Merge branch 'next' into for-linus

Prepare first round of input updates for 4.1 merge window.

22 files changed, 677 insertions, 48 deletions

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index b9cd036f0442..d08e214ec6e7 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -178,6 +178,7 @@ my $checkout;
 my $localversion;
 my $iteration = 0;
 my $successes = 0;
+my $stty_orig;
 
 my $bisect_good;
 my $bisect_bad;
@@ -197,6 +198,11 @@ my $patchcheck_start;
 my $patchcheck_cherry;
 my $patchcheck_end;
 
+my $build_time;
+my $install_time;
+my $reboot_time;
+my $test_time;
+
 # set when a test is something other that just building or install
 # which would require more options.
 my $buildonly = 1;
@@ -554,6 +560,66 @@ sub get_mandatory_config {
     }
 }
 
+sub show_time {
+    my ($time) = @_;
+
+    my $hours = 0;
+    my $minutes = 0;
+
+    if ($time > 3600) {
+	$hours = int($time / 3600);
+	$time -= $hours * 3600;
+    }
+    if ($time > 60) {
+	$minutes = int($time / 60);
+	$time -= $minutes * 60;
+    }
+
+    if ($hours > 0) {
+	doprint "$hours hour";
+	doprint "s" if ($hours > 1);
+	doprint " ";
+    }
+
+    if ($minutes > 0) {
+	doprint "$minutes minute";
+	doprint "s" if ($minutes > 1);
+	doprint " ";
+    }
+
+    doprint "$time second";
+    doprint "s" if ($time != 1);
+}
+
+sub print_times {
+    doprint "\n";
+    if ($build_time) {
+	doprint "Build time:   ";
+	show_time($build_time);
+	doprint "\n";
+    }
+    if ($install_time) {
+	doprint "Install time: ";
+	show_time($install_time);
+	doprint "\n";
+    }
+    if ($reboot_time) {
+	doprint "Reboot time:  ";
+	show_time($reboot_time);
+	doprint "\n";
+    }
+    if ($test_time) {
+	doprint "Test time:    ";
+	show_time($test_time);
+	doprint "\n";
+    }
+    # reset for iterations like bisect
+    $build_time = 0;
+    $install_time = 0;
+    $reboot_time = 0;
+    $test_time = 0;
+}
+
 sub get_mandatory_configs {
     get_mandatory_config("MACHINE");
     get_mandatory_config("BUILD_DIR");
@@ -1341,23 +1407,83 @@ sub dodie {
 	print " See $opt{LOG_FILE} for more info.\n";
     }
 
+    if ($monitor_cnt) {
+	    # restore terminal settings
+	    system("stty $stty_orig");
+    }
+
     die @_, "\n";
 }
 
+sub create_pty {
+    my ($ptm, $pts) = @_;
+    my $tmp;
+    my $TIOCSPTLCK = 0x40045431;
+    my $TIOCGPTN = 0x80045430;
+
+    sysopen($ptm, "/dev/ptmx", O_RDWR | O_NONBLOCK) or
+	dodie "Cant open /dev/ptmx";
+
+    # unlockpt()
+    $tmp = pack("i", 0);
+    ioctl($ptm, $TIOCSPTLCK, $tmp) or
+	dodie "ioctl TIOCSPTLCK for /dev/ptmx failed";
+
+    # ptsname()
+    ioctl($ptm, $TIOCGPTN, $tmp) or
+	dodie "ioctl TIOCGPTN for /dev/ptmx failed";
+    $tmp = unpack("i", $tmp);
+
+    sysopen($pts, "/dev/pts/$tmp", O_RDWR | O_NONBLOCK) or
+	dodie "Can't open /dev/pts/$tmp";
+}
+
+sub exec_console {
+    my ($ptm, $pts) = @_;
+
+    close($ptm);
+
+    close(\*STDIN);
+    close(\*STDOUT);
+    close(\*STDERR);
+
+    open(\*STDIN, '<&', $pts);
+    open(\*STDOUT, '>&', $pts);
+    open(\*STDERR, '>&', $pts);
+
+    close($pts);
+
+    exec $console or
+	die "Can't open console $console";
+}
+
 sub open_console {
-    my ($fp) = @_;
+    my ($ptm) = @_;
+    my $pts = \*PTSFD;
+    my $pid;
 
-    my $flags;
+    # save terminal settings
+    $stty_orig = `stty -g`;
 
-    my $pid = open($fp, "$console|") or
-	dodie "Can't open console $console";
+    # place terminal in cbreak mode so that stdin can be read one character at
+    # a time without having to wait for a newline
+    system("stty -icanon -echo -icrnl");
 
-    $flags = fcntl($fp, F_GETFL, 0) or
-	dodie "Can't get flags for the socket: $!";
-    $flags = fcntl($fp, F_SETFL, $flags | O_NONBLOCK) or
-	dodie "Can't set flags for the socket: $!";
+    create_pty($ptm, $pts);
+
+    $pid = fork;
+
+    if (!$pid) {
+	# child
+	exec_console($ptm, $pts)
+    }
+
+    # parent
+    close($pts);
 
     return $pid;
+
+    open(PTSFD, "Stop perl from warning about single use of PTSFD");
 }
 
 sub close_console {
@@ -1368,6 +1494,9 @@ sub close_console {
 
     print "closing!\n";
     close($fp);
+
+    # restore terminal settings
+    system("stty $stty_orig");
 }
 
 sub start_monitor {
@@ -1519,6 +1648,8 @@ sub fail {
 	    $name = " ($test_name)";
 	}
 
+	print_times;
+
 	doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
 	doprint "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
 	doprint "KTEST RESULT: TEST $i$name Failed: ", @_, "\n";
@@ -1534,10 +1665,14 @@ sub fail {
 
 sub run_command {
     my ($command, $redirect) = @_;
+    my $start_time;
+    my $end_time;
     my $dolog = 0;
     my $dord = 0;
     my $pid;
 
+    $start_time = time;
+
     $command =~ s/\$SSH_USER/$ssh_user/g;
     $command =~ s/\$MACHINE/$machine/g;
 
@@ -1570,6 +1705,15 @@ sub run_command {
     close(LOG) if ($dolog);
     close(RD)  if ($dord);
 
+    $end_time = time;
+    my $delta = $end_time - $start_time;
+
+    if ($delta == 1) {
+	doprint "[1 second] ";
+    } else {
+	doprint "[$delta seconds] ";
+    }
+
     if ($failed) {
 	doprint "FAILED!\n";
     } else {
@@ -1694,7 +1838,9 @@ sub wait_for_input
 {
     my ($fp, $time) = @_;
     my $rin;
-    my $ready;
+    my $rout;
+    my $nr;
+    my $buf;
     my $line;
     my $ch;
 
@@ -1704,21 +1850,36 @@ sub wait_for_input
 
     $rin = '';
     vec($rin, fileno($fp), 1) = 1;
-    ($ready, $time) = select($rin, undef, undef, $time);
+    vec($rin, fileno(\*STDIN), 1) = 1;
 
-    $line = "";
+    while (1) {
+	$nr = select($rout=$rin, undef, undef, $time);
 
-    # try to read one char at a time
-    while (sysread $fp, $ch, 1) {
-	$line .= $ch;
-	last if ($ch eq "\n");
-    }
+	if ($nr <= 0) {
+	    return undef;
+	}
 
-    if (!length($line)) {
-	return undef;
-    }
+	# copy data from stdin to the console
+	if (vec($rout, fileno(\*STDIN), 1) == 1) {
+	    sysread(\*STDIN, $buf, 1000);
+	    syswrite($fp, $buf, 1000);
+	    next;
+	}
 
-    return $line;
+	$line = "";
+
+	# try to read one char at a time
+	while (sysread $fp, $ch, 1) {
+	    $line .= $ch;
+	    last if ($ch eq "\n");
+	}
+
+	if (!length($line)) {
+	    return undef;
+	}
+
+	return $line;
+    }
 }
 
 sub reboot_to {
@@ -1766,6 +1927,8 @@ sub monitor {
     my $skip_call_trace = 0;
     my $loops;
 
+    my $start_time = time;
+
     wait_for_monitor 5;
 
     my $line;
@@ -1890,6 +2053,9 @@ sub monitor {
 	}
     }
 
+    my $end_time = time;
+    $reboot_time = $end_time - $start_time;
+
     close(DMESG);
 
     if ($bug) {
@@ -1938,6 +2104,8 @@ sub install {
 
     return if ($no_install);
 
+    my $start_time = time;
+
     if (defined($pre_install)) {
 	my $cp_pre_install = eval_kernel_version $pre_install;
 	run_command "$cp_pre_install" or
@@ -1969,6 +2137,8 @@ sub install {
     if (!$install_mods) {
 	do_post_install;
 	doprint "No modules needed\n";
+	my $end_time = time;
+	$install_time = $end_time - $start_time;
 	return;
     }
 
@@ -1996,6 +2166,9 @@ sub install {
     run_ssh "rm -f /tmp/$modtar";
 
     do_post_install;
+
+    my $end_time = time;
+    $install_time = $end_time - $start_time;
 }
 
 sub get_version {
@@ -2008,7 +2181,7 @@ sub get_version {
     $have_version = 1;
 }
 
-sub start_monitor_and_boot {
+sub start_monitor_and_install {
     # Make sure the stable kernel has finished booting
 
     # Install bisects, don't need console
@@ -2208,6 +2381,8 @@ sub build {
 
     unlink $buildlog;
 
+    my $start_time = time;
+
     # Failed builds should not reboot the target
     my $save_no_reboot = $no_reboot;
     $no_reboot = 1;
@@ -2293,6 +2468,9 @@ sub build {
 
     $no_reboot = $save_no_reboot;
 
+    my $end_time = time;
+    $build_time = $end_time - $start_time;
+
     return 1;
 }
 
@@ -2323,6 +2501,8 @@ sub success {
 	$name = " ($test_name)";
     }
 
+    print_times;
+
     doprint "\n\n*******************************************\n";
     doprint     "*******************************************\n";
     doprint     "KTEST RESULT: TEST $i$name SUCCESS!!!!         **\n";
@@ -2383,6 +2563,8 @@ sub do_run_test {
     my $bug = 0;
     my $bug_ignored = 0;
 
+    my $start_time = time;
+
     wait_for_monitor 1;
 
     doprint "run test $run_test\n";
@@ -2449,6 +2631,9 @@ sub do_run_test {
     waitpid $child_pid, 0;
     $child_exit = $?;
 
+    my $end_time = time;
+    $test_time = $end_time - $start_time;
+
     if (!$bug && $in_bisect) {
 	if (defined($bisect_ret_good)) {
 	    if ($child_exit == $bisect_ret_good) {
@@ -2549,7 +2734,7 @@ sub run_bisect_test {
 	dodie "Failed on build" if $failed;
 
 	# Now boot the box
-	start_monitor_and_boot or $failed = 1;
+	start_monitor_and_install or $failed = 1;
 
 	if ($type ne "boot") {
 	    if ($failed && $bisect_skip) {
@@ -2755,6 +2940,7 @@ sub bisect {
     do {
 	$result = run_bisect $type;
 	$test = run_git_bisect "git bisect $result";
+	print_times;
     } while ($test);
 
     run_command "git bisect log" or
@@ -3168,6 +3354,7 @@ sub config_bisect {
 
     do {
 	$ret = run_config_bisect \%good_configs, \%bad_configs;
+	print_times;
     } while (!$ret);
 
     return $ret if ($ret < 0);
@@ -3260,7 +3447,7 @@ sub patchcheck {
 	my $sha1 = $item;
 	$sha1 =~ s/^([[:xdigit:]]+).*/$1/;
 
-	doprint "\nProcessing commit $item\n\n";
+	doprint "\nProcessing commit \"$item\"\n\n";
 
 	run_command "git checkout $sha1" or
 	    die "Failed to checkout $sha1";
@@ -3291,16 +3478,18 @@ sub patchcheck {
 
 	my $failed = 0;
 
-	start_monitor_and_boot or $failed = 1;
+	start_monitor_and_install or $failed = 1;
 
 	if (!$failed && $type ne "boot"){
 	    do_run_test or $failed = 1;
 	}
 	end_monitor;
-	return 0 if ($failed);
-
+	if ($failed) {
+	    print_times;
+	    return 0;
+	}
 	patchcheck_reboot;
-
+	print_times;
     }
     $in_patchcheck = 0;
     success $i;
@@ -3753,7 +3942,7 @@ sub make_min_config {
 	my $failed = 0;
 	build "oldconfig" or $failed = 1;
 	if (!$failed) {
-		start_monitor_and_boot or $failed = 1;
+		start_monitor_and_install or $failed = 1;
 
 		if ($type eq "test" && !$failed) {
 		    do_run_test or $failed = 1;
@@ -4000,6 +4189,11 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
 
     $iteration = $i;
 
