1 files changed, 17 insertions, 0 deletions

diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug
index d7553f2bda66..51493430f142 100644
--- a/arch/arm64/Kconfig.debug
+++ b/arch/arm64/Kconfig.debug
@@ -24,4 +24,21 @@ config DEBUG_STACK_USAGE
           Enables the display of the minimum amount of free stack which each
           task has ever had available in the sysrq-T output.
 
+config EARLY_PRINTK
+        bool "Early printk support"
+        default y
+        help
+          Say Y here if you want to have an early console using the
+          earlyprintk=<name>[,<addr>][,<options>] kernel parameter. It
+          is assumed that the early console device has been initialised
+          by the boot loader prior to starting the Linux kernel.
+
+config PID_IN_CONTEXTIDR
+        bool "Write the current PID to the CONTEXTIDR register"
+        help
+          Enabling this option causes the kernel to write the current PID to
+          the CONTEXTIDR register, at the expense of some additional
+          instructions during context switch. Say Y here only if you are
+          planning to use hardware trace tools with this kernel.
+
 endmenu