Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

No conflicts.

Signed-off-by: Jakub Kicinski <[email protected]>

Documentation/admin-guide/blockdev/drbd/figures.rst

@@ -25,6 +25,6 @@ Sub graphs of DRBD's state transitions
     :alt:   disk-states-8.dot
     :align: center
 
-.. kernel-figure:: node-states-8.dot
-    :alt:   node-states-8.dot
+.. kernel-figure:: peer-states-8.dot
+    :alt:   peer-states-8.dot
     :align: center

Documentation/admin-guide/blockdev/drbd/node-states-8.dot → Documentation/admin-guide/blockdev/drbd/peer-states-8.dot

@@ -1,8 +1,3 @@
-digraph node_states {
-	Secondary -> Primary           [ label = "ioctl_set_state()" ]
-	Primary   -> Secondary 	       [ label = "ioctl_set_state()" ]
-}
-
 digraph peer_states {
 	Secondary -> Primary           [ label = "recv state packet" ]
 	Primary   -> Secondary 	       [ label = "recv state packet" ]

Documentation/arm64/pointer-authentication.rst

@@ -53,11 +53,10 @@ The number of bits that the PAC occupies in a pointer is 55 minus the
 virtual address size configured by the kernel. For example, with a
 virtual address size of 48, the PAC is 7 bits wide.
 
-Recent versions of GCC can compile code with APIAKey-based return
-address protection when passed the -msign-return-address option. This
-uses instructions in the HINT space (unless -march=armv8.3-a or higher
-is also passed), and such code can run on systems without the pointer
-authentication extension.
+When ARM64_PTR_AUTH_KERNEL is selected, the kernel will be compiled
+with HINT space pointer authentication instructions protecting
+function returns. Kernels built with this option will work on hardware
+with or without pointer authentication support.
 
 In addition to exec(), keys can also be reinitialized to random values
 using the PR_PAC_RESET_KEYS prctl. A bitmask of PR_PAC_APIAKEY,

Documentation/conf.py

@@ -249,11 +249,16 @@
 
 html_static_path = ['sphinx-static']
 
-html_context = {
-    'css_files': [
-        '_static/theme_overrides.css',
-    ],
-}
+html_css_files = [
+    'theme_overrides.css',
+]
+
+if major <= 1 and minor < 8:
+    html_context = {
+        'css_files': [
+            '_static/theme_overrides.css',
+        ],
+    }
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied

Documentation/cpu-freq/core.rst

@@ -73,12 +73,12 @@ CPUFREQ_POSTCHANGE.
 The third argument is a struct cpufreq_freqs with the following
 values:
 
-=====	===========================
-cpu	number of the affected CPU
+======	======================================
+policy	a pointer to the struct cpufreq_policy
 old	old frequency
 new	new frequency
 flags	flags of the cpufreq driver
-=====	===========================
+======	======================================
 
 3. CPUFreq Table Generation with Operating Performance Point (OPP)
 ==================================================================

Documentation/devicetree/bindings/spi/spi-rockchip.yaml

@@ -33,6 +33,7 @@ properties:
               - rockchip,rk3328-spi
               - rockchip,rk3368-spi
               - rockchip,rk3399-spi
+              - rockchip,rk3568-spi
               - rockchip,rv1126-spi
           - const: rockchip,rk3066-spi
 

Documentation/locking/locktypes.rst

@@ -439,11 +439,9 @@ preemption. The following substitution works on both kernels::
   spin_lock(&p->lock);
   p->count += this_cpu_read(var2);
 
-On a non-PREEMPT_RT kernel migrate_disable() maps to preempt_disable()
-which makes the above code fully equivalent. On a PREEMPT_RT kernel
 migrate_disable() ensures that the task is pinned on the current CPU which
 in turn guarantees that the per-CPU access to var1 and var2 are staying on
-the same CPU.
+the same CPU while the task remains preemptible.
 
 The migrate_disable() substitution is not valid for the following
 scenario::
@@ -456,9 +454,8 @@ scenario::
     p = this_cpu_ptr(&var1);
     p->val = func2();
 
-While correct on a non-PREEMPT_RT kernel, this breaks on PREEMPT_RT because
-here migrate_disable() does not protect against reentrancy from a
-preempting task. A correct substitution for this case is::
+This breaks because migrate_disable() does not protect against reentrancy from
+a preempting task. A correct substitution for this case is::
 
   func()
   {

Documentation/process/changes.rst

@@ -35,6 +35,7 @@ GNU make               3.81             make --version
 binutils               2.23             ld -v
 flex                   2.5.35           flex --version
 bison                  2.0              bison --version
+pahole                 1.16             pahole --version
 util-linux             2.10o            fdformat --version
 kmod                   13               depmod -V
 e2fsprogs              1.41.4           e2fsck -V
@@ -108,6 +109,16 @@ Bison
 Since Linux 4.16, the build system generates parsers
 during build.  This requires bison 2.0 or later.
 
