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Revert "ANDROID: KVM: arm64: Add generic hyp_memcache helpers"

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This reverts commit 23de5749a2.

Bug: 233587962
Signed-off-by: Will Deacon <willdeacon@google.com>
Change-Id: I29f7f542ddd61600255600ac1140a0bf5756caf4
This commit is contained in:
Will Deacon
2022-07-07 15:51:32 +01:00
parent f41c4dd64b
commit 6a67140c2a
1 changed files with 0 additions and 54 deletions
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54
arch/arm64/include/asm/kvm_host.h
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@@ -70,60 +70,6 @@ u32 __attribute_const__ kvm_target_cpu(void);
int kvm_reset_vcpu(struct kvm_vcpu *vcpu);
void kvm_arm_vcpu_destroy(struct kvm_vcpu *vcpu);
struct kvm_hyp_memcache {
phys_addr_t head;
unsigned long nr_pages;
};
static inline void push_hyp_memcache(struct kvm_hyp_memcache *mc,
phys_addr_t *p,
phys_addr_t (*to_pa)(void *virt))
{
*p = mc->head;
mc->head = to_pa(p);
mc->nr_pages++;
}
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);
if (!mc->nr_pages)
return NULL;
mc->head = *p;
mc->nr_pages--;
return p;
}
static inline int __topup_hyp_memcache(struct kvm_hyp_memcache *mc,
unsigned long min_pages,
void *(*alloc_fn)(void *arg),
phys_addr_t (*to_pa)(void *virt),
void *arg)
{
while (mc->nr_pages < min_pages) {
phys_addr_t *p = alloc_fn(arg);
if (!p)
return -ENOMEM;
push_hyp_memcache(mc, p, to_pa);
}
return 0;
}
static inline void __free_hyp_memcache(struct kvm_hyp_memcache *mc,
void (*free_fn)(void *virt, void *arg),
void *(*to_va)(phys_addr_t phys),
void *arg)
{
while (mc->nr_pages)
free_fn(pop_hyp_memcache(mc, to_va), arg);
}
struct kvm_vmid {
/* The VMID generation used for the virt. memory system */
u64 vmid_gen;