Merge tag 'v5.2-rc2' into patchwork

Merge back from upstream into media tree, as there are some
patches merged upstream that has pontential of causing
conflicts (one actually rised a conflict already).

Linux 5.2-rc2

* tag 'v5.2-rc2': (377 commits)
  Linux 5.2-rc2
  random: fix soft lockup when trying to read from an uninitialized blocking pool
  tracing: Silence GCC 9 array bounds warning
  ext4: fix dcache lookup of !casefolded directories
  locking/lock_events: Use this_cpu_add() when necessary
  KVM: x86: fix return value for reserved EFER
  tools/kvm_stat: fix fields filter for child events
  KVM: selftests: Wrap vcpu_nested_state_get/set functions with x86 guard
  kvm: selftests: aarch64: compile with warnings on
  kvm: selftests: aarch64: fix default vm mode
  kvm: selftests: aarch64: dirty_log_test: fix unaligned memslot size
  KVM: s390: fix memory slot handling for KVM_SET_USER_MEMORY_REGION
  KVM: x86/pmu: do not mask the value that is written to fixed PMUs
  KVM: x86/pmu: mask the result of rdpmc according to the width of the counters
  x86/kvm/pmu: Set AMD's virt PMU version to 1
  KVM: x86: do not spam dmesg with VMCS/VMCB dumps
  kvm: Check irqchip mode before assign irqfd
  kvm: svm/avic: fix off-by-one in checking host APIC ID
  KVM: selftests: do not blindly clobber registers in guest asm
  KVM: selftests: Remove duplicated TEST_ASSERT in hyperv_cpuid.c
  ...

30 files changed, 30 insertions, 101 deletions

diff --git a/samples/Kconfig b/samples/Kconfig
index 0561a94f6fdb..d63cc8a3e0df 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 menuconfig SAMPLES
 	bool "Sample kernel code"
 	depends on !UML
diff --git a/samples/binderfs/Makefile b/samples/binderfs/Makefile
index 01ca9f2529a7..ea4c93d36256 100644
--- a/samples/binderfs/Makefile
+++ b/samples/binderfs/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs_example.o
diff --git a/samples/configfs/Makefile b/samples/configfs/Makefile
index a9afd99630fc..92d661fcba6d 100644
--- a/samples/configfs/Makefile
+++ b/samples/configfs/Makefile
@@ -1,2 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
 
 obj-$(CONFIG_SAMPLE_CONFIGFS) += configfs_sample.o
diff --git a/samples/hw_breakpoint/Makefile b/samples/hw_breakpoint/Makefile
index 0f5c31c2fc47..ef4b6fdd7d9c 100644
--- a/samples/hw_breakpoint/Makefile
+++ b/samples/hw_breakpoint/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_HW_BREAKPOINT) += data_breakpoint.o
diff --git a/samples/kdb/Makefile b/samples/kdb/Makefile
index fbedf39d9356..947cb852279c 100644
--- a/samples/kdb/Makefile
+++ b/samples/kdb/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_KDB) += kdb_hello.o
diff --git a/samples/kfifo/Makefile b/samples/kfifo/Makefile
index bcc9484a15b2..0af5250ad944 100644
--- a/samples/kfifo/Makefile
+++ b/samples/kfifo/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_KFIFO) += bytestream-example.o dma-example.o inttype-example.o record-example.o
diff --git a/samples/kobject/Makefile b/samples/kobject/Makefile
index 4a194203c982..bb5d2199742b 100644
--- a/samples/kobject/Makefile
+++ b/samples/kobject/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_KOBJECT) += kobject-example.o kset-example.o
diff --git a/samples/kprobes/Makefile b/samples/kprobes/Makefile
index 880e54d2c082..e774592718d6 100644
--- a/samples/kprobes/Makefile
+++ b/samples/kprobes/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 # builds the kprobes example kernel modules;
 # then to use one (as root):  insmod <module_name.ko>
 