+pahole:
+-------
+
+Since Linux 5.2, if CONFIG_DEBUG_INFO_BTF is selected, the build system
+generates BTF (BPF Type Format) from DWARF in vmlinux, a bit later from kernel
+modules as well.  This requires pahole v1.16 or later.
+
+It is found in the 'dwarves' or 'pahole' distro packages or from
+https://fedorapeople.org/~acme/dwarves/.
+
 Perl
 ----
 

Documentation/process/submitting-patches.rst

@@ -14,7 +14,8 @@ works, see Documentation/process/development-process.rst. Also, read
 Documentation/process/submit-checklist.rst
 for a list of items to check before submitting code.  If you are submitting
 a driver, also read Documentation/process/submitting-drivers.rst; for device
-tree binding patches, read Documentation/process/submitting-patches.rst.
+tree binding patches, read
+Documentation/devicetree/bindings/submitting-patches.rst.
 
 This documentation assumes that you're using ``git`` to prepare your patches.
 If you're unfamiliar with ``git``, you would be well-advised to learn how to

MAINTAINERS

@@ -12180,8 +12180,8 @@ F:	drivers/net/ethernet/mellanox/mlx5/core/fpga/*
 F:	include/linux/mlx5/mlx5_ifc_fpga.h
 
 MELLANOX ETHERNET SWITCH DRIVERS
-M:	Jiri Pirko <[email protected]>
 M:	Ido Schimmel <[email protected]>
+M:	Petr Machata <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://www.mellanox.com
@@ -16517,6 +16517,12 @@ T:	git git://linuxtv.org/media_tree.git
 F:	Documentation/devicetree/bindings/media/allwinner,sun8i-a83t-de2-rotate.yaml
 F:	drivers/media/platform/sunxi/sun8i-rotate/
 
+RPMSG TTY DRIVER
+M:	Arnaud Pouliquen <[email protected]>
+L:	[email protected]
+S:	Maintained
+F:	drivers/tty/rpmsg_tty.c
+
 RTL2830 MEDIA DRIVER
 M:	Antti Palosaari <[email protected]>
 L:	[email protected]
@@ -16638,7 +16644,6 @@ W:	http://www.ibm.com/developerworks/linux/linux390/
 F:	drivers/iommu/s390-iommu.c
 
 S390 IUCV NETWORK LAYER
-M:	Julian Wiedmann <[email protected]>
 M:	Alexandra Winter <[email protected]>
 M:	Wenjia Zhang <[email protected]>
 L:	[email protected]
@@ -16650,7 +16655,6 @@ F:	include/net/iucv/
 F:	net/iucv/
 
 S390 NETWORK DRIVERS
-M:	Julian Wiedmann <[email protected]>
 M:	Alexandra Winter <[email protected]>
 M:	Wenjia Zhang <[email protected]>
 L:	[email protected]

Makefile

@@ -2,7 +2,7 @@
 VERSION = 5
 PATCHLEVEL = 16
 SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc4
 NAME = Gobble Gobble
 
 # *DOCUMENTATION*
@@ -789,7 +789,7 @@ stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG)      := -fstack-protector-strong
 KBUILD_CFLAGS += $(stackp-flags-y)
 
 KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
-KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
+KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH:"%"=%)
 
 ifdef CONFIG_CC_IS_CLANG
 KBUILD_CPPFLAGS += -Qunused-arguments

arch/arm64/kernel/entry-ftrace.S

@@ -77,11 +77,17 @@
 	.endm
 
 SYM_CODE_START(ftrace_regs_caller)
+#ifdef BTI_C
+	BTI_C
+#endif
 	ftrace_regs_entry	1
 	b	ftrace_common
 SYM_CODE_END(ftrace_regs_caller)
 
 SYM_CODE_START(ftrace_caller)
+#ifdef BTI_C
+	BTI_C
+#endif
 	ftrace_regs_entry	0
 	b	ftrace_common
 SYM_CODE_END(ftrace_caller)

arch/arm64/kernel/machine_kexec.c

@@ -147,7 +147,7 @@ int machine_kexec_post_load(struct kimage *kimage)
 	if (rc)
 		return rc;
 	kimage->arch.ttbr1 = __pa(trans_pgd);
-	kimage->arch.zero_page = __pa(empty_zero_page);
+	kimage->arch.zero_page = __pa_symbol(empty_zero_page);
 
 	reloc_size = __relocate_new_kernel_end - __relocate_new_kernel_start;
 	memcpy(reloc_code, __relocate_new_kernel_start, reloc_size);

arch/mips/net/bpf_jit_comp.h

@@ -98,7 +98,7 @@ do {								\
 #define emit(...) __emit(__VA_ARGS__)
 
