Commit e59b3399 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

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: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221014030729.2077151-2-npiggin@gmail.com
parent 00ff1eaa

arch/powerpc/kvm/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -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