[SeaBIOS] [PATCH v2] optionrom: disallow int19 redirect for pnp roms.

Kevin O'Connor kevin at koconnor.net
Tue Dec 11 03:53:01 CET 2018

On Thu, Dec 06, 2018 at 04:07:40PM +0100, Gerd Hoffmann wrote:
> Check whenever pnp roms attempt to redirect int19, and in case it does
> log a message and undo the redirect.
> A pnp rom should not need this, we have BEVs and BCVs for that.
> Nevertheless there are roms in the wild which are redirecting int19.
> At least some BIOS implementations for physical hardware have a config
> option in the setup to allow/disallow int19 redirections, so just not
> allowing this seems to be the way to deal with this situation.

Thanks.  As discussed, I'm okay with this change.


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