From 87d36a7752c8152e8d20273eb881624ef2a1bb40 Mon Sep 17 00:00:00 2001
From: Balazs Gerofi <bgerofi@riken.jp>
Date: Mon, 5 Dec 2016 18:04:40 +0900
Subject: [PATCH] mcreboot-smp-x86: -t to enable turbo boost

---
 arch/x86/kernel/cpu.c                 | 2 +-
 arch/x86/tools/mcreboot-smp-x86.sh.in | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/cpu.c b/arch/x86/kernel/cpu.c
index 5d4f3f52..da4e2e26 100644
--- a/arch/x86/kernel/cpu.c
+++ b/arch/x86/kernel/cpu.c
@@ -148,7 +148,7 @@ extern char page_fault[], general_protection_exception[];
 extern char debug_exception[], int3_exception[];
 
 uint64_t boot_pat_state = 0;
-int no_turbo = 0; /* May be updated by early parsing of kargs */
+int no_turbo = 1; /* May be updated by early parsing of kargs */
 
 extern int num_processors; /* kernel/ap.c */
 struct pvclock_vsyscall_time_info *pvti = NULL;
diff --git a/arch/x86/tools/mcreboot-smp-x86.sh.in b/arch/x86/tools/mcreboot-smp-x86.sh.in
index 818de47b..79c700c7 100644
--- a/arch/x86/tools/mcreboot-smp-x86.sh.in
+++ b/arch/x86/tools/mcreboot-smp-x86.sh.in
@@ -39,7 +39,9 @@ else
 	irqbalance_used="no"
 fi
 
-while getopts :i:k:c:m:o:f: OPT
+turbo=""
+
+while getopts :ti:k:c:m:o:f: OPT
 do
 	case ${OPT} in
 	f)	facility=${OPTARG}
@@ -76,6 +78,8 @@ do
 		;;
 	m) mem=${OPTARG}
 		;;
+	t) turbo="turbo"
+		;;
 	*)  echo "invalid option -${OPT}" >&2
 		exit 1
 	esac
@@ -340,7 +344,7 @@ if ! ${SBINDIR}/ihkosctl 0 load ${KERNDIR}/mckernel.img; then
 fi
 
 # Set kernel arguments
-if ! ${SBINDIR}/ihkosctl 0 kargs "hidos ksyslogd=${LOGMODE}"; then
+if ! ${SBINDIR}/ihkosctl 0 kargs "hidos ksyslogd=${LOGMODE} $turbo"; then
 	echo "error: setting kernel arguments" >&2
 	error_exit "os_created"
 fi