From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56765) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VswY1-0002cG-MK for qemu-devel@nongnu.org; Tue, 17 Dec 2013 10:27:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VswXv-0000wy-Ei for qemu-devel@nongnu.org; Tue, 17 Dec 2013 10:27:01 -0500 Received: from mx1.redhat.com ([209.132.183.28]:2927) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VswXv-0000wj-6Y for qemu-devel@nongnu.org; Tue, 17 Dec 2013 10:26:55 -0500 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id rBHFQs0q022053 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 17 Dec 2013 10:26:54 -0500 From: Juan Quintela Date: Tue, 17 Dec 2013 16:26:08 +0100 Message-Id: <1387293974-24718-33-git-send-email-quintela@redhat.com> In-Reply-To: <1387293974-24718-1-git-send-email-quintela@redhat.com> References: <1387293974-24718-1-git-send-email-quintela@redhat.com> Subject: [Qemu-devel] [PATCH 32/38] kvm: use directly cpu_physical_memory_* api for tracking dirty pages List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Performance is important in this function, and we want to optimize even further. Signed-off-by: Juan Quintela --- kvm-all.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/kvm-all.c b/kvm-all.c index 3937754..308dfba 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -31,6 +31,7 @@ #include "sysemu/kvm.h" #include "qemu/bswap.h" #include "exec/memory.h" +#include "exec/ram_addr.h" #include "exec/address-spaces.h" #include "qemu/event_notifier.h" #include "trace.h" @@ -382,6 +383,7 @@ static int kvm_get_dirty_pages_log_range(MemoryRegionSection *section, unsigned int i, j; unsigned long page_number, c; hwaddr addr, addr1; + ram_addr_t ram_addr; unsigned int pages = int128_get64(section->size) / getpagesize(); unsigned int len = (pages + HOST_LONG_BITS - 1) / HOST_LONG_BITS; unsigned long hpratio = getpagesize() / TARGET_PAGE_SIZE; @@ -399,8 +401,9 @@ static int kvm_get_dirty_pages_log_range(MemoryRegionSection *section, page_number = (i * HOST_LONG_BITS + j) * hpratio; addr1 = page_number * TARGET_PAGE_SIZE; addr = section->offset_within_region + addr1; - memory_region_set_dirty(section->mr, addr, - TARGET_PAGE_SIZE * hpratio); + ram_addr = section->mr->ram_addr + addr; + cpu_physical_memory_set_dirty_range(ram_addr, + TARGET_PAGE_SIZE * hpratio); } while (c != 0); } } -- 1.8.3.1