diff options
author | Gary Bisson <gary.bisson@boundarydevices.com> | 2018-09-18 11:07:53 +0200 |
---|---|---|
committer | Gary Bisson <gary.bisson@boundarydevices.com> | 2018-09-18 11:07:53 +0200 |
commit | ded0ac8f40f9561d8ab2f8ef6c9ff8dc435f2b41 (patch) | |
tree | 18a3de8603efe48e4d7c3036cf70d3b066de99a6 /arch/arm | |
parent | 6a71cbc089755afd6a86c005c22a1af6eab24a70 (diff) | |
parent | 927556eb3a72306db1ba5ab8b9bb9914433302ba (diff) |
Merge tag 'v4.9.127' into imx_4.9.x_2.3.0_ga
This is the 4.9.127 stable release
Conflicts:
drivers/gpu/drm/imx/imx-ldb.c
drivers/staging/android/ion/ion_priv.h
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/boot/dts/am3517.dtsi | 5 | ||||
-rw-r--r-- | arch/arm/boot/dts/am437x-sk-evm.dts | 2 | ||||
-rw-r--r-- | arch/arm/boot/dts/bcm-cygnus.dtsi | 24 | ||||
-rw-r--r-- | arch/arm/boot/dts/bcm-nsp.dtsi | 32 | ||||
-rw-r--r-- | arch/arm/boot/dts/da850.dtsi | 6 | ||||
-rw-r--r-- | arch/arm/boot/dts/tegra30-cardhu.dtsi | 1 | ||||
-rw-r--r-- | arch/arm/configs/imx_v4_v5_defconfig | 2 | ||||
-rw-r--r-- | arch/arm/kvm/mmu.c | 42 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap-smp.c | 41 | ||||
-rw-r--r-- | arch/arm/mach-pxa/irq.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-rockchip/Kconfig | 1 | ||||
-rw-r--r-- | arch/arm/mm/init.c | 9 |
12 files changed, 123 insertions, 46 deletions
diff --git a/arch/arm/boot/dts/am3517.dtsi b/arch/arm/boot/dts/am3517.dtsi index 0db19d39d24c..d022b6b03273 100644 --- a/arch/arm/boot/dts/am3517.dtsi +++ b/arch/arm/boot/dts/am3517.dtsi @@ -74,6 +74,11 @@ }; }; +/* Table Table 5-79 of the TRM shows 480ab000 is reserved */ +&usb_otg_hs { + status = "disabled"; +}; + &iva { status = "disabled"; }; diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts index 319d94205350..6482ada22015 100644 --- a/arch/arm/boot/dts/am437x-sk-evm.dts +++ b/arch/arm/boot/dts/am437x-sk-evm.dts @@ -533,6 +533,8 @@ touchscreen-size-x = <480>; touchscreen-size-y = <272>; + + wakeup-source; }; tlv320aic3106: tlv320aic3106@1b { diff --git a/arch/arm/boot/dts/bcm-cygnus.dtsi b/arch/arm/boot/dts/bcm-cygnus.dtsi index fabc9f36c408..5ad61537990e 100644 --- a/arch/arm/boot/dts/bcm-cygnus.dtsi +++ b/arch/arm/boot/dts/bcm-cygnus.dtsi @@ -128,7 +128,7 @@ reg = <0x18008000 0x100>; #address-cells = <1>; #size-cells = <0>; - interrupts = <GIC_SPI 85 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <100000>; status = "disabled"; }; @@ -157,7 +157,7 @@ reg = <0x1800b000 0x100>; #address-cells = <1>; #size-cells = <0>; - interrupts = <GIC_SPI 86 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <100000>; status = "disabled"; }; @@ -168,7 +168,7 @@ #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_NONE>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; linux,pci-domain = <0>; @@ -190,10 +190,10 @@ compatible = "brcm,iproc-msi"; msi-controller; interrupt-parent = <&gic>; - interrupts = <GIC_SPI 96 IRQ_TYPE_NONE>, - <GIC_SPI 97 IRQ_TYPE_NONE>, - <GIC_SPI 98 IRQ_TYPE_NONE>, - <GIC_SPI 99 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>; }; }; @@ -203,7 +203,7 @@ #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_NONE>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>; linux,pci-domain = <1>; @@ -225,10 +225,10 @@ compatible = "brcm,iproc-msi"; msi-controller; interrupt-parent = <&gic>; - interrupts = <GIC_SPI 102 IRQ_TYPE_NONE>, - <GIC_SPI 103 IRQ_TYPE_NONE>, - <GIC_SPI 104 IRQ_TYPE_NONE>, - <GIC_SPI 105 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>; }; }; diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi index 65e0db1d3bd7..6e3d3b50824e 100644 --- a/arch/arm/boot/dts/bcm-nsp.dtsi +++ b/arch/arm/boot/dts/bcm-nsp.dtsi @@ -288,7 +288,7 @@ reg = <0x38000 0x50>; #address-cells = <1>; #size-cells = <0>; - interrupts = <GIC_SPI 89 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <100000>; }; @@ -375,7 +375,7 @@ #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 131 IRQ_TYPE_NONE>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>; linux,pci-domain = <0>; @@ -397,10 +397,10 @@ compatible = "brcm,iproc-msi"; msi-controller; interrupt-parent = <&gic>; - interrupts = <GIC_SPI 127 