From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52089) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX6MR-0000hF-3o for qemu-devel@nongnu.org; Wed, 12 Dec 2018 10:23:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gX6MO-00007Y-I8 for qemu-devel@nongnu.org; Wed, 12 Dec 2018 10:23:42 -0500 Received: from mail-wm1-x32d.google.com ([2a00:1450:4864:20::32d]:55386) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gX6MK-0008OL-Op for qemu-devel@nongnu.org; Wed, 12 Dec 2018 10:23:38 -0500 Received: by mail-wm1-x32d.google.com with SMTP id y139so6132306wmc.5 for ; Wed, 12 Dec 2018 07:23:29 -0800 (PST) Received: from 640k.lan ([93.56.166.5]) by smtp.gmail.com with ESMTPSA id u10sm15878859wrr.33.2018.12.12.07.23.27 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Dec 2018 07:23:27 -0800 (PST) Sender: Paolo Bonzini From: Paolo Bonzini Date: Wed, 12 Dec 2018 16:22:29 +0100 Message-Id: <1544628195-37728-9-git-send-email-pbonzini@redhat.com> In-Reply-To: <1544628195-37728-1-git-send-email-pbonzini@redhat.com> References: <1544628195-37728-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 08/54] memory: extract flat_range_coalesced_io_{del, add} List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org 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 d14c6de..119b6e4 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); -- 1.8.3.1