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| author | Johannes Berg <johannes.berg@intel.com> | 2015-01-06 16:00:53 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2015-02-28 23:31:09 +0300 |
| commit | 2afe38d15cee01b2bb8f22383571f7f4a95f2d99 (patch) | |
| tree | fb20cff972e089702c3c98bffbc7868bb84834ed /net/wireless/Kconfig | |
| parent | 7d9bb2f0653c7830e676f1012051fe9349ce2669 (diff) | |
| download | linux-2afe38d15cee01b2bb8f22383571f7f4a95f2d99.tar.xz | |
cfg80211-wext: export symbols only when needed
When a fully converted cfg80211 driver needs cfg80211-wext for
userspace API purposes, the symbols need not be exported. When
other drivers (orinoco/hermes or ipw2200) are enabled, they do
need the symbols exported as they use them directly.
Make those drivers select a new CFG80211_WEXT_EXPORT Kconfig
symbol (instead of just CFG80211_WEXT) and export the functions
only if requested - this saves about 1/2k due to the size of
EXPORT_SYMBOL() itself.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/Kconfig')
| -rw-r--r-- | net/wireless/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index 29c8675f9a11..b13dfb4ff001 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -178,10 +178,18 @@ config CFG80211_WEXT bool "cfg80211 wireless extensions compatibility" depends on CFG80211 select WEXT_CORE + default y if CFG80211_WEXT_EXPORT help Enable this option if you need old userspace for wireless extensions with cfg80211-based drivers. +config CFG80211_WEXT_EXPORT + bool + depends on CFG80211 + help + Drivers should select this option if they require cfg80211's + wext compatibility symbols to be exported. + config LIB80211 tristate default n |