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-rw-r--r--arch/arm64/Kconfig.platforms1
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts30
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts2
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-lx2160a-bluebox3.dts4
-rw-r--r--arch/arm64/include/asm/kvm_arm.h4
-rw-r--r--arch/arm64/kernel/entry-ftrace.S6
-rw-r--r--arch/arm64/kernel/machine_kexec.c2
-rw-r--r--arch/arm64/kvm/hyp/include/hyp/switch.h14
-rw-r--r--arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h7
-rw-r--r--arch/arm64/kvm/hyp/nvhe/switch.c8
-rw-r--r--arch/arm64/kvm/hyp/vhe/switch.c4
11 files changed, 53 insertions, 29 deletions
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 1aa8b7073218..54e3910e8b9b 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -161,7 +161,6 @@ config ARCH_MEDIATEK
config ARCH_MESON
bool "Amlogic Platforms"
- select COMMON_CLK
help
This enables support for the arm64 based Amlogic SoCs
such as the s905, S905X/D, S912, A113X/D or S905X/D2
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
index 52ebe371df26..561eec21b4de 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-jethome-jethub-j100.dts
@@ -134,23 +134,23 @@
type = "critical";
};
};
- };
- cpu_cooling_maps: cooling-maps {
- map0 {
- trip = <&cpu_passive>;
- cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
- };
+ cpu_cooling_maps: cooling-maps {
+ map0 {
+ trip = <&cpu_passive>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
- map1 {
- trip = <&cpu_hot>;
- cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
- <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ map1 {
+ trip = <&cpu_hot>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
};
};
};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts
index 3063851c2fb9..d3f03dcbb8c3 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-ten64.dts
@@ -38,7 +38,6 @@
powerdn {
label = "External Power Down";
gpios = <&gpio1 17 GPIO_ACTIVE_LOW>;
- interrupts = <&gpio1 17 IRQ_TYPE_EDGE_FALLING>;
linux,code = <KEY_POWER>;
};
@@ -46,7 +45,6 @@
admin {
label = "ADMIN button";
gpios = <&gpio3 8 GPIO_ACTIVE_HIGH>;
- interrupts = <&gpio3 8 IRQ_TYPE_EDGE_RISING>;
linux,code = <KEY_WPS_BUTTON>;
};
};
diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-bluebox3.dts b/arch/arm64/boot/dts/freescale/fsl-lx2160a-bluebox3.dts
index b21be03da0af..042c486bdda2 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-bluebox3.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-bluebox3.dts
@@ -386,6 +386,8 @@
reg = <2>;
ethernet = <&dpmac17>;
phy-mode = "rgmii-id";
+ rx-internal-delay-ps = <2000>;
+ tx-internal-delay-ps = <2000>;
fixed-link {
speed = <1000>;
@@ -529,6 +531,8 @@
reg = <2>;
ethernet = <&dpmac18>;
phy-mode = "rgmii-id";
+ rx-internal-delay-ps = <2000>;
+ tx-internal-delay-ps = <2000>;
fixed-link {
speed = <1000>;
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index a39fcf318c77..01d47c5886dc 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -91,7 +91,7 @@
#define HCR_HOST_VHE_FLAGS (HCR_RW | HCR_TGE | HCR_E2H)
/* TCR_EL2 Registers bits */
-#define TCR_EL2_RES1 ((1 << 31) | (1 << 23))
+#define TCR_EL2_RES1 ((1U << 31) | (1 << 23))
#define TCR_EL2_TBI (1 << 20)
#define TCR_EL2_PS_SHIFT 16
#define TCR_EL2_PS_MASK (7 << TCR_EL2_PS_SHIFT)
@@ -276,7 +276,7 @@
#define CPTR_EL2_TFP_SHIFT 10
/* Hyp Coprocessor Trap Register */
-#define CPTR_EL2_TCPAC (1 << 31)
+#define CPTR_EL2_TCPAC (1U << 31)
#define CPTR_EL2_TAM (1 << 30)
#define CPTR_EL2_TTA (1 << 20)
#define CPTR_EL2_TFP (1 << CPTR_EL2_TFP_SHIFT)
diff --git a/arch/arm64/kernel/entry-ftrace.S b/arch/arm64/kernel/entry-ftrace.S
index b3e4f9a088b1..8cf970d219f5 100644
--- a/arch/arm64/kernel/entry-ftrace.S
+++ b/arch/arm64/kernel/entry-ftrace.S
@@ -77,11 +77,17 @@
.endm
SYM_CODE_START(ftrace_regs_caller)
+#ifdef BTI_C
+ BTI_C
+#endif
ftrace_regs_entry 1
b ftrace_common
SYM_CODE_END(ftrace_regs_caller)
SYM_CODE_START(ftrace_caller)
+#ifdef BTI_C
+ BTI_C
+#endif
ftrace_regs_entry 0
b ftrace_common
SYM_CODE_END(ftrace_caller)
diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
index 1038494135c8..6fb31c117ebe 100644
--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -147,7 +147,7 @@ int machine_kexec_post_load(struct kimage *kimage)
if (rc)
return rc;
kimage->arch.ttbr1 = __pa(trans_pgd);
- kimage->arch.zero_page = __pa(empty_zero_page);
+ kimage->arch.zero_page = __pa_symbol(empty_zero_page);
reloc_size = __relocate_new_kernel_end - __relocate_new_kernel_start;
memcpy(reloc_code, __relocate_new_kernel_start, reloc_size);
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 7a0af1d39303..96c5f3fb7838 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
@@ -403,6 +403,8 @@ typedef bool (*exit_handler_fn)(struct kvm_vcpu *, u64 *);
static const exit_handler_fn *kvm_get_exit_handler_array(struct kvm_vcpu *vcpu);
+static void early_exit_filter(struct kvm_vcpu *vcpu, u64 *exit_code);
+
/*
* Allow the hypervisor to handle the exit with an exit handler if it has one.
