1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0+
3#
4# Build a kvm-ready Linux kernel from the tree in the current directory.
5#
6# Usage: kvm-build.sh config-template resdir
7#
8# Copyright (C) IBM Corporation, 2011
9#
10# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
11
12config_template=${1}
13if test -z "$config_template" -o ! -f "$config_template" -o ! -r "$config_template"
14then
15	echo "kvm-build.sh :$config_template: Not a readable file"
16	exit 1
17fi
18resdir=${2}
19
20T=${TMPDIR-/tmp}/test-linux.sh.$$
21trap 'rm -rf $T' 0
22mkdir $T
23
24cp ${config_template} $T/config
25cat << ___EOF___ >> $T/config
26CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD"
27CONFIG_VIRTIO_PCI=y
28CONFIG_VIRTIO_CONSOLE=y
29___EOF___
30
31configinit.sh $T/config $resdir
32retval=$?
33if test $retval -gt 1
34then
35	exit 2
36fi
37ncpus=`cpus2use.sh`
38make -j$ncpus $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
39retval=$?
40if test $retval -ne 0 || grep "rcu[^/]*": < $resdir/Make.out | egrep -q "Stop|Error|error:|warning:" || egrep -q "Stop|Error|error:" < $resdir/Make.out
41then
42	echo Kernel build error
43	egrep "Stop|Error|error:|warning:" < $resdir/Make.out
44	echo Run aborted.
45	exit 3
46fi
47