Subject: Re: Please Revert newlock2
To: Bucky Katz <firstname.lastname@example.org>
From: Jason Thorpe <email@example.com>
Date: 02/20/2007 15:07:34
On Feb 20, 2007, at 2:54 PM, Bucky Katz wrote:
> The only ways you can address the performance problems with context
> switching on ARM are to either a) reduce the number of context
> switches you do on ARM or b) move to ARM11.
I worked on low-level ARM stuff as part of my Day Job for a few years,
and I'm not quite seeing where this comment is coming from when
thinking in the context of SWITCHING TO ANOTHER LWP WITHIN THE SAME
PROCESS (meaning that the address space is not changing, thus meaning
that there is no need to flush the cache or or the TLB).