Merge 4.19-rc6 into usb-next

We want the USB fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

47 files changed, 585 insertions, 39 deletions

diff --git a/tools/include/tools/libc_compat.h b/tools/include/tools/libc_compat.h
index 664ced8cb1b0..e907ba6f15e5 100644
--- a/tools/include/tools/libc_compat.h
+++ b/tools/include/tools/libc_compat.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: (LGPL-2.0+ OR BSD-2-Clause)
 /* Copyright (C) 2018 Netronome Systems, Inc. */
 
 #ifndef __TOOLS_LIBC_COMPAT_H
diff --git a/tools/lib/bpf/Build b/tools/lib/bpf/Build
index 13a861135127..6eb9bacd1948 100644
--- a/tools/lib/bpf/Build
+++ b/tools/lib/bpf/Build
@@ -1 +1 @@
-libbpf-y := libbpf.o bpf.o nlattr.o btf.o libbpf_errno.o
+libbpf-y := libbpf.o bpf.o nlattr.o btf.o libbpf_errno.o str_error.o
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 2abd0f112627..bdb94939fd60 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -50,6 +50,7 @@
 #include "libbpf.h"
 #include "bpf.h"
 #include "btf.h"
+#include "str_error.h"
 
 #ifndef EM_BPF
 #define EM_BPF 247
@@ -469,7 +470,7 @@ static int bpf_object__elf_init(struct bpf_object *obj)
                 obj->efile.fd = open(obj->path, O_RDONLY);
                 if (obj->efile.fd < 0) {
                         char errmsg[STRERR_BUFSIZE];
-                        char *cp = strerror_r(errno, errmsg, sizeof(errmsg));
+                        char *cp = str_error(errno, errmsg, sizeof(errmsg));
 
                         pr_warning("failed to open %s: %s\n", obj->path, cp);
                         return -errno;
@@ -810,8 +811,7 @@ static int bpf_object__elf_collect(struct bpf_object *obj)
                                                       data->d_size, name, idx);
                         if (err) {
                                 char errmsg[STRERR_BUFSIZE];
-                                char *cp = strerror_r(-err, errmsg,
-                                                      sizeof(errmsg));
+                                char *cp = str_error(-err, errmsg, sizeof(errmsg));
 
                                 pr_warning("failed to alloc program %s (%s): %s",
                                            name, obj->path, cp);
@@ -1140,7 +1140,7 @@ bpf_object__create_maps(struct bpf_object *obj)
 
                 *pfd = bpf_create_map_xattr(&create_attr);
                 if (*pfd < 0 && create_attr.btf_key_type_id) {
-                        cp = strerror_r(errno, errmsg, sizeof(errmsg));
+                        cp = str_error(errno, errmsg, sizeof(errmsg));
                         pr_warning("Error in bpf_create_map_xattr(%s):%s(%d). Retrying without BTF.\n",
                                    map->name, cp, errno);
                         create_attr.btf_fd = 0;
@@ -1155,7 +1155,7 @@ bpf_object__create_maps(struct bpf_object *obj)
                         size_t j;
 
                         err = *pfd;
-                        cp = strerror_r(errno, errmsg, sizeof(errmsg));
+                        cp = str_error(errno, errmsg, sizeof(errmsg));
                         pr_warning("failed to create map (name: '%s'): %s\n",
                                    map->name, cp);
                         for (j = 0; j < i; j++)
@@ -1339,7 +1339,7 @@ load_program(enum bpf_prog_type type, enum bpf_attach_type expected_attach_type,
         }
 
         ret = -LIBBPF_ERRNO__LOAD;
-        cp = strerror_r(errno, errmsg, sizeof(errmsg));
+        cp = str_error(errno, errmsg, sizeof(errmsg));
         pr_warning("load bpf program failed: %s\n", cp);
 
         if (log_buf && log_buf[0] != '\0') {
@@ -1654,7 +1654,7 @@ static int check_path(const char *path)
 
         dir = dirname(dname);
         if (statfs(dir, &st_fs)) {
-                cp = strerror_r(errno, errmsg, sizeof(errmsg));
+                cp = str_error(errno, errmsg, sizeof(errmsg));
                 pr_warning("failed to statfs %s: %s\n", dir, cp);
                 err = -errno;
         }
@@ -1690,7 +1690,7 @@ int bpf_program__pin_instance(struct bpf_program *prog, const char *path,
         }
 
         if (bpf_obj_pin(prog->instances.fds[instance], path)) {
-                cp = strerror_r(errno, errmsg, sizeof(errmsg));
+                cp = str_error(errno, errmsg, sizeof(errmsg));
                 pr_warning("failed to pin program: %s\n", cp);
                 return -errno;
         }
@@ -1708,7 +1708,7 @@ static int make_dir(const char *path)
                 err = -errno;
 
         if (err) {
-                cp = strerror_r(-err, errmsg, sizeof(errmsg));
+                cp = str_error(-err, errmsg, sizeof(errmsg));
                 pr_warning("failed to mkdir %s: %s\n", path, cp);
         }
         return err;
@@ -1770,7 +1770,7 @@ int bpf_map__pin(struct bpf_map *map, const char *path)
         }
 
