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e059fc3c36
commit f9b269f3098121b5d54aaf822e0898c8ed1d3fec upstream. When HYP code runs into branch profiling code, it attempts to jump to unmapped memory, causing a HYP Panic. Disable the branch profiling for code designed to run at HYP mode. Signed-off-by: Julien Thierry <julien.thierry@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Cc: Christoffer Dall <christoffer.dall@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
910 B
Makefile
29 lines
910 B
Makefile
#
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# Makefile for Kernel-based Virtual Machine module, HYP part
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#
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ccflags-y += -fno-stack-protector -DDISABLE_BRANCH_PROFILING
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KVM=../../../../virt/kvm
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obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o
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obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v3-sr.o
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obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/timer-sr.o
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obj-$(CONFIG_KVM_ARM_HOST) += sysreg-sr.o
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obj-$(CONFIG_KVM_ARM_HOST) += debug-sr.o
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obj-$(CONFIG_KVM_ARM_HOST) += entry.o
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obj-$(CONFIG_KVM_ARM_HOST) += switch.o
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obj-$(CONFIG_KVM_ARM_HOST) += fpsimd.o
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obj-$(CONFIG_KVM_ARM_HOST) += tlb.o
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obj-$(CONFIG_KVM_ARM_HOST) += hyp-entry.o
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obj-$(CONFIG_KVM_ARM_HOST) += s2-setup.o
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# KVM code is run at a different exception code with a different map, so
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# compiler instrumentation that inserts callbacks or checks into the code may
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# cause crashes. Just disable it.
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GCOV_PROFILE := n
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KASAN_SANITIZE := n
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UBSAN_SANITIZE := n
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KCOV_INSTRUMENT := n
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