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-rw-r--r--arch/arm64/Kconfig13
-rw-r--r--arch/arm64/boot/dts/freescale/Makefile1
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi32
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts5
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp.dtsi6
-rw-r--r--arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi2
-rw-r--r--arch/arm64/boot/dts/freescale/imx93.dtsi4
-rw-r--r--arch/arm64/boot/dts/mediatek/mt7622.dtsi2
-rw-r--r--arch/arm64/boot/dts/mediatek/mt7986a.dtsi2
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8195-demo.dts39
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8195.dtsi11
-rw-r--r--arch/arm64/boot/dts/qcom/sm8150.dtsi2
-rw-r--r--arch/arm64/configs/defconfig2
-rw-r--r--arch/arm64/include/asm/acpi.h19
-rw-r--r--arch/arm64/include/asm/cpufeature.h2
-rw-r--r--arch/arm64/include/asm/cputype.h2
-rw-r--r--arch/arm64/include/asm/hugetlb.h2
-rw-r--r--arch/arm64/include/asm/kvm_hyp.h2
-rw-r--r--arch/arm64/kernel/cpu_errata.c8
-rw-r--r--arch/arm64/kernel/cpufeature.c3
-rw-r--r--arch/arm64/kernel/entry.S4
-rw-r--r--arch/arm64/kvm/hyp/include/nvhe/ffa.h2
-rw-r--r--arch/arm64/kvm/hyp/nvhe/ffa.c3
-rw-r--r--arch/arm64/kvm/hyp/nvhe/hyp-init.S1
-rw-r--r--arch/arm64/kvm/hyp/nvhe/hyp-main.c8
-rw-r--r--arch/arm64/kvm/hyp/nvhe/psci-relay.c3
-rw-r--r--arch/arm64/kvm/mmu.c3
-rw-r--r--arch/arm64/mm/hugetlbpage.c23
-rw-r--r--arch/arm64/tools/cpucaps1
-rw-r--r--arch/arm64/tools/sysreg6
30 files changed, 152 insertions, 61 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index b10515c0200b..78f20e632712 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1037,6 +1037,19 @@ config ARM64_ERRATUM_2645198
If unsure, say Y.
+config ARM64_ERRATUM_2966298
+ bool "Cortex-A520: 2966298: workaround for speculatively executed unprivileged load"
+ default y
+ help
+ This option adds the workaround for ARM Cortex-A520 erratum 2966298.
+
+ On an affected Cortex-A520 core, a speculatively executed unprivileged
+ load might leak data from a privileged level via a cache side channel.
+
+ Work around this problem by executing a TLBI before returning to EL0.
+
+ If unsure, say Y.
+
config CAVIUM_ERRATUM_22375
bool "Cavium erratum 22375, 24313"
default y
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index c6872b7e9471..89aee6c92576 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -66,6 +66,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-mx8menlo.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-nitrogen-r2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-phg.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-phyboard-polis-rdk.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mm-prt8mm.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-tqma8mqml-mba8mx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-var-som-symphony.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw71xx-0x.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index e31ab8b4f54f..a882c86ec313 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -26,7 +26,7 @@
port {
hdmi_connector_in: endpoint {
- remote-endpoint = <&adv7533_out>;
+ remote-endpoint = <&adv7535_out>;
};
};
};
@@ -72,6 +72,13 @@
enable-active-high;
};
+ reg_vddext_3v3: regulator-vddext-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDEXT_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm1 0 5000000 0>;
@@ -317,15 +324,16 @@
hdmi@3d {
compatible = "adi,adv7535";
- reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>;
- reg-names = "main", "cec", "edid", "packet";
+ reg = <0x3d>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
adi,dsi-lanes = <4>;
-
- adi,input-depth = <8>;
- adi,input-colorspace = "rgb";
- adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
+ avdd-supply = <&buck5_reg>;
+ dvdd-supply = <&buck5_reg>;
+ pvdd-supply = <&buck5_reg>;
+ a2vdd-supply = <&buck5_reg>;
+ v3p3-supply = <&reg_vddext_3v3>;
+ v1p2-supply = <&buck5_reg>;
ports {
#address-cells = <1>;
@@ -334,7 +342,7 @@
port@0 {
reg = <0>;
- adv7533_in: endpoint {
+ adv7535_in: endpoint {
remote-endpoint = <&dsi_out>;
};
};
@@ -342,7 +350,7 @@
port@1 {
reg = <1>;
- adv7533_out: endpoint {
+ adv7535_out: endpoint {
remote-endpoint = <&hdmi_connector_in>;
};
};
@@ -448,7 +456,7 @@
reg = <1>;
dsi_out: endpoint {
- remote-endpoint = <&adv7533_in>;
+ remote-endpoint = <&adv7535_in>;
data-lanes = <1 2 3 4>;
};
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
index 06e91297fb16..acd265d8b58e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts
@@ -381,9 +381,10 @@
&sai3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sai3>;
- assigned-clocks = <&clk IMX8MP_CLK_SAI3>;
+ assigned-clocks = <&clk IMX8MP_CLK_SAI3>,
+ <&clk IMX8MP_AUDIO_PLL2> ;
assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL2_OUT>;
- assigned-clock-rates = <12288000>;
+ assigned-clock-rates = <12288000>, <361267200>;
fsl,sai-mclk-direction-output;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 6f2f50e1639c..83d907294fbc 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -790,6 +790,12 @@
reg = <IMX8MP_POWER_DOMAIN_AUDIOMIX>;
clocks = <&clk IMX8MP_CLK_AUDIO_ROOT>,
<&clk IMX8MP_CLK_AUDIO_AXI>;
+ assigned-clocks = <&clk IMX8MP_CLK_AUDIO_AHB>,
+ <&clk IMX8MP_CLK_AUDIO_AXI_SRC>;
+ assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_800M>,
+ <&clk IMX8MP_SYS_PLL1_800M>;
+ assigned-clock-rates = <400000000>,
+ <600000000>;
};
pgc_gpu2d: power-domain@6 {
diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
index 1c71c08becde..f6e422dc2663 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
@@ -81,7 +81,7 @@
&gpio1 {
pmic-irq-hog {
gpio-hog;
- gpios = <2 GPIO_ACTIVE_LOW>;
+ gpios = <3 GPIO_ACTIVE_LOW>;
input;
line-name = "PMIC_IRQ#";
};
diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
index 6f85a05ee7e1..dcf6e4846ac9 100644
--- a/arch/arm64/boot/dts/freescale/imx93.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
@@ -185,7 +185,7 @@
#size-cells = <1>;
ranges;
- anomix_ns_gpr: syscon@44210000 {
+ aonmix_ns_gpr: syscon@44210000 {
compatible = "fsl,imx93-aonmix-ns-syscfg", "syscon";
reg = <0x44210000 0x1000>;
};
@@ -319,6 +319,7 @@
assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
assigned-clock-rates = <40000000>;
fsl,clk-source = /bits/ 8 <0>;
+ fsl,stop-mode = <&aonmix_ns_gpr 0x14 0>;
status = "disabled";
};
@@ -591,6 +592,7 @@
assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
assigned-clock-rates = <40000000>;
fsl,clk-source = /bits/ 8 <0>;
+ fsl,stop-mode = <&wakeupmix_gpr 0x0c 2>;
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 36ef2dbe8add..3ee9266fa8e9 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -905,7 +905,7 @@
status = "disabled";
};
- sata_phy: t-phy@1a243000 {
+ sata_phy: t-phy {
compatible = "mediatek,mt7622-tphy",
"mediatek,generic-tphy-v1";
#address-cells = <2>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 68539ea788df..24eda00e320d 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -434,7 +434,7 @@
};
};
- pcie_phy: t-phy@11c00000 {
+ pcie_phy: t-phy {
compatible = "mediatek,mt7986-tphy",
"mediatek,generic-tphy-v2";
#address-cells = <2>;
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
index b2485ddfd33b..5d635085fe3f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8195-demo.dts
@@ -48,7 +48,7 @@
memory@40000000 {
device_type = "memory";
- reg = <0 0x40000000 0 0x80000000>;
+ reg = <0 0x40000000 0x2 0x00000000>;
