Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[mirror_ubuntu-bionic-kernel.git] / arch / x86 / Kconfig.debug

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index a15893d17c55988b542ad362f8c0074958130587..d8c0d3266173d96f84ac543885ba0bd63c0c3e47 100644 (file)
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -297,6 +297,18 @@ config OPTIMIZE_INLINING
 
          If unsure, say N.
 
+config DEBUG_ENTRY
+       bool "Debug low-level entry code"
+       depends on DEBUG_KERNEL
+       ---help---
+         This option enables sanity checks in x86's low-level entry code.
+         Some of these sanity checks may slow down kernel entries and
+         exits or otherwise impact performance.
+
+         This is currently used to help test NMI code.
+
+         If unsure, say N.
+
 config DEBUG_NMI_SELFTEST
        bool "NMI Selftest"
        depends on DEBUG_KERNEL && X86_LOCAL_APIC