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authorJuan Quintela <quintela@redhat.com>2013-11-04 12:59:02 +0100
committerJuan Quintela <quintela@redhat.com>2014-01-13 14:04:55 +0100
commit747afd5bcdc90f608c75d95f8a629a9cfc838c57 (patch)
tree5793d2a1a3456981a6eb4b98f28296ada768862c
parent12291ec18fdce3c1973c172f5a942a1bd26b9a5f (diff)
downloadqemu-arm-747afd5bcdc90f608c75d95f8a629a9cfc838c57.tar.gz
kvm: use directly cpu_physical_memory_* api for tracking dirty pages
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>
-rw-r--r--kvm-all.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kvm-all.c b/kvm-all.c
index 393775459d..308dfba4a6 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);
}
}