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ANDROID: KVM: arm64: Allow setting device attr in stage-2 PTEs

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Allow pKVM to set device attributes (nGnRE) on stage-2 entries when
KVM_PGTABLE_PROT_DEVICE is used.

Bug: 357781595
Bug: 303529066
Change-Id: I19ddbd627cb67fb4ad295af6ea5fff129d7a94f7
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
This commit is contained in:
Vincent Donnefort
2023-10-12 10:55:46 +01:00
committed by Keir Fraser
parent 7b17e4877c
commit bbb0cbbae2
1 changed files with 1 additions and 0 deletions
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arch/arm64/kvm/hyp/nvhe/mem_protect.c
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@@ -1834,6 +1834,7 @@ static int restrict_host_page_perms(u64 addr, kvm_pte_t pte, u32 level, enum kvm
}
#define MODULE_PROT_ALLOWLIST (KVM_PGTABLE_PROT_RWX | \
KVM_PGTABLE_PROT_DEVICE | \
KVM_PGTABLE_PROT_NORMAL_NC | \
KVM_PGTABLE_PROT_PXN | \
KVM_PGTABLE_PROT_UXN)