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authorJim Mattson <jmattson@google.com>2022-01-24 16:43:59 -0800
committerPaolo Bonzini <pbonzini@redhat.com>2022-01-26 12:14:58 -0500
commit519669cc58368385db93fd1560c09bf3334a6ecc (patch)
treec5796f614f9271f338bdb8f83b5570a1cc12fb6a /arch/x86
parentd081a343dd18f6733f2f4d9a2521db92de9f7b75 (diff)
downloadlinux-519669cc58368385db93fd1560c09bf3334a6ecc.tar.bz2
KVM: VMX: Remove vmcs_config.order
The maximum size of a VMCS (or VMXON region) is 4096. By definition, these are order 0 allocations. Signed-off-by: Jim Mattson <jmattson@google.com> Message-Id: <20220125004359.147600-1-jmattson@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/vmx/capabilities.h1
-rw-r--r--arch/x86/kvm/vmx/vmx.c5
2 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kvm/vmx/capabilities.h b/arch/x86/kvm/vmx/capabilities.h
index 959b59d13b5a..3f430e218375 100644
--- a/arch/x86/kvm/vmx/capabilities.h
+++ b/arch/x86/kvm/vmx/capabilities.h
@@ -54,7 +54,6 @@ struct nested_vmx_msrs {
struct vmcs_config {
int size;
- int order;
u32 basic_cap;
u32 revision_id;
u32 pin_based_exec_ctrl;
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 2833b095a804..a6446eb935df 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -2603,7 +2603,6 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf,
return -EIO;
vmcs_conf->size = vmx_msr_high & 0x1fff;
- vmcs_conf->order = get_order(vmcs_conf->size);
vmcs_conf->basic_cap = vmx_msr_high & ~0x1fff;
vmcs_conf->revision_id = vmx_msr_low;
@@ -2628,7 +2627,7 @@ struct vmcs *alloc_vmcs_cpu(bool shadow, int cpu, gfp_t flags)
struct page *pages;
struct vmcs *vmcs;
- pages = __alloc_pages_node(node, flags, vmcs_config.order);
+ pages = __alloc_pages_node(node, flags, 0);
if (!pages)
return NULL;
vmcs = page_address(pages);
@@ -2647,7 +2646,7 @@ struct vmcs *alloc_vmcs_cpu(bool shadow, int cpu, gfp_t flags)
void free_vmcs(struct vmcs *vmcs)
{
- free_pages((unsigned long)vmcs, vmcs_config.order);
+ free_page((unsigned long)vmcs);
}
/*