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 939EDCCA480 for ; Wed, 20 Jul 2022 13:29:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240978AbiGTN3X (ORCPT ); Wed, 20 Jul 2022 09:29:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235906AbiGTN2r (ORCPT ); Wed, 20 Jul 2022 09:28:47 -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 E7BA25288E for ; Wed, 20 Jul 2022 06:28:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658323725; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SAU7g0XmtNHmK1D83ahVz2l+EzcgZOJWEbwKcBBevW4=; b=HjcqYtLRY0SERqxxqO6PSxuhkRE8TDQptXL0hyH6NOHr+st6gfwbxyu0xB2UpM3R60zCLC 9FhCXOLBgp4kRcRU8yoQC9rUK4J7YmrlZTyBGUCzqp6qwamSzflkSTPKcF0mv8bfiTNQIY YdGr1TgC7LVYI1GmDc/V3cmkH8qxXDg= Received: from mail-ej1-f71.google.com (mail-ej1-f71.google.com [209.85.218.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-668-6M9J8xT6PxW6uNq3bCqLHg-1; Wed, 20 Jul 2022 09:28:44 -0400 X-MC-Unique: 6M9J8xT6PxW6uNq3bCqLHg-1 Received: by mail-ej1-f71.google.com with SMTP id oz11-20020a1709077d8b00b0072f2f17c267so2139284ejc.16 for ; Wed, 20 Jul 2022 06:28:44 -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=SAU7g0XmtNHmK1D83ahVz2l+EzcgZOJWEbwKcBBevW4=; b=JDscGWAUQP+hxc4NqsJqUIaW2s9gCwfFognC8YvNmxIJ1LN6khEu2dLHskb+fKH0qe BBfXjboRJYxuV8Cx2WKDHDGW8ykndLF/uqy6aAYiDjLBWFKfhPeRNS2zD+oliShvUpyE T/1/ZT3qlk9SpYdOYLSVV42LwnPsh8YtTj3BKuOxHQFYqLWqjDb3r+tILRqrU3rLRUlr VD9pSMiLpUOyVKp141oBEAyxQ6qU8SIwmc5MgL9RwIEWz5q8wHjN31h+HWO2YaBt3WVY q37qmtpOIoyVWtYKT1UjqsVVEHFDXj+z21UP07+oBg7QWF/Me2/IKDnK9iKDocy2MO7K PLeg== X-Gm-Message-State: AJIora+CjW3ySyiJV2DaYoN3sH+XG4oK0COYTx9+e7FzbeQb/L1GHd0U ABJzcHWXcCqcDhPwg74mFfvXNAp/6HLrql089D1W0Zyh33d3bYMesewcEYsVXLsOLhr4ENk6hF+ lbUAkEDH7AC69W8zPTA0pBdqx X-Received: by 2002:aa7:c6d5:0:b0:43b:a52b:2e9d with SMTP id b21-20020aa7c6d5000000b0043ba52b2e9dmr7641384eds.55.1658323723285; Wed, 20 Jul 2022 06:28:43 -0700 (PDT) X-Google-Smtp-Source: AGRyM1t+XJVzPyzWCIWUNCHkW1104cuBpXxWzX9K7AQTSOhaTvyBzI9SqYq7cbAFcGCNK4j3Viv8mQ== X-Received: by 2002:aa7:c6d5:0:b0:43b:a52b:2e9d with SMTP id b21-20020aa7c6d5000000b0043ba52b2e9dmr7641368eds.55.1658323723147; Wed, 20 Jul 2022 06:28:43 -0700 (PDT) Received: from pollux.redhat.com ([2a02:810d:4b40:2ee8:642:1aff:fe31:a15c]) by smtp.gmail.com with ESMTPSA id x7-20020a05640225c700b0043ac761db43sm12220687edb.55.2022.07.20.06.28.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jul 2022 06:28:42 -0700 (PDT) From: Danilo Krummrich To: airlied@linux.ie, daniel@ffwll.ch, mripard@kernel.org, christian.koenig@amd.com, emma@anholt.net Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Danilo Krummrich Subject: [PATCH RESEND 08/10] drm/v3d: use idr_init_base() to initialize v3d_priv->perfmon.idr Date: Wed, 20 Jul 2022 15:28:28 +0200 Message-Id: <20220720132830.193747-9-dakr@redhat.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220720132830.193747-1-dakr@redhat.com> References: <20220720132830.193747-1-dakr@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Acked-by: Christian König --- 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