diff options
Diffstat (limited to 'arch')
37 files changed, 147 insertions, 101 deletions
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index a37fd990bd55..4b5b1b244f86 100644 --- 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 index 74846553e3f1..d0b73371e985 100644 --- 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/arm/boot/dts/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm-realview-pb1176.dts index f2a1d25eb6cf..83e0fbc4a1a1 100644 --- a/arch/arm/boot/dts/arm-realview-pb1176.dts +++ b/arch/arm/boot/dts/arm-realview-pb1176.dts @@ -45,7 +45,7 @@ }; /* The voltage to the MMC card is hardwired at 3.3V */ - vmmc: fixedregulator@0 { + vmmc: regulator-vmmc { compatible = "regulator-fixed"; regulator-name = "vmmc"; regulator-min-microvolt = <3300000>; @@ -53,7 +53,7 @@ regulator-boot-on; }; - veth: fixedregulator@0 { + veth: regulator-veth { compatible = "regulator-fixed"; regulator-name = "veth"; regulator-min-microvolt = <3300000>; diff --git a/arch/arm/boot/dts/arm-realview-pb11mp.dts b/arch/arm/boot/dts/arm-realview-pb11mp.dts index 7f9cbdf33a51..2f6aa24a0b67 100644 --- a/arch/arm/boot/dts/arm-realview-pb11mp.dts +++ b/arch/arm/boot/dts/arm-realview-pb11mp.dts @@ -145,7 +145,7 @@ }; /* The voltage to the MMC card is hardwired at 3.3V */ - vmmc: fixedregulator@0 { + vmmc: regulator-vmmc { compatible = "regulator-fixed"; regulator-name = "vmmc"; regulator-min-microvolt = <3300000>; @@ -153,7 +153,7 @@ regulator-boot-on; }; - veth: fixedregulator@0 { + veth: regulator-veth { compatible = "regulator-fixed"; regulator-name = "veth"; regulator-min-microvolt = <3300000>; diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts index 4adb85e66be3..93762244be7f 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts @@ -31,7 +31,7 @@ wifi_pwrseq: wifi-pwrseq { compatible = "mmc-pwrseq-simple"; - reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>; + reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; }; }; diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts index c318bcbc6ba7..89e6fd547c75 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts @@ -26,7 +26,7 @@ wifi_pwrseq: wifi-pwrseq { compatible = "mmc-pwrseq-simple"; - reset-gpios = <&expgpio 1 GPIO_ACTIVE_HIGH>; + reset-gpios = <&expgpio 1 GPIO_ACTIVE_LOW>; }; }; diff --git a/arch/arm/boot/dts/imx7d-nitrogen7.dts b/arch/arm/boot/dts/imx7d-nitrogen7.dts index d8aac4a2d02a..177d21fdeb28 100644 --- a/arch/arm/boot/dts/imx7d-nitrogen7.dts +++ b/arch/arm/boot/dts/imx7d-nitrogen7.dts @@ -86,13 +86,17 @@ compatible = "regulator-fixed"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; - clocks = <&clks IMX7D_CLKO2_ROOT_DIV>; - clock-names = "slow"; regulator-name = "reg_wlan"; startup-delay-us = <70000>; gpio = <&gpio4 21 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + usdhc2_pwrseq: usdhc2_pwrseq { + compatible = "mmc-pwrseq-simple"; + clocks = <&clks IMX7D_CLKO2_ROOT_DIV>; + clock-names = "ext_clock"; + }; }; &adc1 { @@ -375,6 +379,7 @@ bus-width = <4>; non-removable; vmmc-supply = <®_wlan>; + mmc-pwrseq = <&usdhc2_pwrseq>; cap-power-off-card; keep-power-in-suspend; status = "okay"; diff --git a/arch/arm/boot/dts/imx7d-pico.dtsi b/arch/arm/boot/dts/imx7d-pico.dtsi index 21973eb55671..f27b3849d3ff 100644 --- a/arch/arm/boot/dts/imx7d-pico.dtsi +++ b/arch/arm/boot/dts/imx7d-pico.dtsi @@ -100,6 +100,19 @@ regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; + + usdhc2_pwrseq: usdhc2_pwrseq { + compatible = "mmc-pwrseq-simple"; + clocks = <&clks IMX7D_CLKO2_ROOT_DIV>; + clock-names = "ext_clock"; + }; +}; + +&clks { + assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>, + <&clks IMX7D_CLKO2_ROOT_DIV>; + assigned-clock-parents = <&clks IMX7D_CKIL>; + assigned-clock-rates = <0>, <32768>; }; &i2c4 { @@ -199,12 +212,13 @@ &usdhc2 { /* Wifi SDIO */ pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_usdhc2>; + pinctrl-0 = <&pinctrl_usdhc2 &pinctrl_wifi_clk>; no-1-8-v; non-removable; keep-power-in-suspend; wakeup-source; vmmc-supply = <®_ap6212>; + mmc-pwrseq = <&usdhc2_pwrseq>; status = "okay"; }; @@ -301,6 +315,12 @@ }; &iomuxc_lpsr { + pinctrl_wifi_clk: wificlkgrp { + fsl,pins = < + MX7D_PAD_LPSR_GPIO1_IO03__CCM_CLKO2 0x7d + >; + }; + pinctrl_wdog: wdoggrp { fsl,pins = < MX7D_PAD_LPSR_GPIO1_IO00__WDOG1_WDOG_B 0x74 diff --git a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts index 742d2946b08b..583a5a01642f 100644 --- a/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts +++ b/arch/arm/boot/dts/sun8i-a83t-bananapi-m3.dts @@ -314,8 +314,8 @@ ®_dldo3 { regulator-always-on; - regulator-min-microvolt = <2500000>; - regulator-max-microvolt = <2500000>; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; regulator-name = "vcc-pd"; }; diff --git a/arch/arm/mach-imx/cpuidle-imx6sx.c b/arch/arm/mach-imx/cpuidle-imx6sx.c index 243a108a940b..fd0053e47a15 100644 --- a/arch/arm/mach-imx/cpuidle-imx6sx.c +++ b/arch/arm/mach-imx/cpuidle-imx6sx.c @@ -110,7 +110,7 @@ int __init imx6sx_cpuidle_init(void) * except for power up sw2iso which need to be * larger than LDO ramp up time. */ - imx_gpc_set_arm_power_up_timing(2, 1); + imx_gpc_set_arm_power_up_timing(0xf, 1); imx_gpc_set_arm_power_down_timing(1, 1); return cpuidle_register(&imx6sx_cpuidle_driver, NULL); diff --git a/arch/arm/mach-mmp/cputype.h b/arch/arm/mach-mmp/cputype.h index 446edaeb78a7..a96abcf521b4 100644 --- a/arch/arm/mach-mmp/cputype.h +++ b/arch/arm/mach-mmp/cputype.h @@ -44,10 +44,12 @@ static inline int cpu_is_pxa910(void) #define cpu_is_pxa910() (0) #endif -#ifdef CONFIG_CPU_MMP2 +#if defined(CONFIG_CPU_MMP2) || defined(CONFIG_MACH_MMP2_DT) static inline int cpu_is_mmp2(void) { - return (((read_cpuid_id() >> 8) & 0xff) == 0x58); + return (((read_cpuid_id() >> 8) & 0xff) == 0x58) && + (((mmp_chip_id & 0xfff) == 0x410) || + ((mmp_chip_id & 0xfff) == 0x610)); } #else #define cpu_is_mmp2() (0) diff --git a/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi index 64632c873888..01ea662afba8 100644 --- a/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-ap806-quad.dtsi @@ -20,28 +20,24 @@ compatible = "arm,cortex-a72", "arm,armv8"; reg = <0x000>; enable-method = "psci"; - cpu-idle-states = <&CPU_SLEEP_0>; }; cpu1: cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a72", "arm,armv8"; reg = <0x001>; enable-method = "psci"; - cpu-idle-states = <&CPU_SLEEP_0>; }; cpu2: cpu@100 { device_type = "cpu"; compatible = "arm,cortex-a72", "arm,armv8"; reg = <0x100>; enable-method = "psci"; - cpu-idle-states = <&CPU_SLEEP_0>; }; cpu3: cpu@101 { device_type = "cpu"; compatible = "arm,cortex-a72", "arm,armv8"; reg = <0x101>; enable-method = "psci"; - cpu-idle-states = <&CPU_SLEEP_0>; }; }; }; diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi index 073610ac0a53..7d94c1fa592a 100644 --- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi @@ -28,33 +28,6 @@ method = "smc"; }; - cpus { - #address-cells = <1>; - #size-cells = <0>; - - idle_states { - entry_method = "arm,pcsi"; - - CPU_SLEEP_0: cpu-sleep-0 { - compatible = "arm,idle-state"; - local-timer-stop; - arm,psci-suspend-param = <0x0010000>; - entry-latency-us = <80>; - exit-latency-us = <160>; - min-residency-us = <320>; - }; - - CLUSTER_SLEEP_0: cluster-sleep-0 { - compatible = "arm,idle-state"; - local-timer-stop; - arm,psci-suspend-param = <0x1010000>; - entry-latency-us = <500>; - exit-latency-us = <1000>; - min-residency-us = <2500>; - }; - }; - }; - ap806 { #address-cells = <2>; #size-cells = <2>; diff --git a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts index 5d6005c9b097..710c5c3d87d3 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts +++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts @@ -16,8 +16,13 @@ model = "Bananapi BPI-R64"; compatible = "bananapi,bpi-r64", "mediatek,mt7622"; + aliases { + serial0 = &uart0; + }; + chosen { - bootargs = "earlycon=uart8250,mmio32,0x11002000 console=ttyS0,115200n1 swiotlb=512"; + stdout-path = "serial0:115200n8"; + bootargs = "earlycon=uart8250,mmio32,0x11002000 swiotlb=512"; }; cpus { diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts index dcad0869b84c..3f783348c66a 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts +++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts @@ -17,8 +17,13 @@ model = "MediaTek MT7622 RFB1 board"; compatible = "mediatek,mt7622-rfb1", "mediatek,mt7622"; + aliases { + serial0 = &uart0; + }; + chosen { - bootargs = "earlycon=uart8250,mmio32,0x11002000 console=ttyS0,115200n1 swiotlb=512"; + stdout-path = "serial0:115200n8"; + bootargs = "earlycon=uart8250,mmio32,0x11002000 swiotlb=512"; }; cpus { diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi index fe0c875f1d95..14a1028ca3a6 100644 --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi @@ -227,16 +227,6 @@ #reset-cells = <1>; }; - timer: timer@10004000 { - compatible = "mediatek,mt7622-timer", - "mediatek,mt6577-timer"; - reg = <0 0x10004000 0 0x80>; - interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_LOW>; - clocks = <&infracfg CLK_INFRA_APXGPT_PD>, - <&topckgen CLK_TOP_RTC>; - clock-names = "system-clk", "rtc-clk"; - }; - scpsys: scpsys@10006000 { compatible = "mediatek,mt7622-scpsys", "syscon"; diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index ee20fc63899c..932c60e036cf 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -35,15 +35,6 @@ #define PCI_IO_SIZE SZ_16M /* - * Log2 of the upper bound of the size of a struct page. Used for sizing - * the vmemmap region only, does not affect actual memory footprint. - * We don't use sizeof(struct page) directly since taking its size here - * requires its definition to be available at this point in the inclusion - * chain, and it may not be a power of 2 in the first place. - */ -#define STRUCT_PAGE_MAX_SHIFT 6 - -/* * VMEMMAP_SIZE - allows the whole linear region to be covered by * a struct page array */ diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index a3ac26284845..a53704406099 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -429,9 +429,9 @@ static void *__iommu_alloc_attrs(struct device *dev, size_t size, prot, __builtin_return_address(0)); if (addr) { - memset(addr, 0, size); if (!coherent) __dma_flush_area(page_to_virt(page), iosize); + memset(addr, 0, size); } else { iommu_dma_unmap_page(dev, *handle, iosize, 