From owner-svn-src-head@freebsd.org Wed Nov 8 23:25:35 2017 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0E4BBE5E75B; Wed, 8 Nov 2017 23:25:35 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 958956BE2A; Wed, 8 Nov 2017 23:25:34 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id vA8NPSlg096973 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 9 Nov 2017 01:25:28 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua vA8NPSlg096973 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id vA8NPStN096971; Thu, 9 Nov 2017 01:25:28 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 9 Nov 2017 01:25:28 +0200 From: Konstantin Belousov To: Emmanuel Vadot Cc: Jeff Roberson , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r325530 - in head/sys: amd64/amd64 arm64/arm64 fs/tmpfs kern mips/mips powerpc/aim powerpc/powerpc sparc64/sparc64 vm x86/iommu Message-ID: <20171108232528.GX2566@kib.kiev.ua> References: <201711080239.vA82dbJ6009161@repo.freebsd.org> <20171108234115.421969741ee75d5bb3d905e5@bidouilliste.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171108234115.421969741ee75d5bb3d905e5@bidouilliste.com> User-Agent: Mutt/1.9.1 (2017-09-22) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Nov 2017 23:25:35 -0000 On Wed, Nov 08, 2017 at 11:41:15PM +0100, Emmanuel Vadot wrote: > > Hello Jeff, > > On Wed, 8 Nov 2017 02:39:37 +0000 (UTC) > Jeff Roberson wrote: > > > Author: jeff > > Date: Wed Nov 8 02:39:37 2017 > > New Revision: 325530 > > URL: https://svnweb.freebsd.org/changeset/base/325530 > > > > Log: > > Replace manyinstances of VM_WAIT with blocking page allocation flags > > similar to the kernel memory allocator. > > > > This simplifies NUMA allocation because the domain will be known at wait > > time and races between failure and sleeping are eliminated. This also > > reduces boilerplate code and simplifies callers. > > > > A wait primitive is supplied for uma zones for similar reasons. This > > eliminates some non-specific VM_WAIT calls in favor of more explicit > > sleeps that may be satisfied without new pages. > > > > Reviewed by: alc, kib, markj > > Tested by: pho > > Sponsored by: Netflix, Dell/EMC Isilon > > > > This break armv7 (atleast) kernel : > > KDB: debugger backends: > ddb KDB: current backend: > ddb Copyright (c) 1992-2017 The FreeBSD > Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, > 1993, 1994 The Regents of the University of California. All rights > reserved. FreeBSD is a registered trademark of The FreeBSD > Foundation. FreeBSD 12.0-CURRENT #51 3c355d849c9(HEAD): Wed Nov 8 > 23:24:16 CET 2017 > elbarto@knuckles.blih.net:/usr/home/elbarto/Work/freebsd/obj/usr/home/elbarto/Work/freebsd/freebsd.git/arm.armv7/sys/GENERIC > arm FreeBSD clang version 5.0.0 (tags/RELEASE_500/final 312559) (based > on LLVM 5.0.0svn) WARNING: WITNESS option enabled, expect reduced > performance. panic: inconsistent object(0)/req(8) cpuid = > 0 time = Should be fixed by r325566.