On 3/10/21 3:59 PM, Kees Cook wrote: > On Wed, Mar 10, 2021 at 02:51:24PM -0500, Jes Sorensen wrote: >> On 3/10/21 2:45 PM, Kees Cook wrote: >>> On Wed, Mar 10, 2021 at 02:31:57PM -0500, Jes Sorensen wrote: >>>> On 3/10/21 2:14 PM, Kees Cook wrote: >>>>> Hm, this conversation looks like a miscommunication, mainly? I see >>>>> Gustavo, as requested by many others[1], replacing the fallthrough >>>>> comments with the "fallthrough" statement. (This is more than just a >>>>> "Clang doesn't parse comments" issue.) >>>>> >>>>> This could be a tree-wide patch and not bother you, but Greg KH has >>>>> generally advised us to send these changes broken out. Anyway, this >>>>> change still needs to land, so what would be the preferred path? I think >>>>> Gustavo could just carry it for Linus to merge without bothering you if >>>>> that'd be preferred? >>>> >>>> I'll respond with the same I did last time, fallthrough is not C and >>>> it's ugly. >>> >>> I understand your point of view, but this is not the consensus[1] of >>> the community. "fallthrough" is a macro, using the GCC fallthrough >>> attribute, with the expectation that we can move to the C17/C18 >>> "[[fallthrough]]" statement once it is finalized by the C standards >>> body. >> >> I don't know who decided on that, but I still disagree. It's an ugly and >> pointless change that serves little purpose. We shouldn't have allowed >> the ugly /* fall-through */ comments in either, but at least they didn't >> mess with the code. I guess when you give someone an inch, they take a mile. >> >> Last time this came up, the discussion was that clang refused to fix >> their brokenness and therefore this nonsense was being pushed into the >> kernel. It's still a pointless argument, if clang can't fix it's crap, >> then stop using it. >> >> As Kalle correctly pointed out, none of the previous comments to this >> were addressed, the patches were just reposted as fact. Not exactly a >> nice way to go about it either. > > Do you mean changing the commit log to re-justify these changes? I > guess that could be done, but based on the thread, it didn't seem to > be needed. The change is happening to match the coding style consensus > reached to give the kernel the flexibility to move from a gcc extension > to the final C standards committee results without having to do treewide > commits again (i.e. via the macro). No, I am questioning why Gustavo continues to push this nonsense that serves no purpose whatsoever. In addition he has consistently ignored comments and just keep reposting it. But I guess that is how it works, ignore feedback, repost junk, repeat. Jes