IRQ_TYPE_NONE>, - <GIC_SPI 128 IRQ_TYPE_NONE>, - <GIC_SPI 129 IRQ_TYPE_NONE>, - <GIC_SPI 130 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>; brcm,pcie-msi-inten; }; }; @@ -411,7 +411,7 @@ #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 137 IRQ_TYPE_NONE>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>; linux,pci-domain = <1>; @@ -433,10 +433,10 @@ compatible = "brcm,iproc-msi"; msi-controller; interrupt-parent = <&gic>; - interrupts = <GIC_SPI 133 IRQ_TYPE_NONE>, - <GIC_SPI 134 IRQ_TYPE_NONE>, - <GIC_SPI 135 IRQ_TYPE_NONE>, - <GIC_SPI 136 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>; brcm,pcie-msi-inten; }; }; @@ -447,7 +447,7 @@ #interrupt-cells = <1>; interrupt-map-mask = <0 0 0 0>; - interrupt-map = <0 0 0 0 &gic GIC_SPI 143 IRQ_TYPE_NONE>; + interrupt-map = <0 0 0 0 &gic GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>; linux,pci-domain = <2>; @@ -469,10 +469,10 @@ compatible = "brcm,iproc-msi"; msi-controller; interrupt-parent = <&gic>; - interrupts = <GIC_SPI 139 IRQ_TYPE_NONE>, - <GIC_SPI 140 IRQ_TYPE_NONE>, - <GIC_SPI 141 IRQ_TYPE_NONE>, - <GIC_SPI 142 IRQ_TYPE_NONE>; + interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>; brcm,pcie-msi-inten; }; }; diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index f79e1b91c680..51ab92fa7a6a 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -377,11 +377,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x226000 0x1000>; - interrupts = <42 IRQ_TYPE_EDGE_BOTH - 43 IRQ_TYPE_EDGE_BOTH 44 IRQ_TYPE_EDGE_BOTH - 45 IRQ_TYPE_EDGE_BOTH 46 IRQ_TYPE_EDGE_BOTH - 47 IRQ_TYPE_EDGE_BOTH 48 IRQ_TYPE_EDGE_BOTH - 49 IRQ_TYPE_EDGE_BOTH 50 IRQ_TYPE_EDGE_BOTH>; + interrupts = <42 43 44 45 46 47 48 49 50>; ti,ngpio = <144>; ti,davinci-gpio-unbanked = <0>; status = "disabled"; diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi b/arch/arm/boot/dts/tegra30-cardhu.dtsi index f11012bb58cc..cfcf5dcb51a8 100644 --- a/arch/arm/boot/dts/tegra30-cardhu.dtsi +++ b/arch/arm/boot/dts/tegra30-cardhu.dtsi @@ -205,6 +205,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x70>; + reset-gpio = <&gpio TEGRA_GPIO(BB, 0) GPIO_ACTIVE_LOW>; }; }; diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig index 5f013c9fc1ed..8290c9ace6e9 100644 --- a/arch/arm/configs/imx_v4_v5_defconfig +++ b/arch/arm/configs/imx_v4_v5_defconfig @@ -145,9 +145,11 @@ CONFIG_USB_STORAGE=y CONFIG_USB_CHIPIDEA=y CONFIG_USB_CHIPIDEA_UDC=y CONFIG_USB_CHIPIDEA_HOST=y +CONFIG_USB_CHIPIDEA_ULPI=y CONFIG_NOP_USB_XCEIV=y CONFIG_USB_GADGET=y CONFIG_USB_ETH=m +CONFIG_USB_ULPI_BUS=y CONFIG_MMC=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index 7f868d9bb5ed..b3d268a79f05 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -894,19 +894,35 @@ static int stage2_set_pmd_huge(struct kvm *kvm, struct kvm_mmu_memory_cache pmd = stage2_get_pmd(kvm, cache, addr); VM_BUG_ON(!pmd); - /* - * Mapping in huge pages should only happen through a fault. If a - * page is merged into a transparent huge page, the individual - * subpages of that huge page should be unmapped through MMU - * notifiers before we get here. - * - * Merging of CompoundPages is not supported; they should become - * splitting first, unmapped, merged, and mapped back in on-demand. - */ - VM_BUG_ON(pmd_present(*pmd) && pmd_pfn(*pmd) != pmd_pfn(*new_pmd)); - old_pmd = *pmd; if (pmd_present(old_pmd)) { + /* + * Multiple vcpus faulting on the same PMD entry, can + * lead to them sequentially updating the PMD with the + * same value. Following the break-before-make + * (pmd_clear() followed by tlb_flush()) process can + * hinder forward progress due to refaults generated + * on missing translations. + * + * Skip updating the page table if the entry is + * unchanged. + */ + if (pmd_val(old_pmd) == pmd_val(*new_pmd)) + return 0; + + /* + * Mapping in huge pages should only happen through a + * fault. If a page is merged into a transparent huge + * page, the individual subpages of that huge page + * should be unmapped through MMU notifiers before we + * get here. + * + * Merging of CompoundPages is not supported; they + * should become splitting first, unmapped, merged, + * and mapped back