@@ -531,28 +531,17 @@ static inline int kvm_map_vectors(void)
DECLARE_PER_CPU_READ_MOSTLY(u64, arm64_ssbd_callback_required);
DECLARE_KVM_NVHE_PER_CPU(u64, arm64_ssbd_callback_required);
-static inline int hyp_init_aux_data(void)
+static inline void hyp_init_aux_data(void)
{
- int cpu, err;
+ int cpu;
- for_each_possible_cpu(cpu) {
- u64 *ptr;
-
- ptr = per_cpu_ptr_nvhe(arm64_ssbd_callback_required, cpu);
- err = create_hyp_mappings(ptr, ptr + 1, PAGE_HYP);
- if (err)
- return err;
-
- /* Copy value from kernel to hyp. */
- *ptr = per_cpu(arm64_ssbd_callback_required, cpu);
- }
- return 0;
+ /* Copy arm64_ssbd_callback_required values from kernel to hyp. */
+ for_each_possible_cpu(cpu)
+ *(per_cpu_ptr_nvhe(arm64_ssbd_callback_required, cpu)) =
+ per_cpu(arm64_ssbd_callback_required, cpu);
}
#else
-static inline int hyp_init_aux_data(void)
-{
- return 0;
-}
+static inline void hyp_init_aux_data(void) {}
#endif
#define kvm_phys_to_vttbr(addr) phys_to_ttbr(addr)
@@ -1628,22 +1628,7 @@ static int init_hyp_mode(void)
}
}
- for_each_possible_cpu(cpu) {
- kvm_host_data_t *cpu_data;
-
- cpu_data = per_cpu_ptr_hyp(kvm_host_data, cpu);
- err = create_hyp_mappings(cpu_data, cpu_data + 1, PAGE_HYP);
-
- if (err) {
- kvm_err("Cannot map host CPU state: %d\n", err);
- goto out_err;
- }
- }
-
- err = hyp_init_aux_data();
- if (err)
- kvm_err("Cannot map host auxiliary data: %d\n", err);
-
+ hyp_init_aux_data();
return 0;
out_err:
With all nVHE per-CPU variables being part of the hyp per-CPU region, mapping them individual is not necessary any longer. They are mapped to hyp as part of the overall per-CPU region. Signed-off-by: David Brazdil <dbrazdil@google.com> --- arch/arm64/include/asm/kvm_mmu.h | 25 +++++++------------------ arch/arm64/kvm/arm.c | 17 +---------------- 2 files changed, 8 insertions(+), 34 deletions(-)