On Friday 24 September 2010, Al Viro wrote: > There are several interesting issues in arch/*/*/*signal* (besides > shoggoths starting to show up when one reads that code) and I'd been crawling > through that area for the last few weeks. Here are more or less common > issues; there are really arch-specific bugs (e.g. roothole on frv that > used to allow reading kernel memory by setting the right sa_handler), but > that's a separate story. I still plan to make a counterpart to the asm-generic headers with an example architecture that new architectures can copy from. Signal handling is one of the areas that I have very limited understanding of. Did you encounter any architecture that basically gets signal handling right and that can serve as a positive example to others? arch/tile/kernel/signal.c was the last one that got merged and I tried to direct the maintainer in the right direction as much as I could, but there are a lot of things I didn't know about. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