};
reserved-memory {
@@ -56,13 +56,8 @@
#size-cells = <2>;
ranges;
- /* 2 MiB reserved for ARM Trusted Firmware (BL31) */
- bl31_secmon_reserved: secmon@54600000 {
- no-map;
- reg = <0 0x54600000 0x0 0x200000>;
- };
-
- /* 12 MiB reserved for OP-TEE (BL32)
+ /*
+ * 12 MiB reserved for OP-TEE (BL32)
* +-----------------------+ 0x43e0_0000
* | SHMEM 2MiB |
* +-----------------------+ 0x43c0_0000
@@ -75,6 +70,34 @@
no-map;
reg = <0 0x43200000 0 0x00c00000>;
};
+
+ scp_mem: memory@50000000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x50000000 0 0x2900000>;
+ no-map;
+ };
+
+ vpu_mem: memory@53000000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x53000000 0 0x1400000>; /* 20 MB */
+ };
+
+ /* 2 MiB reserved for ARM Trusted Firmware (BL31) */
+ bl31_secmon_mem: memory@54600000 {
+ no-map;
+ reg = <0 0x54600000 0x0 0x200000>;
+ };
+
+ snd_dma_mem: memory@60000000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x60000000 0 0x1100000>;
+ no-map;
+ };
+
+ apu_mem: memory@62000000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x62000000 0 0x1400000>; /* 20 MB */
+ };
};
};
diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
index 4dbbf8fdab75..54c674c45b49 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi
@@ -313,6 +313,7 @@
interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH 0>;
cpus = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>,
<&cpu4>, <&cpu5>, <&cpu6>, <&cpu7>;
+ status = "fail";
};
dmic_codec: dmic-codec {
@@ -2957,7 +2958,7 @@
clock-names = "merge","merge_async";
power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>;
mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0xc000 0x1000>;
- mediatek,merge-mute = <1>;
+ mediatek,merge-mute;
resets = <&vdosys1 MT8195_VDOSYS1_SW0_RST_B_MERGE0_DL_ASYNC>;
};
@@ -2970,7 +2971,7 @@
clock-names = "merge","merge_async";
power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>;
mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0xd000 0x1000>;
- mediatek,merge-mute = <1>;
+ mediatek,merge-mute;
resets = <&vdosys1 MT8195_VDOSYS1_SW0_RST_B_MERGE1_DL_ASYNC>;
};
@@ -2983,7 +2984,7 @@
clock-names = "merge","merge_async";
power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>;
mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0xe000 0x1000>;
- mediatek,merge-mute = <1>;
+ mediatek,merge-mute;
resets = <&vdosys1 MT8195_VDOSYS1_SW0_RST_B_MERGE2_DL_ASYNC>;
};
@@ -2996,7 +2997,7 @@
clock-names = "merge","merge_async";
power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>;
mediatek,gce-client-reg = <&gce0 SUBSYS_1c10XXXX 0xf000 0x1000>;
- mediatek,merge-mute = <1>;
+ mediatek,merge-mute;
resets = <&vdosys1 MT8195_VDOSYS1_SW0_RST_B_MERGE3_DL_ASYNC>;
};
@@ -3009,7 +3010,7 @@
clock-names = "merge","merge_async";
power-domains = <&spm MT8195_POWER_DOMAIN_VDOSYS1>;
mediatek,gce-client-reg = <&gce0 SUBSYS_1c11XXXX 0x0000 0x1000>;
- mediatek,merge-fifo-en = <1>;
+ mediatek,merge-fifo-en;
resets = <&vdosys1 MT8195_VDOSYS1_SW0_RST_B_MERGE4_DL_ASYNC>;
};
diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index a7c3020a5de4..06c53000bb74 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -3958,7 +3958,7 @@
pdc: interrupt-controller@b220000 {
compatible = "qcom,sm8150-pdc", "qcom,pdc";
- reg = <0 0x0b220000 0 0x400>;
+ reg = <0 0x0b220000 0 0x30000>;
qcom,pdc-ranges = <0 480 94>, <94 609 31>,
<125 63 1>;
#interrupt-cells = <2>;
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 5315789f4868..a789119e6483 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -636,6 +636,7 @@ CONFIG_POWER_RESET_MSM=y
CONFIG_POWER_RESET_QCOM_PON=m
CONFIG_POWER_RESET_XGENE=y
CONFIG_POWER_RESET_SYSCON=y
+CONFIG_POWER_RESET_SYSCON_POWEROFF=y
