aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/lib/expoline.S
diff options
context:
space:
mode:
authorVasily Gorbik <[email protected]>2022-06-27 14:50:53 +0200
committerAlexander Gordeev <[email protected]>2022-07-13 15:21:55 +0200
commitc4e789572557aa147b13bf7fe09cc99663ed0cf5 (patch)
tree49da32666321502636d714842b4df4d9674b5d54 /arch/s390/lib/expoline.S
parentd7d488f41b41a1b7a1df3c74f2f65eb4585f5d55 (diff)
s390/nospec: build expoline.o for modules_prepare target
When CONFIG_EXPOLINE_EXTERN is used expoline thunks are generated from arch/s390/lib/expoline.S and postlinked into every module. This is also true for external modules. Add expoline.o build to the modules_prepare target. Fixes: 1d2ad084800e ("s390/nospec: add an option to use thunk-extern") Reported-by: Joe Lawrence <[email protected]> Tested-by: Sumanth Korikkar <[email protected]> Acked-by: Sumanth Korikkar <[email protected]> Tested-by: C. Erastus Toe <[email protected]> Tested-by: Joe Lawrence <[email protected]> Link: https://lore.kernel.org/r/patch-1.thread-d13b6c.git-a2387a74dc49.your-ad-here.call-01656331067-ext-4899@work.hours Signed-off-by: Vasily Gorbik <[email protected]> Signed-off-by: Alexander Gordeev <[email protected]>
Diffstat (limited to 'arch/s390/lib/expoline.S')
-rw-r--r--arch/s390/lib/expoline.S12
1 files changed, 0 insertions, 12 deletions
diff --git a/arch/s390/lib/expoline.S b/arch/s390/lib/expoline.S
deleted file mode 100644
index 92ed8409a7a4..000000000000
--- a/arch/s390/lib/expoline.S
+++ /dev/null
@@ -1,12 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-
-#include <asm/nospec-insn.h>
-#include <linux/linkage.h>
-
-.macro GEN_ALL_BR_THUNK_EXTERN
- .irp r1,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
- GEN_BR_THUNK_EXTERN %r\r1
- .endr
-.endm
-
-GEN_ALL_BR_THUNK_EXTERN