Merge branch 'devel-stable' into for-next

14 files changed, 103 insertions, 24 deletions

diff --git a/tools/perf/bench/mem-memcpy.c b/tools/perf/bench/mem-memcpy.c
index 6c14afe8c1b1..db1d3a29d97f 100644
--- a/tools/perf/bench/mem-memcpy.c
+++ b/tools/perf/bench/mem-memcpy.c
@@ -289,7 +289,7 @@ static u64 do_memcpy_cycle(const struct routine *r, size_t len, bool prefault)
 	memcpy_t fn = r->fn.memcpy;
 	int i;
 
-	memcpy_alloc_mem(&src, &dst, len);
+	memcpy_alloc_mem(&dst, &src, len);
 
 	if (prefault)
 		fn(dst, src, len);
@@ -312,7 +312,7 @@ static double do_memcpy_gettimeofday(const struct routine *r, size_t len,
 	void *src = NULL, *dst = NULL;
 	int i;
 
-	memcpy_alloc_mem(&src, &dst, len);
+	memcpy_alloc_mem(&dst, &src, len);
 
 	if (prefault)
 		fn(dst, src, len);
diff --git a/tools/perf/config/Makefile.arch b/tools/perf/config/Makefile.arch
index ff95a68741d1..ac8721ffa6c8 100644
--- a/tools/perf/config/Makefile.arch
+++ b/tools/perf/config/Makefile.arch
@@ -21,6 +21,10 @@ ifeq ($(RAW_ARCH),x86_64)
   endif
 endif
 
+ifeq ($(RAW_ARCH),sparc64)
+  ARCH ?= sparc
+endif
+
 ARCH ?= $(RAW_ARCH)
 
 LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1)
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index 42ac05aaf8ac..b32ff3372514 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -49,7 +49,7 @@ test-hello.bin:
 	$(BUILD)
 
 test-pthread-attr-setaffinity-np.bin:
-	$(BUILD) -Werror -lpthread
+	$(BUILD) -D_GNU_SOURCE -Werror -lpthread
 
 test-stackprotector-all.bin:
 	$(BUILD) -Werror -fstack-protector-all
diff --git a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
index 0a0d3ecb4e8a..2b81b72eca23 100644
--- a/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
+++ b/tools/perf/config/feature-checks/test-pthread-attr-setaffinity-np.c
@@ -5,10 +5,11 @@ int main(void)
 {
 	int ret = 0;
 	pthread_attr_t thread_attr;
+	cpu_set_t cs;
 
 	pthread_attr_init(&thread_attr);
 	/* don't care abt exact args, just the API itself in libpthread */
-	ret = pthread_attr_setaffinity_np(&thread_attr, 0, NULL);
+	ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cs), &cs);
 
 	return ret;
 }
diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c
index 47b78b3f0325..6da965bdbc2c 100644
--- a/tools/perf/util/cloexec.c
+++ b/tools/perf/util/cloexec.c
@@ -25,6 +25,10 @@ static int perf_flag_probe(void)
 	if (cpu < 0)
 		cpu = 0;
 
+	/*
+	 * Using -1 for the pid is a workaround to avoid gratuitous jump label
+	 * changes.
+	 */
 	while (1) {
 		/* check cloexec flag */
 		fd = sys_perf_event_open(&attr, pid, cpu, -1,
@@ -47,16 +51,24 @@ static int perf_flag_probe(void)
 		  err, strerror_r(err, sbuf, sizeof(sbuf)));
 
 	/* not supported, confirm error related to PERF_FLAG_FD_CLOEXEC */
-	fd = sys_perf_event_open(&attr, pid, cpu, -1, 0);
+	while (1) {
+		fd = sys_perf_event_open(&attr, pid, cpu, -1, 0);
+		if (fd < 0 && pid == -1 && errno == EACCES) {
+			pid = 0;
+			continue;
+		}
+		break;
+	}
 	err = errno;
 
+	if (fd >= 0)
+		close(fd);
+
 	if (WARN_ONCE(fd < 0 && err != EBUSY,
 		      "perf_event_open(..., 0) failed unexpectedly with error %d (%s)\n",
 		      err, strerror_r(err, sbuf, sizeof(sbuf))))
 		return -1;
 
