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-rw-r--r--arch/arm64/include/asm/kvm_emulate.h42
-rw-r--r--arch/arm64/include/asm/kvm_host.h24
2 files changed, 6 insertions, 60 deletions
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 47f2cf408eed..78ec1ef2cfe8 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -605,48 +605,6 @@ static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)
__cpacr_to_cptr_set(clr, set));\
} while (0)
-static __always_inline void kvm_write_cptr_el2(u64 val)
-{
- if (has_vhe() || has_hvhe())
- write_sysreg(val, cpacr_el1);
- else
- write_sysreg(val, cptr_el2);
-}
-
-/* Resets the value of cptr_el2 when returning to the host. */
-static __always_inline void __kvm_reset_cptr_el2(struct kvm *kvm)
-{
- u64 val;
-
- if (has_vhe()) {
- val = (CPACR_EL1_FPEN | CPACR_EL1_ZEN_EL1EN);
- if (cpus_have_final_cap(ARM64_SME))
- val |= CPACR_EL1_SMEN_EL1EN;
- } else if (has_hvhe()) {
- val = CPACR_EL1_FPEN;
-
- if (!kvm_has_sve(kvm) || !guest_owns_fp_regs())
- val |= CPACR_EL1_ZEN;
- if (cpus_have_final_cap(ARM64_SME))
- val |= CPACR_EL1_SMEN;
- } else {
- val = CPTR_NVHE_EL2_RES1;
-
- if (kvm_has_sve(kvm) && guest_owns_fp_regs())
- val |= CPTR_EL2_TZ;
- if (!cpus_have_final_cap(ARM64_SME))
- val |= CPTR_EL2_TSM;
- }
-
- kvm_write_cptr_el2(val);
-}
-
-#ifdef __KVM_NVHE_HYPERVISOR__
-#define kvm_reset_cptr_el2(v) __kvm_reset_cptr_el2(kern_hyp_va((v)->kvm))
-#else
-#define kvm_reset_cptr_el2(v) __kvm_reset_cptr_el2((v)->kvm)
-#endif
-
/*
* Returns a 'sanitised' view of CPTR_EL2, translating from nVHE to the VHE
* format if E2H isn't set.
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 7cfa024de4e3..3a7ec98ef123 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -100,7 +100,7 @@ static inline void push_hyp_memcache(struct kvm_hyp_memcache *mc,
static inline void *pop_hyp_memcache(struct kvm_hyp_memcache *mc,
void *(*to_va)(phys_addr_t phys))
{
- phys_addr_t *p = to_va(mc->head);
+ phys_addr_t *p = to_va(mc->head & PAGE_MASK);
if (!mc->nr_pages)
return NULL;
@@ -615,8 +615,6 @@ struct cpu_sve_state {
struct kvm_host_data {
#define KVM_HOST_DATA_FLAG_HAS_SPE 0
#define KVM_HOST_DATA_FLAG_HAS_TRBE 1
-#define KVM_HOST_DATA_FLAG_HOST_SVE_ENABLED 2
-#define KVM_HOST_DATA_FLAG_HOST_SME_ENABLED 3
#define KVM_HOST_DATA_FLAG_TRBE_ENABLED 4
#define KVM_HOST_DATA_FLAG_EL1_TRACING_CONFIGURED 5
unsigned long flags;
@@ -624,23 +622,13 @@ struct kvm_host_data {
struct kvm_cpu_context host_ctxt;
/*
- * All pointers in this union are hyp VA.
+ * Hyp VA.
* sve_state is only used in pKVM and if system_supports_sve().
*/
- union {
- struct user_fpsimd_state *fpsimd_state;
- struct cpu_sve_state *sve_state;
- };
-
- union {
- /* HYP VA pointer to the host storage for FPMR */
- u64 *fpmr_ptr;
- /*
- * Used by pKVM only, as it needs to provide storage
- * for the host
- */
- u64 fpmr;
- };
+ struct cpu_sve_state *sve_state;
+
+ /* Used by pKVM only. */
+ u64 fpmr;
/* Ownership of the FP regs */
enum {