+    $build_time = 0;
+    $install_time = 0;
+    $reboot_time = 0;
+    $test_time = 0;
+
     undef %force_config;
 
     my $makecmd = set_test_option("MAKE_CMD", $i);
@@ -4157,15 +4351,20 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
 
     if ($test_type ne "build") {
 	my $failed = 0;
-	start_monitor_and_boot or $failed = 1;
+	start_monitor_and_install or $failed = 1;
 
 	if (!$failed && $test_type ne "boot" && defined($run_test)) {
 	    do_run_test or $failed = 1;
 	}
 	end_monitor;
-	next if ($failed);
+	if ($failed) {
+	    print_times;
+	    next;
+	}
     }
 
+    print_times;
+
     success $i;
 }
 
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 4e511221a0c1..0db571340edb 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -22,6 +22,14 @@ TARGETS += vm
 TARGETS_HOTPLUG = cpu-hotplug
 TARGETS_HOTPLUG += memory-hotplug
 
+# Clear LDFLAGS and MAKEFLAGS if called from main
+# Makefile to avoid test build failures when test
+# Makefile doesn't have explicit build rules.
+ifeq (1,$(MAKELEVEL))
+undefine LDFLAGS
+override MAKEFLAGS =
+endif
+
 all:
 	for TARGET in $(TARGETS); do \
 		make -C $$TARGET; \
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/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile
index f6ff90a76bd7..1d5e7ad2c460 100644
--- a/tools/testing/selftests/powerpc/Makefile
+++ b/tools/testing/selftests/powerpc/Makefile
@@ -13,7 +13,7 @@ CFLAGS := -Wall -O2 -flto -Wall -Werror -DGIT_VERSION='"$(GIT_VERSION)"' -I$(CUR
 
 export CC CFLAGS
 
-TARGETS = pmu copyloops mm tm primitives
+TARGETS = pmu copyloops mm tm primitives stringloops
 
 endif
 
diff --git a/tools/testing/selftests/powerpc/copyloops/.gitignore b/tools/testing/selftests/powerpc/copyloops/.gitignore
new file mode 100644
index 000000000000..25a192f62c4d
--- /dev/null
+++ b/tools/testing/selftests/powerpc/copyloops/.gitignore
@@ -0,0 +1,4 @@
+copyuser_64
+copyuser_power7
+memcpy_64
+memcpy_power7
diff --git a/tools/testing/selftests/powerpc/mm/.gitignore b/tools/testing/selftests/powerpc/mm/.gitignore
new file mode 100644
index 000000000000..b43ade0ec861
--- /dev/null
+++ b/tools/testing/selftests/powerpc/mm/.gitignore
@@ -0,0 +1,3 @@
+hugetlb_vs_thp_test
+subpage_prot
+tempfile
diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile
index 357ccbd6bad9..a14c538dd7f8 100644
--- a/tools/testing/selftests/powerpc/mm/Makefile
+++ b/tools/testing/selftests/powerpc/mm/Makefile
@@ -1,9 +1,9 @@
 noarg:
 	$(MAKE) -C ../
 
-PROGS := hugetlb_vs_thp_test
+PROGS := hugetlb_vs_thp_test subpage_prot
 
-all: $(PROGS)
+all: $(PROGS) tempfile
 
 $(PROGS): ../harness.c
 
@@ -12,7 +12,10 @@ run_tests: all
 		./$$PROG; \
 	done;
 
+tempfile:
+	dd if=/dev/zero of=tempfile bs=64k count=1
+
 clean:
-	rm -f $(PROGS)
+	rm -f $(PROGS) tempfile
 
