Re: [PATCH tip/core/rcu 41/45] torture: Put qemu into the background

[josh]

On Mon, Apr 28, 2014 at 05:25:29PM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
> 
> Currently, qemu runs in the foreground, which prevents the script from
> killing it in case the kernel locks up.  This commit therefore places
> qemu into the background, allowing the script to recover from lockups.
> 
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>

qemu originally did run in the background before this patch series;
please merge this into the patch that introduces the echo and thus
breaks that.

>  tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
> index b1e85b049075..67e89f06e77f 100755
> --- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
> +++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
> @@ -157,7 +157,7 @@ then
>  	echo Build-only run specified, boot/test omitted.
>  	exit 0
>  fi
> -$QEMU $qemu_args -m 512 -kernel $builddir/$BOOT_IMAGE -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval &
> +( $QEMU $qemu_args -m 512 -kernel $builddir/$BOOT_IMAGE -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) &
>  qemu_pid=$!
>  commandcompleted=0
>  echo Monitoring qemu job at pid $qemu_pid
> -- 
> 1.8.1.5
> 
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