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authorDavid Brazdil <dbrazdil@google.com>2020-09-22 21:49:08 +0100
committerMarc Zyngier <maz@kernel.org>2020-09-30 08:37:13 +0100
commit2a1198c9b436402582f7beed57028044b819329c (patch)
tree3bc706b6fd8de4b56f5f6bee361b226fc8750f16 /arch/arm64/kvm/hyp/nvhe/switch.c
parentdf4c8214a18d202fa0ec221a001f640e020f7e44 (diff)
kvm: arm64: Create separate instances of kvm_host_data for VHE/nVHE
Host CPU context is stored in a global per-cpu variable `kvm_host_data`. In preparation for introducing independent per-CPU region for nVHE hyp, create two separate instances of `kvm_host_data`, one for VHE and one for nVHE. Signed-off-by: David Brazdil <dbrazdil@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20200922204910.7265-9-dbrazdil@google.com
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/switch.c')
-rw-r--r--arch/arm64/kvm/hyp/nvhe/switch.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c
index 4662df6330d7..a7e9b03bd9d1 100644
--- a/arch/arm64/kvm/hyp/nvhe/switch.c
+++ b/arch/arm64/kvm/hyp/nvhe/switch.c
@@ -30,6 +30,9 @@
/* Non-VHE copy of the kernel symbol. */
DEFINE_PER_CPU_READ_MOSTLY(u64, arm64_ssbd_callback_required);
+/* Non-VHE instance of kvm_host_data. */
+DEFINE_PER_CPU(kvm_host_data_t, kvm_host_data);
+
static void __activate_traps(struct kvm_vcpu *vcpu)
{
u64 val;