 .PHONY: all run_tests clean
diff --git a/tools/testing/selftests/powerpc/mm/subpage_prot.c b/tools/testing/selftests/powerpc/mm/subpage_prot.c
new file mode 100644
index 000000000000..440180ff8089
--- /dev/null
+++ b/tools/testing/selftests/powerpc/mm/subpage_prot.c
@@ -0,0 +1,220 @@
+/*
+ * Copyright IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2.1 of the GNU Lesser General Public License
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/ptrace.h>
+#include <sys/syscall.h>
+#include <ucontext.h>
+#include <unistd.h>
+
+#include "utils.h"
+
+char *file_name;
+
+int in_test;
+volatile int faulted;
+volatile void *dar;
+int errors;
+
+static void segv(int signum, siginfo_t *info, void *ctxt_v)
+{
+	ucontext_t *ctxt = (ucontext_t *)ctxt_v;
+	struct pt_regs *regs = ctxt->uc_mcontext.regs;
+
+	if (!in_test) {
+		fprintf(stderr, "Segfault outside of test !\n");
+		exit(1);
+	}
+
+	faulted = 1;
+	dar = (void *)regs->dar;
+	regs->nip += 4;
+}
+
+static inline void do_read(const volatile void *addr)
+{
+	int ret;
+
+	asm volatile("lwz %0,0(%1); twi 0,%0,0; isync;\n"
+		     : "=r" (ret) : "r" (addr) : "memory");
+}
+
+static inline void do_write(const volatile void *addr)
+{
+	int val = 0x1234567;
+
+	asm volatile("stw %0,0(%1); sync; \n"
+		     : : "r" (val), "r" (addr) : "memory");
+}
+
+static inline void check_faulted(void *addr, long page, long subpage, int write)
+{
+	int want_fault = (subpage == ((page + 3) % 16));
+
+	if (write)
+		want_fault |= (subpage == ((page + 1) % 16));
+
+	if (faulted != want_fault) {
+		printf("Failed at 0x%p (p=%ld,sp=%ld,w=%d), want=%s, got=%s !\n",
+		       addr, page, subpage, write,
+		       want_fault ? "fault" : "pass",
+		       faulted ? "fault" : "pass");
+		++errors;
+	}
+
+	if (faulted) {
+		if (dar != addr) {
+			printf("Fault expected at 0x%p and happened at 0x%p !\n",
+			       addr, dar);
+		}
+		faulted = 0;
+		asm volatile("sync" : : : "memory");
+	}
+}
+
+static int run_test(void *addr, unsigned long size)
+{
+	unsigned int *map;
+	long i, j, pages, err;
+
+	pages = size / 0x10000;
+	map = malloc(pages * 4);
+	assert(map);
+
+	/*
+	 * for each page, mark subpage i % 16 read only and subpage
+	 * (i + 3) % 16 inaccessible
+	 */
+	for (i = 0; i < pages; i++) {
+		map[i] = (0x40000000 >> (((i + 1) * 2) % 32)) |
+			(0xc0000000 >> (((i + 3) * 2) % 32));
+	}
+
+	err = syscall(__NR_subpage_prot, addr, size, map);
+	if (err) {
+		perror("subpage_perm");
+		return 1;
+	}
+	free(map);
+
+	in_test = 1;
+	errors = 0;
+	for (i = 0; i < pages; i++) {
+		for (j = 0; j < 16; j++, addr += 0x1000) {
+			do_read(addr);
+			check_faulted(addr, i, j, 0);
+			do_write(addr);
+			check_faulted(addr, i, j, 1);
+		}
+	}
+
+	in_test = 0;
+	if (errors) {
+		printf("%d errors detected\n", errors);
+		return 1;
+	}
+
+	return 0;
+}
+
+int test_anon(void)
+{
+	unsigned long align;
+	struct sigaction act = {
+		.sa_sigaction = segv,
+		.sa_flags = SA_SIGINFO
+	};
+	void *mallocblock;
+	unsigned long mallocsize;
+
+	if (getpagesize() != 0x10000) {
+		fprintf(stderr, "Kernel page size must be 64K!\n");
+		return 1;
+	}
+
+	sigaction(SIGSEGV, &act, NULL);
+
+	mallocsize = 4 * 16 * 1024 * 1024;
+
+	FAIL_IF(posix_memalign(&mallocblock, 64 * 1024, mallocsize));
+
+	align = (unsigned long)mallocblock;
+	if (align & 0xffff)
+		align = (align | 0xffff) + 1;
+
+	mallocblock = (void *)align;
+
+	printf("allocated malloc block of 0x%lx bytes at 0x%p\n",
+	       mallocsize, mallocblock);
+
+	printf("testing malloc block...\n");
+
+	return run_test(mallocblock, mallocsize);
+}
+
+int test_file(void)
+{
+	struct sigaction act = {
+		.sa_sigaction = segv,
+		.sa_flags = SA_SIGINFO
+	};
+	void *fileblock;
+	off_t filesize;
+	int fd;
+
+	fd = open(file_name, O_RDWR);
+	if (fd == -1) {
+		perror("failed to open file");
+		return 1;
+	}
+	sigaction(SIGSEGV, &act, NULL);
+
+	filesize = lseek(fd, 0, SEEK_END);
+	if (filesize & 0xffff)
+		filesize &= ~0xfffful;
+
+	fileblock = mmap(NULL, filesize, PROT_READ | PROT_WRITE,
+			 MAP_SHARED, fd, 0);
+	if (fileblock == MAP_FAILED) {
+		perror("failed to map file");
+		return 1;
+	}
+	printf("allocated %s for 0x%lx bytes at 0x%p\n",
+	       file_name, filesize, fileblock);
+
+	printf("testing file map...\n");
+
+	return run_test(fileblock, filesize);
+}
+
+int main(int argc, char *argv[])
+{
+	test_harness(test_anon, "subpage_prot_anon");
+
+	if (argc > 1)
+		file_name = argv[1];
+	else
+		file_name = "tempfile";
+
+	test_harness(test_file, "subpage_prot_file");
+
+	return 0;
+}
diff --git a/tools/testing/selftests/powerpc/pmu/.gitignore b/tools/testing/selftests/powerpc/pmu/.gitignore
new file mode 100644
index 000000000000..e748f336eed3
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/.gitignore
@@ -0,0 +1,3 @@
+count_instructions
+l3_bank_test
+per_event_excludes
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/.gitignore b/tools/testing/selftests/powerpc/pmu/ebb/.gitignore
new file mode 100644
index 000000000000..42bddbed8b64
--- /dev/null
