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Paul Gortmaker says: ==================== The removal of wanrouter code was originally listed in the (now gone) feature removal file since May 2012, and an RFC of the deletion was posted[1] in late 2012. The overall concept was given an OK, but defconfig contamination, build failures, etc. meant that it didn't quite make it into mainline for 3.8. Since that time, Dan discovered (via code audit) a runtime bug that proves nobody has been using this for over four years[2]. With that new information, I think it makes sense for someone to follow through on Joe's original RFC and get this done for the 3.9 release. In addition to resolving the build failures of the RFC by keeping stub headers, this also splits the change into two parts, just like the token ring removal did. Part #1 decouples the mainline kernel from the expired subsystem, and part #2 does the large scale deletion of the subsystem content. The advantage of the above, is that a "git blame" will never lead you to a 4000+ line deletion commit. The large scale deletion will never show up in a "git blame" and hence the same advantages that we get from the "--irreversible-delete" in the review stage of "git format-patch" are also embedded into the git history itself. This may seem like a moot point to some, but for those who spend a considerable amount of time data mining in the git history, this is probably worth doing. I have done build tests of all[mod/yes]config for both the stage 1 (Makefile and Kconfig) and stage 2 (full driver delete) as a sanity check, and the issues with the previously posted RFC should be gone. Speaking of "--irreversible-delete" -- these patches were created with that option, so if you want to use them locally, you are going to have to pull (location below) the content instead of doing a "git am" of the mailed out content. [1] http://patchwork.ozlabs.org/patch/198794/ [2] http://www.spinics.net/lists/netdev/msg218670.html ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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