Messages in this thread | | | Date | Tue, 30 Dec 2003 13:47:03 +1100 | From | Rusty Russell <> | Subject | Re: Add support for checking before-the-fact whether an IRQ is |
| |
On Mon, 29 Dec 2003 11:43:29 -0800 (PST) Linus Torvalds <torvalds@osdl.org> wrote: > > question; which lock prevents someone else claiming the irq and making > > it unsharable/unclaimable between can_request_irq() and the eventual > > request_irq() ???? > > Nothing. It never did. This is basically a heuristic: "find the irq that > looks the least used".
I just worry about other people using it. I'd prefer "irq_looks_free()", but since it's x86-specific it's not a big issue.
Rusty. -- there are those who do and those who hang on and you don't see too many doers quoting their contemporaries. -- Larry McVoy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |