vantoman · mkasem06 · Apr 8, 2019 · Apr 15, 2019 · Feb 12, 2019 · Sep 21, 2019
diff --git a/Android.mk b/Android.mk
diff --git a/Documentation/devicetree/bindings/gpu/adreno.txt b/Documentation/devicetree/bindings/gpu/adreno.txt
@@ -194,13 +194,6 @@ Optional Properties:
 				Specify the number of macrotiling channels for this chip.
 				This is programmed into certain registers and also pass to
 				the user as a property.
-- qcom,l2pc-cpu-mask:
-				Disables L2PC on masked CPUs when any of Graphics
-				rendering thread is running on masked CPUs.
-				Bit 0 is for CPU-0, bit 1 is for CPU-1...
-
-- qcom,l2pc-update-queue:
-				Disables L2PC on masked CPUs at queue time when it's true.
 
 - qcom,snapshot-size:
 				Specify the size of snapshot in bytes. This will override

diff --git a/Documentation/devicetree/bindings/i2c/i2c.txt b/Documentation/devicetree/bindings/i2c/i2c.txt
@@ -73,6 +73,9 @@ wants to support one of the below features, it should adapt the bindings below.
 - wakeup-source
 	device can be used as a wakeup source.
 
+- async-suspend
+	device supports async suspend/resume.
+
 - reg
 	I2C slave addresses
 

diff --git a/Documentation/devicetree/bindings/net/btusb.txt b/Documentation/devicetree/bindings/net/btusb.txt
@@ -36,7 +36,7 @@ Following example uses irq pin number 3 of gpio0 for out of band wake-on-bt:
 	compatible = "usb1286,204e";
 	reg = <1>;
 	interrupt-parent = <&gpio0>;
-	interrupt-name = "wakeup";
+	interrupt-names = "wakeup";
 	interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
     };
 };
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
@@ -251,7 +251,6 @@ Table 1-2: Contents of the status files (as of 4.8)
  VmExe                       size of text segment
  VmLib                       size of shared library code
  VmPTE                       size of page table entries
- VmPMD                       size of second level page tables
  VmSwap                      amount of swap used by anonymous private data
                              (shmem swap usage is not included)
  HugetlbPages                size of hugetlb memory portions

diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt
@@ -211,12 +211,10 @@ Other notes:
   is 4096. 
 
 - show() methods should return the number of bytes printed into the
-  buffer. This is the return value of scnprintf().
+  buffer.
 
-- show() must not use snprintf() when formatting the value to be
-  returned to user space. If you can guarantee that an overflow
-  will never happen you can use sprintf() otherwise you must use
-  scnprintf().
+- show() should only use sysfs_emit() or sysfs_emit_at() when formatting
+  the value to be returned to user space.
 
 - store() should return the number of bytes used from the buffer. If the
   entire buffer has been used, just return the count argument.

diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
@@ -640,7 +640,7 @@ oom_dump_tasks
 
 Enables a system-wide task dump (excluding kernel threads) to be produced
 when the kernel performs an OOM-killing and includes such information as
-pid, uid, tgid, vm size, rss, nr_ptes, nr_pmds, swapents, oom_score_adj
+pid, uid, tgid, vm size, rss, pgtables_bytes, swapents, oom_score_adj
 score, and name.  This is helpful to determine why the OOM killer was
 invoked, to identify the rogue task that caused it, and to determine why
 the OOM killer chose the task it did to kill.

diff --git a/Makefile b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 14
-SUBLEVEL = 217
+SUBLEVEL = 228
 EXTRAVERSION =
 NAME = Petit Gorille
 
@@ -377,7 +377,7 @@ endif
 # Make variables (CC, etc...)
 AS		= $(CROSS_COMPILE)as
 LD		= $(CROSS_COMPILE)ld
-REAL_CC		= $(CROSS_COMPILE)gcc
+CC		= $(CROSS_COMPILE)gcc
 LDGOLD		= $(CROSS_COMPILE)ld.gold
 CPP		= $(CC) -E
 AR		= $(CROSS_COMPILE)ar
@@ -393,10 +393,6 @@ PERL		= perl
 PYTHON		= python
 CHECK		= sparse
 