-	close(fd);
-
 	return 0;
 }
 
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index c94a9e03ecf1..e99a67632831 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -28,7 +28,7 @@ struct perf_mmap {
 	int		 mask;
 	int		 refcnt;
 	unsigned int	 prev;
-	char		 event_copy[PERF_SAMPLE_MAX_SIZE];
+	char		 event_copy[PERF_SAMPLE_MAX_SIZE] __attribute__((aligned(8)));
 };
 
 struct perf_evlist {
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index b24f9d8727a8..33b7a2aef713 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -11,6 +11,11 @@
 #include <symbol/kallsyms.h>
 #include "debug.h"
 
+#ifndef EM_AARCH64
+#define EM_AARCH64	183  /* ARM 64 bit */
+#endif
+
+
 #ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
 extern char *cplus_demangle(const char *, int);
 
diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index 3ed7c0476d48..2e2ba2efa0d9 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -209,7 +209,7 @@ $(OUTPUT)%.o: %.c
 
 $(OUTPUT)cpupower: $(UTIL_OBJS) $(OUTPUT)libcpupower.so.$(LIB_MAJ)
 	$(ECHO) "  CC      " $@
-	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -Wl,-rpath=./ -lrt -lpci -L$(OUTPUT) -o $@
+	$(QUIET) $(CC) $(CFLAGS) $(LDFLAGS) $(UTIL_OBJS) -lcpupower -lrt -lpci -L$(OUTPUT) -o $@
 	$(QUIET) $(STRIPCMD) $@
 
 $(OUTPUT)po/$(PACKAGE).pot: $(UTIL_SRC)
diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c
index e238c9559caf..8d5d1d2ee7c1 100644
--- a/tools/testing/selftests/exec/execveat.c
+++ b/tools/testing/selftests/exec/execveat.c
@@ -30,7 +30,7 @@ static int execveat_(int fd, const char *path, char **argv, char **envp,
 #ifdef __NR_execveat
 	return syscall(__NR_execveat, fd, path, argv, envp, flags);
 #else
-	errno = -ENOSYS;
+	errno = ENOSYS;
 	return -1;
 #endif
 }
@@ -234,6 +234,14 @@ static int run_tests(void)
 	int fd_cloexec = open_or_die("execveat", O_RDONLY|O_CLOEXEC);
 	int fd_script_cloexec = open_or_die("script", O_RDONLY|O_CLOEXEC);
 
+	/* Check if we have execveat at all, and bail early if not */
+	errno = 0;
+	execveat_(-1, NULL, NULL, NULL, 0);
+	if (errno == ENOSYS) {
+		printf("[FAIL] ENOSYS calling execveat - no kernel support?\n");
+		return 1;
+	}
+
 	/* Change file position to confirm it doesn't affect anything */
 	lseek(fd, 10, SEEK_SET);
 
diff --git a/tools/thermal/tmon/.gitignore b/tools/thermal/tmon/.gitignore
new file mode 100644
index 000000000000..06e96be65276
--- /dev/null
+++ b/tools/thermal/tmon/.gitignore
@@ -0,0 +1 @@
+/tmon
diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index e775adcbd29f..0788621c8d76 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -2,8 +2,8 @@ VERSION = 1.0
 
 BINDIR=usr/bin
 WARNFLAGS=-Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int
-CFLAGS= -O1 ${WARNFLAGS} -fstack-protector
-CC=gcc
+CFLAGS+= -O1 ${WARNFLAGS} -fstack-protector
+CC=$(CROSS_COMPILE)gcc
 
 CFLAGS+=-D VERSION=\"$(VERSION)\"
 LDFLAGS+=
@@ -16,12 +16,21 @@ INSTALL_CONFIGFILE=install -m 644 -p
 CONFIG_FILE=
 CONFIG_PATH=
 
+# Static builds might require -ltinfo, for instance
+ifneq ($(findstring -static, $(LDFLAGS)),)
+STATIC := --static
+endif
+
+TMON_LIBS=-lm -lpthread
+TMON_LIBS += $(shell pkg-config --libs $(STATIC) panelw ncursesw 2> /dev/null || \
+		     pkg-config --libs $(STATIC) panel ncurses 2> /dev/null || \
+		     echo -lpanel -lncurses)
 
