Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

Work around test-qht-par + gprof issues

Travis CI jobs are failing because of test-qht-par when gprof is
enabled.  Temporarily disable test-qht-par if gprof is enabled,
until we fix the bug.

# gpg: Signature made Fri 11 Jan 2019 18:23:29 GMT
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  tests: Disable qht-bench parallel test when using gprof
  configure: Let the TARGET_GPROF var use the regular 'y' for Yes
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

configure

@@ -7487,7 +7487,8 @@ alpha)
 esac
 
 if test "$gprof" = "yes" ; then
-  echo "TARGET_GPROF=yes" >> $config_target_mak
+  echo "CONFIG_GPROF=y" >> $config_host_mak
+  echo "TARGET_GPROF=y" >> $config_target_mak
   if test "$target_linux_user" = "yes" ; then
     cflags="-p $cflags"
     ldflags="-p $ldflags"

tests/Makefile.include

@@ -88,7 +88,8 @@ check-unit-y += tests/test-rcu-simpleq$(EXESUF)
 check-unit-y += tests/test-rcu-tailq$(EXESUF)
 check-unit-y += tests/test-qdist$(EXESUF)
 check-unit-y += tests/test-qht$(EXESUF)
-check-unit-y += tests/test-qht-par$(EXESUF)
+# FIXME: {test-qht-par + gprof} often break on Travis CI
+check-unit-$(call lnot,$(CONFIG_GPROF)) += tests/test-qht-par$(EXESUF)
 check-unit-y += tests/test-bitops$(EXESUF)
 check-unit-y += tests/test-bitcnt$(EXESUF)
 check-unit-y += tests/test-qdev-global-props$(EXESUF)