From 747afd5bcdc90f608c75d95f8a629a9cfc838c57 Mon Sep 17 00:00:00 2001 From: Juan Quintela Date: Mon, 4 Nov 2013 12:59:02 +0100 Subject: 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 Reviewed-by: Orit Wasserman --- kvm-all.c | 7 +++++-- 1 file 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); } } -- cgit v1.2.3