Received: by 2002:ac0:cd04:0:0:0:0:0 with SMTP id w4csp172389imn; Fri, 1 Jul 2022 12:24:13 -0700 (PDT) X-Google-Smtp-Source: AGRyM1sObzPA/0ErKv6wSMMSEN8s/Bv+1adjPGk0+Sdq1QslcEw01QZ0BCxkzYYrQfKWdiyny8iL X-Received: by 2002:a63:b60a:0:b0:408:d61b:77ac with SMTP id j10-20020a63b60a000000b00408d61b77acmr14117660pgf.432.1656703452924; Fri, 01 Jul 2022 12:24:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1656703452; cv=none; d=google.com; s=arc-20160816; b=0pLVJUhHpfqKIkifGGkXvNfkGcM7pyXRPA/4wPeADUCxYfS/Eb2pTv3LHkmKQXfbvB jGA2oJHon4UjCO2KAChSpJXgCtFcPm2eejK90Fv1a2nPN56pb+fWRWFFbykmZ1xpX9zI NiTOXUBPAWS0aTWFmEfLwhJAP9FGyxm/qofnGIqPEG6LC3/K/4uJJumtsUhq5DmSksqS yclYKTD/u3xWLloC3sWAJzDBOl7/G7pKQno8Xc9XVyy25Va+F91qnufZBcWignsJWPx4 QyiQYQTm3Oo5tC4m3a4U5BqnBapolsWBgi8x9PXPe4fM3SJXRHuRU2JZPaMg35mBn/s7 aEVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=CdygpZqh9NvpmiEiKhKOinbjqxdLDChD2fJR1JgBJ3I=; b=PCe3UW80138XmR24ZtaeHnJdxk4vj5T5Yl4PWuVhx7ifCfnPQ9CYki0UeVWy3b4Pdm HYQUHE6JQB2XyJt0pzKwJhPqMT1YlS/pdkwO4o7H9S/wTDdL3LfEjspJUrEwNbk+sQf0 VH4jQnGObJmfD7LwToULbn0+sm+haCNVgHk18ffzSwNGTQ8h70z/ZM6AYUEYWaHc/F3/ tfJBWI/+WmnGf1M4ZrpH2uM2+tAHWTaglqEPoGADBHSzeLS+iXNQGyyUHM/lC//YxJhM vIhIzmFc7CBlYxpOo48Jpj+B8ZZa9XFjfSDOYTrF4m+4Nnuvdamtv7PCkrcyqbzJmrm7 Vjwg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=ZLagBYIK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id h11-20020a170902f7cb00b001697cf98e70si5337322plw.404.2022.07.01.12.24.01; Fri, 01 Jul 2022 12:24:12 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=ZLagBYIK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231575AbiGASxV (ORCPT + 99 others); Fri, 1 Jul 2022 14:53:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231529AbiGASxR (ORCPT ); Fri, 1 Jul 2022 14:53:17 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3E8D813E89 for ; Fri, 1 Jul 2022 11:53:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1656701595; 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=CdygpZqh9NvpmiEiKhKOinbjqxdLDChD2fJR1JgBJ3I=; b=ZLagBYIKyTnbPlMB7tlGB+Uwh1gVy5Uick81k6G1kQ/SsEDaLoIT75Ur35EGOinYqwldYX YftPgWtYuf5IxNvQ1TRzn26uudIqQXRmxeImLLGTkGF12q1XjGbtfGQGBIzIgn+/nRP1KW rLjMvNWcc4GQd5yQ5Uj8jEK/BzJXLvk= Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-583-UprX4n0fMJqriqnQJ3juNA-1; Fri, 01 Jul 2022 14:53:14 -0400 X-MC-Unique: UprX4n0fMJqriqnQJ3juNA-1 Received: by mail-ed1-f72.google.com with SMTP id y18-20020a056402441200b0043564cdf765so2304708eda.11 for ; Fri, 01 Jul 2022 11:53:14 -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=CdygpZqh9NvpmiEiKhKOinbjqxdLDChD2fJR1JgBJ3I=; b=q8Qh4u7092cI57HUenkAFzaOrmltutHd4svrLZcRgoYYClLHxatwi4WEaNvQcTcGQP RYnmcNkHfTBJvpnFvI3EpReGby/iEjOEqtBLkGuVhdENejpYqa1Wbks0sOyXIOSFPVWo qpamCd7J9QLrzTjJXhvhvFjhDUW59fRCNGnRPPMYkqs53ifLl5ZnP65K1r8OI8pkH9x/ iWnRJgSPffvfNsgDAHq4fpLtdGiV5TDDrg9tXJd5AHZirxV/UUdS+qIshHK0KAFZZjkW choqI6SfME1jM8iRruaaHzeDQgJliH7XxoUikU03gji/uQOXuKkdCnYXgVvYgXBy1uoh 3Aow== X-Gm-Message-State: AJIora/+P9Qk1NEfuqP5gWvScxd0ymjZveHdARlw8I5JhYwA/K8Sxmz4 YM6KC/yOparmgFNXjtquX0kEn0EikWWjjfL+iwZX3wgyMEhebnp0TPTXlf9Eb+G0IUcufz1bg3c 7M8ub0SvWo1Mc/M+aV2DLx/Su X-Received: by 2002:a17:907:1c11:b0:726:851e:179e with SMTP id nc17-20020a1709071c1100b00726851e179emr16035593ejc.39.1656701593200; Fri, 01 Jul 2022 11:53:13 -0700 (PDT) X-Received: by 2002:a17:907:1c11:b0:726:851e:179e with SMTP id nc17-20020a1709071c1100b00726851e179emr16035577ejc.39.1656701593048; Fri, 01 Jul 2022 11:53:13 -0700 (PDT) Received: from pollux.redhat.com ([2a02:810d:4b40:2ee8:642:1aff:fe31:a15c]) by smtp.gmail.com with ESMTPSA id cb25-20020a0564020b7900b004359dafe822sm15406658edb.29.2022.07.01.11.53.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jul 2022 11:53:12 -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 03/10] drm: use idr_init_base() to initialize master->magic_map Date: Fri, 1 Jul 2022 20:52:56 +0200 Message-Id: <20220701185303.284082-4-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 X-Spam-Status: No, score=-3.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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/drm_auth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 6e433d465f41..63395bebaa6b 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -140,7 +140,7 @@ struct drm_master *drm_master_create(struct drm_device *dev) kref_init(&master->refcount); drm_master_legacy_init(master); - idr_init(&master->magic_map); + idr_init_base(&master->magic_map, 1); master->dev = dev; /* initialize the tree of output resource lessees */ -- 2.36.1