diff options
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm64/kvm/hyp.S | 8 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index c9d1f34..a5272c0 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -48,4 +48,6 @@ config KVM_ARM_HOST ---help--- Provides host support for ARM processors. +source drivers/vhost/Kconfig + endif # VIRTUALIZATION diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index e583613..1599701 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -880,6 +880,14 @@ __kvm_hyp_panic: bl __restore_sysregs + /* + * Make sure we have a valid host stack, and don't leave junk in the + * frame pointer that will give us a misleading host stack unwinding. + */ + ldr x22, [x2, #CPU_GP_REG_OFFSET(CPU_SP_EL1)] + msr sp_el1, x22 + mov x29, xzr + 1: adr x0, __hyp_panic_str adr x1, 2f ldp x2, x3, [x1] |