Re: SMP and setrunnable()- scheduler 4bsd

From: Terry Lambert <tlambert2_at_mindspring.com>
Date: Tue, 08 Jul 2003 23:50:35 -0700
John Baldwin wrote:
> This is why HLT is not enabled in SMP by default (or at least was,
> it may be turned on now).  Given that the clock interrupts are
> effectively broadcast to all CPU's one way or another for all
> arch's (that I know of), you will never halt more than the interval
> between clock ticks on any CPU.

I thought that there was either a SPARC or Alpha box where Poul
had to mess with the divider because they were delivered round
robin, instead?

-- Terry
Received on Tue Jul 08 2003 - 21:51:39 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:37:14 UTC