From c378bddd4b750773a7e8e4987806d08248bc239d Mon Sep 17 00:00:00 2001 From: "Dr. David Alan Gilbert" Date: Wed, 1 Aug 2018 13:55:11 +0100 Subject: [PATCH 07/21] migration: move calling control_save_page to the common place RH-Author: Dr. David Alan Gilbert Message-id: <20180801135522.11658-8-dgilbert@redhat.com> Patchwork-id: 81580 O-Subject: [qemu-kvm RHEL8/virt212 PATCH 07/18] migration: move calling control_save_page to the common place Bugzilla: 1594384 RH-Acked-by: Peter Xu RH-Acked-by: John Snow RH-Acked-by: Juan Quintela From: Xiao Guangrong The function is called by both ram_save_page and ram_save_target_page, so move it to the common caller to cleanup the code Reviewed-by: Peter Xu Signed-off-by: Xiao Guangrong Message-Id: <20180330075128.26919-8-xiaoguangrong@tencent.com> Signed-off-by: Dr. David Alan Gilbert (cherry picked from commit a8ec91f941c5f83123796331c09333d3557eb5fc) Signed-off-by: Danilo C. L. de Paula --- migration/ram.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 106fcf1..9d6c41c 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -1038,10 +1038,6 @@ static int ram_save_page(RAMState *rs, PageSearchStatus *pss, bool last_stage) p = block->host + offset; trace_ram_save_page(block->idstr, (uint64_t)offset, p); - if (control_save_page(rs, block, offset, &pages)) { - return pages; - } - XBZRLE_cache_lock(); pages = save_zero_page(rs, block, offset); if (pages > 0) { @@ -1199,10 +1195,6 @@ static int ram_save_compressed_page(RAMState *rs, PageSearchStatus *pss, p = block->host + offset; - if (control_save_page(rs, block, offset, &pages)) { - return pages; - } - /* When starting the process of a new block, the first page of * the block should be sent out before other pages in the same * block, and all the pages in last block should have been sent @@ -1490,6 +1482,14 @@ err: static int ram_save_target_page(RAMState *rs, PageSearchStatus *pss, bool last_stage) { + RAMBlock *block = pss->block; + ram_addr_t offset = pss->page << TARGET_PAGE_BITS; + int res; + + if (control_save_page(rs, block, offset, &res)) { + return res; + } + /* * If xbzrle is on, stop using the data compression after first * round of migration even if compression is enabled. In theory, -- 1.8.3.1