From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM

---
 kernel/tools/testing/selftests/rcutorture/bin/functions.sh |   55 ++++++++++++++++++++++++++++++++++---------------------
 1 files changed, 34 insertions(+), 21 deletions(-)

diff --git a/kernel/tools/testing/selftests/rcutorture/bin/functions.sh b/kernel/tools/testing/selftests/rcutorture/bin/functions.sh
index 65f6655..51f3464 100644
--- a/kernel/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/kernel/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -1,31 +1,18 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
 #
 # Shell functions for the rest of the scripts.
 #
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, you can access it online at
-# http://www.gnu.org/licenses/gpl-2.0.html.
-#
 # Copyright (C) IBM Corporation, 2013
 #
-# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
 
 # bootparam_hotplug_cpu bootparam-string
 #
 # Returns 1 if the specified boot-parameter string tells rcutorture to
 # test CPU-hotplug operations.
 bootparam_hotplug_cpu () {
-	echo "$1" | grep -q "rcutorture\.onoff_"
+	echo "$1" | grep -q "torture\.onoff_"
 }
 
 # checkarg --argname argtype $# arg mustmatch cannotmatch
@@ -185,7 +172,7 @@
 	local console=ttyS0
 	case "$1" in
 	qemu-system-x86_64|qemu-system-i386)
-		echo noapic selinux=0 initcall_debug debug
+		echo selinux=0 initcall_debug debug
 		;;
 	qemu-system-aarch64)
 		console=ttyAMA0
@@ -204,8 +191,19 @@
 # Output arguments for qemu arguments based on the TORTURE_QEMU_MAC
 # and TORTURE_QEMU_INTERACTIVE environment variables.
 identify_qemu_args () {
+	local KVM_CPU=""
+	case "$1" in
+	qemu-system-x86_64)
+		KVM_CPU=kvm64
+		;;
+	qemu-system-i386)
+		KVM_CPU=kvm32
+		;;
+	esac
 	case "$1" in
 	qemu-system-x86_64|qemu-system-i386)
+		echo -machine q35,accel=kvm
+		echo -cpu ${KVM_CPU}
 		;;
 	qemu-system-aarch64)
 		echo -machine virt,gic-version=host -cpu host
@@ -217,9 +215,6 @@
 		then
 			echo -device spapr-vlan,netdev=net0,mac=$TORTURE_QEMU_MAC
 			echo -netdev bridge,br=br0,id=net0
-		elif test -n "$TORTURE_QEMU_INTERACTIVE"
-		then
-			echo -net nic -net user
 		fi
 		;;
 	esac
@@ -236,7 +231,7 @@
 # Returns the number of virtual CPUs available to the aggregate of the
 # guest OSes.
 identify_qemu_vcpus () {
-	lscpu | grep '^CPU(s):' | sed -e 's/CPU(s)://'
+	lscpu | grep '^CPU(s):' | sed -e 's/CPU(s)://' -e 's/[ 	]*//g'
 }
 
 # print_bug
@@ -277,3 +272,21 @@
 		esac
 	fi
 }
+
+# specify_qemu_net qemu-args
+#
+# Appends a string containing "-net none" to qemu-args, unless the incoming
+# qemu-args already contains "-smp" or unless the TORTURE_QEMU_INTERACTIVE
+# environment variable is set, in which case the string that is be added is
+# instead "-net nic -net user".
+specify_qemu_net () {
+	if echo $1 | grep -q -e -net
+	then
+		echo $1
+	elif test -n "$TORTURE_QEMU_INTERACTIVE"
+	then
+		echo $1 -net nic -net user
+	else
+		echo $1 -net none
+	fi
+}

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