Messages in this thread | | | Date | Fri, 21 Sep 2007 14:02:21 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH] Add CRC checksum for RCU lists |
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On Thu, 20 Sep 2007 14:34:11 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:
> +static inline void rcu_crc_check(struct rcu_head *head) > +{ > + static int once; > + if (unlikely(head->crc != rcu_crc_calc(head)) && !once) { > + once++; > + printk("BUG: RCU check failed!"); > + if (head->caller) > + printk(" (caller=%p)", > + head->caller);
char sym[KSYM_SYMBOL_LEN]; sprint_symbol(sym, head->caller); printk(" (caller: [<%p>] %s)", head->caller, sym);
> + printk("\n"); > + printk(" CRC was %08lx, expected %08lx\n", > + head->crc, rcu_crc_calc(head)); > + printk(" %p %p\n", > + head->next, head->func); > + dump_stack(); > + } > +} - 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/
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