[xen master] Update Xen version to 4.18-rc

[patchbot@xxxxxxx]

commit a8ab67cae01eca7bba8627ce13429c59fda056f3
Author:     Julien Grall <jgrall@xxxxxxxxxx>
AuthorDate: Fri Sep 29 09:09:29 2023 +0100
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Fri Sep 29 09:09:29 2023 +0100

    Update Xen version to 4.18-rc
    
    Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
    Release-acked-by: Henry Wang <Henry.Wang@xxxxxxx>
---
 README       | 12 ++++++------
 SUPPORT.md   |  2 +-
 xen/Makefile |  2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/README b/README
index a491c8dce5..855db01d36 100644
--- a/README
+++ b/README
@@ -1,11 +1,11 @@
-###############################################
+#################################################
 __  __            _  _    _  ___
-\ \/ /___ _ __   | || |  / |( _ )
- \  // _ \ '_ \  | || |_ | |/ _ \
- /  \  __/ | | | |__   _|| | (_) |
-/_/\_\___|_| |_|    |_|(_)_|\___/
+\ \/ /___ _ __   | || |  / |( _ )       _ __ ___
+ \  // _ \ '_ \  | || |_ | |/ _ \ _____| '__/ __|
+ /  \  __/ | | | |__   _|| | (_) |_____| | | (__
+/_/\_\___|_| |_|    |_|(_)_|\___/      |_|  \___|
 
-###############################################
+#################################################
 
 https://www.xen.org/
 
diff --git a/SUPPORT.md b/SUPPORT.md
index 3461f5cf2f..44dbd4f190 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -9,7 +9,7 @@ for the definitions of the support status levels etc.
 
 # Release Support
 
-    Xen-Version: 4.18-unstable
+    Xen-Version: 4.18-rc
     Initial-Release: n/a
     Supported-Until: TBD
     Security-Support-Until: Unreleased - not yet security-supported
diff --git a/xen/Makefile b/xen/Makefile
index 2dc5e3526d..fd0e63d29e 100644
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -6,7 +6,7 @@ this-makefile := $(call lastword,$(MAKEFILE_LIST))
 # All other places this is stored (eg. compile.h) should be autogenerated.
 export XEN_VERSION       = 4
 export XEN_SUBVERSION    = 18
-export XEN_EXTRAVERSION ?= -unstable$(XEN_VENDORVERSION)
+export XEN_EXTRAVERSION ?= -rc$(XEN_VENDORVERSION)
 export XEN_FULLVERSION   = $(XEN_VERSION).$(XEN_SUBVERSION)$(XEN_EXTRAVERSION)
 -include xen-version
 
--
generated by git-patchbot for /home/xen/git/xen.git#master