-# Use the wrapper for the compiler.  This wrapper scans for new
-# warnings and causes the build to stop upon encountering them
-CC		= $(PYTHON) $(srctree)/scripts/gcc-wrapper.py $(REAL_CC)
-
 CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
 		  -Wbitwise -Wno-return-void $(CF)
 NOSTDINC_FLAGS  =
@@ -762,7 +758,6 @@ ifeq ($(cc-name),clang)
 KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
 KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
 KBUILD_CFLAGS += $(call cc-disable-warning, duplicate-decl-specifier)
-KBUILD_CFLAGS += -fno-builtin
 KBUILD_CFLAGS += $(call cc-option, -Wno-undefined-optimized)
 KBUILD_CFLAGS += $(call cc-option, -Wno-tautological-constant-out-of-range-compare)
 KBUILD_CFLAGS += $(call cc-option, -mllvm -disable-struct-const-merge)
@@ -838,6 +833,13 @@ ifdef CONFIG_FUNCTION_TRACER
 ifndef CC_FLAGS_FTRACE
 CC_FLAGS_FTRACE := -pg
 endif
+ifdef CONFIG_FTRACE_MCOUNT_RECORD
+  # gcc 5 supports generating the mcount tables directly
+  ifeq ($(call cc-option-yn,-mrecord-mcount),y)
+    CC_FLAGS_FTRACE	+= -mrecord-mcount
+    export CC_USING_RECORD_MCOUNT := 1
+  endif
+endif
 export CC_FLAGS_FTRACE
 ifdef CONFIG_HAVE_FENTRY
 CC_USING_FENTRY	:= $(call cc-option, -mfentry -DCC_USING_FENTRY)
@@ -989,12 +991,6 @@ KBUILD_CFLAGS   += $(call cc-option,-Werror=designated-init)
 # change __FILE__ to the relative path from the srctree
 KBUILD_CFLAGS	+= $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
 
-# ensure -fcf-protection is disabled when using retpoline as it is
-# incompatible with -mindirect-branch=thunk-extern
-ifdef CONFIG_RETPOLINE
-KBUILD_CFLAGS += $(call cc-option,-fcf-protection=none)
-endif
-
 # use the deterministic mode of AR if available
 KBUILD_ARFLAGS := $(call ar-option,D)
 
@@ -1400,7 +1396,7 @@ headers_install: __headers
 	  $(error Headers not exportable for the $(SRCARCH) architecture))
 	$(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include
 	$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi $(hdr-dst)
-	$(Q)$(MAKE) $(hdr-inst)=techpack
+	$(Q)$(MAKE) $(hdr-inst)=techpack/audio/include/uapi dst=techpack/audio/include
 
 PHONY += headers_check_all
 headers_check_all: headers_install_all
@@ -1410,7 +1406,7 @@ PHONY += headers_check
 headers_check: headers_install
 	$(Q)$(MAKE) $(hdr-inst)=include/uapi dst=include HDRCHECK=1
 	$(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi $(hdr-dst) HDRCHECK=1
-	$(Q)$(MAKE) $(hdr-inst)=techpack HDRCHECK=1
+	$(Q)$(MAKE) $(hdr-inst)=techpack/audio/include/uapi dst=techpack/audio/include HDRCHECK=1
 
 # ---------------------------------------------------------------------------
 # Kernel selftest

diff --git a/arch/Kconfig b/arch/Kconfig
@@ -1077,6 +1077,16 @@ config STRICT_MODULE_RWX
 	  and non-text memory will be made non-executable. This provides
 	  protection against certain security exploits (e.g. writing to text)
 
+config ARCH_HAS_REFCOUNT_FULL
+	bool
+	select ARCH_HAS_REFCOUNT
+	help
+	  An architecture selects this when the optimized refcount_t
+	  implementation it provides covers all the cases that
+	  CONFIG_REFCOUNT_FULL covers as well, in which case it makes no
+	  sense to even offer CONFIG_REFCOUNT_FULL as a user selectable
+	  option.
+
 config ARCH_HAS_REFCOUNT
 	bool
 	help
@@ -1090,7 +1100,7 @@ config ARCH_HAS_REFCOUNT
 	  against bugs in reference counts.
 
