* [PATCH] KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user()
@ 2022-06-23 17:18 Mingwei Zhang
2022-06-24 7:58 ` Paolo Bonzini
0 siblings, 1 reply; 2+ messages in thread
From: Mingwei Zhang @ 2022-06-23 17:18 UTC (permalink / raw)
To: Paolo Bonzini
Cc: Sean Christopherson, Vitaly Kuznetsov, Wanpeng Li, Jim Mattson,
Joerg Roedel, kvm, linux-kernel, Mingwei Zhang
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: Mingwei Zhang <mizhang@google.com>
---
arch/x86/kvm/svm/sev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 51fd985cf21d..e2c7fada0b3d 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -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;
base-commit: 922d4578cfd017da67f545bfd07331bda86f795d
--
2.37.0.rc0.104.g0611611a94-goog
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user()
2022-06-23 17:18 [PATCH] KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user() Mingwei Zhang
@ 2022-06-24 7:58 ` Paolo Bonzini
0 siblings, 0 replies; 2+ messages in thread
From: Paolo Bonzini @ 2022-06-24 7:58 UTC (permalink / raw)
To: Mingwei Zhang
Cc: Sean Christopherson, Vitaly Kuznetsov, Wanpeng Li, Jim Mattson,
Joerg Roedel, kvm, linux-kernel
Queued, thanks.
Paolo
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-06-24 7:58 UTC | newest]
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2022-06-23 17:18 [PATCH] KVM: x86/svm: add __GFP_ACCOUNT to __sev_dbg_{en,de}crypt_user() Mingwei Zhang
2022-06-24 7:58 ` Paolo Bonzini
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