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 X-Spam-Level: X-Spam-Status: No, score=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08BC0C07E9B for ; Sat, 10 Jul 2021 06:37:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DDBFF61369 for ; Sat, 10 Jul 2021 06:37:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231670AbhGJGjv (ORCPT ); Sat, 10 Jul 2021 02:39:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:51340 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229612AbhGJGju (ORCPT ); Sat, 10 Jul 2021 02:39:50 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1CAC961375; Sat, 10 Jul 2021 06:37:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1625899025; bh=gV2Pfj2NN055Q0X+lsNhoIQOi7ituo+LVpl15VX3Qrg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iEVZdslJuwgHl1Srn3duqBR3Jq8/GB/5xleLtRueB22Bu6QKo8kD1wKLtcP1DUuYb beLL3TiJyKW6LS+CMwlzKhA0XEKb/4ZbFUePsoutrpMHHu3qlGbHrpdcKRlphAGHAW UCFSE2sxxI4o6shXYxjYeAo7d4BFhuxnJ1nVUubM= Date: Sat, 10 Jul 2021 08:37:03 +0200 From: Greg Kroah-Hartman To: Hridya Valsaraju Cc: daniel@ffwll.ch, Sumit Semwal , Christian =?iso-8859-1?Q?K=F6nig?= , Daniel Vetter , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, kernel-team@android.com, john.stultz@linaro.org, surenb@google.com Subject: Re: [PATCH] dma-buf: Delete the DMA-BUF attachment sysfs statistics Message-ID: References: <20210710051027.42828-1-hridya@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210710051027.42828-1-hridya@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 09, 2021 at 10:10:24PM -0700, Hridya Valsaraju wrote: > The DMA-BUF attachment statistics form a subset of the DMA-BUF > sysfs statistics that recently merged to the drm-misc tree. > Since there has been a reported a performance regression due to the > overhead of sysfs directory creation/teardown during > dma_buf_attach()/dma_buf_detach(), this patch deletes the DMA-BUF > attachment statistics from sysfs. > > Fixes: bdb8d06dfefd (dmabuf: Add the capability to expose DMA-BUF stats > in sysfs) > Signed-off-by: Hridya Valsaraju > --- Reviewed-by: Greg Kroah-Hartman 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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CCD06C07E9C for ; Sat, 10 Jul 2021 06:37:07 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6E3C7613D2 for ; Sat, 10 Jul 2021 06:37:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6E3C7613D2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9D93B6EADD; Sat, 10 Jul 2021 06:37:06 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 08ECB6EADD for ; Sat, 10 Jul 2021 06:37:05 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 1CAC961375; Sat, 10 Jul 2021 06:37:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1625899025; bh=gV2Pfj2NN055Q0X+lsNhoIQOi7ituo+LVpl15VX3Qrg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iEVZdslJuwgHl1Srn3duqBR3Jq8/GB/5xleLtRueB22Bu6QKo8kD1wKLtcP1DUuYb beLL3TiJyKW6LS+CMwlzKhA0XEKb/4ZbFUePsoutrpMHHu3qlGbHrpdcKRlphAGHAW UCFSE2sxxI4o6shXYxjYeAo7d4BFhuxnJ1nVUubM= Date: Sat, 10 Jul 2021 08:37:03 +0200 From: Greg Kroah-Hartman To: Hridya Valsaraju Subject: Re: [PATCH] dma-buf: Delete the DMA-BUF attachment sysfs statistics Message-ID: References: <20210710051027.42828-1-hridya@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210710051027.42828-1-hridya@google.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Daniel Vetter , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Christian =?iso-8859-1?Q?K=F6nig?= , linaro-mm-sig@lists.linaro.org, surenb@google.com, kernel-team@android.com, linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, Jul 09, 2021 at 10:10:24PM -0700, Hridya Valsaraju wrote: > The DMA-BUF attachment statistics form a subset of the DMA-BUF > sysfs statistics that recently merged to the drm-misc tree. > Since there has been a reported a performance regression due to the > overhead of sysfs directory creation/teardown during > dma_buf_attach()/dma_buf_detach(), this patch deletes the DMA-BUF > attachment statistics from sysfs. > > Fixes: bdb8d06dfefd (dmabuf: Add the capability to expose DMA-BUF stats > in sysfs) > Signed-off-by: Hridya Valsaraju > --- Reviewed-by: Greg Kroah-Hartman