CONFIG_SYSCON_REBOOT_MODE=y
CONFIG_NVMEM_REBOOT_MODE=m
CONFIG_BATTERY_SBS=m
@@ -1175,7 +1176,6 @@ CONFIG_COMMON_CLK_S2MPS11=y
CONFIG_COMMON_CLK_PWM=y
CONFIG_COMMON_CLK_RS9_PCIE=y
CONFIG_COMMON_CLK_VC5=y
-CONFIG_COMMON_CLK_NPCM8XX=y
CONFIG_COMMON_CLK_BD718XX=m
CONFIG_CLK_RASPBERRYPI=m
CONFIG_CLK_IMX8MM=y
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index 4d537d56eb84..6792a1f83f2a 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -9,6 +9,7 @@
#ifndef _ASM_ACPI_H
#define _ASM_ACPI_H
+#include <linux/cpuidle.h>
#include <linux/efi.h>
#include <linux/memblock.h>
#include <linux/psci.h>
@@ -44,6 +45,24 @@
#define ACPI_MADT_GICC_TRBE (offsetof(struct acpi_madt_generic_interrupt, \
trbe_interrupt) + sizeof(u16))
+/*
+ * ArmĀ® Functional Fixed Hardware Specification Version 1.2.
+ * Table 2: Arm Architecture context loss flags
+ */
+#define CPUIDLE_CORE_CTXT BIT(0) /* Core context Lost */
+
+static inline unsigned int arch_get_idle_state_flags(u32 arch_flags)
+{
+ if (arch_flags & CPUIDLE_CORE_CTXT)
+ return CPUIDLE_FLAG_TIMER_STOP;
+
+ return 0;
+}
+#define arch_get_idle_state_flags arch_get_idle_state_flags
+
+#define CPUIDLE_TRACE_CTXT BIT(1) /* Trace context loss */
+#define CPUIDLE_GICR_CTXT BIT(2) /* GICR */
+#define CPUIDLE_GICD_CTXT BIT(3) /* GICD */
/* Basic configuration for ACPI */
#ifdef CONFIG_ACPI
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index 96e50227f940..5bba39376055 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -663,7 +663,7 @@ static inline bool supports_clearbhb(int scope)
isar2 = read_sanitised_ftr_reg(SYS_ID_AA64ISAR2_EL1);
return cpuid_feature_extract_unsigned_field(isar2,
- ID_AA64ISAR2_EL1_BC_SHIFT);
+ ID_AA64ISAR2_EL1_CLRBHB_SHIFT);
}
const struct cpumask *system_32bit_el0_cpumask(void);
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 5f6f84837a49..74d00feb62f0 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -79,6 +79,7 @@
#define ARM_CPU_PART_CORTEX_A78AE 0xD42
#define ARM_CPU_PART_CORTEX_X1 0xD44
#define ARM_CPU_PART_CORTEX_A510 0xD46
+#define ARM_CPU_PART_CORTEX_A520 0xD80
#define ARM_CPU_PART_CORTEX_A710 0xD47
#define ARM_CPU_PART_CORTEX_A715 0xD4D
#define ARM_CPU_PART_CORTEX_X2 0xD48
@@ -148,6 +149,7 @@
#define MIDR_CORTEX_A78AE MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78AE)
#define MIDR_CORTEX_X1 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X1)
#define MIDR_CORTEX_A510 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A510)
+#define MIDR_CORTEX_A520 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A520)
#define MIDR_CORTEX_A710 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A710)
#define MIDR_CORTEX_A715 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A715)
#define MIDR_CORTEX_X2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X2)
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index f43a38ac1779..2ddc33d93b13 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -28,7 +28,7 @@ pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags);
#define arch_make_huge_pte arch_make_huge_pte
#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT
extern void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte);
+ pte_t *ptep, pte_t pte, unsigned long sz);
#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS
extern int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h
index b7238c72a04c..66efd67ea7e8 100644
--- a/arch/arm64/include/asm/kvm_hyp.h
+++ b/arch/arm64/include/asm/kvm_hyp.h
@@ -118,7 +118,7 @@ void deactivate_traps_vhe_put(struct kvm_vcpu *vcpu);
u64 __guest_enter(struct kvm_vcpu *vcpu);
-bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt);
+bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt, u32 func_id);
