From nobody Fri Dec 19 02:51:20 2025 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 95E721C688A for ; Tue, 30 Apr 2024 09:19:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714468756; cv=none; b=PO/LtvM2BWimogiyA+PqmFIJiDJSR/BCFrBb1XypMRVvrGSZyr1riZ5VUqGBNdHZnerLVUwk2IyIstAvX6UHyiZjZ2nIeVbzrAHXyTmnldep7y8Zbca48X+kw4a9OEAowXP3Rf7GdQ+UkL8IlR4ZVBI7kEdtuyNgqxOVzgwnqCo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714468756; c=relaxed/simple; bh=DfCPd4Sm9LK7oXDquhiPePSRCrvD2nPKphDjMObon5c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZQt/L9QEYha6ZUARsolZ3aZ0SAXGirxzZIfPR9dK7DzWKa50ghCQskYV1f2474vjldeFrIwZyll+cpErIBAd3i6Qdy+ZgAXA7WHQNcUEOTzciEqPlamKZ0SKwJUOh4glCA9ksOVaTjxN3ZLxvx1SnoLQ9rXpxRVOips3vrIjC7Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=hTKCEpBu; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="hTKCEpBu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1714468753; 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=E/OW8PJUv2MdPGe6JPUa5g7O0zHRLkmoFwJKzdUpl6c=; b=hTKCEpBuGZ2KYRnPPS9ug3FOR668f/oLN1Etf7330a/xRX2IhvpRtlAEEdf+DwM/OA9/aX TUsI3kcqu3EfjVR+OiDozbzpgYy1Z7UjzOtpMoxdMTtlZYVklckLrGfxXITZroZYrYm4Sq C6uE6qeZrMBWqsuzxU88y3lp6aCoDfg= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-320-YoU6loPMNMuK3nsvHyiSCA-1; Tue, 30 Apr 2024 05:19:07 -0400 X-MC-Unique: YoU6loPMNMuK3nsvHyiSCA-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A6AE03C0252D; Tue, 30 Apr 2024 09:19:05 +0000 (UTC) Received: from vschneid-thinkpadt14sgen2i.remote.csb (unknown [10.39.193.247]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4880740C5C3; Tue, 30 Apr 2024 09:19:03 +0000 (UTC) From: Valentin Schneider To: rcu@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Frederic Weisbecker , "Paul E. McKenney" , Peter Zijlstra , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Boqun Feng , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Zqiang Subject: [PATCH v2 21/27] rcu: Rename struct rcu_data .exp_dynticks_snap into .exp_watching_snap Date: Tue, 30 Apr 2024 11:17:25 +0200 Message-ID: <20240430091740.1826862-22-vschneid@redhat.com> In-Reply-To: <20240430091740.1826862-1-vschneid@redhat.com> References: <20240430091740.1826862-1-vschneid@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Content-Type: text/plain; charset="utf-8" The context_tracking.state RCU_DYNTICKS subvariable has been renamed to RCU_WATCHING, and the snapshot helpers are now prefix by "rcu_watching". Reflect that change into the storage variables for these snapshots. Signed-off-by: Valentin Schneider Reviewed-by: Frederic Weisbecker --- kernel/rcu/tree.h | 2 +- kernel/rcu/tree_exp.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index ac153e365355d..d0d6f46f12871 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -215,7 +215,7 @@ struct rcu_data { /* 4) rcu_barrier(), OOM callbacks, and expediting. */ unsigned long barrier_seq_snap; /* Snap of rcu_state.barrier_sequence. */ struct rcu_head barrier_head; - int exp_dynticks_snap; /* Double-check need for IPI. */ + int exp_watching_snap; /* Double-check need for IPI. */ =20 /* 5) Callback offloading. */ #ifdef CONFIG_RCU_NOCB_CPU diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index 4046fae99517e..d1b80ed7c3d65 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -361,7 +361,7 @@ static void __sync_rcu_exp_select_node_cpus(struct rcu_= exp_work *rewp) if (rcu_watching_in_eqs(snap)) mask_ofl_test |=3D mask; else - rdp->exp_dynticks_snap =3D snap; + rdp->exp_watching_snap =3D snap; } } mask_ofl_ipi =3D rnp->expmask & ~mask_ofl_test; @@ -381,7 +381,7 @@ static void __sync_rcu_exp_select_node_cpus(struct rcu_= exp_work *rewp) unsigned long mask =3D rdp->grpmask; =20 retry_ipi: - if (rcu_watching_changed_since(rdp, rdp->exp_dynticks_snap)) { + if (rcu_watching_changed_since(rdp, rdp->exp_watching_snap)) { mask_ofl_test |=3D mask; continue; } --=20 2.43.0