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="`mktemp -d ${TMPDIR-/tmp}/kvm-build.sh.XXXXXX`"
  27 trap 'rm -rf $T' 0
  28
  29 cp ${config_template} $T/config
  30 cat << ___EOF___ >> $T/config
  31 CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD"
  32 CONFIG_VIRTIO_PCI=y
  33 CONFIG_VIRTIO_CONSOLE=y
  34 ___EOF___
  35
  36 configinit.sh $T/config $resdir
  37 retval=$?
  38 if test $retval -gt 1
  39 then
  40         exit 2
  41 fi
  42
  43 # Tell "make" to use double the number of real CPUs on the build system.
  44 ncpus="`getconf _NPROCESSORS_ONLN`"
  45 make -j$((2 * ncpus)) $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
  46 retval=$?
  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
  49         echo Kernel build error
  50         grep -E "Stop|Error|error:|warning:" < $resdir/Make.out
  51         echo Run aborted.
  52         exit 3
  53 fi