tech-kern: unfairness in sa

Subject: unfairness in sa_switch
To: None <tech-kern@netbsd.org>
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
List: tech-kern
Date: 06/09/2005 21:44:46

hi,

if no one objects,
i'll remove the cpu hand-off in Case 2 in sa_switch.
as the XXXUPSXXX comment says, it cause severe unfairness in some cases.
eg. when a process have many lwps doing poll.

YAMAMOTO Takashi