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Revert "ANDROID: KVM: arm64: Memory donated for shadow state must be aligned"

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This reverts commit 50d8a0882d.

Bug: 233587962
Signed-off-by: Will Deacon <willdeacon@google.com>
Change-Id: I75ca42ba22f416eb17aaf61aa209afaced595f1c
This commit is contained in:
Will Deacon
2022-07-07 15:49:12 +01:00
parent c93313e2b6
commit 03abbd72a3
1 changed files with 0 additions and 16 deletions
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16
arch/arm64/kvm/hyp/nvhe/pkvm.c
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@@ -547,16 +547,6 @@ static int check_shadow_size(int nr_vcpus, size_t shadow_size)
*
* Unmaps the donated memory from the host at stage 2.
*
* kvm: A pointer to the host's struct kvm (host va).
* shadow_va: The host va of the area being donated for the shadow state.
* Must be page aligned.
* shadow_size: The size of the area being donated for the shadow state.
* Must be a multiple of the page size.
* pgd: The host va of the area being donated for the stage-2 PGD for the VM.
* Must be page aligned. Its size is implied by the VM's VTCR.
* Note: An array to the host KVM VCPUs (host VA) is passed via the pgd, as to
* not to be dependent on how the VCPU's are layed out in struct kvm.
*
* Return a unique handle to the protected VM on success,
* negative error code on failure.
*/
@@ -573,12 +563,6 @@ int __pkvm_init_shadow(struct kvm *kvm,
int nr_vcpus = 0;
int ret = 0;
/* Check that the donated memory is aligned to page boundaries. */
if (!PAGE_ALIGNED(shadow_va) ||
!PAGE_ALIGNED(shadow_size) ||
!PAGE_ALIGNED(pgd))
return -EINVAL;
kvm = kern_hyp_va(kvm);
pgd = kern_hyp_va(pgd);