From nobody Fri Dec 19 14:01:14 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 A51EE2FB994 for ; Fri, 10 Oct 2025 15:44:50 +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=1760111092; cv=none; b=dOEXszp9ov4K5wcBRooy3hUekPZ6/m7TJNQiBRDGuHZN2+t6Q7zpPYU8f9M9nEiDbPrQy0WQtqZBPk9wHXXzfcin/5oKZIQpaXk53WNkEJWBA05ZNgKjKtkTumBbzYBSy/GmTNw5s3zXe/e9OgyPIXUPrFeKcTBJVW2vWE0mMeA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760111092; c=relaxed/simple; bh=pKh76Nm+gleSSaDhponuTSE6i9RO/F37+kzRltiJzdQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EhaWIKWF9ZB1HpccHBGM1tPt7idEpurxUHnI1wUQeFIgYmEtv4MTD4pON/TzT77NJqoMnHrLmzOa//JhvT1W/GSD/muaDbbqu4Bb9p4AFEUfCJn2tuOry1tH1zJ5XFW4eU/qZeeZbq655mZxYVINz3bDPlKBnpsk9Xbqu+G5NBo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=dsuX1LoS; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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="dsuX1LoS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1760111089; 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=s5bTE2UFDn4FhRjqFPlcPPiaXyzSIXCKwLwP8uiIlgI=; b=dsuX1LoSVuwOPfDItSebt/z7uGHeIRmYmdu2C2lgf7lUQZxOT+sOUR4WS4P/MItq3KWtEt xp3x+n+v9MaX4mCWWB/c6q+FWOWzq59qVg2S54FQHIRvG801R5yFcSwpHF2WjLBOixbEt6 m2okf/N63r58M1k5CuUIYxCV4Bbr5zI= 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-26-35CwgeqANnqyTiiCVHZwvA-1; Fri, 10 Oct 2025 11:44:44 -0400 X-MC-Unique: 35CwgeqANnqyTiiCVHZwvA-1 X-Mimecast-MFC-AGG-ID: 35CwgeqANnqyTiiCVHZwvA_1760111080 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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 BFACA1800562; Fri, 10 Oct 2025 15:44:39 +0000 (UTC) Received: from vschneid-thinkpadt14sgen2i.remote.csb (unknown [10.45.224.29]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BB6231800578; Fri, 10 Oct 2025 15:44:24 +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: 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 , Frederic Weisbecker , "Paul E. McKenney" , 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 Subject: [PATCH v6 15/29] sched/clock: Mark sched_clock_running key as __ro_after_init Date: Fri, 10 Oct 2025 17:38:25 +0200 Message-ID: <20251010153839.151763-16-vschneid@redhat.com> In-Reply-To: <20251010153839.151763-1-vschneid@redhat.com> References: <20251010153839.151763-1-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 10.30.177.111 Content-Type: text/plain; charset="utf-8" sched_clock_running is only ever enabled in the __init functions sched_clock_init() and sched_clock_init_late(), and is never disabled. Mark it __ro_after_init. Signed-off-by: Valentin Schneider --- kernel/sched/clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index f5e6dd6a6b3af..c1a028e99d2cd 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -69,7 +69,7 @@ notrace unsigned long long __weak sched_clock(void) } EXPORT_SYMBOL_GPL(sched_clock); =20 -static DEFINE_STATIC_KEY_FALSE(sched_clock_running); +static DEFINE_STATIC_KEY_FALSE_RO(sched_clock_running); =20 #ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK /* --=20 2.51.0