From: Philippe Anel <xigh@bouyapop.org>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] 9vx, kproc and *double sleep*
Date: Sun, 13 Jun 2010 19:23:40 +0200 [thread overview]
Message-ID: <4C15141C.4090502@bouyapop.org> (raw)
In-Reply-To: <4C1508AC.5010400@bouyapop.org>
Hi,
The solution is not that simple. I mean when kprocs go to sleep
through the call to psleep(), a pwakeup() is required. We cannot
simply change the following sched.c:^runproc() part :
while((p = kprocq.head) == nil){
by:
while(((p = kprocq.head) == nil) || p->mach){
The a/proc.c scheduler is different as it goes idle and can be
awakened by an interrupt (or a working kproc in 9vx).
Phil;
>>
>> So is changing 9vx/sched.c to do these two steps the real fix?
>>
>> ron
next prev parent reply other threads:[~2010-06-13 17:23 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-11 14:06 Philippe Anel
2010-06-11 14:40 ` ron minnich
2010-06-11 14:49 ` erik quanstrom
2010-06-11 14:54 ` Philippe Anel
2010-06-11 15:03 ` erik quanstrom
2010-06-11 15:22 ` Philippe Anel
2010-06-11 15:25 ` Philippe Anel
2010-06-11 14:59 ` Philippe Anel
2010-06-11 17:11 ` Bakul Shah
2010-06-11 17:31 ` Philippe Anel
2010-06-11 18:34 ` Bakul Shah
2010-06-11 18:36 ` erik quanstrom
2010-06-11 18:51 ` Philippe Anel
2010-06-12 7:02 ` Philippe Anel
2010-06-12 9:22 ` Philippe Anel
2010-06-12 11:51 ` erik quanstrom
2010-06-13 13:01 ` Richard Miller
2010-06-13 13:43 ` Philippe Anel
2010-06-13 14:26 ` Philippe Anel
2010-06-13 16:20 ` ron minnich
2010-06-13 16:34 ` Philippe Anel
2010-06-13 17:23 ` Philippe Anel [this message]
2010-06-13 18:03 ` Philippe Anel
2010-06-14 19:15 ` Charles Forsyth
2010-06-14 19:36 ` Philippe Anel
2010-06-15 2:57 ` ron minnich
2010-06-15 3:36 ` ron minnich
2010-06-12 20:15 ` Richard Miller
2010-06-12 20:30 ` ron minnich
2010-06-12 22:15 ` Charles Forsyth
2010-06-13 0:04 ` ron minnich
2010-06-13 13:32 ` erik quanstrom
2010-06-13 22:34 ` Charles Forsyth
2010-06-13 9:00 ` Richard Miller
2010-06-11 14:49 ` Philippe Anel
2010-06-11 14:59 ` ron minnich
2010-06-11 15:02 ` ron minnich
2010-06-11 15:04 ` erik quanstrom
2010-06-11 15:43 ` ron minnich
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