Re: [PATCH 2/3] skip_prolgoue (amd64)

Yao Qi
2013-12-05T01:39:47Z

On 12/05/2013 01:54 AM, Doug Evans wrote:
> The dcache and non-stop are basically incompatible, but we need both.

Agreed.

> With any other thread still running the ground can be pulled out from
> underneath my view of memory from a stopped thread (even when I'm in
> the middle of viewing it - I can imagine a pretty-printer of a complex
> object getting really confused for example).
> It feels like there's diminishing returns and increasing costs the
> farther we go to try to protect the user from this.

That is reasonable. In the long term, we'll switch to "running
all-stop on top of non-stop", users shouldn't get staled results
because they think they are in "all-stop" mode, although all-stop is
"simulated" by non-stop, which is invisible to users.

--
Yao (é½å°§)