From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:44483) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TlIr8-0004t4-Qw for qemu-devel@nongnu.org; Wed, 19 Dec 2012 07:34:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TlIr7-0004Nj-Bs for qemu-devel@nongnu.org; Wed, 19 Dec 2012 07:34:38 -0500 Received: from mx1.redhat.com ([209.132.183.28]:26838) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TlIr7-0004NM-3o for qemu-devel@nongnu.org; Wed, 19 Dec 2012 07:34:37 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id qBJCYaf9030229 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 19 Dec 2012 07:34:36 -0500 From: Juan Quintela Date: Wed, 19 Dec 2012 13:33:50 +0100 Message-Id: <1355920437-29882-28-git-send-email-quintela@redhat.com> In-Reply-To: <1355920437-29882-1-git-send-email-quintela@redhat.com> References: <1355920437-29882-1-git-send-email-quintela@redhat.com> Subject: [Qemu-devel] [PATCH 27/34] ram: Add last_sent_block List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Orit Wasserman This is the last block from where we have sent data. Signed-off-by: Orit Wasserman Signed-off-by: Juan Quintela --- arch_init.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch_init.c b/arch_init.c index 34a2f4b..af57cdb 100644 --- a/arch_init.c +++ b/arch_init.c @@ -336,6 +336,8 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, /* This is the last block that we have visited serching for dirty pages */ static RAMBlock *last_seen_block; +/* This is the last block from where we have sent data */ +static RAMBlock *last_sent_block; static ram_addr_t last_offset; static unsigned long *migration_bitmap; static uint64_t migration_dirty_pages; @@ -433,7 +435,7 @@ static int ram_save_block(QEMUFile *f, bool last_stage) mr = block->mr; if (migration_bitmap_test_and_reset_dirty(mr, offset)) { uint8_t *p; - int cont = (block == last_seen_block) ? + int cont = (block == last_sent_block) ? RAM_SAVE_FLAG_CONTINUE : 0; p = memory_region_get_ram_ptr(mr) + offset; @@ -462,6 +464,7 @@ static int ram_save_block(QEMUFile *f, bool last_stage) /* if page is unmodified, continue to the next */ if (bytes_sent != 0) { + last_sent_block = block; break; } } @@ -535,6 +538,7 @@ static void ram_migration_cancel(void *opaque) static void reset_ram_globals(void) { last_seen_block = NULL; + last_sent_block = NULL; last_offset = 0; last_version = ram_list.version; } -- 1.7.11.7