0, attrs); dma_release_from_contiguous(dev, page, diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 9b432d9fcada..0340e45655c6 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -610,14 +610,6 @@ void __init mem_init(void) BUILD_BUG_ON(TASK_SIZE_32 > TASK_SIZE_64); #endif -#ifdef CONFIG_SPARSEMEM_VMEMMAP - /* - * Make sure we chose the upper bound of sizeof(struct page) - * correctly when sizing the VMEMMAP array. - */ - BUILD_BUG_ON(sizeof(struct page) > (1 << STRUCT_PAGE_MAX_SHIFT)); -#endif - if (PAGE_SIZE >= 16384 && get_num_physpages() <= 128) { extern int sysctl_overcommit_memory; /* diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index a1a3eaeaf58c..ad0195cbe042 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -164,8 +164,6 @@ static void __init m68k_parse_bootinfo(const struct bi_record *record) be32_to_cpu(m->addr); m68k_memory[m68k_num_memory].size = be32_to_cpu(m->size); - memblock_add(m68k_memory[m68k_num_memory].addr, - m68k_memory[m68k_num_memory].size); m68k_num_memory++; } else pr_warn("%s: too many memory chunks\n", diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 7497cf30bf1c..3f3d0bf36091 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -228,6 +228,7 @@ void __init paging_init(void) min_addr = m68k_memory[0].addr; max_addr = min_addr + m68k_memory[0].size; + memblock_add(m68k_memory[0].addr, m68k_memory[0].size); for (i = 1; i < m68k_num_memory;) { if (m68k_memory[i].addr < min_addr) { printk("Ignoring memory chunk at 0x%lx:0x%lx before the first chunk\n", @@ -238,6 +239,7 @@ void __init paging_init(void) (m68k_num_memory - i) * sizeof(struct m68k_mem_info)); continue; } + memblock_add(m68k_memory[i].addr, m68k_memory[i].size); addr = m68k_memory[i].addr + m68k_memory[i].size; if (addr > max_addr) max_addr = addr; diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 39354365f54a..ed9883169190 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -197,7 +197,7 @@ $(obj)/empty.c: $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds : $(obj)/%: $(srctree)/$(src)/%.S $(Q)cp $< $@ -$(obj)/serial.c: $(obj)/autoconf.h +$(srctree)/$(src)/serial.c: $(obj)/autoconf.h $(obj)/autoconf.h: $(obj)/%: $(objtree)/include/generated/% $(Q)cp $< $@ diff --git a/arch/powerpc/boot/crt0.S b/arch/powerpc/boot/crt0.S index 32dfe6d083f3..9b9d17437373 100644 --- a/arch/powerpc/boot/crt0.S +++ b/arch/powerpc/boot/crt0.S @@ -15,7 +15,7 @@ RELA = 7 RELACOUNT = 0x6ffffff9 - .text + .data /* A procedure descriptor used when booting this as a COFF file. * When making COFF, this comes first in the link and we're * linked at 0x500000. @@ -23,6 +23,8 @@ RELACOUNT = 0x6ffffff9 .globl _zimage_start_opd _zimage_start_opd: .long 0x500000, 0, 0, 0 + .text + b _zimage_start #ifdef __powerpc64__ .balign 8 diff --git a/arch/powerpc/include/asm/perf_event.h b/arch/powerpc/include/asm/perf_event.h index 8bf1b6351716..16a49819da9a 100644 --- a/arch/powerpc/include/asm/perf_event.h +++ b/arch/powerpc/include/asm/perf_event.h @@ -26,6 +26,8 @@ #include <asm/ptrace.h> #include <asm/reg.h> +#define perf_arch_bpf_user_pt_regs(regs) ®s->user_regs + /* * Overload regs->result to specify whether we should use the MSR (result * is zero) or the SIAR (result is non zero). diff --git a/arch/powerpc/include/uapi/asm/Kbuild b/arch/powerpc/include/uapi/asm/Kbuild index a658091a19f9..3712152206f3 100644 --- a/arch/powerpc/include/uapi/asm/Kbuild +++ b/arch/powerpc/include/uapi/asm/Kbuild @@ -1,7 +1,6 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm -generic-y += bpf_perf_event.h generic-y += param.h generic-y += poll.h generic-y += resource.h diff --git a/arch/powerpc/include/uapi/asm/bpf_perf_event.h b/arch/powerpc/include/uapi/asm/bpf_perf_event.h new file mode 100644 index 000000000000..b551b741653d --- /dev/null +++ b/arch/powerpc/include/uapi/asm/bpf_perf_event.