On Thu, Oct 17, 2013 at 07:45:29PM +0900, Tetsuo Handa wrote: > Commit 040a0a37 "mutex: Add support for wound/wait style locks" used > "!__builtin_constant_p(p == NULL)" but gcc 3.x cannot handle such expression > correctly, leading to boot failure when built with CONFIG_DEBUG_MUTEXES=y.
So I completely forgot all about this, but wouldn't something like: !(__builtin_constant_p(p) && p == NULL) Not also work and generate the same code? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
