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From 5233d49067a64ecb2c6ab2c91f4345a254f832f2 Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Date: Fri, 22 Jun 2018 18:59:54 +0200
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Subject: [PATCH 15/57] migration: move calling control_save_page to the common
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place
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: <20180622190005.21297-8-dgilbert@redhat.com>
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Patchwork-id: 81000
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O-Subject: [RHEL7.6 qemu-kvm-rhev PATCH 07/18] migration: move calling control_save_page to the common place
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Bugzilla: 1584139
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: Juan Quintela <quintela@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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From: Xiao Guangrong <xiaoguangrong@tencent.com>
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The function is called by both ram_save_page and ram_save_target_page,
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so move it to the common caller to cleanup the code
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Reviewed-by: Peter Xu <peterx@redhat.com>
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Signed-off-by: Xiao Guangrong <xiaoguangrong@tencent.com>
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Message-Id: <20180330075128.26919-8-xiaoguangrong@tencent.com>
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit a8ec91f941c5f83123796331c09333d3557eb5fc)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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migration/ram.c | 16 ++++++++--------
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1 file changed, 8 insertions(+), 8 deletions(-)
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diff --git a/migration/ram.c b/migration/ram.c
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index 106fcf1..9d6c41c 100644
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--- a/migration/ram.c
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+++ b/migration/ram.c
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@@ -1038,10 +1038,6 @@ static int ram_save_page(RAMState *rs, PageSearchStatus *pss, bool last_stage)
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p = block->host + offset;
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trace_ram_save_page(block->idstr, (uint64_t)offset, p);
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- if (control_save_page(rs, block, offset, &pages)) {
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- return pages;
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- }
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-
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XBZRLE_cache_lock();
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pages = save_zero_page(rs, block, offset);
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if (pages > 0) {
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@@ -1199,10 +1195,6 @@ static int ram_save_compressed_page(RAMState *rs, PageSearchStatus *pss,
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p = block->host + offset;
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- if (control_save_page(rs, block, offset, &pages)) {
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- return pages;
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- }
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-
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/* When starting the process of a new block, the first page of
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* the block should be sent out before other pages in the same
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* block, and all the pages in last block should have been sent
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@@ -1490,6 +1482,14 @@ err:
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static int ram_save_target_page(RAMState *rs, PageSearchStatus *pss,
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bool last_stage)
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{
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+ RAMBlock *block = pss->block;
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+ ram_addr_t offset = pss->page << TARGET_PAGE_BITS;
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+ int res;
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+
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+ if (control_save_page(rs, block, offset, &res)) {
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+ return res;
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+ }
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+
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/*
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* If xbzrle is on, stop using the data compression after first
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* round of migration even if compression is enabled. In theory,
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--
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1.8.3.1
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