 OBJS = tmon.o tui.o sysfs.o pid.o
 OBJS +=
 
 tmon: $(OBJS) Makefile tmon.h
-	$(CC) ${CFLAGS} $(LDFLAGS) $(OBJS)  -o $(TARGET) -lm -lpanel -lncursesw -ltinfo -lpthread
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS)  -o $(TARGET) $(TMON_LIBS)
 
 valgrind: tmon
 	 sudo valgrind -v --track-origins=yes --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes ./$(TARGET)  1> /dev/null
diff --git a/tools/thermal/tmon/tmon.8 b/tools/thermal/tmon/tmon.8
index 0be727cb9892..02d5179803aa 100644
--- a/tools/thermal/tmon/tmon.8
+++ b/tools/thermal/tmon/tmon.8
@@ -55,6 +55,8 @@ The \fB-l --log\fP option write data to /var/tmp/tmon.log
 .PP
 The \fB-t --time-interval\fP option sets the polling interval in seconds
 .PP
+The \fB-T --target-temp\fP option sets the initial target temperature
+.PP
 The \fB-v --version\fP option shows the version of \fBtmon \fP
 .PP
 The \fB-z --zone\fP option sets the target therma zone instance to be controlled
diff --git a/tools/thermal/tmon/tmon.c b/tools/thermal/tmon/tmon.c
index 09b7c3218334..9aa19652e8e8 100644
--- a/tools/thermal/tmon/tmon.c
+++ b/tools/thermal/tmon/tmon.c
@@ -64,6 +64,7 @@ void usage()
 	printf("  -h, --help            show this help message\n");
 	printf("  -l, --log             log data to /var/tmp/tmon.log\n");
 	printf("  -t, --time-interval   sampling time interval, > 1 sec.\n");
+	printf("  -T, --target-temp     initial target temperature\n");
 	printf("  -v, --version         show version\n");
 	printf("  -z, --zone            target thermal zone id\n");
 
@@ -219,6 +220,7 @@ static struct option opts[] = {
 	{ "control", 1, NULL, 'c' },
 	{ "daemon", 0, NULL, 'd' },
 	{ "time-interval", 1, NULL, 't' },
+	{ "target-temp", 1, NULL, 'T' },
 	{ "log", 0, NULL, 'l' },
 	{ "help", 0, NULL, 'h' },
 	{ "version", 0, NULL, 'v' },
@@ -231,7 +233,7 @@ int main(int argc, char **argv)
 {
 	int err = 0;
 	int id2 = 0, c;
-	double yk = 0.0; /* controller output */
+	double yk = 0.0, temp; /* controller output */
 	int target_tz_index;
 
 	if (geteuid() != 0) {
@@ -239,7 +241,7 @@ int main(int argc, char **argv)
 		exit(EXIT_FAILURE);
 	}
 
-	while ((c = getopt_long(argc, argv, "c:dlht:vgz:", opts, &id2)) != -1) {
+	while ((c = getopt_long(argc, argv, "c:dlht:T:vgz:", opts, &id2)) != -1) {
 		switch (c) {
 		case 'c':
 			no_control = 0;
@@ -254,6 +256,14 @@ int main(int argc, char **argv)
 			if (ticktime < 1)
 				ticktime = 1;
 			break;
+		case 'T':
+			temp = strtod(optarg, NULL);
+			if (temp < 0) {
+				fprintf(stderr, "error: temperature must be positive\n");
+				return 1;
+			}
+			target_temp_user = temp;
+			break;
 		case 'l':
 			printf("Logging data to /var/tmp/tmon.log\n");
 			logging = 1;
diff --git a/tools/thermal/tmon/tui.c b/tools/thermal/tmon/tui.c
index 89f8ef0e15c8..b5d1c6b22dd3 100644
--- a/tools/thermal/tmon/tui.c
+++ b/tools/thermal/tmon/tui.c
@@ -30,6 +30,18 @@
 