         if (bpf_obj_pin(map->fd, path)) {
-                cp = strerror_r(errno, errmsg, sizeof(errmsg));
+                cp = str_error(errno, errmsg, sizeof(errmsg));
                 pr_warning("failed to pin map: %s\n", cp);
                 return -errno;
         }
diff --git a/tools/lib/bpf/str_error.c b/tools/lib/bpf/str_error.c
new file mode 100644
index 000000000000..b8798114a357
--- /dev/null
+++ b/tools/lib/bpf/str_error.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: LGPL-2.1
+#undef _GNU_SOURCE
+#include <string.h>
+#include <stdio.h>
+#include "str_error.h"
+
+/*
+ * Wrapper to allow for building in non-GNU systems such as Alpine Linux's musl
+ * libc, while checking strerror_r() return to avoid having to check this in
+ * all places calling it.
+ */
+char *str_error(int err, char *dst, int len)
+{
+        int ret = strerror_r(err, dst, len);
+        if (ret)
+                snprintf(dst, len, "ERROR: strerror_r(%d)=%d", err, ret);
+        return dst;
+}
diff --git a/tools/lib/bpf/str_error.h b/tools/lib/bpf/str_error.h
new file mode 100644
index 000000000000..355b1db571d1
--- /dev/null
+++ b/tools/lib/bpf/str_error.h
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: LGPL-2.1
+#ifndef BPF_STR_ERROR
+#define BPF_STR_ERROR
+
+char *str_error(int err, char *dst, int len);
+#endif // BPF_STR_ERROR
diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile
index 42261a9b280e..ac841bc5c35b 100644
--- a/tools/perf/Documentation/Makefile
+++ b/tools/perf/Documentation/Makefile
@@ -280,7 +280,7 @@ $(MAN_HTML): $(OUTPUT)%.html : %.txt
         mv $@+ $@
 
 ifdef USE_ASCIIDOCTOR
-$(OUTPUT)%.1 $(OUTPUT)%.5 $(OUTPUT)%.7 : $(OUTPUT)%.txt
+$(OUTPUT)%.1 $(OUTPUT)%.5 $(OUTPUT)%.7 : %.txt
         $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
         $(ASCIIDOC) -b manpage -d manpage \
                 $(ASCIIDOC_EXTRA) -aperf_version=$(PERF_VERSION) -o $@+ $< && \
diff --git a/tools/testing/selftests/android/Makefile b/tools/testing/selftests/android/Makefile
index 72c25a3cb658..d9a725478375 100644
--- a/tools/testing/selftests/android/Makefile
+++ b/tools/testing/selftests/android/Makefile
@@ -6,7 +6,7 @@ TEST_PROGS := run.sh
 
 include ../lib.mk
 
-all:
+all: khdr
         @for DIR in $(SUBDIRS); do              \
                 BUILD_TARGET=$(OUTPUT)/$$DIR;   \
                 mkdir $$BUILD_TARGET  -p;       \
diff --git a/tools/testing/selftests/android/ion/config b/tools/testing/selftests/android/config
index b4ad748a9dd9..b4ad748a9dd9 100644
--- a/tools/testing/selftests/android/ion/config
+++ b/tools/testing/selftests/android/config
diff --git a/tools/testing/selftests/android/ion/Makefile b/tools/testing/selftests/android/ion/Makefile
index e03695287f76..88cfe88e466f 100644
--- a/tools/testing/selftests/android/ion/Makefile
+++ b/tools/testing/selftests/android/ion/Makefile
@@ -10,6 +10,8 @@ $(TEST_GEN_FILES): ipcsocket.c ionutils.c
 
 TEST_PROGS := ion_test.sh
 
+KSFT_KHDR_INSTALL := 1
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(OUTPUT)/ionapp_export: ionapp_export.c ipcsocket.c ionutils.c
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 6f54f84144a0..9b552c0fc47d 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -580,7 +580,11 @@ static void test_sockmap(int tasks, void *data)
         /* Test update without programs */
         for (i = 0; i < 6; i++) {
                 err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_ANY);
-                if (err) {
+                if (i < 2 && !err) {
+                        printf("Allowed update sockmap '%i:%i' not in ESTABLISHED\n",
+                               i, sfd[i]);
+                        goto out_sockmap;
+                } else if (i >= 2 && err) {
                         printf("Failed noprog update sockmap '%i:%i'\n",
                                i, sfd[i]);
                         goto out_sockmap;
@@ -741,7 +745,7 @@ static void test_sockmap(int tasks, void *data)
         }
 
         /* Test map update elem afterwards fd lives in fd and map_fd */
-        for (i = 0; i < 6; i++) {
+        for (i = 2; i < 6; i++) {
                 err = bpf_map_update_elem(map_fd_rx, &i, &sfd[i], BPF_ANY);
                 if (err) {
                         printf("Failed map_fd_rx update sockmap %i '%i:%i'\n",
@@ -845,7 +849,7 @@ static void test_sockmap(int tasks, void *data)
         }
 
         /* Delete the elems without programs */
-        for (i = 0; i < 6; i++) {
+        for (i = 2; i < 6; i++) {
                 err = bpf_map_delete_elem(fd, &i);
                 if (err) {
                         printf("Failed delete sockmap %i '%i:%i'\n",
diff --git a/tools/testing/selftests/cgroup/.gitignore b/tools/testing/selftests/cgroup/.gitignore
index 95eb3a53c381..adacda50a4b2 100644
--- a/tools/testing/selftests/cgroup/.gitignore
+++ b/tools/testing/selftests/cgroup/.gitignore
@@ -1 +1,2 @@
 test_memcontrol
+test_core
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index 1c5d2b2a583b..14c9fe284806 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c
@@ -89,17 +89,28 @@ int cg_read(const char *cgroup, const char *control, char *buf, size_t len)
 int cg_read_strcmp(const char *cgroup, const char *control,
                    const char *expected)
 {
-        size_t size = strlen(expected) + 1;
+        size_t size;
         char *buf;
+        int ret;
+
+        /* Handle the case of comparing against empty string */
+        if (!expected)
+                size = 32;
+        else
+                size = strlen(expected) + 1;
 
         buf = malloc(size);
         if (!buf)
                 return -1;
 
-        if (cg_read(cgroup, control, buf, size))
+        if (cg_read(cgroup, control, buf, size)) {
+                free(buf);
                 return -1;
+        }
 
-        return strcmp(expected, buf);
+        ret = strcmp(expected, buf);
+        free(buf);
+        return ret;
 }
 
 int cg_read_strstr(const char *cgroup, const char *control, const char *needle)
@@ -337,3 +348,24 @@ int is_swap_enabled(void)
 
         return cnt > 1;
 }
+
+int set_oom_adj_score(int pid, int score)
+{
+        char path[PATH_MAX];
+        int fd, len;
+
+        sprintf(path, "/proc/%d/oom_score_adj", pid);
+
+        fd = open(path, O_WRONLY | O_APPEND);
+        if (fd < 0)
+                return fd;
+
+        len = dprintf(fd, "%d", score);
+        if (len < 0) {
+                close(fd);
+                return len;
+        }
+
+        close(fd);
+        return 0;
+}
diff --git a/tools/testing/selftests/cgroup/cgroup_util.h b/tools/testing/selftests/cgroup/cgroup_util.h
index 1ff6f9f1abdc..9ac8b7958f83 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.h
+++ b/tools/testing/selftests/cgroup/cgroup_util.h
@@ -40,3 +40,4 @@ extern int get_temp_fd(void);
 extern int alloc_pagecache(int fd, size_t size);
 extern int alloc_anon(const char *cgroup, void *arg);
 extern int is_swap_enabled(void);
+extern int set_oom_adj_score(int pid, int score);
diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index cf0bddc9d271..28d321ba311b 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -2,6 +2,7 @@
 #define _GNU_SOURCE
 
 #include <linux/limits.h>
+#include <linux/oom.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -202,6 +203,36 @@ static int alloc_pagecache_50M_noexit(const char *cgroup, void *arg)
         return 0;
 }
 
+static int alloc_anon_noexit(const char *cgroup, void *arg)
+{
+        int ppid = getppid();
+
+        if (alloc_anon(cgroup, arg))
+                return -1;
+
+        while (getppid() == ppid)
+                sleep(1);
+
+        return 0;
+}
+
+/*
+ * Wait until processes are killed asynchronously by the OOM killer
+ * If we exceed a timeout, fail.
+ */
+static int cg_test_proc_killed(const char *cgroup)
+{
+        int limit;
+
+        for (limit = 10; limit > 0; limit--) {
+                if (cg_read_strcmp(cgroup, "cgroup.procs", "") == 0)
+                        return 0;
+
+                usleep(100000);
+        }
+        return -1;
+}
+
 /*
  * First, this test creates the following hierarchy:
  * A       memory.min = 50M,  memory.max = 200M
@@ -964,6 +995,177 @@ cleanup:
         return ret;
 }
 
+/*
+ * This test disables swapping and tries to allocate anonymous memory
+ * up to OOM with memory.group.oom set. Then it checks that all
+ * processes in the leaf (but not the parent) were killed.
+ */
+static int test_memcg_oom_group_leaf_events(const char *root)
+{
+        int ret = KSFT_FAIL;
+        char *parent, *child;
+
+        parent = cg_name(root, "memcg_test_0");
+        child = cg_name(root, "memcg_test_0/memcg_test_1");
+
+        if (!parent || !child)
+                goto cleanup;
+
+        if (cg_create(parent))
+                goto cleanup;
+
+        if (cg_create(child))
+                goto cleanup;
+
+        if (cg_write(parent, "cgroup.subtree_control", "+memory"))
+                goto cleanup;
+
+        if (cg_write(child, "memory.max", "50M"))
+                goto cleanup;
+
+        if (cg_write(child, "memory.swap.max", "0"))
+                goto cleanup;
+
+        if (cg_write(child, "memory.oom.group", "1"))
+                goto cleanup;
+
+        cg_run_nowait(parent, alloc_anon_noexit, (void *) MB(60));
+        cg_run_nowait(child, alloc_anon_noexit, (void *) MB(1));
+        cg_run_nowait(child, alloc_anon_noexit, (void *) MB(1));
+        if (!cg_run(child, alloc_anon, (void *)MB(100)))
+                goto cleanup;
+
+        if (cg_test_proc_killed(child))
+                goto cleanup;
+
+        if (cg_read_key_long(child, "memory.events", "oom_kill ") <= 0)
+                goto cleanup;
+
+        if (cg_read_key_long(parent, "memory.events", "oom_kill ") != 0)
+                goto cleanup;
+
+        ret = KSFT_PASS;
+
+cleanup:
+        if (child)
+                cg_destroy(child);
+        if (parent)
+                cg_destroy(parent);
+        free(child);
+        free(parent);
+
+        return ret;
+}
+
+/*
+ * This test disables swapping and tries to allocate anonymous memory
+ * up to OOM with memory.group.oom set. Then it checks that all
+ * processes in the parent and leaf were killed.
+ */
+static int test_memcg_oom_group_parent_events(const char *root)
+{
+        int ret = KSFT_FAIL;
+        char *parent, *child;
+
+        parent = cg_name(root, "memcg_test_0");
+        child = cg_name(root, "memcg_test_0/memcg_test_1");
+
+        if (!parent || !child)
+                goto cleanup;
+
+        if (cg_create(parent))
+                goto cleanup;
+
+        if (cg_create(child))
+                goto cleanup;
+
+        if (cg_write(parent, "memory.max", "80M"))
+                goto cleanup;
+
+        if (cg_write(parent, "memory.swap.max", "0"))
+                goto cleanup;
+
+        if (cg_write(parent, "memory.oom.group", "1"))
+                goto cleanup;
+
+        cg_run_nowait(parent, alloc_anon_noexit, (void *) MB(60));
+        cg_run_nowait(child, alloc_anon_noexit, (void *) MB(1));
+        cg_run_nowait(child, alloc_anon_noexit, (void *) MB(1));
+
+        if (!cg_run(child, alloc_anon, (void *)MB(100)))
+                goto cleanup;
+
+        if (cg_test_proc_killed(child))
+                goto cleanup;
+        if (cg_test_proc_killed(parent))
+                goto cleanup;
+
+        ret = KSFT_PASS;
+
+cleanup:
+        if (child)
+                cg_destroy(child);
+        if (parent)
+                cg_destroy(parent);
+        free(child);
+        free(parent);
+
+        return ret;
+}
+
+/*
+ * This test disables swapping and tries to allocate anonymous memory
+ * up to OOM with memory.group.oom set. Then it checks that all
+ * processes were killed except those set with OOM_SCORE_ADJ_MIN
+ */
+static int test_memcg_oom_group_score_events(const char *root)
+{
+        int ret = KSFT_FAIL;
+        char *memcg;
+        int safe_pid;
+
+        memcg = cg_name(root, "memcg_test_0");
+
+        if (!memcg)
+                goto cleanup;
+
+        if (cg_create(memcg))
+                goto cleanup;
+
+        if (cg_write(memcg, "memory.max", "50M"))
+                goto cleanup;
+
+        if (cg_write(memcg, "memory.swap.max", "0"))
+                goto cleanup;
+
+        if (cg_write(memcg, "memory.oom.group", "1"))
+                goto cleanup;
+
+        safe_pid = cg_run_nowait(memcg, alloc_anon_noexit, (void *) MB(1));
+        if (set_oom_adj_score(safe_pid, OOM_SCORE_ADJ_MIN))
+                goto cleanup;
+
+        cg_run_nowait(memcg, alloc_anon_noexit, (void *) MB(1));
+        if (!cg_run(memcg, alloc_anon, (void *)MB(100)))
+                goto cleanup;
+
+        if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 3)
+                goto cleanup;
+
+        if (kill(safe_pid, SIGKILL))
+                goto cleanup;
+
+        ret = KSFT_PASS;
+
+cleanup:
+        if (memcg)
+                cg_destroy(memcg);
+        free(memcg);
+
+        return ret;
+}
+
+
 #define T(x) { x, #x }
 struct memcg_test {
         int (*fn)(const char *root);
@@ -978,6 +1180,9 @@ struct memcg_test {
         T(test_memcg_oom_events),
         T(test_memcg_swap_max),
         T(test_memcg_sock),
+        T(test_memcg_oom_group_leaf_events),
+        T(test_memcg_oom_group_parent_events),
+        T(test_memcg_oom_group_score_events),
 };
 #undef T
 
diff --git a/tools/testing/selftests/efivarfs/config b/tools/testing/selftests/efivarfs/config
new file mode 100644
index 000000000000..4e151f1005b2
--- /dev/null
+++ b/tools/testing/selftests/efivarfs/config
@@ -0,0 +1 @@
+CONFIG_EFIVAR_FS=y
diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile
index ff8feca49746..ad1eeb14fda7 100644
--- a/tools/testing/selftests/futex/functional/Makefile
+++ b/tools/testing/selftests/futex/functional/Makefile
@@ -18,6 +18,7 @@ TEST_GEN_FILES := \
 
 TEST_PROGS := run.sh
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_FILES): $(HEADERS)
diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 1bbb47565c55..4665cdbf1a8d 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile
@@ -21,11 +21,8 @@ endef
 CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/
 LDLIBS += -lmount -I/usr/include/libmount
 
-$(BINARIES): ../../../gpio/gpio-utils.o ../../../../usr/include/linux/gpio.h
+$(BINARIES):| khdr
+$(BINARIES): ../../../gpio/gpio-utils.o
 
 ../../../gpio/gpio-utils.o:
         make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio
-
-../../../../usr/include/linux/gpio.h:
-        make -C ../../../.. headers_install INSTALL_HDR_PATH=$(shell pwd)/../../../../usr/
-
diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index 15e6b75fc3a5..a3edb2c8e43d 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -19,7 +19,6 @@
 #define KSFT_FAIL  1
 #define KSFT_XFAIL 2
 #define KSFT_XPASS 3
-/* Treat skip as pass */
 #define KSFT_SKIP  4
 
 /* counters */
diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore
index 4202139d81d9..5c34752e1cff 100644
--- a/tools/testing/selftests/kvm/.gitignore
+++ b/tools/testing/selftests/kvm/.gitignore
@@ -1,4 +1,5 @@
 cr4_cpuid_sync_test
+platform_info_test
 set_sregs_test
 sync_regs_test
 vmx_tsc_adjust_test
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index 03b0f551bedf..ec32dad3c3f0 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -6,7 +6,8 @@ UNAME_M := $(shell uname -m)
 LIBKVM = lib/assert.c lib/elf.c lib/io.c lib/kvm_util.c lib/sparsebit.c
 LIBKVM_x86_64 = lib/x86.c lib/vmx.c
 
-TEST_GEN_PROGS_x86_64 = set_sregs_test
+TEST_GEN_PROGS_x86_64 = platform_info_test
+TEST_GEN_PROGS_x86_64 += set_sregs_test
 TEST_GEN_PROGS_x86_64 += sync_regs_test
 TEST_GEN_PROGS_x86_64 += vmx_tsc_adjust_test
 TEST_GEN_PROGS_x86_64 += cr4_cpuid_sync_test
@@ -20,7 +21,7 @@ INSTALL_HDR_PATH = $(top_srcdir)/usr
 LINUX_HDR_PATH = $(INSTALL_HDR_PATH)/include/
 LINUX_TOOL_INCLUDE = $(top_srcdir)tools/include
 CFLAGS += -O2 -g -std=gnu99 -I$(LINUX_TOOL_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -I..
-LDFLAGS += -lpthread
+LDFLAGS += -pthread
 
 # After inclusion, $(OUTPUT) is defined and
 # $(TEST_GEN_PROGS) starts with $(OUTPUT)/
@@ -37,9 +38,6 @@ $(LIBKVM_OBJ): $(OUTPUT)/%.o: %.c
 $(OUTPUT)/libkvm.a: $(LIBKVM_OBJ)
         $(AR) crs $@ $^
 
