diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-12-18 22:52:20 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-12-18 22:52:20 +0100 |
| commit | 1ddf624b0b268fdc0b80b1de618b98f8d117afea (patch) | |
| tree | 3d3218332bcb34cb0afa01d6ad996058a3dbcb77 /arch/arm64/kvm/hyp | |
| parent | 6b774eec1f9d3064e9b33634dfa99d5666d0a73a (diff) | |
| parent | bfb9e5c03076a446b1f4f6a523ddc8d723c907a6 (diff) | |
Merge tag 'v4.14.159' into 4.14-2.0.x-imx
This is the 4.14.159 stable release
Conflicts:
arch/arm/Kconfig.debug
arch/arm/boot/dts/imx7s.dtsi
arch/arm/mach-imx/cpuidle-imx6sx.c
drivers/crypto/caam/caamalg.c
drivers/crypto/mxs-dcp.c
drivers/dma/imx-sdma.c
drivers/input/keyboard/imx_keypad.c
drivers/net/can/flexcan.c
drivers/net/can/rx-offload.c
drivers/net/wireless/ath/ath10k/pci.c
drivers/pci/dwc/pci-imx6.c
drivers/spi/spi-fsl-lpspi.c
drivers/usb/dwc3/gadget.c
Diffstat (limited to 'arch/arm64/kvm/hyp')
| -rw-r--r-- | arch/arm64/kvm/hyp/entry.S | 12 | ||||
| -rw-r--r-- | arch/arm64/kvm/hyp/switch.c | 10 | ||||
| -rw-r--r-- | arch/arm64/kvm/hyp/sysreg-sr.c | 11 |
3 files changed, 11 insertions, 22 deletions
diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S index a7b3c198d4de..a360ac6e89e9 100644 --- a/arch/arm64/kvm/hyp/entry.S +++ b/arch/arm64/kvm/hyp/entry.S @@ -196,15 +196,3 @@ alternative_endif eret ENDPROC(__fpsimd_guest_restore) - -ENTRY(__qcom_hyp_sanitize_btac_predictors) - /** - * Call SMC64 with Silicon provider serviceID 23<<8 (0xc2001700) - * 0xC2000000-0xC200FFFF: assigned to SiP Service Calls - * b15-b0: contains SiP functionID - */ - movz x0, #0x1700 - movk x0, #0xc200, lsl #16 - smc #0 - ret -ENDPROC(__qcom_hyp_sanitize_btac_predictors) diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index 44845996b554..4a8fdbb29286 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -405,16 +405,6 @@ again: __set_host_arch_workaround_state(vcpu); - if (cpus_have_const_cap(ARM64_HARDEN_BP_POST_GUEST_EXIT)) { - u32 midr = read_cpuid_id(); - - /* Apply BTAC predictors mitigation to all Falkor chips */ - if (((midr & MIDR_CPU_MODEL_MASK) == MIDR_QCOM_FALKOR) || - ((midr & MIDR_CPU_MODEL_MASK) == MIDR_QCOM_FALKOR_V1)) { - __qcom_hyp_sanitize_btac_predictors(); - } - } - fp_enabled = __fpsimd_enabled(); __sysreg_save_guest_state(guest_ctxt); diff --git a/arch/arm64/kvm/hyp/sysreg-sr.c b/arch/arm64/kvm/hyp/sysreg-sr.c index e19d89cabf2a..3773311ffcd0 100644 --- a/arch/arm64/kvm/hyp/sysreg-sr.c +++ b/arch/arm64/kvm/hyp/sysreg-sr.c @@ -188,3 +188,14 @@ void __hyp_text __kvm_set_tpidr_el2(u64 tpidr_el2) { asm("msr tpidr_el2, %0": : "r" (tpidr_el2)); } + +void __hyp_text __kvm_enable_ssbs(void) +{ + u64 tmp; + + asm volatile( + "mrs %0, sctlr_el2\n" + "orr %0, %0, %1\n" + "msr sctlr_el2, %0" + : "=&r" (tmp) : "L" (SCTLR_ELx_DSSBS)); +} |