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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8BF89CE7B1B for ; Fri, 14 Nov 2025 15:03:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=W0yyCaz4IBzCuynoK7eJFq8qb8jjHV9aZwpbdt5Xpuk=; b=N0gG9ws/xKt4TkSSFAbvW035oZ w14v8Y0K/rCWFKC8E1UpIFaxhtVx7x7PQ6OeHmoV/hySvUWHx9h4qY2q35IEM6nT2X/7v6573ld+4 FRtJHWl9GSWd8OxmdH/nRLxceDYVdRaXmDnS6Tu0epM16YPyKE/oQ37br7u/3JJfxTBLSonByCGoI JNREMgGwc0g/VOZ/3M0FTQ/6a4QpIEc+BBjU/kmdb77zKdBsfIJabduoALB+uOykh6Y4iJw4IKXdc lUhBMRHT2PLGPBrTh4o9faeWimdD7Asgtg6ELXRtoOgvj7mz1Y1JPEYx/tl1B0CKu2iveXM6uc58S GIsXLhPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJvKp-0000000CQBB-3u3O; Fri, 14 Nov 2025 15:03:37 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJvKm-0000000CQ8T-1hg4 for linux-arm-kernel@lists.infradead.org; Fri, 14 Nov 2025 15:03:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1763132611; 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=W0yyCaz4IBzCuynoK7eJFq8qb8jjHV9aZwpbdt5Xpuk=; b=S128cfoaAx2pbCrWn23YEvs5N2yQKBQXW+lnmq5p2EGtIUSpSke7y6aj39j1xrTI3H3Vrg wZRFq5wCWv/jcSgeRNpcuRdclsRanrQugfUKeQ+0PLQ7CLLnHYrsnBBoVPL++n75y+or0+ O1PCc4FSNdHyNS7DV0pJQ8IDlIGRD8M= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-486-neiQKoMHNwSSwPFkEubsAQ-1; Fri, 14 Nov 2025 10:03:27 -0500 X-MC-Unique: neiQKoMHNwSSwPFkEubsAQ-1 X-Mimecast-MFC-AGG-ID: neiQKoMHNwSSwPFkEubsAQ_1763132601 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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 mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 621861800107; Fri, 14 Nov 2025 15:03:20 +0000 (UTC) Received: from vschneid-thinkpadt14sgen2i.remote.csb (unknown [10.45.226.10]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 848421956048; Fri, 14 Nov 2025 15:03:06 +0000 (UTC) From: Valentin Schneider To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, rcu@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, linux-arch@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: "Paul E. McKenney" , Frederic Weisbecker , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Arnaldo Carvalho de Melo , Josh Poimboeuf , Paolo Bonzini , Arnd Bergmann , Jason Baron , Steven Rostedt , Ard Biesheuvel , Sami Tolvanen , "David S. Miller" , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Boqun Feng , Uladzislau Rezki , Mathieu Desnoyers , Mel Gorman , Andrew Morton , Masahiro Yamada , Han Shen , Rik van Riel , Jann Horn , Dan Carpenter , Oleg Nesterov , Juri Lelli , Clark Williams , Yair Podemsky , Marcelo Tosatti , Daniel Wagner , Petr Tesarik , Shrikanth Hegde Subject: [PATCH v7 04/31] rcutorture: Make TREE04 use CONFIG_RCU_DYNTICKS_TORTURE Date: Fri, 14 Nov 2025 16:01:06 +0100 Message-ID: <20251114150133.1056710-5-vschneid@redhat.com> In-Reply-To: <20251114150133.1056710-1-vschneid@redhat.com> References: <20251114150133.1056710-1-vschneid@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251114_070332_542355_284260CA X-CRM114-Status: GOOD ( 11.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org We now have an RCU_EXPERT config for testing small-sized RCU dynticks counter: CONFIG_RCU_DYNTICKS_TORTURE. Modify scenario TREE04 to exercise to use this config in order to test a ridiculously small counter (2 bits). Link: http://lore.kernel.org/r/4c2cb573-168f-4806-b1d9-164e8276e66a@paulmck-laptop Suggested-by: Paul E. McKenney Signed-off-by: Valentin Schneider Reviewed-by: Paul E. McKenney Reviewed-by: Frederic Weisbecker --- tools/testing/selftests/rcutorture/configs/rcu/TREE04 | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 index dc4985064b3ad..67caf4276bb01 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/TREE04 +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE04 @@ -16,3 +16,4 @@ CONFIG_DEBUG_OBJECTS_RCU_HEAD=n CONFIG_RCU_EXPERT=y CONFIG_RCU_EQS_DEBUG=y CONFIG_RCU_LAZY=y +CONFIG_RCU_DYNTICKS_TORTURE=y -- 2.51.0