mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-14 07:44:21 +08:00
KVM: VMX: Do not account for temporary memory allocation in ECREATE emulation
In handle_encls_ecreate(), a page is allocated to store a copy of SECS structure used by the ENCLS[ECREATE] leaf from the guest. This page is only used temporarily and is freed after use in handle_encls_ecreate(). Don't account for the memory allocation of this page per [1]. Link: https://lore.kernel.org/kvm/b999afeb588eb75d990891855bc6d58861968f23.camel@intel.com/T/#mb81987afc3ab308bbb5861681aa9a20f2aece7fd [1] Signed-off-by: Kai Huang <kai.huang@intel.com> Link: https://lore.kernel.org/r/20240715101224.90958-1-kai.huang@intel.com Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
parent
caf22c6dd3
commit
d9aa56edad
@ -274,7 +274,7 @@ static int handle_encls_ecreate(struct kvm_vcpu *vcpu)
|
||||
* simultaneously set SGX_ATTR_PROVISIONKEY to bypass the check to
|
||||
* enforce restriction of access to the PROVISIONKEY.
|
||||
*/
|
||||
contents = (struct sgx_secs *)__get_free_page(GFP_KERNEL_ACCOUNT);
|
||||
contents = (struct sgx_secs *)__get_free_page(GFP_KERNEL);
|
||||
if (!contents)
|
||||
return -ENOMEM;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user