memory: Extract memory_region_msync() from memory_region_writeback()
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20200508062456.23344-3-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/memory.c b/memory.c
index bb84334..93febe4 100644
--- a/memory.c
+++ b/memory.c
@@ -2197,6 +2197,12 @@
qemu_ram_resize(mr->ram_block, newsize, errp);
}
+void memory_region_msync(MemoryRegion *mr, hwaddr addr, hwaddr size)
+{
+ if (mr->ram_block) {
+ qemu_ram_writeback(mr->ram_block, addr, size);
+ }
+}
void memory_region_writeback(MemoryRegion *mr, hwaddr addr, hwaddr size)
{
@@ -2204,8 +2210,8 @@
* Might be extended case needed to cover
* different types of memory regions
*/
- if (mr->ram_block && mr->dirty_log_mask) {
- qemu_ram_writeback(mr->ram_block, addr, size);
+ if (mr->dirty_log_mask) {
+ memory_region_msync(mr, addr, size);
}
}