--- a/kernel_gcc_patch-20200527/enable_additional_cpu_optimizations_for_gcc_v10.1+_kernel_v5.5-v5.6.patch
+++ b/kernel_gcc_patch-20200527/enable_additional_cpu_optimizations_for_gcc_v10.1+_kernel_v5.5-v5.6.patch
@@ -492,7 +492,7 @@
 +        cflags-$(CONFIG_MBOBCAT) += $(call cc-option,-march=btver1)
 +        cflags-$(CONFIG_MJAGUAR) += $(call cc-option,-march=btver2)
 +        cflags-$(CONFIG_MBULLDOZER) += $(call cc-option,-march=bdver1)
-+        cflags-$(CONFIG_MPILEDRIVER) += $(call cc-option,-march=bdver2)
++        cflags-$(CONFIG_MPILEDRIVER) += $(call cc-option,-march=bdver2) $(call cc-option,-mno-tbm)
 +        cflags-$(CONFIG_MSTEAMROLLER) += $(call cc-option,-march=bdver3)
 +        cflags-$(CONFIG_MEXCAVATOR) += $(call cc-option,-march=bdver4)
 +        cflags-$(CONFIG_MZEN) += $(call cc-option,-march=znver1)