 #include "tmon.h"
 
+#define min(x, y) ({				\
+	typeof(x) _min1 = (x);			\
+	typeof(y) _min2 = (y);			\
+	(void) (&_min1 == &_min2);		\
+	_min1 < _min2 ? _min1 : _min2; })
+
+#define max(x, y) ({				\
+	typeof(x) _max1 = (x);			\
+	typeof(y) _max2 = (y);			\
+	(void) (&_max1 == &_max2);		\
+	_max1 > _max2 ? _max1 : _max2; })
+
 static PANEL *data_panel;
 static PANEL *dialogue_panel;
 static PANEL *top;
@@ -98,6 +110,18 @@ void write_status_bar(int x, char *line)
 	wrefresh(status_bar_window);
 }
 
+/* wrap at 5 */
+#define DIAG_DEV_ROWS  5
+/*
+ * list cooling devices + "set temp" entry; wraps after 5 rows, if they fit
+ */
+static int diag_dev_rows(void)
+{
+	int entries = ptdata.nr_cooling_dev + 1;
+	int rows = max(DIAG_DEV_ROWS, (entries + 1) / 2);
+	return min(rows, entries);
+}
+
 void setup_windows(void)
 {
 	int y_begin = 1;
@@ -122,7 +146,7 @@ void setup_windows(void)
 	 * dialogue window is a pop-up, when needed it lays on top of cdev win
 	 */
 
-	dialogue_window = subwin(stdscr, ptdata.nr_cooling_dev+5, maxx-50,
+	dialogue_window = subwin(stdscr, diag_dev_rows() + 5, maxx-50,
 				DIAG_Y, DIAG_X);
 
 	thermal_data_window = subwin(stdscr, ptdata.nr_tz_sensor *
@@ -258,21 +282,26 @@ void show_cooling_device(void)
 }
 
 const char DIAG_TITLE[] = "[ TUNABLES ]";
-#define DIAG_DEV_ROWS  5
 void show_dialogue(void)
 {
 	int j, x = 0, y = 0;
+	int rows, cols;
 	WINDOW *w = dialogue_window;
 
 	if (tui_disabled || !w)
 		return;
 
+	getmaxyx(w, rows, cols);
+
+	/* Silence compiler 'unused' warnings */
+	(void)cols;
+
 	werase(w);
 	box(w, 0, 0);
 	mvwprintw(w, 0, maxx/4, DIAG_TITLE);
 	/* list all the available tunables */
 	for (j = 0; j <= ptdata.nr_cooling_dev; j++) {
-		y = j % DIAG_DEV_ROWS;
+		y = j % diag_dev_rows();
 		if (y == 0 && j != 0)
 			x += 20;
 		if (j == ptdata.nr_cooling_dev)
@@ -283,12 +312,10 @@ void show_dialogue(void)
 				ptdata.cdi[j].type, ptdata.cdi[j].instance);
 	}
 	wattron(w, A_BOLD);
-	mvwprintw(w, DIAG_DEV_ROWS+1, 1, "Enter Choice [A-Z]?");
+	mvwprintw(w, diag_dev_rows()+1, 1, "Enter Choice [A-Z]?");
 	wattroff(w, A_BOLD);
-	/* y size of dialogue win is nr cdev + 5, so print legend
-	 * at the bottom line
-	 */
-	mvwprintw(w, ptdata.nr_cooling_dev+3, 1,
+	/* print legend at the bottom line */
+	mvwprintw(w, rows - 2, 1,
 		"Legend: A=Active, P=Passive, C=Critical");
 
 	wrefresh(dialogue_window);
@@ -437,7 +464,7 @@ static void handle_input_choice(int ch)
 			snprintf(buf, sizeof(buf), "New Value for %.10s-%2d: ",
 				ptdata.cdi[cdev_id].type,
 				ptdata.cdi[cdev_id].instance);
-		write_dialogue_win(buf, DIAG_DEV_ROWS+2, 2);
+		write_dialogue_win(buf, diag_dev_rows() + 2, 2);
 		handle_input_val(cdev_id);
 	} else {
 		snprintf(buf, sizeof(buf), "Invalid selection %d", ch);