+++ b/tools/testing/selftests/powerpc/pmu/ebb/.gitignore
@@ -0,0 +1,22 @@
+reg_access_test
+event_attributes_test
+cycles_test
+cycles_with_freeze_test
+pmc56_overflow_test
+ebb_vs_cpu_event_test
+cpu_event_vs_ebb_test
+cpu_event_pinned_vs_ebb_test
+task_event_vs_ebb_test
+task_event_pinned_vs_ebb_test
+multi_ebb_procs_test
+multi_counter_test
+pmae_handling_test
+close_clears_pmcc_test
+instruction_count_test
+fork_cleanup_test
+ebb_on_child_test
+ebb_on_willing_child_test
+back_to_back_ebbs_test
+lost_exception_test
+no_handler_test
+cycles_with_mmcr2_test
diff --git a/tools/testing/selftests/powerpc/primitives/.gitignore b/tools/testing/selftests/powerpc/primitives/.gitignore
new file mode 100644
index 000000000000..4cc4e31bed1d
--- /dev/null
+++ b/tools/testing/selftests/powerpc/primitives/.gitignore
@@ -0,0 +1 @@
+load_unaligned_zeropad
diff --git a/tools/testing/selftests/powerpc/stringloops/.gitignore b/tools/testing/selftests/powerpc/stringloops/.gitignore
new file mode 100644
index 000000000000..0b43da74ee46
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/.gitignore
@@ -0,0 +1 @@
+memcmp
diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
new file mode 100644
index 000000000000..506d77346477
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile
@@ -0,0 +1,20 @@
+# The loops are all 64-bit code
+CFLAGS += -m64
+CFLAGS += -I$(CURDIR)
+
+PROGS := memcmp
+EXTRA_SOURCES := memcmp_64.S ../harness.c
+
+all: $(PROGS)
+
+$(PROGS): $(EXTRA_SOURCES)
+
+run_tests: all
+	@-for PROG in $(PROGS); do \
+		./$$PROG; \
+	done;
+
+clean:
+	rm -f $(PROGS) *.o
+
+.PHONY: all run_tests clean
diff --git a/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
new file mode 100644
index 000000000000..11bece87e880
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/asm/ppc_asm.h
@@ -0,0 +1,7 @@
+#include <ppc-asm.h>
+
+#ifndef r1
+#define r1 sp
+#endif
+
+#define _GLOBAL(A) FUNC_START(test_ ## A)
diff --git a/tools/testing/selftests/powerpc/stringloops/memcmp.c b/tools/testing/selftests/powerpc/stringloops/memcmp.c
new file mode 100644
index 000000000000..17417dd70708
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/memcmp.c
@@ -0,0 +1,103 @@
+#include <malloc.h>
+#include <stdlib.h>
+#include <string.h>
+#include "../utils.h"
+
+#define SIZE 256
+#define ITERATIONS 10000
+
+int test_memcmp(const void *s1, const void *s2, size_t n);
+
+/* test all offsets and lengths */
+static void test_one(char *s1, char *s2)
+{
+	unsigned long offset, size;
+
+	for (offset = 0; offset < SIZE; offset++) {
+		for (size = 0; size < (SIZE-offset); size++) {
+			int x, y;
+			unsigned long i;
+
+			y = memcmp(s1+offset, s2+offset, size);
+			x = test_memcmp(s1+offset, s2+offset, size);
+
+			if (((x ^ y) < 0) &&	/* Trick to compare sign */
+				((x | y) != 0)) { /* check for zero */
+				printf("memcmp returned %d, should have returned %d (offset %ld size %ld)\n", x, y, offset, size);
+
+				for (i = offset; i < offset+size; i++)
+					printf("%02x ", s1[i]);
+				printf("\n");
+
+				for (i = offset; i < offset+size; i++)
+					printf("%02x ", s2[i]);
+				printf("\n");
+				abort();
+			}
+		}
+	}
+}
+
+static int testcase(void)
+{
+	char *s1;
+	char *s2;
+	unsigned long i;
+
+	s1 = memalign(128, SIZE);
+	if (!s1) {
+		perror("memalign");
+		exit(1);
+	}
+
+	s2 = memalign(128, SIZE);
+	if (!s2) {
+		perror("memalign");
+		exit(1);
+	}
+
+	srandom(1);
+
+	for (i = 0; i < ITERATIONS; i++) {
+		unsigned long j;
+		unsigned long change;
+
+		for (j = 0; j < SIZE; j++)
+			s1[j] = random();
+
+		memcpy(s2, s1, SIZE);
+
+		/* change one byte */
+		change = random() % SIZE;
+		s2[change] = random() & 0xff;
+
+		test_one(s1, s2);
+	}
+
+	srandom(1);
+
+	for (i = 0; i < ITERATIONS; i++) {
+		unsigned long j;
+		unsigned long change;
+
+		for (j = 0; j < SIZE; j++)
+			s1[j] = random();
+
+		memcpy(s2, s1, SIZE);
+
+		/* change multiple bytes, 1/8 of total */
+		for (j = 0; j < SIZE / 8; j++) {
+			change = random() % SIZE;
+			s2[change] = random() & 0xff;
+		}
+
+		test_one(s1, s2);
+	}
+
+	return 0;
+}
+
+int main(void)
+{
+	return test_harness(testcase, "memcmp");
+}
diff --git a/tools/testing/selftests/powerpc/stringloops/memcmp_64.S b/tools/testing/selftests/powerpc/stringloops/memcmp_64.S
new file mode 120000
index 000000000000..9bc87e438ae9
--- /dev/null
+++ b/tools/testing/selftests/powerpc/stringloops/memcmp_64.S
@@ -0,0 +1 @@
+../../../../../arch/powerpc/lib/memcmp_64.S
\ No newline at end of file
diff --git a/tools/testing/selftests/powerpc/tm/.gitignore b/tools/testing/selftests/powerpc/tm/.gitignore
new file mode 100644
index 000000000000..33d02cc54a3e
--- /dev/null
+++ b/tools/testing/selftests/powerpc/tm/.gitignore
@@ -0,0 +1 @@
+tm-resched-dscr
diff --git a/tools/testing/selftests/rcutorture/bin/cpus2use.sh b/tools/testing/selftests/rcutorture/bin/cpus2use.sh
index abe14b7f36e9..bb99cde3f5f9 100755
--- a/tools/testing/selftests/rcutorture/bin/cpus2use.sh
+++ b/tools/testing/selftests/rcutorture/bin/cpus2use.sh
@@ -24,7 +24,7 @@
 
