x86/bugs: Report Intel retbleed vulnerability

[mirror_ubuntu-jammy-kernel.git] / Makefile

diff --git a/Makefile b/Makefile
index 3aebbe105fad91a8bd6f5059be9cb459bc4113aa..8090f0c5dacaf45504ca0746f91148e25589c728 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 15
-SUBLEVEL = 23
+SUBLEVEL = 39
 EXTRAVERSION =
 NAME = Trick or Treat
 
@@ -693,11 +693,13 @@ endif
 
 ifdef CONFIG_CC_IS_GCC
 RETPOLINE_CFLAGS       := $(call cc-option,-mindirect-branch=thunk-extern -mindirect-branch-register)
+RETPOLINE_CFLAGS       += $(call cc-option,-mfunction-return=thunk-extern)
 RETPOLINE_VDSO_CFLAGS  := $(call cc-option,-mindirect-branch=thunk-inline -mindirect-branch-register)
 endif
 ifdef CONFIG_CC_IS_CLANG
 RETPOLINE_CFLAGS       := -mretpoline-external-thunk
 RETPOLINE_VDSO_CFLAGS  := -mretpoline
+RETPOLINE_CFLAGS       += $(call cc-option,-mfunction-return=thunk-extern)
 endif
 export RETPOLINE_CFLAGS
 export RETPOLINE_VDSO_CFLAGS