-$(LINUX_HDR_PATH):
-        make -C $(top_srcdir) headers_install
-
-all: $(STATIC_LIBS) $(LINUX_HDR_PATH)
+all: $(STATIC_LIBS)
 $(TEST_GEN_PROGS): $(STATIC_LIBS)
-$(TEST_GEN_PROGS) $(LIBKVM_OBJ): | $(LINUX_HDR_PATH)
+$(STATIC_LIBS):| khdr
diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index bb5a25fb82c6..3acf9a91704c 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -50,6 +50,7 @@ enum vm_mem_backing_src_type {
 };
 
 int kvm_check_cap(long cap);
+int vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap);
 
 struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm);
 void kvm_vm_free(struct kvm_vm *vmp);
@@ -108,6 +109,9 @@ void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid,
                           struct kvm_vcpu_events *events);
 void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
                           struct kvm_vcpu_events *events);
+uint64_t vcpu_get_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index);
+void vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index,
+        uint64_t msr_value);
 
 const char *exit_reason_str(unsigned int exit_reason);
 
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index e9ba389c48db..6fd8c089cafc 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -63,6 +63,29 @@ int kvm_check_cap(long cap)
         return ret;
 }
 
+/* VM Enable Capability
+ *
+ * Input Args:
+ *   vm - Virtual Machine
+ *   cap - Capability
+ *
+ * Output Args: None
+ *
+ * Return: On success, 0. On failure a TEST_ASSERT failure is produced.
+ *
+ * Enables a capability (KVM_CAP_*) on the VM.
+ */
+int vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap)
+{
+        int ret;
+
+        ret = ioctl(vm->fd, KVM_ENABLE_CAP, cap);
+        TEST_ASSERT(ret == 0, "KVM_ENABLE_CAP IOCTL failed,\n"
+                "  rc: %i errno: %i", ret, errno);
+
+        return ret;
+}
+
 static void vm_open(struct kvm_vm *vm, int perm)
 {
         vm->kvm_fd = open(KVM_DEV_PATH, perm);
@@ -1220,6 +1243,72 @@ void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
                 ret, errno);
 }
 
+/* VCPU Get MSR
+ *
+ * Input Args:
+ *   vm - Virtual Machine
+ *   vcpuid - VCPU ID
+ *   msr_index - Index of MSR
+ *
+ * Output Args: None
+ *
+ * Return: On success, value of the MSR. On failure a TEST_ASSERT is produced.
+ *
+ * Get value of MSR for VCPU.
+ */
+uint64_t vcpu_get_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index)
+{
+        struct vcpu *vcpu = vcpu_find(vm, vcpuid);
+        struct {
+                struct kvm_msrs header;
+                struct kvm_msr_entry entry;
+        } buffer = {};
+        int r;
+
+        TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
+        buffer.header.nmsrs = 1;
+        buffer.entry.index = msr_index;
+        r = ioctl(vcpu->fd, KVM_GET_MSRS, &buffer.header);
+        TEST_ASSERT(r == 1, "KVM_GET_MSRS IOCTL failed,\n"
+                "  rc: %i errno: %i", r, errno);
+
+        return buffer.entry.data;
+}
+
+/* VCPU Set MSR
+ *
+ * Input Args:
+ *   vm - Virtual Machine
+ *   vcpuid - VCPU ID
+ *   msr_index - Index of MSR
+ *   msr_value - New value of MSR
+ *
+ * Output Args: None
+ *
+ * Return: On success, nothing. On failure a TEST_ASSERT is produced.
+ *
+ * Set value of MSR for VCPU.
+ */
+void vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index,
+        uint64_t msr_value)
+{
+        struct vcpu *vcpu = vcpu_find(vm, vcpuid);
+        struct {
+                struct kvm_msrs header;
+                struct kvm_msr_entry entry;
+        } buffer = {};
+        int r;
+
+        TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
+        memset(&buffer, 0, sizeof(buffer));
+        buffer.header.nmsrs = 1;
+        buffer.entry.index = msr_index;
+        buffer.entry.data = msr_value;
+        r = ioctl(vcpu->fd, KVM_SET_MSRS, &buffer.header);
+        TEST_ASSERT(r == 1, "KVM_SET_MSRS IOCTL failed,\n"
+                "  rc: %i errno: %i", r, errno);
+}
+
 /* VM VCPU Args Set
  *
  * Input Args:
diff --git a/tools/testing/selftests/kvm/platform_info_test.c b/tools/testing/selftests/kvm/platform_info_test.c
new file mode 100644
index 000000000000..3764e7121265
--- /dev/null
+++ b/tools/testing/selftests/kvm/platform_info_test.c
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Test for x86 KVM_CAP_MSR_PLATFORM_INFO
+ *
+ * Copyright (C) 2018, Google LLC.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.
+ *
+ * Verifies expected behavior of controlling guest access to
+ * MSR_PLATFORM_INFO.
+ */
+
+#define _GNU_SOURCE /* for program_invocation_short_name */
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+
+#include "test_util.h"
+#include "kvm_util.h"
+#include "x86.h"
+
+#define VCPU_ID 0
+#define MSR_PLATFORM_INFO_MAX_TURBO_RATIO 0xff00
+
+static void guest_code(void)
+{
+        uint64_t msr_platform_info;
+
+        for (;;) {
+                msr_platform_info = rdmsr(MSR_PLATFORM_INFO);
+                GUEST_SYNC(msr_platform_info);
+                asm volatile ("inc %r11");
+        }
+}
+
+static void set_msr_platform_info_enabled(struct kvm_vm *vm, bool enable)
+{
+        struct kvm_enable_cap cap = {};
+
+        cap.cap = KVM_CAP_MSR_PLATFORM_INFO;
+        cap.flags = 0;
+        cap.args[0] = (int)enable;
+        vm_enable_cap(vm, &cap);
+}
+
+static void test_msr_platform_info_enabled(struct kvm_vm *vm)
+{
+        struct kvm_run *run = vcpu_state(vm, VCPU_ID);
+        struct guest_args args;
+
+        set_msr_platform_info_enabled(vm, true);
+        vcpu_run(vm, VCPU_ID);
+        TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
+                        "Exit_reason other than KVM_EXIT_IO: %u (%s),\n",
+                        run->exit_reason,
+                        exit_reason_str(run->exit_reason));
+        guest_args_read(vm, VCPU_ID, &args);
+        TEST_ASSERT(args.port == GUEST_PORT_SYNC,
+                        "Received IO from port other than PORT_HOST_SYNC: %u\n",
+                        run->io.port);
+        TEST_ASSERT((args.arg1 & MSR_PLATFORM_INFO_MAX_TURBO_RATIO) ==
+                MSR_PLATFORM_INFO_MAX_TURBO_RATIO,
+                "Expected MSR_PLATFORM_INFO to have max turbo ratio mask: %i.",
+                MSR_PLATFORM_INFO_MAX_TURBO_RATIO);
+}
+
+static void test_msr_platform_info_disabled(struct kvm_vm *vm)
+{
+        struct kvm_run *run = vcpu_state(vm, VCPU_ID);
+
+        set_msr_platform_info_enabled(vm, false);
+        vcpu_run(vm, VCPU_ID);
+        TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN,
+                        "Exit_reason other than KVM_EXIT_SHUTDOWN: %u (%s)\n",
+                        run->exit_reason,
+                        exit_reason_str(run->exit_reason));
+}
+
+int main(int argc, char *argv[])
+{
+        struct kvm_vm *vm;
+        struct kvm_run *state;
+        int rv;
+        uint64_t msr_platform_info;
+
+        /* Tell stdout not to buffer its content */
+        setbuf(stdout, NULL);
+
+        rv = kvm_check_cap(KVM_CAP_MSR_PLATFORM_INFO);
+        if (!rv) {
+                fprintf(stderr,
+                        "KVM_CAP_MSR_PLATFORM_INFO not supported, skip test\n");
+                exit(KSFT_SKIP);
+        }
+
+        vm = vm_create_default(VCPU_ID, 0, guest_code);
+
+        msr_platform_info = vcpu_get_msr(vm, VCPU_ID, MSR_PLATFORM_INFO);
+        vcpu_set_msr(vm, VCPU_ID, MSR_PLATFORM_INFO,
+                msr_platform_info | MSR_PLATFORM_INFO_MAX_TURBO_RATIO);
+        test_msr_platform_info_disabled(vm);
+        test_msr_platform_info_enabled(vm);
+        vcpu_set_msr(vm, VCPU_ID, MSR_PLATFORM_INFO, msr_platform_info);
+
+        kvm_vm_free(vm);
+
+        return 0;
+}
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 17ab36605a8e..0a8e75886224 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -16,8 +16,20 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
 TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
 TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
 