 ncpus=`grep '^processor' /proc/cpuinfo | wc -l`
 idlecpus=`mpstat | tail -1 | \
-	awk -v ncpus=$ncpus '{ print ncpus * ($7 + $12) / 100 }'`
+	awk -v ncpus=$ncpus '{ print ncpus * ($7 + $NF) / 100 }'`
 awk -v ncpus=$ncpus -v idlecpus=$idlecpus < /dev/null '
 BEGIN {
 	cpus2use = idlecpus;
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
index d6cc07fc137f..559e01ac86be 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
@@ -30,6 +30,7 @@ else
 	echo Unreadable results directory: $i
 	exit 1
 fi
+. tools/testing/selftests/rcutorture/bin/functions.sh
 
 configfile=`echo $i | sed -e 's/^.*\///'`
 ngps=`grep ver: $i/console.log 2> /dev/null | tail -1 | sed -e 's/^.* ver: //' -e 's/ .*$//'`
@@ -48,4 +49,21 @@ else
 		title="$title ($ngpsps per second)"
 	fi
 	echo $title
+	nclosecalls=`grep --binary-files=text 'torture: Reader Batch' $i/console.log | tail -1 | awk '{for (i=NF-8;i<=NF;i++) sum+=$i; } END {print sum}'`
+	if test -z "$nclosecalls"
+	then
+		exit 0
+	fi
+	if test "$nclosecalls" -eq 0
+	then
+		exit 0
+	fi
+	# Compute number of close calls per tenth of an hour
+	nclosecalls10=`awk -v nclosecalls=$nclosecalls -v dur=$dur 'BEGIN { print int(nclosecalls * 36000 / dur) }' < /dev/null`
+	if test $nclosecalls10 -gt 5 -a $nclosecalls -gt 1
+	then
+		print_bug $nclosecalls "Reader Batch close calls in" $(($dur/60)) minute run: $i
+	else
+		print_warning $nclosecalls "Reader Batch close calls in" $(($dur/60)) minute run: $i
+	fi
 fi
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 8ca9f21f2efc..5236e073919d 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -8,9 +8,9 @@
 #
 # Usage: kvm-test-1-run.sh config builddir resdir minutes qemu-args boot_args
 #
-# qemu-args defaults to "-nographic", along with arguments specifying the
-#			number of CPUs and other options generated from
-#			the underlying CPU architecture.
+# qemu-args defaults to "-enable-kvm -soundhw pcspk -nographic", along with
+#			arguments specifying the number of CPUs and other
+#			options generated from the underlying CPU architecture.
 # boot_args defaults to value returned by the per_version_boot_params
 #			shell function.
 #
@@ -138,7 +138,7 @@ then
 fi
 
