1 #!/bin/bash 1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0+ 2 # SPDX-License-Identifier: GPL-2.0+
3 # 3 #
4 # Build a kvm-ready Linux kernel from the tree 4 # Build a kvm-ready Linux kernel from the tree in the current directory.
5 # 5 #
6 # Usage: kvm-build.sh config-template resdir 6 # Usage: kvm-build.sh config-template resdir
7 # 7 #
8 # Copyright (C) IBM Corporation, 2011 8 # Copyright (C) IBM Corporation, 2011
9 # 9 #
10 # Authors: Paul E. McKenney <paulmck@linux.ibm. 10 # Authors: Paul E. McKenney <paulmck@linux.ibm.com>
11 11
12 if test -f "$TORTURE_STOPFILE" 12 if test -f "$TORTURE_STOPFILE"
13 then 13 then
14 echo "kvm-build.sh early exit due to r 14 echo "kvm-build.sh early exit due to run STOP request"
15 exit 1 15 exit 1
16 fi 16 fi
17 17
18 config_template=${1} 18 config_template=${1}
19 if test -z "$config_template" -o ! -f "$config 19 if test -z "$config_template" -o ! -f "$config_template" -o ! -r "$config_template"
20 then 20 then
21 echo "kvm-build.sh :$config_template: 21 echo "kvm-build.sh :$config_template: Not a readable file"
22 exit 1 22 exit 1
23 fi 23 fi
24 resdir=${2} 24 resdir=${2}
25 25
26 T="`mktemp -d ${TMPDIR-/tmp}/kvm-build.sh.XXXX 26 T="`mktemp -d ${TMPDIR-/tmp}/kvm-build.sh.XXXXXX`"
27 trap 'rm -rf $T' 0 27 trap 'rm -rf $T' 0
28 28
29 cp ${config_template} $T/config 29 cp ${config_template} $T/config
30 cat << ___EOF___ >> $T/config 30 cat << ___EOF___ >> $T/config
31 CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD" 31 CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD"
32 CONFIG_VIRTIO_PCI=y 32 CONFIG_VIRTIO_PCI=y
33 CONFIG_VIRTIO_CONSOLE=y 33 CONFIG_VIRTIO_CONSOLE=y
34 ___EOF___ 34 ___EOF___
35 35
36 configinit.sh $T/config $resdir 36 configinit.sh $T/config $resdir
37 retval=$? 37 retval=$?
38 if test $retval -gt 1 38 if test $retval -gt 1
39 then 39 then
40 exit 2 40 exit 2
41 fi 41 fi
42 42
43 # Tell "make" to use double the number of real 43 # Tell "make" to use double the number of real CPUs on the build system.
44 ncpus="`getconf _NPROCESSORS_ONLN`" 44 ncpus="`getconf _NPROCESSORS_ONLN`"
45 make -j$((2 * ncpus)) $TORTURE_KMAKE_ARG > $re 45 make -j$((2 * ncpus)) $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
46 retval=$? 46 retval=$?
47 if test $retval -ne 0 || grep "rcu[^/]*": < $r 47 if test $retval -ne 0 || grep "rcu[^/]*": < $resdir/Make.out | grep -E -q "Stop|Error|error:|warning:" || grep -E -q "Stop|Error|error:" < $resdir/Make.out
48 then 48 then
49 echo Kernel build error 49 echo Kernel build error
50 grep -E "Stop|Error|error:|warning:" < 50 grep -E "Stop|Error|error:|warning:" < $resdir/Make.out
51 echo Run aborted. 51 echo Run aborted.
52 exit 3 52 exit 3
53 fi 53 fi
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