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index 02be8984c32f..d693c23a85e8 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * NOTE: This example is works on x86 and powerpc.
  * Here's a sample kernel module showing the use of kprobes to dump a
diff --git a/samples/kprobes/kretprobe_example.c b/samples/kprobes/kretprobe_example.c
index 7f9060f435cd..186315ca88b3 100644
--- a/samples/kprobes/kretprobe_example.c
+++ b/samples/kprobes/kretprobe_example.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * kretprobe_example.c
  *
diff --git a/samples/livepatch/Makefile b/samples/livepatch/Makefile
index 2472ce39a18d..9f853eeb6140 100644
--- a/samples/livepatch/Makefile
+++ b/samples/livepatch/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-sample.o
 obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-mod.o
 obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-shadow-fix1.o
diff --git a/samples/livepatch/livepatch-callbacks-busymod.c b/samples/livepatch/livepatch-callbacks-busymod.c
index 80d06e103f1b..378e2d40271a 100644
--- a/samples/livepatch/livepatch-callbacks-busymod.c
+++ b/samples/livepatch/livepatch-callbacks-busymod.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
diff --git a/samples/livepatch/livepatch-callbacks-demo.c b/samples/livepatch/livepatch-callbacks-demo.c
index 62d97953ad02..11c3f4357812 100644
--- a/samples/livepatch/livepatch-callbacks-demo.c
+++ b/samples/livepatch/livepatch-callbacks-demo.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
diff --git a/samples/livepatch/livepatch-callbacks-mod.c b/samples/livepatch/livepatch-callbacks-mod.c
index e610ce29ba44..2a074f422a51 100644
--- a/samples/livepatch/livepatch-callbacks-mod.c
+++ b/samples/livepatch/livepatch-callbacks-mod.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
diff --git a/samples/livepatch/livepatch-sample.c b/samples/livepatch/livepatch-sample.c
index 01c9cf003ca2..cd76d7ebe598 100644
--- a/samples/livepatch/livepatch-sample.c
+++ b/samples/livepatch/livepatch-sample.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * livepatch-sample.c - Kernel Live Patching Sample Module
  *
  * Copyright (C) 2014 Seth Jennings <sjenning@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
diff --git a/samples/livepatch/livepatch-shadow-fix1.c b/samples/livepatch/livepatch-shadow-fix1.c
index 67a73e5e986e..e89ca4546114 100644
--- a/samples/livepatch/livepatch-shadow-fix1.c
+++ b/samples/livepatch/livepatch-shadow-fix1.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
diff --git a/samples/livepatch/livepatch-shadow-fix2.c b/samples/livepatch/livepatch-shadow-fix2.c
index 91c21d52cfea..50d223b82e8b 100644
--- a/samples/livepatch/livepatch-shadow-fix2.c
+++ b/samples/livepatch/livepatch-shadow-fix2.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
diff --git a/samples/livepatch/livepatch-shadow-mod.c b/samples/livepatch/livepatch-shadow-mod.c
index 4d79c6dc055b..ecfe83a943a7 100644
--- a/samples/livepatch/livepatch-shadow-mod.c
+++ b/samples/livepatch/livepatch-shadow-mod.c
@@ -1,18 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2017 Joe Lawrence <joe.lawrence@redhat.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
 /*
diff --git a/samples/qmi/Makefile b/samples/qmi/Makefile
index 2b111d2769df..641943d40c4a 100644
--- a/samples/qmi/Makefile
+++ b/samples/qmi/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_QMI_CLIENT) += qmi_sample_client.o
diff --git a/samples/rpmsg/Makefile b/samples/rpmsg/Makefile
index 2d4973c69663..ddf9a5d13cad 100644
--- a/samples/rpmsg/Makefile
+++ b/samples/rpmsg/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_RPMSG_CLIENT) += rpmsg_client_sample.o
diff --git a/samples/trace_events/Makefile b/samples/trace_events/Makefile
index 0f8d92120c4e..b78344e7bbed 100644
--- a/samples/trace_events/Makefile
+++ b/samples/trace_events/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 # builds the trace events example kernel modules;
 # then to use one (as root):  insmod <module_name.ko>
 
diff --git a/samples/trace_events/trace-events-sample.c b/samples/trace_events/trace-events-sample.c
index 5522692100ba..1da597aa6141 100644
--- a/samples/trace_events/trace-events-sample.c
+++ b/samples/trace_events/trace-events-sample.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/module.h>
 #include <linux/kthread.h>
 
diff --git a/samples/trace_printk/Makefile b/samples/trace_printk/Makefile
index 19900ab2b00d..c0df36167d60 100644
--- a/samples/trace_printk/Makefile
+++ b/samples/trace_printk/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 # builds a module that calls various trace_printk routines
 # then to use one (as root):  insmod <module_name.ko>
 
diff --git a/samples/trace_printk/trace-printk.c b/samples/trace_printk/trace-printk.c
index e9e0040ff7be..7affc3b50b61 100644
--- a/samples/trace_printk/trace-printk.c
+++ b/samples/trace_printk/trace-printk.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 #include <linux/module.h>
 #include <linux/kthread.h>
 #include <linux/irq_work.h>
diff --git a/samples/uhid/Makefile b/samples/uhid/Makefile
index 8d7fd6190ac4..8c9bc9f98d37 100644
--- a/samples/uhid/Makefile
+++ b/samples/uhid/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 # List of programs to build
 hostprogs-y := uhid-example
 
diff --git a/samples/v4l/Makefile b/samples/v4l/Makefile
index 65a351d75c95..f86ab1245810 100644
--- a/samples/v4l/Makefile
+++ b/samples/v4l/Makefile
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_VIDEO_PCI_SKELETON) := v4l2-pci-skeleton.o
diff --git a/samples/vfio-mdev/Makefile b/samples/vfio-mdev/Makefile
index 7db889ca135c..10d179c4fdeb 100644
--- a/samples/vfio-mdev/Makefile
+++ b/samples/vfio-mdev/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_SAMPLE_VFIO_MDEV_MTTY) += mtty.o
 obj-$(CONFIG_SAMPLE_VFIO_MDEV_MDPY) += mdpy.o
 obj-$(CONFIG_SAMPLE_VFIO_MDEV_MDPY_FB) += mdpy-fb.o
diff --git a/samples/vfs/Makefile b/samples/vfs/Makefile
index a3e4ffd4c773..e21c9f6fe9be 100644
--- a/samples/vfs/Makefile
+++ b/samples/vfs/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 # List of programs to build
 hostprogs-y := \
 	test-fsmount \
diff --git a/samples/vfs/test-fsmount.c b/samples/vfs/test-fsmount.c
index 266d72b3dce4..50f47b72e85f 100644
--- a/samples/vfs/test-fsmount.c
+++ b/samples/vfs/test-fsmount.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* fd-based mount test.
  *
  * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
  */
 
 #include <stdio.h>
diff --git a/samples/vfs/test-statx.c b/samples/vfs/test-statx.c
index e91f918e84c4..a3d68159fb51 100644
--- a/samples/vfs/test-statx.c
+++ b/samples/vfs/test-statx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* Test the statx() system call.
  *
  * Note that the output of this program is intended to look like the output of
@@ -5,11 +6,6 @@
  *
  * Copyright (C) 2015 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
  */
 
 #define _GNU_SOURCE