 # Generate -smp qemu argument.
-qemu_args="-nographic $qemu_args"
+qemu_args="-enable-kvm -soundhw pcspk -nographic $qemu_args"
 cpu_count=`configNR_CPUS.sh $config_template`
 cpu_count=`configfrag_boot_cpus "$boot_args" "$config_template" "$cpu_count"`
 vcpus=`identify_qemu_vcpus`
@@ -168,6 +168,7 @@ then
 	touch $resdir/buildonly
 	exit 0
 fi
+echo "NOTE: $QEMU either did not run or was interactive" > $builddir/console.log
 echo $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd
 ( $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) &
 qemu_pid=$!
diff --git a/tools/testing/selftests/rcutorture/bin/parse-build.sh b/tools/testing/selftests/rcutorture/bin/parse-build.sh
index 499d1e598e42..a6b57622c2e5 100755
--- a/tools/testing/selftests/rcutorture/bin/parse-build.sh
+++ b/tools/testing/selftests/rcutorture/bin/parse-build.sh
@@ -26,12 +26,15 @@
 #
 # Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
 
-T=$1
+F=$1
 title=$2
+T=/tmp/parse-build.sh.$$
+trap 'rm -rf $T' 0
+mkdir $T
 
 . functions.sh
 
-if grep -q CC < $T
+if grep -q CC < $F
 then
 	:
 else
@@ -39,18 +42,21 @@ else
 	exit 1
 fi
 
-if grep -q "error:" < $T
+if grep -q "error:" < $F
 then
 	print_bug $title build errors:
-	grep "error:" < $T
+	grep "error:" < $F
 	exit 2
 fi
-exit 0
 
-if egrep -q "rcu[^/]*\.c.*warning:|rcu.*\.h.*warning:" < $T
+grep warning: < $F > $T/warnings
+grep "include/linux/*rcu*\.h:" $T/warnings > $T/hwarnings
+grep "kernel/rcu/[^/]*:" $T/warnings > $T/cwarnings
+cat $T/hwarnings $T/cwarnings > $T/rcuwarnings
+if test -s $T/rcuwarnings
 then
 	print_warning $title build errors:
-	egrep "rcu[^/]*\.c.*warning:|rcu.*\.h.*warning:" < $T
+	cat $T/rcuwarnings
 	exit 2
 fi
 exit 0
diff --git a/tools/testing/selftests/rcutorture/bin/parse-console.sh b/tools/testing/selftests/rcutorture/bin/parse-console.sh
index f962ba4cf68b..d8f35cf116be 100755
--- a/tools/testing/selftests/rcutorture/bin/parse-console.sh
+++ b/tools/testing/selftests/rcutorture/bin/parse-console.sh
@@ -36,7 +36,7 @@ if grep -Pq '\x00' < $file
 then
 	print_warning Console output contains nul bytes, old qemu still running?
 fi
-egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:' < $file | grep -v 'ODEBUG: ' | grep -v 'Warning: unable to open an initial console' > $T
+egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|Stall ended before state dump start' < $file | grep -v 'ODEBUG: ' | grep -v 'Warning: unable to open an initial console' > $T
 if test -s $T
 then
 	print_warning Assertion failure in $file $title