From patchwork Tue Apr 29 11:32:29 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Valentin Schneider X-Patchwork-Id: 885944 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 23B052C2567 for ; Tue, 29 Apr 2025 11:40:04 +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=1745926805; cv=none; b=rnRzQKpG/HyRjin9X2JNsMsNRYo9+UgZRjHxBGdqQKqGjGu6lIEBuosJGot/wyF9UshDfaFYSHB/fodDjehopfxh1XSEixV0yAjn/2wIW+KzxYasxHHuqkLylj96OszLmSt8T0phK5iO5l01N5pHRznr+zNABsvpp4aIUUSOjHE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745926805; c=relaxed/simple; bh=VSxb5F7oobkTTJUMt4CqgRfnzE/ukEV83NHiwqK1rGI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KmHBdZ5n+Xc9RRueT0O03iJr7C5cGC/Gb+HX7OekbWGx4dM5wEhtaKOpKV91vFB+Hcadr+uUBOY9aiTlDPfNc+O9OSpDnM51XUFYjQMcMI30DBZUGfeHaic/hmmoGnDtiYFqmNnaKvk+v8ausL5B6GROoSGiZ/OxM0gWsDyAmFA= 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=bKc9K/kw; 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="bKc9K/kw" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1745926803; 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=keUFEOxzvfEuQuGtzUh6W6JrELfzfZcOEBMj82wu5Js=; b=bKc9K/kw7BVm9YJ6iQRmjPv7Dz8s7Ve6x9juJ9Cbi011svby5RMUTEBQEfRD65fEu+e0qQ gkz+uBIB0XSqmGjhc3BZbd/cNxmCVS5O3P08slehFWHS395NljAL96NK+r3MG/tMdFhqhA tUpj3eyl22VtbD+/5Zq2IxiexDKvyeU= 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-480-0KyN8NHVNGesDTy4uiZiQg-1; Tue, 29 Apr 2025 07:40:00 -0400 X-MC-Unique: 0KyN8NHVNGesDTy4uiZiQg-1 X-Mimecast-MFC-AGG-ID: 0KyN8NHVNGesDTy4uiZiQg_1745926796 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (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 F100F180010A; Tue, 29 Apr 2025 11:39:55 +0000 (UTC) Received: from vschneid-thinkpadt14sgen2i.remote.csb (unknown [10.45.225.102]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 8A8D619560A3; Tue, 29 Apr 2025 11:39:26 +0000 (UTC) From: Valentin Schneider To: linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, linux-perf-users@vger.kernel.org, kvm@vger.kernel.org, linux-arch@vger.kernel.org, linux-modules@vger.kernel.org, linux-trace-kernel@vger.kernel.org, rcu@vger.kernel.org, linux-hardening@vger.kernel.org, linux-kselftest@vger.kernel.org, bpf@vger.kernel.org Cc: Juri Lelli , Marcelo Tosatti , Yair Podemsky , Josh Poimboeuf , Daniel Wagner , Petr Tesarik , Nicolas Saenz Julienne , Frederic Weisbecker , "Paul E. McKenney" , Dave Hansen , Sean Christopherson , Juergen Gross , Ajay Kaher , Alexey Makhalov , Broadcom internal kernel review list , Russell King , Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Peter Zijlstra , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , Pawan Gupta , Paolo Bonzini , Arnd Bergmann , Jason Baron , Steven Rostedt , Ard Biesheuvel , Luis Chamberlain , Petr Pavlu , Sami Tolvanen , Daniel Gomez , Naveen N Rao , Anil S Keshavamurthy , "David S. Miller" , Masami Hiramatsu , Neeraj Upadhyay , Joel Fernandes , Josh Triplett , Boqun Feng , Uladzislau Rezki , Mathieu Desnoyers , Lai Jiangshan , Zqiang , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Kees Cook , Shuah Khan , Masahiro Yamada , Alice Ryhl , Miguel Ojeda , "Mike Rapoport (Microsoft)" , Rong Xu , Rafael Aquini , Song Liu , Andrii Nakryiko , Dan Carpenter , Brian Gerst , "Kirill A. Shutemov" , Benjamin Berg , Vishal Annapurve , Randy Dunlap , John Stultz , Tiezhu Yang Subject: [PATCH v5 12/25] arm64/paravirt: Mark pv_steal_clock static call as __ro_after_init Date: Tue, 29 Apr 2025 13:32:29 +0200 Message-ID: <20250429113242.998312-13-vschneid@redhat.com> In-Reply-To: <20250429113242.998312-1-vschneid@redhat.com> References: <20250429113242.998312-1-vschneid@redhat.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 The static call is only ever updated in __init pv_time_init() __init xen_time_setup_guest() so mark it appropriately as __ro_after_init. Signed-off-by: Valentin Schneider --- arch/arm64/kernel/paravirt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/paravirt.c b/arch/arm64/kernel/paravirt.c index aa718d6a9274a..ad28fa23c9228 100644 --- a/arch/arm64/kernel/paravirt.c +++ b/arch/arm64/kernel/paravirt.c @@ -32,7 +32,7 @@ static u64 native_steal_clock(int cpu) return 0; } -DEFINE_STATIC_CALL(pv_steal_clock, native_steal_clock); +DEFINE_STATIC_CALL_RO(pv_steal_clock, native_steal_clock); struct pv_time_stolen_time_region { struct pvclock_vcpu_stolen_time __rcu *kaddr;