From owner-freebsd-hackers Tue Jul 24 16: 3: 9 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from InterJet.elischer.org (c421509-a.pinol1.sfba.home.com [24.7.86.9]) by hub.freebsd.org (Postfix) with ESMTP id 9189C37B403; Tue, 24 Jul 2001 16:03:03 -0700 (PDT) (envelope-from julian@elischer.org) Received: from InterJet.elischer.org (InterJet.elischer.org [192.168.1.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id MAA20781; Tue, 24 Jul 2001 12:29:29 -0700 (PDT) Date: Tue, 24 Jul 2001 12:29:28 -0700 (PDT) From: Julian Elischer To: Mike Smith Cc: Zhihui Zhang , Weiguang SHI , freebsd-hackers@freebsd.org Subject: Re: using syscalls in a module (stack problem ?) In-Reply-To: <200107232045.f6NKjX201758@mass.dis.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII 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 Now that interrupts are threads we probably don't need 2 pages any more as each interrupt should get it's own u-area and stack to use. Previously you had to take into account the worst-case nested interrupt. On Mon, 23 Jul 2001, Mike Smith wrote: > > > > Make sense. But there are other things in the UPAGES. > > Yes; in reality you have about 7k. > > It's plenty of space for a deep call stack, just not for large locals. > > -- > ... every activity meets with opposition, everyone who acts has his > rivals and unfortunately opponents also. But not because people want > to be opponents, rather because the tasks and relationships force > people to take different points of view. [Dr. Fritz Todt] > V I C T O R Y N O T V E N G E A N C E > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message