@@ -3809,7 +3809,7 @@ in userspace.
__u64 kvm_dirty_regs;
union {
struct kvm_sync_regs regs;
- char padding[1024];
+ char padding[SYNC_REGS_SIZE_BYTES];
} s;
If KVM_CAP_SYNC_REGS is defined, these fields allow userspace to access
@@ -396,6 +396,10 @@ struct kvm_run {
char padding[256];
};
+ /* 2048 is the size of the char array used to bound/pad the size
+ * of the union that holds sync regs.
+ */
+ #define SYNC_REGS_SIZE_BYTES 2048
/*
* shared registers between kvm and userspace.
* kvm_valid_regs specifies the register classes set by the host
@@ -407,7 +411,7 @@ struct kvm_run {
__u64 kvm_dirty_regs;
union {
struct kvm_sync_regs regs;
- char padding[2048];
+ char padding[SYNC_REGS_SIZE_BYTES];
} s;
};