*
@@ -429,6 +431,18 @@ static inline bool kvm_hyp_handle_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
*/
static inline bool fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
{
+ /*
+ * Save PSTATE early so that we can evaluate the vcpu mode
+ * early on.
+ */
+ vcpu->arch.ctxt.regs.pstate = read_sysreg_el2(SYS_SPSR);
+
+ /*
+ * Check whether we want to repaint the state one way or
+ * another.
+ */
+ early_exit_filter(vcpu, exit_code);
+
if (ARM_EXCEPTION_CODE(*exit_code) != ARM_EXCEPTION_IRQ)
vcpu->arch.fault.esr_el2 = read_sysreg_el2(SYS_ESR);
diff --git a/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h b/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
index de7e14c862e6..7ecca8b07851 100644
--- a/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
+++ b/arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h
@@ -70,7 +70,12 @@ static inline void __sysreg_save_el1_state(struct kvm_cpu_context *ctxt)
static inline void __sysreg_save_el2_return_state(struct kvm_cpu_context *ctxt)
{
ctxt->regs.pc = read_sysreg_el2(SYS_ELR);
- ctxt->regs.pstate = read_sysreg_el2(SYS_SPSR);
+ /*
+ * Guest PSTATE gets saved at guest fixup time in all
+ * cases. We still need to handle the nVHE host side here.
+ */
+ if (!has_vhe() && ctxt->__hyp_running_vcpu)
+ ctxt->regs.pstate = read_sysreg_el2(SYS_SPSR);
if (cpus_have_final_cap(ARM64_HAS_RAS_EXTN))
ctxt_sys_reg(ctxt, DISR_EL1) = read_sysreg_s(SYS_VDISR_EL2);
diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c
index c0e3fed26d93..d13115a12434 100644
--- a/arch/arm64/kvm/hyp/nvhe/switch.c
+++ b/arch/arm64/kvm/hyp/nvhe/switch.c
@@ -233,7 +233,7 @@ static const exit_handler_fn *kvm_get_exit_handler_array(struct kvm_vcpu *vcpu)
* Returns false if the guest ran in AArch32 when it shouldn't have, and
* thus should exit to the host, or true if a the guest run loop can continue.
*/
-static bool handle_aarch32_guest(struct kvm_vcpu *vcpu, u64 *exit_code)
+static void early_exit_filter(struct kvm_vcpu *vcpu, u64 *exit_code)
{
struct kvm *kvm = kern_hyp_va(vcpu->kvm);
@@ -248,10 +248,7 @@ static bool handle_aarch32_guest(struct kvm_vcpu *vcpu, u64 *exit_code)
vcpu->arch.target = -1;
*exit_code &= BIT(ARM_EXIT_WITH_SERROR_BIT);
*exit_code |= ARM_EXCEPTION_IL;
- return false;
}
-
- return true;
}
/* Switch to the guest for legacy non-VHE systems */
@@ -316,9 +313,6 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
/* Jump in the fire! */
exit_code = __guest_enter(vcpu);
- if (unlikely(!handle_aarch32_guest(vcpu, &exit_code)))
- break;
-
/* And we're baaack! */
} while (fixup_guest_exit(vcpu, &exit_code));
diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c
index 5a2cb5d9bc4b..fbb26b93c347 100644
--- a/arch/arm64/kvm/hyp/vhe/switch.c
+++ b/arch/arm64/kvm/hyp/vhe/switch.c
@@ -112,6 +112,10 @@ static const exit_handler_fn *kvm_get_exit_handler_array(struct kvm_vcpu *vcpu)
return hyp_exit_handlers;
}
+static void early_exit_filter(struct kvm_vcpu *vcpu, u64 *exit_code)
+{
+}
+
/* Switch to the guest for VHE systems running in EL2 */
static int __kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu)
{