Merge tag 'v4.20-rc7' into patchwork

Linux 4.20-rc7 * tag 'v4.20-rc7': (403 commits) Linux 4.20-rc7 scripts/spdxcheck.py: always open files in binary mode checkstack.pl: fix for aarch64 userfaultfd: check VM_MAYWRITE was set after verifying the uffd is registered fs/iomap.c: get/put the page in iomap_page_create/release() hugetlbfs: call VM_BUG_ON_PAGE earlier in free_huge_page() memblock: annotate memblock_is_reserved() with __init_memblock psi: fix reference to kernel commandline enable arch/sh/include/asm/io.h: provide prototypes for PCI I/O mapping in asm/io.h mm/sparse: add common helper to mark all memblocks present mm: introduce common STRUCT_PAGE_MAX_SHIFT define alpha: fix hang caused by the bootmem removal XArray: Fix xa_alloc when id exceeds max drm/vmwgfx: Protect from excessive execbuf kernel memory allocations v3 MAINTAINERS: Daniel for drm co-maintainer drm/amdgpu: drop fclk/gfxclk ratio setting IB/core: Fix oops in netdev_next_upper_dev_rcu() dm thin: bump target version drm/vmwgfx: remove redundant return ret statement drm/i915: Flush GPU relocs harder for gen3 ...
torvalds · Dec 17, 2018 · 4bd257d · 4bd257d
2 parents d2b4387 + 7566ec3
commit 4bd257d
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diff --git a/CREDITS b/CREDITS
@@ -2541,6 +2541,10 @@ S: Ormond
 S: Victoria 3163
 S: Australia
 
+N: Eric Miao
+E: eric.y.miao@gmail.com
+D: MMP support
+
 N: Pauline Middelink
 E: middelin@polyware.nl
 D: General low-level bug fixes, /proc fixes, identd support
@@ -4115,6 +4119,10 @@ S: 1507 145th Place SE #B5
 S: Bellevue, Washington 98007
 S: USA
 
+N: Haojian Zhuang
+E: haojian.zhuang@gmail.com
+D: MMP support
+
 N: Richard Zidlicky
 E: rz@linux-m68k.org, rdzidlic@geocities.com
 W: http://www.geocities.com/rdzidlic

diff --git a/Documentation/ABI/testing/sysfs-class-net-dsa b/Documentation/ABI/testing/sysfs-class-net-dsa
@@ -1,4 +1,4 @@
-What:		/sys/class/net/<iface>/tagging
+What:		/sys/class/net/<iface>/dsa/tagging
 Date:		August 2018
 KernelVersion:	4.20
 Contact:	netdev@vger.kernel.org

diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst
@@ -187,6 +187,8 @@ Takes xa_lock internally:
  * :c:func:`xa_erase_bh`
  * :c:func:`xa_erase_irq`
  * :c:func:`xa_cmpxchg`
+ * :c:func:`xa_cmpxchg_bh`
+ * :c:func:`xa_cmpxchg_irq`
  * :c:func:`xa_store_range`
  * :c:func:`xa_alloc`
  * :c:func:`xa_alloc_bh`
@@ -263,7 +265,8 @@ using :c:func:`xa_lock_irqsave` in both the interrupt handler and process
 context, or :c:func:`xa_lock_irq` in process context and :c:func:`xa_lock`
 in the interrupt handler.  Some of the more common patterns have helper
 functions such as :c:func:`xa_store_bh`, :c:func:`xa_store_irq`,
-:c:func:`xa_erase_bh` and :c:func:`xa_erase_irq`.
+:c:func:`xa_erase_bh`, :c:func:`xa_erase_irq`, :c:func:`xa_cmpxchg_bh`
+and :c:func:`xa_cmpxchg_irq`.
 
 Sometimes you need to protect access to the XArray with a mutex because
 that lock sits above another mutex in the locking hierarchy.  That does

diff --git a/Documentation/devicetree/bindings/clock/clock-bindings.txt b/Documentation/devicetree/bindings/clock/clock-bindings.txt
@@ -168,3 +168,19 @@ a shared clock is forbidden.
 