+top_srcdir ?= ../../../..
+include $(top_srcdir)/scripts/subarch.include
+ARCH            ?= $(SUBARCH)
+
 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
 
+.PHONY: khdr
+khdr:
+        make ARCH=$(ARCH) -C $(top_srcdir) headers_install
+
+ifdef KSFT_KHDR_INSTALL
+$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES):| khdr
+endif
+
 .ONESHELL:
 define RUN_TEST_PRINT_RESULT
         TEST_HDR_MSG="selftests: "`basename $$PWD`:" $$BASENAME_TEST";  \
diff --git a/tools/testing/selftests/memory-hotplug/config b/tools/testing/selftests/memory-hotplug/config
index 2fde30191a47..a7e8cd5bb265 100644
--- a/tools/testing/selftests/memory-hotplug/config
+++ b/tools/testing/selftests/memory-hotplug/config
@@ -2,3 +2,4 @@ CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTPLUG_SPARSE=y
 CONFIG_NOTIFIER_ERROR_INJECTION=y
 CONFIG_MEMORY_NOTIFIER_ERROR_INJECT=m
+CONFIG_MEMORY_HOTREMOVE=y
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 9cca68e440a0..919aa2ac00af 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -15,6 +15,7 @@ TEST_GEN_FILES += udpgso udpgso_bench_tx udpgso_bench_rx
 TEST_GEN_PROGS = reuseport_bpf reuseport_bpf_cpu reuseport_bpf_numa
 TEST_GEN_PROGS += reuseport_dualstack reuseaddr_conflict tls
 
+KSFT_KHDR_INSTALL := 1
 include ../lib.mk
 
 $(OUTPUT)/reuseport_bpf_numa: LDFLAGS += -lnuma
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 32a194e3e07a..0ab9423d009f 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -178,8 +178,8 @@ setup() {
 
 cleanup() {
         [ ${cleanup_done} -eq 1 ] && return
-        ip netns del ${NS_A} 2 > /dev/null
-        ip netns del ${NS_B} 2 > /dev/null
+        ip netns del ${NS_A} 2> /dev/null
+        ip netns del ${NS_B} 2> /dev/null
         cleanup_done=1
 }
 
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index b3ebf2646e52..8fdfeafaf8c0 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -502,6 +502,55 @@ TEST_F(tls, recv_peek_multiple)
         EXPECT_EQ(memcmp(test_str, buf, send_len), 0);
 }
 
