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| author |   James Morse <james.morse@arm.com> | 2019-05-22 18:47:05 +0100 |
|---|---|---|
| committer |   Marc Zyngier <marc.zyngier@arm.com> | 2019-05-24 14:53:20 +0100 |
| commit | 623e1528d4090bd1abaf93ec46f047dee9a6fb32 (patch) | |
| tree | 57452a3307b459d19afb83f83a49e1919f3982e6 /arch/arm64/kvm | |
| parent | KVM: arm64: Move pmu hyp code under hyp's Makefile to avoid instrumentation (diff) | |
| download | linux-dev-623e1528d4090bd1abaf93ec46f047dee9a6fb32.tar.xz linux-dev-623e1528d4090bd1abaf93ec46f047dee9a6fb32.zip | |
KVM: arm/arm64: Move cc/it checks under hyp's Makefile to avoid instrumentation
KVM has helpers to handle the condition codes of trapped aarch32
instructions. These are marked __hyp_text and used from HYP, but they
aren't built by the 'hyp' Makefile, which has all the runes to avoid ASAN
and KCOV instrumentation.
Move this code to a new hyp/aarch32.c to avoid a hyp-panic when starting
an aarch32 guest on a host built with the ASAN/KCOV debug options.
Fixes: 021234ef3752f ("KVM: arm64: Make kvm_condition_valid32() accessible from EL2")
Fixes: 8cebe750c4d9a ("arm64: KVM: Make kvm_skip_instr32 available to HYP")
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/hyp/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile index 82d1904328ad..ea710f674cb6 100644 --- a/arch/arm64/kvm/hyp/Makefile +++ b/arch/arm64/kvm/hyp/Makefile @@ -10,6 +10,7 @@ KVM=../../../../virt/kvm obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v3-sr.o obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/timer-sr.o +obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/aarch32.o obj-$(CONFIG_KVM_ARM_HOST) += vgic-v2-cpuif-proxy.o obj-$(CONFIG_KVM_ARM_HOST) += sysreg-sr.o |