From owner-p4-projects@FreeBSD.ORG Wed Oct 4 17:29:36 2006 Return-Path: X-Original-To: p4-projects@freebsd.org Delivered-To: p4-projects@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 32767) id 4C1FC16A47E; Wed, 4 Oct 2006 17:29:36 +0000 (UTC) X-Original-To: perforce@freebsd.org Delivered-To: perforce@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 18E2B16A415 for ; Wed, 4 Oct 2006 17:29:36 +0000 (UTC) (envelope-from imp@freebsd.org) Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id 979EB43D4C for ; Wed, 4 Oct 2006 17:29:29 +0000 (GMT) (envelope-from imp@freebsd.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.13.6/8.13.6) with ESMTP id k94HTTMx017358 for ; Wed, 4 Oct 2006 17:29:29 GMT (envelope-from imp@freebsd.org) Received: (from perforce@localhost) by repoman.freebsd.org (8.13.6/8.13.4/Submit) id k94HTTbS017355 for perforce@freebsd.org; Wed, 4 Oct 2006 17:29:29 GMT (envelope-from imp@freebsd.org) Date: Wed, 4 Oct 2006 17:29:29 GMT Message-Id: <200610041729.k94HTTbS017355@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: perforce set sender to imp@freebsd.org using -f From: Warner Losh To: Perforce Change Reviews Cc: Subject: PERFORCE change 107253 for review X-BeenThere: p4-projects@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: p4 projects tree changes List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Oct 2006 17:29:36 -0000 http://perforce.freebsd.org/chv.cgi?CH=107253 Change 107253 by imp@imp_lighthouse on 2006/10/04 17:29:27 Use taskqueue_fast rather than taskqueue_swi. The former uses sleep locks, rather than spin locks, which is bad from a FAST ISR. Affected files ... .. //depot/projects/arm/src/sys/arm/at91/at91_tc.c#7 edit Differences ... ==== //depot/projects/arm/src/sys/arm/at91/at91_tc.c#7 (text+ko) ==== @@ -481,7 +481,7 @@ r = RD4(tc, TC_RA) & 0xffff; pps_capture(&tc->pps); tc->pps.capcount = r; - taskqueue_enqueue_fast(taskqueue_swi, &tc->task); + taskqueue_enqueue_fast(taskqueue_fast, &tc->task); } if (status & TC_SR_LDRBS) RD4(tc, TC_RB);