From patchwork Mon Dec 17 23:16:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 10734503 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1CE366C5 for ; Mon, 17 Dec 2018 23:32:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0C7222A45D for ; Mon, 17 Dec 2018 23:32:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F20852A48B; Mon, 17 Dec 2018 23:32:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9A17C2A45D for ; Mon, 17 Dec 2018 23:32:08 +0000 (UTC) Received: from localhost ([::1]:50525 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZ2Mp-0003j3-Of for patchwork-qemu-devel@patchwork.kernel.org; Mon, 17 Dec 2018 18:32:07 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43118) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZ28h-0000Ng-6X for qemu-devel@nongnu.org; Mon, 17 Dec 2018 18:17:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gZ28Z-0003I0-Qb for qemu-devel@nongnu.org; Mon, 17 Dec 2018 18:17:29 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44628) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gZ28Z-0003HR-9R for qemu-devel@nongnu.org; Mon, 17 Dec 2018 18:17:23 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9F1B8C058CA2 for ; Mon, 17 Dec 2018 23:17:22 +0000 (UTC) Received: from donizetti.redhat.com (unknown [10.36.112.10]) by smtp.corp.redhat.com (Postfix) with ESMTP id C43CC5D9C8 for ; Mon, 17 Dec 2018 23:17:21 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Tue, 18 Dec 2018 00:16:33 +0100 Message-Id: <20181217231700.24482-9-pbonzini@redhat.com> In-Reply-To: <20181217231700.24482-1-pbonzini@redhat.com> References: <20181217231700.24482-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Mon, 17 Dec 2018 23:17:22 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 08/35] memory: extract flat_range_coalesced_io_{del, add} X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Extract two new functions from memory_region_update_coalesced_range_as. To avoid duplication in the creation of the MemoryRegionSection, use MEMORY_LISTENER_UPDATE_REGION instead of MEMORY_LISTENER_CALL to invoke the listener callback. Signed-off-by: Paolo Bonzini --- memory.c | 53 +++++++++++++++++++++++++++++------------------------ 1 file changed, 29 insertions(+), 24 deletions(-) diff --git a/memory.c b/memory.c index d14c6dec1d..119b6e46d5 100644 --- a/memory.c +++ b/memory.c @@ -850,6 +850,33 @@ static void address_space_update_ioeventfds(AddressSpace *as) flatview_unref(view); } +static void flat_range_coalesced_io_del(FlatRange *fr, AddressSpace *as) +{ + MEMORY_LISTENER_UPDATE_REGION(fr, as, Reverse, coalesced_io_del, + int128_get64(fr->addr.start), + int128_get64(fr->addr.size)); +} + +static void flat_range_coalesced_io_add(FlatRange *fr, AddressSpace *as) +{ + MemoryRegion *mr = fr->mr; + CoalescedMemoryRange *cmr; + AddrRange tmp; + + QTAILQ_FOREACH(cmr, &mr->coalesced, link) { + tmp = addrrange_shift(cmr->addr, + int128_sub(fr->addr.start, + int128_make64(fr->offset_in_region))); + if (!addrrange_intersects(tmp, fr->addr)) { + continue; + } + tmp = addrrange_intersection(tmp, fr->addr); + MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, coalesced_io_add, + int128_get64(tmp.start), + int128_get64(tmp.size)); + } +} + static void address_space_update_topology_pass(AddressSpace *as, const FlatView *old_view, const FlatView *new_view, @@ -2136,34 +2163,12 @@ static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpa { FlatView *view; FlatRange *fr; - CoalescedMemoryRange *cmr; - AddrRange tmp; - MemoryRegionSection section; view = address_space_get_flatview(as); FOR_EACH_FLAT_RANGE(fr, view) { if (fr->mr == mr) { - section = (MemoryRegionSection) { - .fv = view, - .offset_within_address_space = int128_get64(fr->addr.start), - .size = fr->addr.size, - }; - - MEMORY_LISTENER_CALL(as, coalesced_io_del, Reverse, §ion, - int128_get64(fr->addr.start), - int128_get64(fr->addr.size)); - QTAILQ_FOREACH(cmr, &mr->coalesced, link) { - tmp = addrrange_shift(cmr->addr, - int128_sub(fr->addr.start, - int128_make64(fr->offset_in_region))); - if (!addrrange_intersects(tmp, fr->addr)) { - continue; - } - tmp = addrrange_intersection(tmp, fr->addr); - MEMORY_LISTENER_CALL(as, coalesced_io_add, Forward, §ion, - int128_get64(tmp.start), - int128_get64(tmp.size)); - } + flat_range_coalesced_io_del(fr, as); + flat_range_coalesced_io_add(fr, as); } } flatview_unref(view);