Messages in this thread | | | Date | Tue, 7 Mar 2006 21:52:27 -0500 | From | Benjamin LaHaise <> | Subject | Re: [patch] i386 spinlocks: disable interrupts only if we enabled them |
| |
On Wed, Mar 08, 2006 at 01:43:08AM +0100, Ingo Molnar wrote: > we dont inline that code anymore. So i think the optimization is fine.
Why is that? It adds memory traffic that has to be synchronized before the lock occurs and clobbered registers now in the caller.
-ben -- "Time is of no importance, Mr. President, only life is important." Don't Email: <dont@kvack.org>. - 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/
| |