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| author |   Kalesh Singh <kaleshsingh@google.com> | 2022-07-26 00:37:43 -0700 |
|---|---|---|
| committer |   Marc Zyngier <maz@kernel.org> | 2022-07-26 10:49:39 +0100 |
| commit | db129d486ebdf4e3168282236f9d9008b42cac7e (patch) | |
| tree | a192d8042d29349f6b0f47a3003ecd8470e54e2f /arch/arm64/kvm/arm.c | |
| parent | KVM: arm64: Prepare non-protected nVHE hypervisor stacktrace (diff) | |
| download | linux-dev-db129d486ebdf4e3168282236f9d9008b42cac7e.tar.xz linux-dev-db129d486ebdf4e3168282236f9d9008b42cac7e.zip | |
KVM: arm64: Implement non-protected nVHE hyp stack unwinder
Implements the common framework necessary for unwind() to work
for non-protected nVHE mode:
- on_accessible_stack()
- on_overflow_stack()
- unwind_next()
Non-protected nVHE unwind() is used to unwind and dump the hypervisor
stacktrace by the host in EL1
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220726073750.3219117-11-kaleshsingh@google.com
Diffstat (limited to 'arch/arm64/kvm/arm.c')
| -rw-r--r-- | arch/arm64/kvm/arm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index a0188144a122..6a64293108c5 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -49,7 +49,7 @@ DEFINE_STATIC_KEY_FALSE(kvm_protected_mode_initialized); DECLARE_KVM_HYP_PER_CPU(unsigned long, kvm_hyp_vector); -static DEFINE_PER_CPU(unsigned long, kvm_arm_hyp_stack_page); +DEFINE_PER_CPU(unsigned long, kvm_arm_hyp_stack_page); unsigned long kvm_arm_hyp_percpu_base[NR_CPUS]; DECLARE_KVM_NVHE_PER_CPU(struct kvm_nvhe_init_params, kvm_init_params); |