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authorPeter Zijlstra <peterz@infradead.org>2022-06-27 22:21:17 +0000
committerBorislav Petkov <bp@suse.de>2022-06-29 17:43:41 +0200
commitf43b9876e857c739d407bc56df288b0ebe1a9164 (patch)
tree22fcf2716b615556869c460a71ed3fd9b1393bd6 /scripts/Makefile.lib
parentx86/cpu/amd: Enumerate BTC_NO (diff)
downloadlinux-dev-f43b9876e857c739d407bc56df288b0ebe1a9164.tar.xz
linux-dev-f43b9876e857c739d407bc56df288b0ebe1a9164.zip
x86/retbleed: Add fine grained Kconfig knobs
Do fine-grained Kconfig for all the various retbleed parts. NOTE: if your compiler doesn't support return thunks this will silently 'upgrade' your mitigation to IBPB, you might not like this. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'scripts/Makefile.lib')
-rw-r--r--scripts/Makefile.lib1
1 files changed, 1 insertions, 0 deletions
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index d1425778664b..3fb6a99e78c4 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -236,6 +236,7 @@ objtool_args = \
$(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount) \
$(if $(CONFIG_UNWINDER_ORC), --orc) \
$(if $(CONFIG_RETPOLINE), --retpoline) \
+ $(if $(CONFIG_RETHUNK), --rethunk) \
$(if $(CONFIG_SLS), --sls) \
$(if $(CONFIG_STACK_VALIDATION), --stackval) \
$(if $(CONFIG_HAVE_STATIC_CALL_INLINE), --static-call) \