Re: [patch]block: fix ioc locking warning

From: Tejun Heo
Date: Mon Feb 06 2012 - 19:39:50 EST


On Tue, Feb 07, 2012 at 08:31:22AM +0800, Shaohua Li wrote:
> Since you are talking about performance, one of our microbenchmark (swap)
> shows a regression. Alex bisect it to be b2efa05265d62bc2, which is related to
> the ioc change. A little strange to me, don't expect such change can cause
> performance issue. I haven't double check the issue, but if you have
> ideas, please let me know.

Hmmm... I think the only thing which can be made slower by that patch
is ioc release (ie. task exits). What does the microbench do?


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at