#ifdef __KVM_NVHE_HYPERVISOR__
void __noreturn __hyp_do_panic(struct kvm_cpu_context *host_ctxt, u64 spsr,
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index be66e94a21bd..5706e74c5578 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -730,6 +730,14 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
.cpu_enable = cpu_clear_bf16_from_user_emulation,
},
#endif
+#ifdef CONFIG_ARM64_ERRATUM_2966298
+ {
+ .desc = "ARM erratum 2966298",
+ .capability = ARM64_WORKAROUND_2966298,
+ /* Cortex-A520 r0p0 - r0p1 */
+ ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A520, 0, 0, 1),
+ },
+#endif
#ifdef CONFIG_AMPERE_ERRATUM_AC03_CPU_38
{
.desc = "AmpereOne erratum AC03_CPU_38",
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index b018ae12ff5f..444a73c2e638 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -222,7 +222,8 @@ static const struct arm64_ftr_bits ftr_id_aa64isar1[] = {
static const struct arm64_ftr_bits ftr_id_aa64isar2[] = {
ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_CSSC_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_RPRFM_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_HIGHER_SAFE, ID_AA64ISAR2_EL1_BC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_CLRBHB_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_BC_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR2_EL1_MOPS_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_PTR_AUTH),
FTR_STRICT, FTR_EXACT, ID_AA64ISAR2_EL1_APA3_SHIFT, 4, 0),
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 6ad61de03d0a..a6030913cd58 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -428,6 +428,10 @@ alternative_else_nop_endif
ldp x28, x29, [sp, #16 * 14]
.if \el == 0
+alternative_if ARM64_WORKAROUND_2966298
+ tlbi vale1, xzr
+ dsb nsh
+alternative_else_nop_endif
alternative_if_not ARM64_UNMAP_KERNEL_AT_EL0
ldr lr, [sp, #S_LR]
add sp, sp, #PT_REGS_SIZE // restore sp
diff --git a/arch/arm64/kvm/hyp/include/nvhe/ffa.h b/arch/arm64/kvm/hyp/include/nvhe/ffa.h
index 1becb10ecd80..d9fd5e6c7d3c 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/ffa.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/ffa.h
@@ -12,6 +12,6 @@
#define FFA_MAX_FUNC_NUM 0x7F
int hyp_ffa_init(void *pages);
-bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt);
+bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt, u32 func_id);
#endif /* __KVM_HYP_FFA_H */
diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c
index ab4f5d160c58..6e4dba9eadef 100644
--- a/arch/arm64/kvm/hyp/nvhe/ffa.c
+++ b/arch/arm64/kvm/hyp/nvhe/ffa.c
@@ -634,9 +634,8 @@ out_handled:
return true;
}
-bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt)
+bool kvm_host_ffa_handler(struct kvm_cpu_context *host_ctxt, u32 func_id)
{
- DECLARE_REG(u64, func_id, host_ctxt, 0);
struct arm_smccc_res res;
/*
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-init.S b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
index 90fade1b032e..1cc06e6797bd 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-init.S
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-init.S
@@ -57,6 +57,7 @@ __do_hyp_init:
cmp x0, #HVC_STUB_HCALL_NR
b.lo __kvm_handle_stub_hvc
+ bic x0, x0, #ARM_SMCCC_CALL_HINTS
mov x3, #KVM_HOST_SMCCC_FUNC(__kvm_hyp_init)
cmp x0, x3
b.eq 1f
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
index 857d9bc04fd4..2385fd03ed87 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
@@ -368,6 +368,7 @@ static void handle_host_hcall(struct kvm_cpu_context *host_ctxt)
if (static_branch_unlikely(&kvm_protected_mode_initialized))
hcall_min = __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize;
+ id &= ~ARM_SMCCC_CALL_HINTS;
id -= KVM_HOST_SMCCC_ID(0);
