[Cocci] [PATCH] compat/compat-drivers/linux-next: fb skip_vt_switch

Jesse Barnes jbarnes at virtuousgeek.org
Thu Mar 28 16:39:43 CET 2013

On Thu, 28 Mar 2013 05:04:26 -0700
"Luis R. Rodriguez" <mcgrof at do-not-panic.com> wrote:

> The new commit by Jesse that extended the fb_info with a skip_vt_switch
> element is the simplest example of a data structure expansion. We'd backport
> this by adding a static inline to compat so that new kernels muck with the
> new element and for older kernels this would be a no-op. This reduces the
> size of the backport and unclutters the required patch with #idefs, and
> insteads leaves only a replacement of the usage of the new elements with
> a static inline, this however would still be required on our end:
> 	-      info->skip_vt_switch = true;
> 	+      fb_enable_skip_vt_switch(info);
> So we'd then have to just add this static inline change for each new driver...
> There may be a way to get SmPL to do this for us...

Yeah I'm not attached to the direct structure reference; a couple of
inlines are just as easy to read.  So no argument from me.

Jesse Barnes, Intel Open Source Technology Center

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