Messages in this thread | | | Subject | Re: [PATCH] syscall latency improvement #1 | From | Andi Kleen <> | Date | 26 Jan 2002 02:24:16 +0100 |
| |
Linus Torvalds <torvalds@transmeta.com> writes:
> Looking at the code, I suspect that 99.9% of this "improvement" comes from > one thing, and one thing only: you removed the "cli" in the system call > return path.
It doesn't explain the Athlon speedups. On athlon cli is ~4 cycles.
-Andi - 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/
| |