From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262632AbULPH7V (ORCPT ); Thu, 16 Dec 2004 02:59:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262634AbULPH7V (ORCPT ); Thu, 16 Dec 2004 02:59:21 -0500 Received: from rproxy.gmail.com ([64.233.170.200]:13193 "EHLO rproxy.gmail.com") by vger.kernel.org with ESMTP id S262632AbULPH7T (ORCPT ); Thu, 16 Dec 2004 02:59:19 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:mime-version:content-type:content-transfer-encoding; b=ATZzvKugZ3EoaioI9mS/3qWYjfsZio0LmnnMRnODPKqwjgi47EIhE7CDABdbxgFwFfS/m1qWkBRZGt/xZJoz/MTqNT3myjtfTujZCLaxiNYOCrAHPyCq4fGte5TJ4LmBV3TuTlzGGkKyeZljx9DyxUvD0Oukl42UMx7EYRByj+w= Message-ID: <73e6204504121523591cb0874d@mail.gmail.com> Date: Thu, 16 Dec 2004 15:59:18 +0800 From: zhan rongkai Reply-To: zhan rongkai To: linux-kernel@vger.kernel.org Subject: About task->used_math and TIF_USEDFPU Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org hi all, I am a little confused about the task_struct member 'used_math', and thread_info flag TIF_USEDFPU. What are their meaning, and what is the difference between them? thanks.