diff --git a/PKGBUILD b/PKGBUILD
index ebb981a..80f7057 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -26,7 +26,7 @@ validpgpkeys=(
   '8218F88849AAC522E94CF470A5E9288C4FA415FA'  # Jan Alexander Steffens (heftig)
 )
 sha256sums=('SKIP'
-            'ad20d0902dfba6c75cc8bdc7d67b09ec46425396ade60b966892eca7574a0c27'
+            '9f2215bf566909b8bf98e9a39bebfd11bd14342b7933b931b0a67de6049e33ed'
             'ae2e95db94ef7176207c690224169594d49445e04249d2499e9d2fbc117a0b21'
             '75f99f5239e03238f88d1a834c50043ec32b1dc568f2cc291b07d04718483919'
             'ad6344badc91ad0630caacde83f7f9b97276f80d26a20619a87952be65492c65')
diff --git a/config b/config
index ec908f0..52ceeeb 100644
--- a/config
+++ b/config
@@ -371,6 +371,8 @@ CONFIG_PERF_EVENTS_INTEL_UNCORE=m
 CONFIG_PERF_EVENTS_INTEL_RAPL=m
 CONFIG_PERF_EVENTS_INTEL_CSTATE=m
 CONFIG_PERF_EVENTS_AMD_POWER=m
+CONFIG_X86_16BIT=y
+CONFIG_X86_ESPFIX64=y
 CONFIG_X86_VSYSCALL_EMULATION=y
 CONFIG_I8K=m
 CONFIG_MICROCODE=y
@@ -444,7 +446,7 @@ CONFIG_HOTPLUG_CPU=y
 # CONFIG_LEGACY_VSYSCALL_EMULATE is not set
 CONFIG_LEGACY_VSYSCALL_NONE=y
 # CONFIG_CMDLINE_BOOL is not set
-# CONFIG_MODIFY_LDT_SYSCALL is not set
+CONFIG_MODIFY_LDT_SYSCALL=y
 CONFIG_HAVE_LIVEPATCH=y
 # CONFIG_LIVEPATCH is not set
 CONFIG_ARCH_HAS_ADD_PAGES=y