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 D1606C43334 for ; Fri, 1 Jul 2022 18:53:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231688AbiGASx0 (ORCPT ); Fri, 1 Jul 2022 14:53:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231548AbiGASxS (ORCPT ); Fri, 1 Jul 2022 14:53:18 -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 2546E13F52 for ; Fri, 1 Jul 2022 11:53:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1656701596; 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=lD0UgE3dxvQIzw1sirJUBY/8o36UmN7hqjArgRHfL+E=; b=PLsYfurraVYc8dr5ryrKR7XIqSCSDgwKwZHKUH4Gyivif09jP7JTBZYsdf4sxm1gL4Z6eB ZvLT3mMMFn5hG1i95pctTvg8JzghhpUfCo4SlbKDhKyt5qlIq4bJaDm7EQyzaDsVelIXuk CsdFFErIGnIHbCspyfYyHEHnAW11uzg= Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-515-WV4YLMDDOACuu9WfEPBsIA-1; Fri, 01 Jul 2022 14:53:15 -0400 X-MC-Unique: WV4YLMDDOACuu9WfEPBsIA-1 Received: by mail-ed1-f70.google.com with SMTP id z19-20020a05640240d300b00437633081abso2308677edb.0 for ; Fri, 01 Jul 2022 11:53:15 -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=lD0UgE3dxvQIzw1sirJUBY/8o36UmN7hqjArgRHfL+E=; b=7fmPy5mzr192YCbOAyJybXnCLz0O1yPAoDmDV/Vywc5BKjy7OOmmdY3Hm0hMqIdj6H YllRiI3X8WSEmOPZTwivf5x5D9LPMjHZlC4Ssn5rBQFc/94vnuhQYnwwPd6gsVR0y+Si dcBvgk4iN5Y9kbYEKhlCPnWajy3Ak4EoxxHidwDcV6yWJFs2vK/KxTb1YYJ9xephw8K9 6K/AMFUaesklT0bfAtELbw2KhQxNXcQKx21882PH/FxZme2KB2k+jK9OHO4jF0fh16o+ ZY40Bt8dLvtSKnjAm6teQ6P2VNU8VLKflZB0yH+AyBOB7RLPJSdQU5/SOO9ZlRNQWQ50 aGWg== X-Gm-Message-State: AJIora9nFcdhNUbAd3WFe1UXjG0t2qwC/5nt+FKv4NOzPd0S46sRVpn2 Z5vY0E/fKCL3xKNfEGz4naVQhNU/PdnGzs1AfUQvXWkE5INGg/iUqYE8LDwghJ25iFQNSUcwy3W zfK35PaRxsRczn5H+WCxXlT/B X-Received: by 2002:a17:906:1b01:b0:726:be5e:7125 with SMTP id o1-20020a1709061b0100b00726be5e7125mr15735022ejg.678.1656701594154; Fri, 01 Jul 2022 11:53:14 -0700 (PDT) X-Google-Smtp-Source: AGRyM1tpE4potQHDaod4k+BwhozruburD50UmURvnLAMEsNDMRIJU1naqj6jrZJomh6q2+TomW/yPg== X-Received: by 2002:a17:906:1b01:b0:726:be5e:7125 with SMTP id o1-20020a1709061b0100b00726be5e7125mr15735005ejg.678.1656701593960; 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.29.2022.07.01.11.53.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Jul 2022 11:53:13 -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 04/10] drm: use idr_init_base() to initialize master->lessee_idr Date: Fri, 1 Jul 2022 20:52:57 +0200 Message-Id: <20220701185303.284082-5-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/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 63395bebaa6b..cf92a9ae8034 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -147,7 +147,7 @@ struct drm_master *drm_master_create(struct drm_device *dev) INIT_LIST_HEAD(&master->lessees); INIT_LIST_HEAD(&master->lessee_list); idr_init(&master->leases); - idr_init(&master->lessee_idr); + idr_init_base(&master->lessee_idr, 1); return master; } -- 2.36.1