if (unlikely(id < hcall_min || id >= ARRAY_SIZE(host_hcall)))
@@ -392,11 +393,14 @@ static void default_host_smc_handler(struct kvm_cpu_context *host_ctxt)
static void handle_host_smc(struct kvm_cpu_context *host_ctxt)
{
+ DECLARE_REG(u64, func_id, host_ctxt, 0);
bool handled;
- handled = kvm_host_psci_handler(host_ctxt);
+ func_id &= ~ARM_SMCCC_CALL_HINTS;
+
+ handled = kvm_host_psci_handler(host_ctxt, func_id);
if (!handled)
- handled = kvm_host_ffa_handler(host_ctxt);
+ handled = kvm_host_ffa_handler(host_ctxt, func_id);
if (!handled)
default_host_smc_handler(host_ctxt);
diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
index 24543d2a3490..d57bcb6ab94d 100644
--- a/arch/arm64/kvm/hyp/nvhe/psci-relay.c
+++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
@@ -273,9 +273,8 @@ static unsigned long psci_1_0_handler(u64 func_id, struct kvm_cpu_context *host_
}
}
-bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt)
+bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt, u32 func_id)
{
- DECLARE_REG(u64, func_id, host_ctxt, 0);
unsigned long ret;
switch (kvm_host_psci_config.version) {
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 587a104f66c3..482280fe22d7 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -652,6 +652,9 @@ int hyp_alloc_private_va_range(size_t size, unsigned long *haddr)
mutex_unlock(&kvm_hyp_pgd_mutex);
+ if (!ret)
+ *haddr = base;
+
return ret;
}
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 9c52718ea750..13fd592228b1 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -241,15 +241,8 @@ static void clear_flush(struct mm_struct *mm,
flush_tlb_range(&vma, saddr, addr);
}
-static inline struct folio *hugetlb_swap_entry_to_folio(swp_entry_t entry)
-{
- VM_BUG_ON(!is_migration_entry(entry) && !is_hwpoison_entry(entry));
-
- return page_folio(pfn_to_page(swp_offset_pfn(entry)));
-}
-
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
+ pte_t *ptep, pte_t pte, unsigned long sz)
{
size_t pgsize;
int i;
@@ -257,13 +250,10 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
unsigned long pfn, dpfn;
pgprot_t hugeprot;
- if (!pte_present(pte)) {
- struct folio *folio;
-
- folio = hugetlb_swap_entry_to_folio(pte_to_swp_entry(pte));
- ncontig = num_contig_ptes(folio_size(folio), &pgsize);
+ ncontig = num_contig_ptes(sz, &pgsize);
- for (i = 0; i < ncontig; i++, ptep++)
+ if (!pte_present(pte)) {
+ for (i = 0; i < ncontig; i++, ptep++, addr += pgsize)
set_pte_at(mm, addr, ptep, pte);
return;
}
@@ -273,7 +263,6 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
return;
}
- ncontig = find_num_contig(mm, addr, ptep, &pgsize);
pfn = pte_pfn(pte);
dpfn = pgsize >> PAGE_SHIFT;
hugeprot = pte_pgprot(pte);
@@ -571,5 +560,7 @@ pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr
void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep,
pte_t old_pte, pte_t pte)
{
- set_huge_pte_at(vma->vm_mm, addr, ptep, pte);
+ unsigned long psize = huge_page_size(hstate_vma(vma));
+
+ set_huge_pte_at(vma->vm_mm, addr, ptep, pte, psize);
}
diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps
index c3f06fdef609..dea3dc89234b 100644
--- a/arch/arm64/tools/cpucaps
+++ b/arch/arm64/tools/cpucaps
@@ -84,6 +84,7 @@ WORKAROUND_2077057
WORKAROUND_2457168
WORKAROUND_2645198
WORKAROUND_2658417
+WORKAROUND_2966298
WORKAROUND_AMPERE_AC03_CPU_38
WORKAROUND_TRBE_OVERWRITE_FILL_MODE
WORKAROUND_TSB_FLUSH_FAILURE
diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 2517ef7c21cf..76ce150e7347 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1347,7 +1347,11 @@ UnsignedEnum 51:48 RPRFM
0b0000 NI
0b0001 IMP
EndEnum
-Res0 47:28
+Res0 47:32
+UnsignedEnum 31:28 CLRBHB
+ 0b0000 NI
+ 0b0001 IMP
+EndEnum
UnsignedEnum 27:24 PAC_frac
0b0000 NI
0b0001 IMP