| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0+ |
| # |
| # Build a kvm-ready Linux kernel from the tree in the current directory. |
| # |
| # Usage: kvm-build.sh config-template resdir |
| # |
| # Copyright (C) IBM Corporation, 2011 |
| # |
| # Authors: Paul E. McKenney <paulmck@linux.ibm.com> |
| |
| if test -f "$TORTURE_STOPFILE" |
| then |
| echo "kvm-build.sh early exit due to run STOP request" |
| exit 1 |
| fi |
| |
| config_template=${1} |
| if test -z "$config_template" -o ! -f "$config_template" -o ! -r "$config_template" |
| then |
| echo "kvm-build.sh :$config_template: Not a readable file" |
| exit 1 |
| fi |
| resdir=${2} |
| |
| T=${TMPDIR-/tmp}/test-linux.sh.$$ |
| trap 'rm -rf $T' 0 |
| mkdir $T |
| |
| cp ${config_template} $T/config |
| cat << ___EOF___ >> $T/config |
| CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD" |
| CONFIG_VIRTIO_PCI=y |
| CONFIG_VIRTIO_CONSOLE=y |
| ___EOF___ |
| |
| configinit.sh $T/config $resdir |
| retval=$? |
| if test $retval -gt 1 |
| then |
| exit 2 |
| fi |
| |
| # Tell "make" to use double the number of real CPUs on the build system. |
| ncpus="`getconf _NPROCESSORS_ONLN`" |
| make -j$((2 * ncpus)) $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1 |
| retval=$? |
| if test $retval -ne 0 || grep "rcu[^/]*": < $resdir/Make.out | egrep -q "Stop|Error|error:|warning:" || egrep -q "Stop|Error|error:" < $resdir/Make.out |
| then |
| echo Kernel build error |
| egrep "Stop|Error|error:|warning:" < $resdir/Make.out |
| echo Run aborted. |
| exit 3 |
| fi |