+TEST_F(tls, recv_peek_multiple_records)
+{
+        char const *test_str = "test_read_peek_mult_recs";
+        char const *test_str_first = "test_read_peek";
+        char const *test_str_second = "_mult_recs";
+        int len;
+        char buf[64];
+
+        len = strlen(test_str_first);
+        EXPECT_EQ(send(self->fd, test_str_first, len, 0), len);
+
+        len = strlen(test_str_second) + 1;
+        EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
+
+        len = sizeof(buf);
+        memset(buf, 0, len);
+        EXPECT_NE(recv(self->cfd, buf, len, MSG_PEEK), -1);
+
+        /* MSG_PEEK can only peek into the current record. */
+        len = strlen(test_str_first) + 1;
+        EXPECT_EQ(memcmp(test_str_first, buf, len), 0);
+
+        len = sizeof(buf);
+        memset(buf, 0, len);
+        EXPECT_NE(recv(self->cfd, buf, len, 0), -1);
+
+        /* Non-MSG_PEEK will advance strparser (and therefore record)
+         * however.
+         */
+        len = strlen(test_str) + 1;
+        EXPECT_EQ(memcmp(test_str, buf, len), 0);
+
+        /* MSG_MORE will hold current record open, so later MSG_PEEK
+         * will see everything.
+         */
+        len = strlen(test_str_first);
+        EXPECT_EQ(send(self->fd, test_str_first, len, MSG_MORE), len);
+
+        len = strlen(test_str_second) + 1;
+        EXPECT_EQ(send(self->fd, test_str_second, len, 0), len);
+
+        len = sizeof(buf);
+        memset(buf, 0, len);
+        EXPECT_NE(recv(self->cfd, buf, len, MSG_PEEK), -1);
+
+        len = strlen(test_str) + 1;
+        EXPECT_EQ(memcmp(test_str, buf, len), 0);
+}
+
 TEST_F(tls, pollin)
 {
         char const *test_str = "test_poll";
diff --git a/tools/testing/selftests/networking/timestamping/Makefile b/tools/testing/selftests/networking/timestamping/Makefile
index a728040edbe1..14cfcf006936 100644
--- a/tools/testing/selftests/networking/timestamping/Makefile
+++ b/tools/testing/selftests/networking/timestamping/Makefile
@@ -5,6 +5,7 @@ TEST_PROGS := hwtstamp_config rxtimestamp timestamping txtimestamp
 
 all: $(TEST_PROGS)
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 clean:
diff --git a/tools/testing/selftests/powerpc/alignment/Makefile b/tools/testing/selftests/powerpc/alignment/Makefile
index 93baacab7693..d056486f49de 100644
--- a/tools/testing/selftests/powerpc/alignment/Makefile
+++ b/tools/testing/selftests/powerpc/alignment/Makefile
@@ -1,5 +1,6 @@
 TEST_GEN_PROGS := copy_first_unaligned alignment_handler
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): ../harness.c ../utils.c
diff --git a/tools/testing/selftests/powerpc/benchmarks/Makefile b/tools/testing/selftests/powerpc/benchmarks/Makefile
index b4d7432a0ecd..d40300a65b42 100644
--- a/tools/testing/selftests/powerpc/benchmarks/Makefile
+++ b/tools/testing/selftests/powerpc/benchmarks/Makefile
@@ -4,6 +4,7 @@ TEST_GEN_FILES := exec_target
 
 CFLAGS += -O2
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/powerpc/cache_shape/Makefile b/tools/testing/selftests/powerpc/cache_shape/Makefile
index 1be547434a49..ede4d3dae750 100644
--- a/tools/testing/selftests/powerpc/cache_shape/Makefile
+++ b/tools/testing/selftests/powerpc/cache_shape/Makefile
@@ -5,6 +5,7 @@ all: $(TEST_PROGS)
 
 $(TEST_PROGS): ../harness.c ../utils.c
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 clean:
diff --git a/tools/testing/selftests/powerpc/copyloops/Makefile b/tools/testing/selftests/powerpc/copyloops/Makefile
index 1cf89a34d97c..44574f3818b3 100644
--- a/tools/testing/selftests/powerpc/copyloops/Makefile
+++ b/tools/testing/selftests/powerpc/copyloops/Makefile
@@ -17,6 +17,7 @@ TEST_GEN_PROGS := copyuser_64_t0 copyuser_64_t1 copyuser_64_t2 \
 
 EXTRA_SOURCES := validate.c ../harness.c stubs.S
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(OUTPUT)/copyuser_64_t%:       copyuser_64.S $(EXTRA_SOURCES)
diff --git a/tools/testing/selftests/powerpc/dscr/Makefile b/tools/testing/selftests/powerpc/dscr/Makefile
index 55d7db7a616b..5df476364b4d 100644
--- a/tools/testing/selftests/powerpc/dscr/Makefile
+++ b/tools/testing/selftests/powerpc/dscr/Makefile
@@ -3,6 +3,7 @@ TEST_GEN_PROGS := dscr_default_test dscr_explicit_test dscr_user_test	\
               dscr_inherit_test dscr_inherit_exec_test dscr_sysfs_test  \
               dscr_sysfs_thread_test
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(OUTPUT)/dscr_default_test: LDLIBS += -lpthread
diff --git a/tools/testing/selftests/powerpc/math/Makefile b/tools/testing/selftests/powerpc/math/Makefile
index 0dd3a01fdab9..11a10d7a2bbd 100644
--- a/tools/testing/selftests/powerpc/math/Makefile
+++ b/tools/testing/selftests/powerpc/math/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 TEST_GEN_PROGS := fpu_syscall fpu_preempt fpu_signal vmx_syscall vmx_preempt vmx_signal vsx_preempt
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/powerpc/mm/Makefile b/tools/testing/selftests/powerpc/mm/Makefile
index 8ebbe96d80a8..33ced6e0ad25 100644
--- a/tools/testing/selftests/powerpc/mm/Makefile
+++ b/tools/testing/selftests/powerpc/mm/Makefile
@@ -5,6 +5,7 @@ noarg:
 TEST_GEN_PROGS := hugetlb_vs_thp_test subpage_prot prot_sao segv_errors
 TEST_GEN_FILES := tempfile
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/powerpc/pmu/Makefile b/tools/testing/selftests/powerpc/pmu/Makefile
index 6e1629bf5b09..19046db995fe 100644
--- a/tools/testing/selftests/powerpc/pmu/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/Makefile
@@ -5,6 +5,7 @@ noarg:
 TEST_GEN_PROGS := count_instructions l3_bank_test per_event_excludes
 EXTRA_SOURCES := ../harness.c event.c lib.c ../utils.c
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 all: $(TEST_GEN_PROGS) ebb
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/Makefile b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
index c4e64bc2e265..bd5dfa509272 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/Makefile
+++ b/tools/testing/selftests/powerpc/pmu/ebb/Makefile
@@ -17,6 +17,7 @@ TEST_GEN_PROGS := reg_access_test event_attributes_test cycles_test	\
          lost_exception_test no_handler_test                    \
          cycles_with_mmcr2_test
 
