From e59b3399fde5e173b026d4952b215043e77b4521 Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Fri, 14 Oct 2022 13:07:28 +1000 Subject: [PATCH] KVM: PPC: BookS PR-KVM and BookE do not support context tracking The context tracking code in PR-KVM and BookE implementations is not complete, and can cause host crashes if context tracking is enabled. Make these implementations depend on !CONTEXT_TRACKING_USER. Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20221014030729.2077151-2-npiggin@gmail.com --- arch/powerpc/kvm/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 61cdd782d3c5e..a9f57dad6d916 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -51,6 +51,7 @@ config KVM_BOOK3S_HV_POSSIBLE config KVM_BOOK3S_32 tristate "KVM support for PowerPC book3s_32 processors" depends on PPC_BOOK3S_32 && !SMP && !PTE_64BIT + depends on !CONTEXT_TRACKING_USER select KVM select KVM_BOOK3S_32_HANDLER select KVM_BOOK3S_PR_POSSIBLE @@ -105,6 +106,7 @@ config KVM_BOOK3S_64_HV config KVM_BOOK3S_64_PR tristate "KVM support without using hypervisor mode in host" depends on KVM_BOOK3S_64 + depends on !CONTEXT_TRACKING_USER select KVM_BOOK3S_PR_POSSIBLE help Support running guest kernels in virtual machines on processors @@ -190,6 +192,7 @@ config KVM_EXIT_TIMING config KVM_E500V2 bool "KVM support for PowerPC E500v2 processors" depends on PPC_E500 && !PPC_E500MC + depends on !CONTEXT_TRACKING_USER select KVM select KVM_MMIO select MMU_NOTIFIER @@ -205,6 +208,7 @@ config KVM_E500V2 config KVM_E500MC bool "KVM support for PowerPC E500MC/E5500/E6500 processors" depends on PPC_E500MC + depends on !CONTEXT_TRACKING_USER select KVM select KVM_MMIO select KVM_BOOKE_HV