 Configuration of common clocks, which affect multiple consumer devices can
 be similarly specified in the clock provider node.
+
+==Protected clocks==
+
+Some platforms or firmwares may not fully expose all the clocks to the OS, such
+as in situations where those clks are used by drivers running in ARM secure
+execution levels. Such a configuration can be specified in device tree with the
+protected-clocks property in the form of a clock specifier list. This property should
+only be specified in the node that is providing the clocks being protected:
+
+   clock-controller@a000f000 {
+        compatible = "vendor,clk95;
+        reg = <0xa000f000 0x1000>
+        #clocks-cells = <1>;
+        ...
+        protected-clocks = <UART3_CLK>, <SPI5_CLK>;
+   };
diff --git a/Documentation/devicetree/bindings/input/input-reset.txt b/Documentation/devicetree/bindings/input/input-reset.txt
@@ -12,7 +12,7 @@ The /chosen node should contain a 'linux,sysrq-reset-seq' child node to define
 a set of keys.
 
 Required property:
-sysrq-reset-seq: array of Linux keycodes, one keycode per cell.
+keyset: array of Linux keycodes, one keycode per cell.
 
 Optional property:
 timeout-ms: duration keys must be pressed together in milliseconds before

diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
@@ -1518,6 +1518,11 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type -
     configuring a stateless hardware decoding pipeline for MPEG-2.
     The bitstream parameters are defined according to :ref:`mpeg2part2`.
 
+    .. note::
+
+       This compound control is not yet part of the public kernel API and
+       it is expected to change.
+
 .. c:type:: v4l2_ctrl_mpeg2_slice_params
 
 .. cssclass:: longtable
@@ -1638,6 +1643,11 @@ enum v4l2_mpeg_video_h264_hierarchical_coding_type -
     Specifies quantization matrices (as extracted from the bitstream) for the
     associated MPEG-2 slice data.
 
+    .. note::
+
+       This compound control is not yet part of the public kernel API and
+       it is expected to change.
+
 .. c:type:: v4l2_ctrl_mpeg2_quantization
 
 .. cssclass:: longtable

diff --git a/MAINTAINERS b/MAINTAINERS
@@ -1472,6 +1472,7 @@ F:	drivers/clk/sirf/
 F:	drivers/clocksource/timer-prima2.c
 F:	drivers/clocksource/timer-atlas7.c
 N:	[^a-z]sirf
+X:	drivers/gnss
 
 ARM/EBSA110 MACHINE SUPPORT
 M:	Russell King <linux@armlinux.org.uk>
@@ -1738,13 +1739,17 @@ ARM/Mediatek SoC support
 M:	Matthias Brugger <matthias.bgg@gmail.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 L:	linux-mediatek@lists.infradead.org (moderated for non-subscribers)
+W:	https://mtk.bcnfs.org/
+C:	irc://chat.freenode.net/linux-mediatek
 S:	Maintained
 F:	arch/arm/boot/dts/mt6*
 F:	arch/arm/boot/dts/mt7*
 F:	arch/arm/boot/dts/mt8*
 F:	arch/arm/mach-mediatek/
 F:	arch/arm64/boot/dts/mediatek/
+F:	drivers/soc/mediatek/
 N:	mtk
+N:	mt[678]
 K:	mediatek
 
 ARM/Mediatek USB3 PHY DRIVER
@@ -3278,11 +3283,16 @@ S:	Maintained
 F:	sound/pci/oxygen/
 
 C-SKY ARCHITECTURE
-M:	Guo Ren <ren_guo@c-sky.com>
+M:	Guo Ren <guoren@kernel.org>
 T:	git https://github.com/c-sky/csky-linux.git
 S:	Supported
 F:	arch/csky/
 F:	Documentation/devicetree/bindings/csky/
+F:	drivers/irqchip/irq-csky-*
+F:	Documentation/devicetree/bindings/interrupt-controller/csky,*
+F:	drivers/clocksource/timer-gx6605s.c
+F:	drivers/clocksource/timer-mp-csky.c
+F:	Documentation/devicetree/bindings/timer/csky,*
 K:	csky
 N:	csky
 
@@ -4851,6 +4861,7 @@ F:	include/uapi/drm/vmwgfx_drm.h
 
 DRM DRIVERS
 M:	David Airlie <airlied@linux.ie>
+M:	Daniel Vetter <daniel@ffwll.ch>
 L:	dri-devel@lists.freedesktop.org
 T:	git git://anongit.freedesktop.org/drm/drm
 B:	https://bugs.freedesktop.org/
@@ -6330,6 +6341,7 @@ F:	include/uapi/linux/gigaset_dev.h
 
 GNSS SUBSYSTEM
 M:	Johan Hovold <johan@kernel.org>
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss.git
 S:	Maintained
 F:	Documentation/ABI/testing/sysfs-class-gnss
 F:	Documentation/devicetree/bindings/gnss/
@@ -10012,12 +10024,9 @@ S:	Odd Fixes
 F:	drivers/media/radio/radio-miropcm20*
 
