Hi Mathieu, On Feb 19, 2008 4:02 PM, Mathieu Desnoyers <[EMAIL PROTECTED]> wrote: > - stat(c, ALLOC_FASTPATH); seems to be using a var++, therefore > indicating it is not reentrant if IRQs are disabled. Since those are > only stats, I guess it's ok, but still weird.
What is not re-entrant? On Feb 19, 2008 4:02 PM, Mathieu Desnoyers <[EMAIL PROTECTED]> wrote: > Since this shows mostly with network card drivers, I think the most > plausible cause would be an IRQ nesting over kmem_cache_alloc_node and > calling it. Yes, this can happen. Are you saying it is not safe to be in the lockless path when an IRQ triggers? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
