Messages in this thread | | | Date | Mon, 5 Aug 2002 22:48:38 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: [PATCH] kprobes for 2.5.30 |
| |
On Tue, 6 Aug 2002, Rusty Russell wrote: > > I am reading from this that we *should* be explicitly disabling > preemption in interrupt handlers if we rely on the cpu number not > changing underneath us, even if it's (a) currently unneccessary, and > (b) arch-specific code.
But do_irq() already does that.
You mean _exception_ handlers. It's definitely not unnecessary. Exceptions can very much be preempted.
Linus
- 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/
| |