Date: Fri, 21 Jan 2000 19:54:00 +0900 From: Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp> To: bright@wintelcom.net Cc: Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp> Subject: Re: Using spinning time efficiently? Message-ID: <14472.15048.86946.72159A@rina.r.dl.itc.u-tokyo.ac.jp> In-Reply-To: In your message of "Fri, 21 Jan 2000 02:01:19 -0800" <20000121020119.O14030@fw.wintelcom.net> References: <14472.10247.374655.13283E@rina.r.dl.itc.u-tokyo.ac.jp> <20000121020119.O14030@fw.wintelcom.net>
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On Fri, 21 Jan 2000 02:01:19 -0800, Alfred Perlstein <bright@wintelcom.net> said: >> I once thought something might be wrong, and then found >> (ALT)SYSCALL_LOCK spinning to wait for the lock to be released. Now I >> am wondering if we can contribute spinning time to anything else, say >> running another process, before the lock gets released. Is is possible >> to do so? Alfred> The scheduler needs to be made thread safe before that can happen, Alfred> it looks easy at first until you realize that it starts calling Alfred> other complex parts of the system. Alfred> This is on several people's TODO list. :) Then, what I actually need would be some kind of detailed books of OS. I have not learned OS quite systematically, so it would be a good opportunity for me to do so. Anyway, the first task of mine seems to understand the fundamental technology and issues. ...except that book shops are likely to close soon :( -- Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp> <tanimura@FreeBSD.org> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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