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Revert "FROMLIST: KVM: arm64: Introduce wrappers for host and hyp spin lock accessors"

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This reverts commit 0a1b52003b.

Bug: 233587962
Signed-off-by: Will Deacon <willdeacon@google.com>
Change-Id: I12b7cd4ce3edfd3c97e47ce5700f5d0469e70699
This commit is contained in:
Will Deacon
2022-07-07 15:52:06 +01:00
parent 86c1832cce
commit 94689fe65c
1 changed files with 6 additions and 26 deletions
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32
arch/arm64/kvm/hyp/nvhe/mem_protect.c
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@@ -28,26 +28,6 @@ static struct hyp_pool host_s2_pool;
const u8 pkvm_hyp_id = 1;
static void host_lock_component(void)
{
hyp_spin_lock(&host_kvm.lock);
}
static void host_unlock_component(void)
{
hyp_spin_unlock(&host_kvm.lock);
}
static void hyp_lock_component(void)
{
hyp_spin_lock(&pkvm_pgd_lock);
}
static void hyp_unlock_component(void)
{
hyp_spin_unlock(&pkvm_pgd_lock);
}
static void *host_s2_zalloc_pages_exact(size_t size)
{
void *addr = hyp_alloc_pages(&host_s2_pool, get_order(size));
@@ -359,14 +339,14 @@ static int host_stage2_idmap(u64 addr)
prot = is_memory ? PKVM_HOST_MEM_PROT : PKVM_HOST_MMIO_PROT;
host_lock_component();
hyp_spin_lock(&host_kvm.lock);
ret = host_stage2_adjust_range(addr, &range);
if (ret)
goto unlock;
ret = host_stage2_idmap_locked(range.start, range.end - range.start, prot);
unlock:
host_unlock_component();
hyp_spin_unlock(&host_kvm.lock);
return ret;
}
@@ -390,8 +370,8 @@ int __pkvm_host_share_hyp(u64 pfn)
if (!addr_is_memory(addr))
return -EINVAL;
host_lock_component();
hyp_lock_component();
hyp_spin_lock(&host_kvm.lock);
hyp_spin_lock(&pkvm_pgd_lock);
ret = kvm_pgtable_get_leaf(&host_kvm.pgt, addr, &pte, NULL);
if (ret)
@@ -453,8 +433,8 @@ map_shared:
BUG_ON(ret);
unlock:
hyp_unlock_component();
host_unlock_component();
hyp_spin_unlock(&pkvm_pgd_lock);
hyp_spin_unlock(&host_kvm.lock);
return ret;
}