"Zhang, Yanmin" <[EMAIL PROTECTED]> writes: > replace them; > 2) Delete lock. The change to the protected data has no nested cases. > In addition, the result is for performance data collection, so it’s > unnecessary to add such lock.
Not sure that's a good idea. People expect their performance counts to be accurate too. You could possibly use atomics though, but when there are multiple counters updated the spinlock will be likely faster. -Andi - 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/
