aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86')
-rw-r--r--include/asm-x86/kvm_host.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 99dddfcecf6..9cb4b4dae5c 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -201,6 +201,13 @@ struct kvm_mmu_page {
};
};
+struct kvm_pv_mmu_op_buffer {
+ void *ptr;
+ unsigned len;
+ unsigned processed;
+ char buf[512] __aligned(sizeof(long));
+};
+
/*
* x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level
* 32-bit). The kvm_mmu structure abstracts the details of the current mmu
@@ -248,6 +255,9 @@ struct kvm_vcpu_arch {
bool tpr_access_reporting;
struct kvm_mmu mmu;
+ /* only needed in kvm_pv_mmu_op() path, but it's hot so
+ * put it here to avoid allocation */
+ struct kvm_pv_mmu_op_buffer mmu_op_buffer;
struct kvm_mmu_memory_cache mmu_pte_chain_cache;
struct kvm_mmu_memory_cache mmu_rmap_desc_cache;