 /* Workaround for R10000 ll/sc errata */
-#ifdef CONFIG_WAR_R10000
+#ifdef CONFIG_WAR_R10000_LLSC
 #define LLSC_beqz	beqzl
 #else
 #define LLSC_beqz	beqz

arch/parisc/Makefile

@@ -15,7 +15,12 @@
 # Mike Shaver, Helge Deller and Martin K. Petersen
 #
 
+ifdef CONFIG_PARISC_SELF_EXTRACT
+boot := arch/parisc/boot
+KBUILD_IMAGE := $(boot)/bzImage
+else
 KBUILD_IMAGE := vmlinuz
+endif
 
 NM		= sh $(srctree)/arch/parisc/nm
 CHECKFLAGS	+= -D__hppa__=1

arch/parisc/configs/generic-64bit_defconfig

@@ -1,7 +1,9 @@
 CONFIG_LOCALVERSION="-64bit"
 # CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_KERNEL_LZ4=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
+CONFIG_AUDIT=y
 CONFIG_BSD_PROCESS_ACCT=y
 CONFIG_BSD_PROCESS_ACCT_V3=y
 CONFIG_TASKSTATS=y
@@ -35,6 +37,7 @@ CONFIG_MODVERSIONS=y
 CONFIG_BLK_DEV_INTEGRITY=y
 CONFIG_BINFMT_MISC=m
 # CONFIG_COMPACTION is not set
+CONFIG_MEMORY_FAILURE=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -65,12 +68,15 @@ CONFIG_SCSI_ISCSI_ATTRS=y
 CONFIG_SCSI_SRP_ATTRS=y
 CONFIG_ISCSI_BOOT_SYSFS=y
 CONFIG_SCSI_MPT2SAS=y
-CONFIG_SCSI_LASI700=m
+CONFIG_SCSI_LASI700=y
 CONFIG_SCSI_SYM53C8XX_2=y
 CONFIG_SCSI_ZALON=y
 CONFIG_SCSI_QLA_ISCSI=m
 CONFIG_SCSI_DH=y
 CONFIG_ATA=y
+CONFIG_SATA_SIL=y
+CONFIG_SATA_SIS=y
+CONFIG_SATA_VIA=y
 CONFIG_PATA_NS87415=y
 CONFIG_PATA_SIL680=y
 CONFIG_ATA_GENERIC=y
@@ -79,6 +85,7 @@ CONFIG_MD_LINEAR=m
 CONFIG_BLK_DEV_DM=m
 CONFIG_DM_RAID=m
 CONFIG_DM_UEVENT=y
+CONFIG_DM_AUDIT=y
 CONFIG_FUSION=y
 CONFIG_FUSION_SPI=y
 CONFIG_FUSION_SAS=y
@@ -196,10 +203,15 @@ CONFIG_FB_MATROX_G=y
 CONFIG_FB_MATROX_I2C=y
 CONFIG_FB_MATROX_MAVEN=y
 CONFIG_FB_RADEON=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_CLUT224 is not set
 CONFIG_HIDRAW=y
 CONFIG_HID_PID=y
 CONFIG_USB_HIDDEV=y
 CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_HCD_PLATFORM=y
 CONFIG_UIO=y
 CONFIG_UIO_PDRV_GENIRQ=m
 CONFIG_UIO_AEC=m

arch/parisc/install.sh

@@ -39,6 +39,7 @@ verify "$3"
 if [ -n "${INSTALLKERNEL}" ]; then
   if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
   if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
+  if [ -x /usr/sbin/${INSTALLKERNEL} ]; then exec /usr/sbin/${INSTALLKERNEL} "$@"; fi
 fi
 
 # Default install

arch/parisc/kernel/time.c

@@ -249,30 +249,16 @@ void __init time_init(void)
 static int __init init_cr16_clocksource(void)
 {
 	/*
-	 * The cr16 interval timers are not syncronized across CPUs on
-	 * different sockets, so mark them unstable and lower rating on
-	 * multi-socket SMP systems.
+	 * The cr16 interval timers are not syncronized across CPUs, even if
+	 * they share the same socket.
 	 */
 	if (num_online_cpus() > 1 && !running_on_qemu) {
-		int cpu;
-		unsigned long cpu0_loc;
-		cpu0_loc = per_cpu(cpu_data, 0).cpu_loc;
-
-		for_each_online_cpu(cpu) {
-			if (cpu == 0)
-				continue;
-			if ((cpu0_loc != 0) &&
-			    (cpu0_loc == per_cpu(cpu_data, cpu).cpu_loc))
-				continue;
-
-			/* mark sched_clock unstable */
-			clear_sched_clock_stable();
-
-			clocksource_cr16.name = "cr16_unstable";
-			clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE;
-			clocksource_cr16.rating = 0;
-			break;
-		}
+		/* mark sched_clock unstable */
+		clear_sched_clock_stable();
+
+		clocksource_cr16.name = "cr16_unstable";
+		clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE;
+		clocksource_cr16.rating = 0;
 	}
 
 	/* register at clocksource framework */