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _UAPI__ASM_BPF_PERF_EVENT_H__ +#define _UAPI__ASM_BPF_PERF_EVENT_H__ + +#include <asm/ptrace.h> + +typedef struct user_pt_regs bpf_user_pt_regs_t; + +#endif /* _UAPI__ASM_BPF_PERF_EVENT_H__ */ diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 33b34a58fc62..5b9dce17f0c9 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -372,6 +372,8 @@ void __init find_legacy_serial_ports(void) /* Now find out if one of these is out firmware console */ path = of_get_property(of_chosen, "linux,stdout-path", NULL); + if (path == NULL) + path = of_get_property(of_chosen, "stdout-path", NULL); if (path != NULL) { stdout = of_find_node_by_path(path); if (stdout) @@ -595,8 +597,10 @@ static int __init check_legacy_serial_console(void) /* We are getting a weird phandle from OF ... */ /* ... So use the full path instead */ name = of_get_property(of_chosen, "linux,stdout-path", NULL); + if (name == NULL) + name = of_get_property(of_chosen, "stdout-path", NULL); if (name == NULL) { - DBG(" no linux,stdout-path !\n"); + DBG(" no stdout-path !\n"); return -ENODEV; } prom_stdout = of_find_node_by_path(name); diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c index dab616a33b8d..f2197654be07 100644 --- a/arch/powerpc/kernel/msi.c +++ b/arch/powerpc/kernel/msi.c @@ -34,5 +34,10 @@ void arch_teardown_msi_irqs(struct pci_dev *dev) { struct pci_controller *phb = pci_bus_to_host(dev->bus); - phb->controller_ops.teardown_msi_irqs(dev); + /* + * We can be called even when arch_setup_msi_irqs() returns -ENOSYS, + * so check the pointer again. + */ + if (phb->controller_ops.teardown_msi_irqs) + phb->controller_ops.teardown_msi_irqs(dev); } diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index afb819f4ca68..714c3480c52d 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -3266,12 +3266,17 @@ long do_syscall_trace_enter(struct pt_regs *regs) user_exit(); if (test_thread_flag(TIF_SYSCALL_EMU)) { - ptrace_report_syscall(regs); /* + * A nonzero return code from tracehook_report_syscall_entry() + * tells us to prevent the syscall execution, but we are not + * going to execute it anyway. + * * Returning -1 will skip the syscall execution. We want to * avoid clobbering any register also, thus, not 'gotoing' * skip label. */ + if (tracehook_report_syscall_entry(regs)) + ; return -1; } diff --git a/arch/powerpc/mm/dump_linuxpagetables.c b/arch/powerpc/mm/dump_linuxpagetables.c index 2b74f8adf4d0..6aa41669ac1a 100644 --- a/arch/powerpc/mm/dump_linuxpagetables.c +++ b/arch/powerpc/mm/dump_linuxpagetables.c @@ -19,6 +19,7 @@ #include <linux/hugetlb.h> #include <linux/io.h> #include <linux/mm.h> +#include <linux/highmem.h> #include <linux/sched.h> #include <linux/seq_file.h> #include <asm/fixmap.h> diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 7a9886f98b0c..a5091c034747 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -188,15 +188,20 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, pr_debug("vmemmap_populate %lx..