 config REFCOUNT_FULL
-	bool "Perform full reference count validation at the expense of speed"
+	bool "Perform full reference count validation at the expense of speed" if !ARCH_HAS_REFCOUNT_FULL
 	help
 	  Enabling this switches the refcounting infrastructure from a fast
 	  unchecked atomic_t implementation to a fully state checked

diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
@@ -1090,9 +1090,9 @@ __armv4_mmu_cache_off:
 __armv7_mmu_cache_off:
 		mrc	p15, 0, r0, c1, c0
 #ifdef CONFIG_MMU
-		bic	r0, r0, #0x000d
+		bic	r0, r0, #0x0005
 #else
-		bic	r0, r0, #0x000c
+		bic	r0, r0, #0x0004
 #endif
 		mcr	p15, 0, r0, c1, c0	@ turn MMU and cache off
 		mov	r12, lr

diff --git a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
@@ -67,8 +67,8 @@
 				pinctrl-0 = <&pinctrl_macb0_default>;
 				phy-mode = "rmii";
 
-				ethernet-phy@0 {
-					reg = <0x0>;
+				ethernet-phy@7 {
+					reg = <0x7>;
 					interrupt-parent = <&pioA>;
 					interrupts = <PIN_PD31 IRQ_TYPE_LEVEL_LOW>;
 					pinctrl-names = "default";

diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -191,7 +191,7 @@
 	s2mps14_pmic@66 {
 		compatible = "samsung,s2mps14-pmic";
 		interrupt-parent = <&gpx0>;
-		interrupts = <7 IRQ_TYPE_NONE>;
+		interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
 		reg = <0x66>;
 		wakeup-source;
 

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -274,7 +274,7 @@
 	s2mps14_pmic@66 {
 		compatible = "samsung,s2mps14-pmic";
 		interrupt-parent = <&gpx0>;
-		interrupts = <7 IRQ_TYPE_NONE>;
+		interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
 		reg = <0x66>;
 		wakeup-source;
 

diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts
@@ -111,7 +111,7 @@
 		compatible = "samsung,s5m8767-pmic";
 		reg = <0x66>;
 		interrupt-parent = <&gpx3>;
-		interrupts = <2 IRQ_TYPE_NONE>;
+		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&s5m8767_irq &s5m8767_dvs &s5m8767_ds>;
 		wakeup-source;

diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts b/arch/arm/boot/dts/exynos5420-arndale-octa.dts
@@ -87,7 +87,7 @@
 		reg = <0x66>;
 
 		interrupt-parent = <&gpx3>;
-		interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+		interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&s2mps11_irq>;
 

diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
@@ -278,7 +278,7 @@
 
 			/* VDD_AUD_1P8: Audio codec */
 			reg_aud_1p8v: ldo3 {
-				regulator-name = "vdd1p8";
+				regulator-name = "vdd1p8a";
 				regulator-min-microvolt = <1800000>;
 				regulator-max-microvolt = <1800000>;
 				regulator-boot-on;

diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
@@ -323,9 +323,6 @@
 
 					clocks = <&xtal_32k>, <&xtal>;
 					clock-names = "xtal_32k", "xtal";
-
-					assigned-clocks = <&clk LPC32XX_CLK_HCLK_PLL>;
-					assigned-clock-rates = <208000000>;
 				};
 			};
 

diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi
@@ -35,10 +35,12 @@
 	};
 
 	ocp {
+		/* 4430 has only gpio_86 tshut and no talert interrupt */
 		bandgap: bandgap@4a002260 {
 			reg = <0x4a002260 0x4
 			       0x4a00232C 0x4>;
 			compatible = "ti,omap4430-bandgap";
+			gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>;
 
 			#thermal-sensor-cells = <0>;
 		};

diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h
@@ -68,8 +68,6 @@
 #define BPIALL				__ACCESS_CP15(c7, 0, c5, 6)
 #define ICIALLU				__ACCESS_CP15(c7, 0, c5, 0)
 
