From 85f240605d1a46de1fc8609f8e64b994f4716adb Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Tue, 14 Jan 2014 15:07:46 +0100
Subject: [PATCH 35/40] kvm: use directly cpu_physical_memory_* api for tracking dirty pages
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RH-Author: Juan Quintela <quintela@redhat.com>
Message-id: <1389712071-23303-36-git-send-email-quintela@redhat.com>
Patchwork-id: 56690
O-Subject: [RHEL7 qemu-kvm PATCH 35/40] kvm: use directly cpu_physical_memory_* api for tracking dirty pages
Bugzilla: 997559
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Orit Wasserman <owasserm@redhat.com>
RH-Acked-by: Dr. David Alan Gilbert (git) <dgilbert@redhat.com>
Performance is important in this function, and we want to optimize even further.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
(cherry picked from commit 747afd5bcdc90f608c75d95f8a629a9cfc838c57)
Conflicts:
kvm-all.c
Due to upstream commits:
commit dd1750d7981cf9e38985c9dfa474dcdbbe236270
Author: Andreas Färber <afaerber@suse.de>
Date: Wed May 1 13:45:44 2013 +0200
kvm: Change kvm_cpu_synchronize_state() argument to CPUState
Signed-off-by: Juan Quintela <quintela@trasno.org>
---
kvm-all.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
kvm-all.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index 0e21494..8e2bd34 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"
@@ -367,6 +368,7 @@ 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 len = ((section->size / getpagesize()) + HOST_LONG_BITS - 1) / HOST_LONG_BITS;
unsigned long hpratio = getpagesize() / TARGET_PAGE_SIZE;
@@ -383,8 +385,9 @@ 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);
}
}
--
1.7.1