tools/testing/selftests/rcutorture/bin/kvm-build.sh

   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
  12 if test -f "$TORTURE_STOPFILE"
  13 then
  14         echo "kvm-build.sh early exit due to run STOP request"
  15         exit 1
  16 fi
  17
  18 config_template=${1}
  19 if test -z "$config_template" -o ! -f "$config_template" -o ! -r "$config_template"
  20 then
  21         echo "kvm-build.sh :$config_template: Not a readable file"
  22         exit 1
  23 fi
  24 resdir=${2}
  25
  26 T=${TMPDIR-/tmp}/test-linux.sh.$$
  27 trap 'rm -rf $T' 0
  28 mkdir $T
  29
  30 cp ${config_template} $T/config
  31 cat << ___EOF___ >> $T/config
  32 CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD"
  33 CONFIG_VIRTIO_PCI=y
  34 CONFIG_VIRTIO_CONSOLE=y
  35 ___EOF___
  36
  37 configinit.sh $T/config $resdir
  38 retval=$?
  39 if test $retval -gt 1
  40 then
  41         exit 2
  42 fi
  43 ncpus=`cpus2use.sh`
  44 make -j$ncpus $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
  45 retval=$?
  46 if test $retval -ne 0 || grep "rcu[^/]*": < $resdir/Make.out | egrep -q "Stop|Error|error:|warning:" || egrep -q "Stop|Error|error:" < $resdir/Make.out
  47 then
  48         echo Kernel build error
  49         egrep "Stop|Error|error:|warning:" < $resdir/Make.out
  50         echo Run aborted.
  51         exit 3
  52 fi