From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0903CC4167B for ; Thu, 15 Dec 2022 03:16:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229638AbiLODQR convert rfc822-to-8bit (ORCPT ); Wed, 14 Dec 2022 22:16:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229496AbiLODQO (ORCPT ); Wed, 14 Dec 2022 22:16:14 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 221072C11C; Wed, 14 Dec 2022 19:16:13 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B4DA061CC8; Thu, 15 Dec 2022 03:16:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 731CFC433EF; Thu, 15 Dec 2022 03:16:11 +0000 (UTC) Date: Wed, 14 Dec 2022 22:16:09 -0500 From: Steven Rostedt To: Linyu Yuan Cc: Masami Hiramatsu , , Subject: Re: [RFC PATCH 2/2] trace: allocate temparary buffer for trace output usage Message-ID: <20221214221609.1d8f62be@gandalf.local.home> In-Reply-To: <125146b7-3371-2d66-4d25-b829d9f334ea@quicinc.com> References: <1671027102-21403-1-git-send-email-quic_linyyuan@quicinc.com> <1671027102-21403-2-git-send-email-quic_linyyuan@quicinc.com> <20221214092550.1691829e@gandalf.local.home> <125146b7-3371-2d66-4d25-b829d9f334ea@quicinc.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 15 Dec 2022 09:53:27 +0800 Linyu Yuan wrote: > is it possible add a generic macro like #define __get_buf(offset, len)  > (p->buffer + (offset))  ? > > it only use buffer filed of struct trace_seq . If it works for you, I guess. I'd like to see the patch and use case. -- Steve