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=-9.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 56ACCC2D0A3 for ; Wed, 4 Nov 2020 15:14:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D597B2074F for ; Wed, 4 Nov 2020 15:14:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="C/P/mZbe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730315AbgKDPOG (ORCPT ); Wed, 4 Nov 2020 10:14:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726796AbgKDPOG (ORCPT ); Wed, 4 Nov 2020 10:14:06 -0500 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CDB5C0613D3 for ; Wed, 4 Nov 2020 07:14:06 -0800 (PST) Received: by mail-pg1-x541.google.com with SMTP id x13so16833719pgp.7 for ; Wed, 04 Nov 2020 07:14:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition; bh=ZNNounMQIMRz8K10oG/OB7lWGgxV/OEsHEiMQfK/Lv8=; b=C/P/mZbeUHdxW56yw6dSDbVuQsqw1gkds/wYzRuOe2oRN6NyBlmL3+CqoHKnnp+HnH T19nKeaxHK+tfJ6tLfbXguZEMjaJHo3Bk47KrcdsnNnVa0ue3V2Tl8PkwnDezoGrTbWA jKdiWDlFUnE6XliZpn58za66usgob8wv1LgqX772mLLzYIWbNLnNR6WlzmwlODeZV1JZ +LNL7mzJvjxOkdcmG67P1WJx9ltZmi5SXM1Z1ytZTDM+Hz4XPaZ5fS1h7uyP9nkhkU66 w2QrjOEsRFw5TL1rRBZb43tEQTuXJX3wkF0uEyhM2sY7fjG352+yOdl+VlytMIS/jRvO +WFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=ZNNounMQIMRz8K10oG/OB7lWGgxV/OEsHEiMQfK/Lv8=; b=EV/n87dCBtJ7OWCz2L8iW9oBD3u64DBxGjjfAeTP5Fkgc6y9JwJZlLbZ2wydi4rwsc HJc0UfGiPT0cWI74dCvWscyxcjodc05GinZGt/5QZfcCRflBUjOPdxDLJcpMMItcsmfa jeAFbi3puLUvehLX3dQbbABHc/uYoUjCjHYQD1qcrfqterP7CcXPJuSwxQtcsfVSRk+T 8WH/XQRBkzYJf/6Hayi31iKB9ahezvrHmDOkSsvnZVxNOSiNKRdvqllbdkRFfonNStc/ 9xFti14FWPTNMBWiN+pnW7Whb/UzUr1K+0/y0dH8gZu313VVHqCosU3RZDYXC1iVKxm3 0TLw== X-Gm-Message-State: AOAM530YOXbwKRoMl3vG+nLYxXpZk9Wcp9C/1bUJQcE5W/rV51USept+ kjHdwUcDl5QZLcxL/RMPPUU= X-Google-Smtp-Source: ABdhPJwqYTp5o+8CbcyUaE1B/F7rurtuzNjVeMUlFiaH2AP7l1ZV54Rnfv02uM64/jAslPkDIW5S2A== X-Received: by 2002:a62:2ec7:0:b029:164:4811:e1d6 with SMTP id u190-20020a622ec70000b02901644811e1d6mr31715059pfu.12.1604502845856; Wed, 04 Nov 2020 07:14:05 -0800 (PST) Received: from localhost ([160.202.157.3]) by smtp.gmail.com with ESMTPSA id t32sm2900277pgl.0.2020.11.04.07.14.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2020 07:14:05 -0800 (PST) Date: Wed, 4 Nov 2020 20:43:59 +0530 From: Deepak R Varma To: Felix Kuehling , Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= , David Airlie , Daniel Vetter , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: mh12gx2825@gmail.com Subject: [PATCH] drm/amdkfd: replace idr_init() by idr_init_base() Message-ID: <20201104151359.GA69034@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org idr_init() uses base 0 which is an invalid identifier. The new function idr_init_base allows IDR to set the ID lookup from base 1. This avoids all lookups that otherwise starts from 0 since 0 is always unused. References: commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient") Signed-off-by: Deepak R Varma --- drivers/gpu/drm/amd/amdkfd/kfd_events.c | 2 +- drivers/gpu/drm/amd/amdkfd/kfd_process.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c index ba2c2ce0c55a..b3339b53c8ad 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c @@ -230,7 +230,7 @@ static int create_other_event(struct kfd_process *p, struct kfd_event *ev) void kfd_event_init_process(struct kfd_process *p) { mutex_init(&p->event_mutex); - idr_init(&p->event_idr); + idr_init_base(&p->event_idr, 1); p->signal_page = NULL; p->signal_event_count = 0; } diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 65803e153a22..022e61babe30 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -1289,7 +1289,7 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, list_add(&pdd->per_device_list, &p->per_device_data); /* Init idr used for memory handle translation */ - idr_init(&pdd->alloc_idr); + idr_init_base(&pdd->alloc_idr, 1); return pdd; -- 2.25.1