%lx, node %d\n", start, end, node); for (; start < end; start += page_size) { - void *p; + void *p = NULL; int rc; if (vmemmap_populated(start, page_size)) continue; + /* + * Allocate from the altmap first if we have one. This may + * fail due to alignment issues when using 16MB hugepages, so + * fall back to system memory if the altmap allocation fail. + */ if (altmap) p = altmap_alloc_block_buf(page_size, altmap); - else + if (!p) p = vmemmap_alloc_block_buf(page_size, node); if (!p) return -ENOMEM; @@ -255,8 +260,15 @@ void __ref vmemmap_free(unsigned long start, unsigned long end, { unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift; unsigned long page_order = get_order(page_size); + unsigned long alt_start = ~0, alt_end = ~0; + unsigned long base_pfn; start = _ALIGN_DOWN(start, page_size); + if (altmap) { + alt_start = altmap->base_pfn; + alt_end = altmap->base_pfn + altmap->reserve + + altmap->free + altmap->alloc + altmap->align; + } pr_debug("vmemmap_free %lx...%lx\n", start, end); @@ -280,8 +292,9 @@ void __ref vmemmap_free(unsigned long start, unsigned long end, page = pfn_to_page(addr >> PAGE_SHIFT); section_base = pfn_to_page(vmemmap_section_start(start)); nr_pages = 1 << page_order; + base_pfn = PHYS_PFN(addr); - if (altmap) { + if (base_pfn >= alt_start && base_pfn < alt_end) { vmem_altmap_free(altmap, nr_pages); } else if (PageReserved(page)) { /* allocated from bootmem */ diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 2e4bd32154b5..472b784f01eb 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -140,8 +140,7 @@ config IBMEBUS Bus device driver for GX bus based adapters. config PAPR_SCM - depends on PPC_PSERIES && MEMORY_HOTPLUG - select LIBNVDIMM + depends on PPC_PSERIES && MEMORY_HOTPLUG && LIBNVDIMM tristate "Support for the PAPR Storage Class Memory interface" help Enable access to hypervisor provided storage class memory. diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c index ee9372b65ca5..7d6457ab5d34 100644 --- a/arch/powerpc/platforms/pseries/papr_scm.c +++ b/arch/powerpc/platforms/pseries/papr_scm.c @@ -55,7 +55,7 @@ static int drc_pmem_bind(struct papr_scm_priv *p) do { rc = plpar_hcall(H_SCM_BIND_MEM, ret, p->drc_index, 0, p->blocks, BIND_ANY_ADDR, token); - token = be64_to_cpu(ret[0]); + token = ret[0]; cond_resched(); } while (rc == H_BUSY); @@ -64,7 +64,7 @@ static int drc_pmem_bind(struct papr_scm_priv *p) return -ENXIO; } - p->bound_addr = be64_to_cpu(ret[1]); + p->bound_addr = ret[1]; dev_dbg(&p->pdev->dev, "bound drc %x to %pR\n", p->drc_index, &p->res); @@ -82,7 +82,7 @@ static int drc_pmem_unbind(struct papr_scm_priv *p) do { rc = plpar_hcall(H_SCM_UNBIND_MEM, ret, p->drc_index, p->bound_addr, p->blocks, token); - token = be64_to_cpu(ret); + token = ret[0]; cond_resched(); } while (rc == H_BUSY); @@ -223,6 +223,9 @@ static int papr_scm_nvdimm_init(struct papr_scm_priv *p) goto err; } + if (nvdimm_bus_check_dimm_count(p->bus, 1)) + goto err; + /* now add the region */ memset(&mapping, 0, sizeof(mapping)); @@ -257,9 +260,12 @@ err: nvdimm_bus_unregister(p->bus); static int papr_scm_probe(struct platform_device *pdev) { - uint32_t drc_index, metadata_size, unit_cap[2]; struct device_node *dn = pdev->dev.of_node; + u32 drc_index, metadata_size; + u64 blocks, block_size; struct papr_scm_priv *p; + const char *uuid_str; + u64 uuid[2]; int rc; /* check we have all the required DT properties */ @@ -268,8 +274,18 @@ static int papr_scm_probe(struct platform_device *pdev) return -ENODEV; } - if (of_property_read_u32_array(dn, "ibm,unit-capacity", unit_cap, 2)) { - dev_err(&pdev->dev, "%pOF: missing unit-capacity!