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Re: Parser stable fix question for CFG80211_INTERNAL_REGDB

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On Mon, Jun 30, 2014 at 11:55 AM, Luis R. Rodriguez
<mcgrof@xxxxxxxxxxxxxxxx> wrote:
> For the current kernel we
> could intake the patch below, and I can port the change to no use
> dfs_cac, that would enable older kernels to use new and older versions
> of the ASCII database file.

Personally I actually rather avoid us accept a patch upstream for a
userspace change. The problem here is that we failed to realize the
impact of CFG80211_INTERNAL_REGDB at build time with a userspace tool,
in this case the db.txt file wireless-regdb provides and its format.

If we wanted to avoid a stable patch we could require a match between
wireless-regdb input file used for a kernel when
CFG80211_INTERNAL_REGDB is used at build time. That would require
different ASCII files on wireless-regdb or having the users of
CFG80211_INTERNAL_REGDB do the conversion themselves. Upstream would
just follow the wireless-regdb latest format. This then would just
require upstream a Kconfig update to clarify the requirements.

This seems like a rather lazy option but also one that would be rather
more fair and honest for upstream, we could deal with a proper fix by
reconsidering the implementation of CFG80211_INTERNAL_REGDB completely
for future kernels.

 Luis
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