From: Dr. David Alan Gilbert <dgilbert@redhat.com>
Date: Tue, 7 Mar 2017 18:36:36 +0000 (+0000)
Subject: RAMBlocks: qemu_ram_is_shared
X-Git-Tag: v2.9.0-rc1~17^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=463a4ac23bcf0f0b65c850fa66f5ae6e43edd243;p=thirdparty%2Fqemu.git

RAMBlocks: qemu_ram_is_shared

Provide a helper to say whether a RAMBlock was created as a
shared mapping.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---

diff --git a/exec.c b/exec.c
index a22f5a03858..e57a8a21789 100644
--- a/exec.c
+++ b/exec.c
@@ -1561,6 +1561,11 @@ const char *qemu_ram_get_idstr(RAMBlock *rb)
     return rb->idstr;
 }
 
+bool qemu_ram_is_shared(RAMBlock *rb)
+{
+    return rb->flags & RAM_SHARED;
+}
+
 /* Called with iothread lock held.  */
 void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState *dev)
 {
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index b62f0d82e49..4d45a72ea99 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -69,6 +69,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool round_offset,
 void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev);
 void qemu_ram_unset_idstr(RAMBlock *block);
 const char *qemu_ram_get_idstr(RAMBlock *rb);
+bool qemu_ram_is_shared(RAMBlock *rb);
 size_t qemu_ram_pagesize(RAMBlock *block);
 size_t qemu_ram_pagesize_largest(void);