From owner-freebsd-hackers Sun Jul 1 5:55:46 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from segfault.kiev.ua (segfault.kiev.ua [193.193.193.4]) by hub.freebsd.org (Postfix) with ESMTP id 6B96937B405; Sun, 1 Jul 2001 05:55:37 -0700 (PDT) (envelope-from netch@iv.nn.kiev.ua) Received: (from uucp@localhost) by segfault.kiev.ua (8) with UUCP id PVH33005; Sun, 1 Jul 2001 15:55:21 +0300 (EEST) (envelope-from netch@iv.nn.kiev.ua) Received: (from netch@localhost) by iv.nn.kiev.ua (8.11.4/8.11.4) id f61Cqun01162; Sun, 1 Jul 2001 15:52:56 +0300 (EEST) (envelope-from netch) Date: Sun, 1 Jul 2001 15:52:56 +0300 From: Valentin Nechayev To: "E.B. Dreger" Cc: Bernd Walter , freebsd-smp@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: libc_r locking... why? Message-ID: <20010701155256.C376@iv.nn.kiev.ua> References: <20010629211818.A17309@cicely20.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ; from eddy+public+spam@noc.everquick.net on Fri, Jun 29, 2001 at 07:56:40PM +0000 X-42: On Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Fri, Jun 29, 2001 at 19:56:40, eddy+public+spam (E.B. Dreger) wrote about "Re: libc_r locking... why?": > > A Token may not be enough because writes may be reordered. AFAIK it's false for i386 architecture. Please correct me if needed. > Here is where I want to learn more about cache coherency, inter-processor > interrupts, and APIC programming. I'd imagine that the latter two are > lower-level than I'd be using, but I still want to know the "how and why" > beneath the scenes. Did you try to read MP chipsets white papers? /netch To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message