> It wouldn't take any additional memory at all. Currently we have 8k > of "debug" stack which is really two 4k pieces, and you're putting the > kernel gs base in the bottom word. I'm suggesting that you duplicate > the kernel gs base at the bottom work and the bottom word + 4k. We > already have a hard limit of 4k of debug stack because of the IST > shift mechanism -- it really is two separate 4k stacks, not one 8k > stack.
Seems like a hack. What happens if we add an uneven number of stacks? Just handling it in the code is simple enough. -Andi -- a...@linux.intel.com -- Speaking for myself only -- 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/
