--- /nix/store/279cnwx0jz2j46141srjlwl9in4kfbm9-linux-config-riscv64-unknown-linux-gnu-6.6.36-xuantie
+++ /nix/store/yp5qydyrl86li5bmx25l6vaykn6yfj64-linux-config-riscv64-unknown-linux-gnu-6.6.36-xuantie
@@ -331,6 +331,7 @@
 CONFIG_ERRATA_THEAD_PBMT=y
 CONFIG_ERRATA_THEAD_CMO=y
 CONFIG_ERRATA_THEAD_PMU=y
+CONFIG_ERRATA_THEAD_VECTOR=y
 # end of CPU errata selection
 
 #
@@ -355,6 +356,9 @@
 CONFIG_RISCV_ISA_C=y
 CONFIG_RISCV_ISA_SVNAPOT=y
 CONFIG_RISCV_ISA_SVPBMT=y
+CONFIG_TOOLCHAIN_HAS_V=y
+CONFIG_RISCV_ISA_V=y
+CONFIG_RISCV_ISA_V_DEFAULT_ENABLE=y
 CONFIG_TOOLCHAIN_HAS_ZAWRS=y
 CONFIG_RISCV_ISA_ZAWRS=y
 CONFIG_TOOLCHAIN_HAS_ZBB=y
@@ -589,6 +593,7 @@
 CONFIG_ARCH_WANT_LD_ORPHAN_WARN=y
 CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
 CONFIG_ARCH_SUPPORTS_PAGE_TABLE_CHECK=y
+CONFIG_DYNAMIC_SIGFRAME=y
 
 #
 # GCOV-based kernel profiling