3 files changed, 6 insertions, 10 deletions

diff --git a/tools/perf/util/PERF-VERSION-GEN b/tools/perf/util/PERF-VERSION-GEN
index 26d4d3fd6deb..ad73300f7bac 100755
--- a/tools/perf/util/PERF-VERSION-GEN
+++ b/tools/perf/util/PERF-VERSION-GEN
@@ -23,12 +23,7 @@ if test -d ../../.git -o -f ../../.git &&
 then
         VN=$(echo "$VN" | sed -e 's/-/./g');
 else
-        eval $(grep '^VERSION[[:space:]]*=' ../../Makefile|tr -d ' ')
-        eval $(grep '^PATCHLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ')
-        eval $(grep '^SUBLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ')
-        eval $(grep '^EXTRAVERSION[[:space:]]*=' ../../Makefile|tr -d ' ')
-
-        VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
+        VN=$(MAKEFLAGS= make -sC ../.. kernelversion)
 fi
 
 VN=$(expr "$VN" : v*'\(.*\)')
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 1e88485c16a0..0a7ed5b5e281 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -2187,6 +2187,7 @@ static const struct flag flags[] = {
         { "TASKLET_SOFTIRQ", 6 },
         { "SCHED_SOFTIRQ", 7 },
         { "HRTIMER_SOFTIRQ", 8 },
+        { "RCU_SOFTIRQ", 9 },
 
         { "HRTIMER_NORESTART", 0 },
         { "HRTIMER_RESTART", 1 },
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 1fd29b2daa92..cef28e6632b9 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -788,7 +788,7 @@ sub wait_for_input
 
 sub reboot_to {
     if ($reboot_type eq "grub") {
-        run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch; reboot)'";
+        run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch && reboot)'";
         return;
     }
 
@@ -1480,7 +1480,7 @@ sub process_config_ignore {
         or dodie "Failed to read $config";
 
     while (<IN>) {
-        if (/^(.*?(CONFIG\S*)(=.*| is not set))/) {
+        if (/^((CONFIG\S*)=.*)/) {
             $config_ignore{$2} = $1;
         }
     }
@@ -1638,7 +1638,7 @@ sub run_config_bisect {
         if (!$found) {
             # try the other half
             doprint "Top half produced no set configs, trying bottom half\n";
-            @tophalf = @start_list[$half .. $#start_list];
+            @tophalf = @start_list[$half + 1 .. $#start_list];
             create_config @tophalf;
             read_current_config \%current_config;
             foreach my $config (@tophalf) {
@@ -1690,7 +1690,7 @@ sub run_config_bisect {
         # remove half the configs we are looking at and see if
         # they are good.
         $half = int($#start_list / 2);
-    } while ($half > 0);
+    } while ($#start_list > 0);
 
     # we found a single config, try it again unless we are running manually