in on-demand. + */ + VM_BUG_ON(pmd_pfn(old_pmd) != pmd_pfn(*new_pmd)); + pmd_clear(pmd); kvm_tlb_flush_vmid_ipa(kvm, addr); } else { @@ -962,6 +978,10 @@ static int stage2_set_pte(struct kvm *kvm, struct kvm_mmu_memory_cache *cache, /* Create 2nd stage page table mapping - Level 3 */ old_pte = *pte; if (pte_present(old_pte)) { + /* Skip page table update if there is no change */ + if (pte_val(old_pte) == pte_val(*new_pte)) + return 0; + kvm_set_pte(pte, __pte(0)); kvm_tlb_flush_vmid_ipa(kvm, addr); } else { diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index b4de3da6dffa..f7f36da80f40 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -104,6 +104,45 @@ void omap5_erratum_workaround_801819(void) static inline void omap5_erratum_workaround_801819(void) { } #endif +#ifdef CONFIG_HARDEN_BRANCH_PREDICTOR +/* + * Configure ACR and enable ACTLR[0] (Enable invalidates of BTB with + * ICIALLU) to activate the workaround for secondary Core. + * NOTE: it is assumed that the primary core's configuration is done + * by the boot loader (kernel will detect a misconfiguration and complain + * if this is not done). + * + * In General Purpose(GP) devices, ACR bit settings can only be done + * by ROM code in "secure world" using the smc call and there is no + * option to update the "firmware" on such devices. This also works for + * High security(HS) devices, as a backup option in case the + * "update" is not done in the "security firmware". + */ +static void omap5_secondary_harden_predictor(void) +{ + u32 acr, acr_mask; + + asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr)); + + /* + * ACTLR[0] (Enable invalidates of BTB with ICIALLU) + */ + acr_mask = BIT(0); + + /* Do we already have it done.. if yes, skip expensive smc */ + if ((acr & acr_mask) == acr_mask) + return; + + acr |= acr_mask; + omap_smc1(OMAP5_DRA7_MON_SET_ACR_INDEX, acr); + + pr_debug("%s: ARM ACR setup for CVE_2017_5715 applied on CPU%d\n", + __func__, smp_processor_id()); +} +#else +static inline void omap5_secondary_harden_predictor(void) { } +#endif + static void omap4_secondary_init(unsigned int cpu) { /* @@ -126,6 +165,8 @@ static void omap4_secondary_init(unsigned int cpu) set_cntfreq(); /* Configure ACR to disable streaming WA for 801819 */ omap5_erratum_workaround_801819(); + /* Enable ACR to allow for ICUALLU workaround */ + omap5_secondary_harden_predictor(); } /* diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index 9c10248fadcc..4e8c2116808e 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -185,7 +185,7 @@ static int pxa_irq_suspend(void) { int i; - for (i = 0; i < pxa_internal_irq_nr / 32; i++) { + for (i = 0; i < DIV_ROUND_UP(pxa_internal_irq_nr, 32); i++) { void __iomem *base = irq_base(i); saved_icmr[i] = __raw_readl(base + ICMR); @@ -204,7 +204,7 @@ static void pxa_irq_resume(void) { int i; - for (i = 0; i < pxa_internal_irq_nr / 32; i++) { + for (i = 0; i < DIV_ROUND_UP(pxa_internal_irq_nr, 32); i++) { void __iomem *base = irq_base(i); __raw_writel(saved_icmr[i], base + ICMR); diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig index 9ad84cd01ba0..5ed8fa5a9825 100644 --- a/arch/arm/mach-rockchip/Kconfig +++ b/arch/arm/mach-rockchip/Kconfig @@ -16,6 +16,7 @@ config ARCH_ROCKCHIP select ROCKCHIP_TIMER select ARM_GLOBAL_TIMER select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK + select PM help Support for Rockchip's Cortex-A9 Single-to-Quad-Core-SoCs containing the RK2928, RK30xx and RK31xx series. diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 4c587ad8bfe3..1565d6b67163 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -722,19 +722,28 @@ int __mark_rodata_ro(void *unused) return 0; } +static int kernel_set_to_readonly __read_mostly; + void mark_rodata_ro(void) { + kernel_set_to_readonly = 1; stop_machine(__mark_rodata_ro, NULL, NULL); } void set_kernel_text_rw(void) { + if (!kernel_set_to_readonly) + return; + set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), false, current->active_mm); } void set_kernel_text_ro(void) { + if (!kernel_set_to_readonly) + return; + set_section_perms(ro_perms, ARRAY_SIZE(ro_perms), true, current->active_mm); } |