 MMP SUPPORT
-M:	Eric Miao <eric.y.miao@gmail.com>
-M:	Haojian Zhuang <haojian.zhuang@gmail.com>
+R:	Lubomir Rintel <lkundrak@v3.sk>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-T:	git git://github.com/hzhuang1/linux.git
-T:	git git://git.linaro.org/people/ycmiao/pxa-linux.git
-S:	Maintained
+S:	Odd Fixes
 F:	arch/arm/boot/dts/mmp*
 F:	arch/arm/mach-mmp/
 
@@ -13910,6 +13919,13 @@ F:	drivers/md/raid*
 F:	include/linux/raid/
 F:	include/uapi/linux/raid/
 
+SOCIONEXT (SNI) AVE NETWORK DRIVER
+M:	Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
+L:	netdev@vger.kernel.org
+S:	Maintained
+F:	drivers/net/ethernet/socionext/sni_ave.c
+F:	Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
+
 SOCIONEXT (SNI) NETSEC NETWORK DRIVER
 M:	Jassi Brar <jaswinder.singh@linaro.org>
 L:	netdev@vger.kernel.org

diff --git a/Makefile b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 4
 PATCHLEVEL = 20
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc7
 NAME = Shy Crocodile
 
 # *DOCUMENTATION*

diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
@@ -634,6 +634,7 @@ setup_arch(char **cmdline_p)
 
 	/* Find our memory.  */
 	setup_memory(kernel_end);
+	memblock_set_bottom_up(true);
 
 	/* First guess at cpu cache sizes.  Do this before init_arch.  */
 	determine_cpu_caches(cpu->type);

diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
@@ -144,14 +144,14 @@ setup_memory_node(int nid, void *kernel_end)
 	if (!nid && (node_max_pfn < end_kernel_pfn || node_min_pfn > start_kernel_pfn))
 		panic("kernel loaded out of ram");
 
+	memblock_add(PFN_PHYS(node_min_pfn),
+		     (node_max_pfn - node_min_pfn) << PAGE_SHIFT);
+
 	/* Zone start phys-addr must be 2^(MAX_ORDER-1) aligned.
 	   Note that we round this down, not up - node memory
 	   has much larger alignment than 8Mb, so it's safe. */
 	node_min_pfn &= ~((1UL << (MAX_ORDER-1))-1);
 
-	memblock_add(PFN_PHYS(node_min_pfn),
-		     (node_max_pfn - node_min_pfn) << PAGE_SHIFT);
-
 	NODE_DATA(nid)->node_start_pfn = node_min_pfn;
 	NODE_DATA(nid)->node_present_pages = node_max_pfn - node_min_pfn;
 

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
@@ -109,7 +109,7 @@ endmenu
 
 choice
 	prompt "ARC Instruction Set"
-	default ISA_ARCOMPACT
+	default ISA_ARCV2
 
 config ISA_ARCOMPACT
 	bool "ARCompact ISA"
@@ -176,13 +176,11 @@ endchoice
 
 config CPU_BIG_ENDIAN
 	bool "Enable Big Endian Mode"
-	default n
 	help
 	  Build kernel for Big Endian Mode of ARC CPU
 
 config SMP
 	bool "Symmetric Multi-Processing"
-	default n
 	select ARC_MCIP if ISA_ARCV2
 	help
 	  This enables support for systems with more than one CPU.
@@ -254,15 +252,13 @@ config ARC_CACHE_PAGES
 config ARC_CACHE_VIPT_ALIASING
 	bool "Support VIPT Aliasing D$"
 	depends on ARC_HAS_DCACHE && ISA_ARCOMPACT
-	default n
 
 endif	#ARC_CACHE
 
 config ARC_HAS_ICCM
 	bool "Use ICCM"
 	help
 	  Single Cycle RAMS to store Fast Path Code
-	default n
 
 config ARC_ICCM_SZ
 	int "ICCM Size in KB"
@@ -273,7 +269,6 @@ config ARC_HAS_DCCM
 	bool "Use DCCM"
 	help
 	  Single Cycle RAMS to store Fast Path Data
-	default n
 
 config ARC_DCCM_SZ
 	int "DCCM Size in KB"
@@ -366,13 +361,11 @@ if ISA_ARCOMPACT
 
 config ARC_COMPACT_IRQ_LEVELS
 	bool "Setup Timer IRQ as high Priority"
-	default n
 	# if SMP, LV2 enabled ONLY if ARC implementation has LV2 re-entrancy
 	depends on !SMP
 
