Commit ebdec859 authored by Mingwei Zhang's avatar Mingwei Zhang Committed by Paolo Bonzini
Browse files

KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user() 



Adding the accounting flag when allocating pages within the SEV function,
since these memory pages should belong to individual VM.

No functional change intended.

Signed-off-by: default avatarMingwei Zhang <mizhang@google.com>
Message-Id: <20220623171858.2083637-1-mizhang@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 6945b214

arch/x86/kvm/svm/sev.c

+2 −2
Original line number Diff line number Diff line
@@ -844,7 +844,7 @@ static int __sev_dbg_encrypt_user(struct kvm *kvm, unsigned long paddr, 


	/* If source buffer is not aligned then use an intermediate buffer */

	if (!IS_ALIGNED((unsigned long)vaddr, 16)) {

		src_tpage = alloc_page(GFP_KERNEL);

		src_tpage = alloc_page(GFP_KERNEL_ACCOUNT);

		if (!src_tpage)

			return -ENOMEM;
@@ -865,7 +865,7 @@ static int __sev_dbg_encrypt_user(struct kvm *kvm, unsigned long paddr, 
	if (!IS_ALIGNED((unsigned long)dst_vaddr, 16) || !IS_ALIGNED(size, 16)) {

		int dst_offset;



		dst_tpage = alloc_page(GFP_KERNEL);

		dst_tpage = alloc_page(GFP_KERNEL_ACCOUNT);

		if (!dst_tpage) {

			ret = -ENOMEM;

			goto e_free;