not find any function/macro named setup_param
> [1].
> It would be great if you could give me a hint what function to use
> here!
>
> [1] http://lxr.free-electrons.com/ident?i=setup_param

That shows only exact matches.

You want "git grep setup_param", which shows __setup_param() plus some
unrelated stuff. I see only four uses in the kernel, but that's enough
to see how to use it.


Meow!
--
Autotools hint: to do a zx-spectrum build on a pdp11 host, type:
./configure --host=zx-spectrum --build=pdp11

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