From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8FA03932C4 for ; Fri, 15 May 2026 19:20:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778872856; cv=none; b=mCzQa4qhAGAuLThbkIpTWiLFxFtbPr7r9rsU5MDE87yIOepdcD5IfXN0IIbft75uDx5SzJOv2GVgwlnkkXma53pKSWkU5syK84yrUPEa6wmrAtqObfqrds7jXtiGpZnRtaMglU1JYUzN3LWkvyml11hZ48UX0dNXpiUTcFK/Aqc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778872856; c=relaxed/simple; bh=JoZRC/hW+tKnKrEAUcORKk9q7uPs7dRukf9wHei9sJ4=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=NX16Ajfk9DCB4QsnV6ywWXv1CzMqIpmdO7AGecxKz0eQ9ZVmJ97kiTcx3bdu8vxOQbGIeBKwMH/OyZvrFAbta6AZHJF2P1hyMHoSCj2x4p2SMCjAho584W/MltJqQMpYNnbHdadpMHkxfEG2wUqMo6Ed52xAbb4FBWY6vejV3LM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=qtQdHCwV; arc=none smtp.client-ip=209.85.210.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="qtQdHCwV" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-83536dc3be5so248311b3a.1 for ; Fri, 15 May 2026 12:20:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1778872854; x=1779477654; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=0xIKAIujVCN543pIVJIG4PCsIsqHFXWMUqZ1keR+hJo=; b=qtQdHCwV66lQty4bmEDEthVKPvj+aaW/lrLi5v36cURdqRAvoLfBHmwqGaxuCRTMEY 2Ln/vQR5IT+Owv+2av5Jd6mWk4TCMXFKwUiZsIFMd8YplmhH/AS2ceywN3TNurGpgyRA uiS51Is0PmA1IR6oFYdbW7poDSr/jcG4m/gFfDNz5KhLDJIPLm5BXALt7/8w5CPI+FVb IsvbtdCjMCSqU/c3W5t77AFLJvK0adQqD1U5+ufd6VgMPb7RhSrruj+vY/dAOQzlE6P3 FhuwIIn1Y3xE8kUz46Cd+ilfNRc3ygb5COFWqGV6hFy7T8vfMGNpqQpK9WRSexPl3ZnH Eamw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778872854; x=1779477654; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=0xIKAIujVCN543pIVJIG4PCsIsqHFXWMUqZ1keR+hJo=; b=TnOlZq45JV6Tk1lZ5M6VEWoyZRUEd7I27CWUDGcVQjnH1ffpWmaY/uVxbNeJYTXjWW kyJODnKo+iInPrU5/42ANT61I8joL1hyXJXERK4NhSAL3xGggu+PC2aml/7CKWtGLx6e 1g+gcfIYJvCjHpgf6BSRo03PjpeXwukxQNhwDQbQY9Z460MjvXBkQIU0H/+CWzRUFS7r YkcnJa51QbJb9t2UewxaHC9Z5Eo9FgFpunYXOO0QhlPym0+Qtc46ymi6FVT5R2QCTaeE wJxWCRZJtQo3VkVJE+lW4YUmA2ZDSnBgMsKFBIb/s6oYInct8R4CzwYqxNHrkMq1RD8x 7LJw== X-Forwarded-Encrypted: i=1; AFNElJ8wW/Z+sqIIzIr18pcl3gccdUKklDDnnHcUGIginS+VXC5wZb51SXRHABWEl3BimLWI2K3jMPrqNTZf8ToMSA==@lists.linux.dev X-Gm-Message-State: AOJu0YxCh3859oHkyykiTG36yiVRtOUR9ssNQwXUMATLznd6qoOKioFV SChe7qMay4XzQ7WZJXzLrYJuO2M2OoePbln631M16Gy1XY1Dxg/9V5t27ctbaK3kz2/IMgahzIr gwhND0Q== X-Received: from pfbbd18.prod.google.com ([2002:a05:6a00:2792:b0:82f:75de:5da4]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:1908:b0:82f:50cd:e586 with SMTP id d2e1a72fcca58-83f33cb2c40mr5886702b3a.13.1778872853499; Fri, 15 May 2026 12:20:53 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 15 May 2026 12:19:22 -0700 In-Reply-To: <20260515191942.1892718-1-seanjc@google.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260515191942.1892718-1-seanjc@google.com> X-Mailer: git-send-email 2.54.0.563.g4f69b47b94-goog Message-ID: <20260515191942.1892718-22-seanjc@google.com> Subject: [PATCH v3 21/41] x86/pvclock: Mark setup helpers and related various as __init/__ro_after_init From: Sean Christopherson To: Kiryl Shutsemau , Paolo Bonzini , Sean Christopherson , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Ajay Kaher , Alexey Makhalov , Jan Kiszka , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Juergen Gross , Daniel Lezcano , Thomas Gleixner , John Stultz Cc: Rick Edgecombe , Vitaly Kuznetsov , Broadcom internal kernel review list , Boris Ostrovsky , Stephen Boyd , x86@kernel.org, linux-coco@lists.linux.dev, kvm@vger.kernel.org, linux-hyperv@vger.kernel.org, virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, Michael Kelley , Tom Lendacky , Nikunj A Dadhania , Thomas Gleixner , David Woodhouse Content-Type: text/plain; charset="UTF-8" Now that Xen PV clock and kvmclock explicitly do setup only during init, tag the common PV clock flags/vsyscall variables and their mutators with __init. Signed-off-by: Sean Christopherson --- arch/x86/kernel/pvclock.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index b3f81379c2fc..a51adce67f92 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -16,10 +16,10 @@ #include #include -static u8 valid_flags __read_mostly = 0; -static struct pvclock_vsyscall_time_info *pvti_cpu0_va __read_mostly; +static u8 valid_flags __ro_after_init = 0; +static struct pvclock_vsyscall_time_info *pvti_cpu0_va __ro_after_init; -void pvclock_set_flags(u8 flags) +void __init pvclock_set_flags(u8 flags) { valid_flags = flags; } @@ -153,7 +153,7 @@ void pvclock_read_wallclock(struct pvclock_wall_clock *wall_clock, set_normalized_timespec64(ts, now.tv_sec, now.tv_nsec); } -void pvclock_set_pvti_cpu0_va(struct pvclock_vsyscall_time_info *pvti) +void __init pvclock_set_pvti_cpu0_va(struct pvclock_vsyscall_time_info *pvti) { WARN_ON(vclock_was_used(VDSO_CLOCKMODE_PVCLOCK)); pvti_cpu0_va = pvti; -- 2.54.0.563.g4f69b47b94-goog