block: Mark bdrv_probe_blocksizes() and callers GRAPH_RDLOCK

[mirror_qemu.git] / LICENSE

diff --git a/LICENSE b/LICENSE
index bfc9a1f4273b360009cc5419f5de8bee090a1adf..f19b018486a61aedb113b79f47d04845249666ae 100644 (file)
--- a/LICENSE
+++ b/LICENSE
@@ -1,12 +1,27 @@
-The following points clarify the QEMU licenses:
+The QEMU distribution includes both the QEMU emulator and
+various firmware files.  These are separate programs that are
+distributed together for our users' convenience, and they have
+separate licenses.
 
-1) The QEMU virtual CPU core library (libqemu.a) and the QEMU PC
-   system emulator are released under the GNU Lesser General Public
-   License.
+The following points clarify the license of the QEMU emulator:
 
-2) The Linux user mode QEMU emulator is released under the GNU General
-   Public License.
+1) The QEMU emulator as a whole is released under the GNU General
+Public License, version 2.
 
-3) QEMU is a trademark of Fabrice Bellard.
+2) Parts of the QEMU emulator have specific licenses which are compatible
+with the GNU General Public License, version 2. Hence each source file
+contains its own licensing information.  Source files with no licensing
+information are released under the GNU General Public License, version
+2 or (at your option) any later version.
 
-Fabrice Bellard.
\ No newline at end of file
+As of July 2013, contributions under version 2 of the GNU General Public
+License (and no later version) are only accepted for the following files
+or directories: bsd-user/, linux-user/, hw/vfio/, hw/xen/xen_pt*.
+
+3) The Tiny Code Generator (TCG) is mostly under the BSD or MIT licenses;
+   but some parts may be GPLv2 or other licenses. Again, see the
+   specific licensing information in each source file.
+
+4) QEMU is a trademark of Fabrice Bellard.
+
+Fabrice Bellard and the QEMU team