+top_srcdir = ../../../../../..
 include ../../../lib.mk
 
 $(TEST_GEN_PROGS): ../../harness.c ../../utils.c ../event.c ../lib.c \
diff --git a/tools/testing/selftests/powerpc/primitives/Makefile b/tools/testing/selftests/powerpc/primitives/Makefile
index 175366db7be8..ea2b7bd09e36 100644
--- a/tools/testing/selftests/powerpc/primitives/Makefile
+++ b/tools/testing/selftests/powerpc/primitives/Makefile
@@ -2,6 +2,7 @@ CFLAGS += -I$(CURDIR)
 
 TEST_GEN_PROGS := load_unaligned_zeropad
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/powerpc/ptrace/Makefile b/tools/testing/selftests/powerpc/ptrace/Makefile
index 28f5b781a553..923d531265f8 100644
--- a/tools/testing/selftests/powerpc/ptrace/Makefile
+++ b/tools/testing/selftests/powerpc/ptrace/Makefile
@@ -4,6 +4,7 @@ TEST_PROGS := ptrace-gpr ptrace-tm-gpr ptrace-tm-spd-gpr \
               ptrace-tm-spd-vsx ptrace-tm-spr ptrace-hwbreak ptrace-pkey core-pkey \
               perf-hwbreak
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 all: $(TEST_PROGS)
diff --git a/tools/testing/selftests/powerpc/signal/Makefile b/tools/testing/selftests/powerpc/signal/Makefile
index a7cbd5082e27..1fca25c6ace0 100644
--- a/tools/testing/selftests/powerpc/signal/Makefile
+++ b/tools/testing/selftests/powerpc/signal/Makefile
@@ -8,6 +8,7 @@ $(TEST_PROGS): ../harness.c ../utils.c signal.S
 CFLAGS += -maltivec
 signal_tm: CFLAGS += -mhtm
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 clean:
diff --git a/tools/testing/selftests/powerpc/stringloops/Makefile b/tools/testing/selftests/powerpc/stringloops/Makefile
index 10b35c87a4f4..7fc0623d85c3 100644
--- a/tools/testing/selftests/powerpc/stringloops/Makefile
+++ b/tools/testing/selftests/powerpc/stringloops/Makefile
@@ -29,6 +29,7 @@ endif
 
 ASFLAGS = $(CFLAGS)
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): $(EXTRA_SOURCES)
diff --git a/tools/testing/selftests/powerpc/switch_endian/Makefile b/tools/testing/selftests/powerpc/switch_endian/Makefile
index 30b8ff8fb82e..fcd2dcb8972b 100644
--- a/tools/testing/selftests/powerpc/switch_endian/Makefile
+++ b/tools/testing/selftests/powerpc/switch_endian/Makefile
@@ -5,6 +5,7 @@ ASFLAGS += -O2 -Wall -g -nostdlib -m64
 
 EXTRA_CLEAN = $(OUTPUT)/*.o $(OUTPUT)/check-reversed.S
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(OUTPUT)/switch_endian_test: $(OUTPUT)/check-reversed.S
diff --git a/tools/testing/selftests/powerpc/syscalls/Makefile b/tools/testing/selftests/powerpc/syscalls/Makefile
index da22ca7c38c1..161b8846336f 100644
--- a/tools/testing/selftests/powerpc/syscalls/Makefile
+++ b/tools/testing/selftests/powerpc/syscalls/Makefile
@@ -2,6 +2,7 @@ TEST_GEN_PROGS := ipc_unmuxed
 
 CFLAGS += -I../../../../../usr/include
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile
index c0e45d2dde25..9fc2cf6fbc92 100644
--- a/tools/testing/selftests/powerpc/tm/Makefile
+++ b/tools/testing/selftests/powerpc/tm/Makefile
@@ -6,6 +6,7 @@ TEST_GEN_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack
         tm-vmxcopy tm-fork tm-tar tm-tmspr tm-vmx-unavail tm-unavailable tm-trap \
         $(SIGNAL_CONTEXT_CHK_TESTS) tm-sigreturn
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): ../harness.c ../utils.c
diff --git a/tools/testing/selftests/powerpc/vphn/Makefile b/tools/testing/selftests/powerpc/vphn/Makefile
index f8ced26748f8..fb82068c9fda 100644
--- a/tools/testing/selftests/powerpc/vphn/Makefile
+++ b/tools/testing/selftests/powerpc/vphn/Makefile
@@ -2,6 +2,7 @@ TEST_GEN_PROGS := test-vphn
 
 CFLAGS += -m64
 
+top_srcdir = ../../../../..
 include ../../lib.mk
 
 $(TEST_GEN_PROGS): ../harness.c
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index 9881876d2aa0..e94b7b14bcb2 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -26,10 +26,6 @@ TEST_PROGS := run_vmtests
 
 include ../lib.mk
 
-$(OUTPUT)/userfaultfd: ../../../../usr/include/linux/kernel.h
 $(OUTPUT)/userfaultfd: LDLIBS += -lpthread
 
 $(OUTPUT)/mlock-random-test: LDLIBS += -lcap
-
-../../../../usr/include/linux/kernel.h:
-        make -C ../../../.. headers_install