On Wed, Nov 08, 2017 at 11:47:24AM -0800, Dave Hansen wrote:> +#define CR3_HW_ASID_BITS 12> +#define NR_AVAIL_ASIDS ((1<<CR3_AVAIL_ASID_BITS) - 1)That evaluates to 4095> - VM_WARN_ON_ONCE(asid > 4094);> + VM_WARN_ON_ONCE(asid > NR_AVAIL_ASIDS);Not the same number