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 D0A1FC43334 for ; Fri, 1 Jul 2022 19:02:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232056AbiGATCn (ORCPT ); Fri, 1 Jul 2022 15:02:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232048AbiGATCl (ORCPT ); Fri, 1 Jul 2022 15:02:41 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2059237ABE for ; Fri, 1 Jul 2022 12:02:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1656702159; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5LWfDQABAaX6JpmqkFhW71LBBJJ2YX+O6PnBrulbv00=; b=X4gdVzkJrJyio3IFAqwXu5JxDK+kE3K823RF/ZE9DWiU9oEzAIoSmR7P21unssXyjVTttu OC187BR6cXMxGrTvRz5NqDFTVCwT0MKCwfiMFTlOWwxQ5SQuumwQkxODb2pbef9Bdh8ssn V+hMfZGc2iimRkIPMxzXNhJtd4c1P40= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-522-4uShMGItPOOQ_Zqo0y_ykA-1; Fri, 01 Jul 2022 15:02:37 -0400 X-MC-Unique: 4uShMGItPOOQ_Zqo0y_ykA-1 Received: by mail-wm1-f72.google.com with SMTP id az40-20020a05600c602800b003a048edf007so1344930wmb.5 for ; Fri, 01 Jul 2022 12:02:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5LWfDQABAaX6JpmqkFhW71LBBJJ2YX+O6PnBrulbv00=; b=bUF5U7nlR8SjafvEb0yf5AspcnpZsrT3FOd6DLckiL+9o9IQ2AtZMud98fShP2sPpS FqhL1Dn+GuvyndnQdOcyfAiHjHpzL1XDMiCCMeqagb7DRO4M1Zpdnxc0CK9GDdldmODw 102P+xzly479dSazKX3JMPlyIuK83kF46v3x1bDf1+Atx5QFm+7fw3ZDxDD2dmbR2QsG zqZV5ONZYSrUr+6kC9HyIUJosm3wFtlybI7oJK1N2ctb0m4WRdlxa6AYKmA2dx8GNw5H cCPbPvGgPmfJLg8A7Ia8mhGhL6j4T+RuJUMCVndTXv0D7dQyfW/GWh3TS1lY5mA3xeHb HVvw== X-Gm-Message-State: AJIora9sndrXJB6WpXM8l57ha+aPhakRHllBTy8ll1S+Ms0rb/UuG2rE eGtyyZp30RCi++j5BRV5/al52apKp5+GzpDz7v7WbFIPStRI/YRxXoDM082Ax0d7m0rWBrsCr/P n48NxY7Fo98JgNzbjEFG25XQq X-Received: by 2002:a5d:420f:0:b0:21d:54a1:691c with SMTP id n15-20020a5d420f000000b0021d54a1691cmr599960wrq.40.1656702156600; Fri, 01 Jul 2022 12:02:36 -0700 (PDT) X-Google-Smtp-Source: AGRyM1slXnmlpnnf2Fh346beEHXPcik49nkXMKD8QypwkLs3wJX8XDvqeUcc8EozNRusoL1OG6yUpQ== X-Received: by 2002:a5d:420f:0:b0:21d:54a1:691c with SMTP id n15-20020a5d420f000000b0021d54a1691cmr599950wrq.40.1656702156446; Fri, 01 Jul 2022 12:02:36 -0700 (PDT) Received: from pollux.redhat.com ([2a02:810d:4b40:2ee8:642:1aff:fe31:a15c]) by smtp.gmail.com with ESMTPSA id j8-20020a05600c190800b0039c5642e430sm12535470wmq.20.2022.07.01.12.02.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jul 2022 12:02:36 -0700 (PDT) From: dakr@redhat.com To: airlied@linux.ie, daniel@ffwll.ch, christian.koenig@amd.com, emma@anholt.net Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH 08/10] drm/v3d: use idr_init_base() to initialize v3d_priv->perfmon.idr Date: Fri, 1 Jul 2022 21:02:25 +0200 Message-Id: <20220701190227.284783-1-dakr@redhat.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220701185303.284082-1-dakr@redhat.com> References: <20220701185303.284082-1-dakr@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Danilo Krummrich idr_init_base(), implemented by commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient"), let us set an arbitrary base other than idr_init(), which uses base 0. Since, for this IDR, no ID < 1 is ever requested/allocated, using idr_init_base(&idr, 1) avoids unnecessary tree walks. Signed-off-by: Danilo Krummrich --- drivers/gpu/drm/v3d/v3d_perfmon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/v3d/v3d_perfmon.c b/drivers/gpu/drm/v3d/v3d_perfmon.c index f6a88abccc7d..48aaaa972c49 100644 --- a/drivers/gpu/drm/v3d/v3d_perfmon.c +++ b/drivers/gpu/drm/v3d/v3d_perfmon.c @@ -95,7 +95,7 @@ struct v3d_perfmon *v3d_perfmon_find(struct v3d_file_priv *v3d_priv, int id) void v3d_perfmon_open_file(struct v3d_file_priv *v3d_priv) { mutex_init(&v3d_priv->perfmon.lock); - idr_init(&v3d_priv->perfmon.idr); + idr_init_base(&v3d_priv->perfmon.idr, 1); } static int v3d_perfmon_idr_del(int id, void *elem, void *data) -- 2.36.1