\n", dn); + if (of_property_read_u64(dn, "ibm,block-size", &block_size)) { + dev_err(&pdev->dev, "%pOF: missing block-size!\n", dn); + return -ENODEV; + } + + if (of_property_read_u64(dn, "ibm,number-of-blocks", &blocks)) { + dev_err(&pdev->dev, "%pOF: missing number-of-blocks!\n", dn); + return -ENODEV; + } + + if (of_property_read_string(dn, "ibm,unit-guid", &uuid_str)) { + dev_err(&pdev->dev, "%pOF: missing unit-guid!\n", dn); return -ENODEV; } @@ -282,8 +298,13 @@ static int papr_scm_probe(struct platform_device *pdev) p->dn = dn; p->drc_index = drc_index; - p->block_size = unit_cap[0]; - p->blocks = unit_cap[1]; + p->block_size = block_size; + p->blocks = blocks; + + /* We just need to ensure that set cookies are unique across */ + uuid_parse(uuid_str, (uuid_t *) uuid); + p->nd_set.cookie1 = uuid[0]; + p->nd_set.cookie2 = uuid[1]; /* might be zero */ p->metadata_size = metadata_size; @@ -296,7 +317,7 @@ static int papr_scm_probe(struct platform_device *pdev) /* setup the resource for the newly bound range */ p->res.start = p->bound_addr; - p->res.end = p->bound_addr + p->blocks * p->block_size; + p->res.end = p->bound_addr + p->blocks * p->block_size - 1; p->res.name = pdev->name; p->res.flags = IORESOURCE_MEM; diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 98cb8c802b1a..4f7f235f15f8 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -24,6 +24,7 @@ #define __IO_PREFIX generic #include <asm/io_generic.h> #include <asm/io_trapped.h> +#include <asm-generic/pci_iomap.h> #include <mach/mangle-port.h> #define __raw_writeb(v,a) (__chk_io_ptr(a), *(volatile u8 __force *)(a) = (v)) diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index c8f73efb4ece..9e39cc8bd989 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -390,6 +390,7 @@ #define MSR_F15H_NB_PERF_CTR 0xc0010241 #define MSR_F15H_PTSC 0xc0010280 #define MSR_F15H_IC_CFG 0xc0011021 +#define MSR_F15H_EX_CFG 0xc001102c /* Fam 10h MSRs */ #define MSR_FAM10H_MMIO_CONF_BASE 0xc0010058 diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 02edd9960e9d..8d5d984541be 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -11985,6 +11985,8 @@ static void nested_get_vmcs12_pages(struct kvm_vcpu *vcpu) kunmap(vmx->nested.pi_desc_page); kvm_release_page_dirty(vmx->nested.pi_desc_page); vmx->nested.pi_desc_page = NULL; + vmx->nested.pi_desc = NULL; + vmcs_write64(POSTED_INTR_DESC_ADDR, -1ull); } page = kvm_vcpu_gpa_to_page(vcpu, vmcs12->posted_intr_desc_addr); if (is_error_page(page)) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d02937760c3b..f049ecfac7bb 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2426,6 +2426,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_AMD64_PATCH_LOADER: case MSR_AMD64_BU_CFG2: case MSR_AMD64_DC_CFG: + case MSR_F15H_EX_CFG: break; case MSR_IA32_UCODE_REV: @@ -2721,6 +2722,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) case MSR_AMD64_BU_CFG2: case MSR_IA32_PERF_CTL: case MSR_AMD64_DC_CFG: + case MSR_F15H_EX_CFG: msr_info->data = 0; break; case MSR_F15H_PERF_CTL0 ... MSR_F15H_PERF_CTR5: @@ -7446,7 +7448,7 @@ void kvm_make_scan_ioapic_request(struct kvm *kvm) static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu) { - if (!kvm_apic_hw_enabled(vcpu->arch.apic)) + if (!kvm_apic_present(vcpu)) return; bitmap_zero(vcpu->arch.ioapic_handled_vectors, 256); |