Date: Thu, 1 Jun 2000 22:31:01 -0700 From: Arun Sharma <adsharma@sharmas.dhs.org> To: arch@freebsd.org Subject: Re: Preemptive kernel on older X86 hardware Message-ID: <20000601223101.A17391@sharmas.dhs.org> In-Reply-To: <82645.959243483@localhost>; from Jordan K. Hubbard on Thu, May 25, 2000 at 01:31:23AM -0700 References: <200005250208.TAA78220@apollo.backplane.com> <82645.959243483@localhost>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, May 25, 2000 at 01:31:23AM -0700, Jordan K. Hubbard wrote: > > On intel anyway, subroutine calls are *cheap*, especially compared > > to the overhead of a locked instruction or even an L1 cache miss. > > I don't believe this is true on all the architectures FreeBSD is > anticipated to run on in the "near future", however. And self modifying code also isn't exactly cheap either on that architecture. -Arun To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20000601223101.A17391>