-#define CNTVCT				__ACCESS_CP15_64(1, c14)
-
 extern unsigned long cr_alignment;	/* defined in entry-armv.S */
 
 static inline unsigned long get_cr(void)

diff --git a/arch/arm/include/asm/vdso_datapage.h b/arch/arm/include/asm/vdso_datapage.h
@@ -24,28 +24,53 @@
 
 #include <asm/page.h>
 
+#ifndef _VDSO_WTM_CLOCK_SEC_T
+#define _VDSO_WTM_CLOCK_SEC_T
+typedef u32 vdso_wtm_clock_nsec_t;
+#endif
+
+#ifndef _VDSO_XTIME_CLOCK_SEC_T
+#define _VDSO_XTIME_CLOCK_SEC_T
+typedef u32 vdso_xtime_clock_sec_t;
+#endif
+
+#ifndef _VDSO_RAW_TIME_SEC_T
+#define _VDSO_RAW_TIME_SEC_T
+typedef u32 vdso_raw_time_sec_t;
+#endif
+
 /* Try to be cache-friendly on systems that don't implement the
  * generic timer: fit the unconditionally updated fields in the first
  * 32 bytes.
  */
 struct vdso_data {
-	u32 seq_count;		/* sequence count - odd during updates */
-	u16 tk_is_cntvct;	/* fall back to syscall if false */
+	u32 tb_seq_count;	/* sequence count - odd during updates */
+	u16 use_syscall;	/* fall back to syscall if true */
 	u16 cs_shift;		/* clocksource shift */
 	u32 xtime_coarse_sec;	/* coarse time */
 	u32 xtime_coarse_nsec;
 
-	u32 wtm_clock_sec;	/* wall to monotonic offset */
-	u32 wtm_clock_nsec;
-	u32 xtime_clock_sec;	/* CLOCK_REALTIME - seconds */
-	u32 cs_mult;		/* clocksource multiplier */
+	/* wall to monotonic offset */
+	u32 wtm_clock_sec;
+	vdso_wtm_clock_nsec_t	wtm_clock_nsec;
+	/* CLOCK_REALTIME - seconds */
+	vdso_xtime_clock_sec_t	xtime_clock_sec;
+	u32 cs_mono_mult;	/* clocksource multiplier */
 
 	u64 cs_cycle_last;	/* last cycle value */
 	u64 cs_mask;		/* clocksource mask */
 
 	u64 xtime_clock_snsec;	/* CLOCK_REALTIME sub-ns base */
 	u32 tz_minuteswest;	/* timezone info for gettimeofday(2) */
 	u32 tz_dsttime;
+
+	u32 btm_sec;		/* monotonic to boot time */
+	u32 btm_nsec;
+	/* Raw clocksource multipler */
+	u32 cs_raw_mult;
+	/* Raw time */
+	vdso_raw_time_sec_t raw_time_sec;
+	u32 raw_time_nsec;
 };
 
 union vdso_data_store {

diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
@@ -667,18 +667,20 @@ struct page *get_signal_page(void)
 
 	addr = page_address(page);
 
+	/* Poison the entire page */
+	memset32(addr, __opcode_to_mem_arm(0xe7fddef1),
+		 PAGE_SIZE / sizeof(u32));
+
 	/* Give the signal return code some randomness */
 	offset = 0x200 + (get_random_int() & 0x7fc);
 	signal_return_offset = offset;
 
-	/*
-	 * Copy signal return handlers into the vector page, and
-	 * set sigreturn to be a pointer to these.
-	 */
+	/* Copy signal return handlers into the page */
 	memcpy(addr + offset, sigreturn_codes, sizeof(sigreturn_codes));
 
-	ptr = (unsigned long)addr + offset;
-	flush_icache_range(ptr, ptr + sizeof(sigreturn_codes));
+	/* Flush out all instructions in this page */
+	ptr = (unsigned long)addr;
+	flush_icache_range(ptr, ptr + PAGE_SIZE);
 
 	return page;
 }