veyepar: Sparse warnings

Author(s):	Daniel Axtens
Location	Boardwalk Gallery
Date	jan Sun 15	Days Raw Files
Start	18:20	First Raw Start	18:01
Duration	0:30:0	Offset	0:18:22
End	18:50	Last Raw End	19:01
Chapters	00:00 0:09:25
Total cuts_time	23 min.

http://linux.conf.au/schedule/presentation/132/
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assets release.pdf Sparse_warnings.json
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Description:	`sparse` is a semantic parser for C, and is one of the static analysis tools avaliable to kernel devs. Sparse is a powerful tool with good integration into the kernel build system. However, we suffer from warning overload - there are too many sparse warnings to spot the serious issues amongst the trivial. This makes it difficult to use, both for developers and maintainers. In hopes of making sparse more useful, I've been slowly chipping away at the sparse warnings in `arch/powerpc` over the last year. This talk covers: * my experience doing this - what I've learned about the kernel and sparse * some stats and pretty pictures about the state of sparse warnings * where to from here - how to make sparse a useful part of the kernel dev workflow * tooling to make sparse more useful - assuming I manage to get it written before the talk! Are you interested in kernel development and not sure where or how to start? This talk will cover how fixing sparse warnings can be used as a path into kernel development. markdown
Comment:	production notes

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