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Improving checkpatch

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Linux

"This version brings a number of new checks, and a number of bug fixes," Andy Whitcroft noted in his announcement for version 0.10 of checkpatch.pl, used by Linux kernel developers to scan their code for common mistakes.

Ingo Molnar expressed concern, "your checkpatch patch itself produces 22 warnings." He pointed out that there were numerous bogus warnings generated by the script, "ever since v8 the quality of checkpatch.pl has been getting worse and worse as there are way too many false positives. I'm still stuck on v8 for my own use, v9 and v10 is unusable." Ingo continued, "what matters is that only items should be displayed that i _can_ fix. With v8 i was able to make kernel/sched*.c almost noise-free, but with v9 and v10 that's not possible anymore." He noted that he was fine with there being a flag that would cause the script to generate additional questionable warnings, "but these default false positives are _lethal_ for a tool like this. (and i made this point before.) This is a _fundamental_ thing".

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