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