From 519669cc58368385db93fd1560c09bf3334a6ecc Mon Sep 17 00:00:00 2001 From: Jim Mattson Date: Mon, 24 Jan 2022 16:43:59 -0800 Subject: 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 Message-Id: <20220125004359.147600-1-jmattson@google.com> Signed-off-by: Paolo Bonzini --- arch/x86/kvm/vmx/capabilities.h | 1 - arch/x86/kvm/vmx/vmx.c | 5 ++--- 2 files changed, 2 insertions(+), 4 deletions(-) (limited to 'arch') 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); } /* -- cgit v1.2.3-58-ga151