 config ARC_FPU_SAVE_RESTORE
 	bool "Enable FPU state persistence across context switch"
-	default n
 	help
 	  Double Precision Floating Point unit had dedicated regs which
 	  need to be saved/restored across context-switch.
@@ -453,7 +446,6 @@ config HIGHMEM
 
 config ARC_HAS_PAE40
 	bool "Support for the 40-bit Physical Address Extension"
-	default n
 	depends on ISA_ARCV2
 	select HIGHMEM
 	select PHYS_ADDR_T_64BIT
@@ -496,7 +488,6 @@ config HZ
 
 config ARC_METAWARE_HLINK
 	bool "Support for Metaware debugger assisted Host access"
-	default n
 	help
 	  This options allows a Linux userland apps to directly access
 	  host file system (open/creat/read/write etc) with help from
@@ -524,13 +515,11 @@ config ARC_DW2_UNWIND
 
 config ARC_DBG_TLB_PARANOIA
 	bool "Paranoia Checks in Low Level TLB Handlers"
-	default n
 
 endif
 
 config ARC_UBOOT_SUPPORT
 	bool "Support uboot arg Handling"
-	default n
 	help
 	  ARC Linux by default checks for uboot provided args as pointers to
 	  external cmdline or DTB. This however breaks in absence of uboot,

diff --git a/arch/arc/Makefile b/arch/arc/Makefile
@@ -6,7 +6,7 @@
 # published by the Free Software Foundation.
 #
 
-KBUILD_DEFCONFIG := nsim_700_defconfig
+KBUILD_DEFCONFIG := nsim_hs_defconfig
 
 cflags-y	+= -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
 cflags-$(CONFIG_ISA_ARCOMPACT)	+= -mA7

diff --git a/arch/arc/boot/dts/hsdk.dts b/arch/arc/boot/dts/hsdk.dts
@@ -222,6 +222,21 @@
 			bus-width = <4>;
 			dma-coherent;
 		};
+
+		gpio: gpio@3000 {
+			compatible = "snps,dw-apb-gpio";
+			reg = <0x3000 0x20>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			gpio_port_a: gpio-controller@0 {
+				compatible = "snps,dw-apb-gpio-port";
+				gpio-controller;
+				#gpio-cells = <2>;
+				snps,nr-gpios = <24>;
+				reg = <0>;
+			};
+		};
 	};
 
 	memory@80000000 {

diff --git a/arch/arc/configs/axs101_defconfig b/arch/arc/configs/axs101_defconfig
@@ -14,6 +14,7 @@ CONFIG_PERF_EVENTS=y
 # CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_SLUB_DEBUG is not set
 # CONFIG_COMPAT_BRK is not set
+CONFIG_ISA_ARCOMPACT=y
 CONFIG_MODULES=y
 CONFIG_MODULE_FORCE_LOAD=y
 CONFIG_MODULE_UNLOAD=y
@@ -95,6 +96,7 @@ CONFIG_VFAT_FS=y
 CONFIG_NTFS_FS=y
 CONFIG_TMPFS=y
 CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 # CONFIG_ENABLE_WARN_DEPRECATED is not set

diff --git a/arch/arc/configs/axs103_defconfig b/arch/arc/configs/axs103_defconfig
@@ -94,6 +94,7 @@ CONFIG_VFAT_FS=y
 CONFIG_NTFS_FS=y
 CONFIG_TMPFS=y
 CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 # CONFIG_ENABLE_WARN_DEPRECATED is not set

diff --git a/arch/arc/configs/axs103_smp_defconfig b/arch/arc/configs/axs103_smp_defconfig
@@ -97,6 +97,7 @@ CONFIG_VFAT_FS=y
 CONFIG_NTFS_FS=y
 CONFIG_TMPFS=y
 CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 # CONFIG_ENABLE_WARN_DEPRECATED is not set

diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
@@ -45,6 +45,9 @@ CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_DW=y
 CONFIG_SERIAL_OF_PLATFORM=y
 # CONFIG_HW_RANDOM is not set
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_DWAPB=y
 # CONFIG_HWMON is not set
 CONFIG_DRM=y
 # CONFIG_DRM_FBDEV_EMULATION is not set
@@ -65,6 +68,7 @@ CONFIG_EXT3_FS=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
 CONFIG_NFS_FS=y
+CONFIG_NFS_V3_ACL=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
 # CONFIG_ENABLE_WARN_DEPRECATED is not set