From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (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 F2EF13F9F21 for ; Fri, 29 May 2026 15:08:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780067292; cv=none; b=DycHBc2fYNPb4kbfckir1tOsDMcHVo/3qYhvx+5mgvp+U4A0CzuXKRdMdFbQz3RmveXqFcOH2SAfTxy3cGe7ZbWghmyUT11bXKUeIOuYUUYnonAR1XQFDd6NTroMhlzO35Om/eX3EP/TAIY3514B58dc85muCYkdvslDZSD15L0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780067292; c=relaxed/simple; bh=cC+ojIAc3Le9jXEf/baGTObcFZeIkk6RSMDwnRnXepg=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=J8OIBUA9bAHZ4fPOocxa+0EvvSmDbS8NTof83GDcmBWT0Z0u5UTFLh7uaJmgN9pJ5T7rltn8p06GAj1NOe2XcNxS1HbGvHn9eRqb3Lr2NRh0DY8c9L/A6FK3kS7HBa8xi+B95kad46CcwLznsPIfPPw3m+z/7W0EEQ5MXUg/27k= 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=vf6plHPw; arc=none smtp.client-ip=209.85.215.201 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="vf6plHPw" Received: by mail-pg1-f201.google.com with SMTP id 41be03b00d2f7-c8525f0807aso10090741a12.3 for ; Fri, 29 May 2026 08:08:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1780067290; x=1780672090; 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=4xsn0b4/TuAYVw8d7nIvqzj+ui/IxR9VfuC7re3vJ7o=; b=vf6plHPwW+wzFH70olJSgA4vwTxMSzWl+04OZS/V2PdjcQV4q671lskaHmsFE+VyQJ Yu4QsrH5BcfWytzzfPP2T8iofY6zieO4/oki8iEDisDkymGjd84UYjmhTKRw5h43Qtb7 ey0XUy8XweqXuMS4sRexuWUKrcc9eAXSfp6AppDf+V43+vuNFzNsuuQjsBW0Pcpq4vLu fgxVIGfohtH9bVRa9aNTKfhuF8Wcf36/3WSEiKNoW7EW1nHtQYnOcyhoId0CTU0Q56tS J1EayF91Gck6n3ugwKvqONg2pVcr+1t/SK2Oj3pghpRI0YiGUmDPWhmjtw4q6CFC0GIw jPfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780067290; x=1780672090; 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=4xsn0b4/TuAYVw8d7nIvqzj+ui/IxR9VfuC7re3vJ7o=; b=QPl7J2C2UoPRCf0HsmjNSAlaMRFZ+ZjNI7Q9RIPwYHVb5Rf8egXNBQoRnVFqZqhLWP rBgcoZsr9rSKCdW2IjZSE49/DKN8sbm45XyqLsbx0poOGrrJ8u+usprArexNXBECMwXK mZkM8tNGcPhMxyay+TFrABI3hxSsB1vEGl2b2AWjQPtAQD0P+mIHzT3WhP59zlsodi6w f3c0LA0/uEvhh7t7FXyGCIFykrUwakkvL3lQFuB9OuRJYG8ERtMGj69p3dUPJTMStdsX uYwQrESgan+1Vx/vewENdhCg3T4TyyG5QVBDil013cOpR9QhbOxQTegP7sKZT6NLEBDo iUVQ== X-Forwarded-Encrypted: i=1; AFNElJ9z6QFgFH+59AY7YhrPdP1JZFztAc6YNOxybWrhbnnT1UTkvXxwGe7NM6ocnmsWNhScoBtPBeac3ZwA6mhP3A==@lists.linux.dev X-Gm-Message-State: AOJu0YwAlXmzhkUVq5cu7/sEzu3uCza+urONAHRPmbKKFRY3wY4TprZU 8z/zjyLunZpBqynZT9+Q8CojLzpXJWVKqHB3gqYpy1xeX1cnzRvfzr3GM0O+hAMoQ8Q+LoxVhW5 QOx7abQ== X-Received: from pgfu20.prod.google.com ([2002:a65:6714:0:b0:c85:82f6:34d1]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:2452:b0:3b3:24d5:d656 with SMTP id adf61e73a8af0-3b411deb049mr3990553637.23.1780067290086; Fri, 29 May 2026 08:08:10 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 29 May 2026 08:08:07 -0700 In-Reply-To: <20260529144435.704127-1-seanjc@google.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260529144435.704127-1-seanjc@google.com> X-Mailer: git-send-email 2.54.0.823.g6e5bcc1fc9-goog Message-ID: <20260529150807.714538-1-seanjc@google.com> Subject: [PATCH v4 36/47] x86/pvclock: Mark setup helpers and related various as __init/__ro_after_init From: Sean Christopherson To: Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Kiryl Shutsemau , Sean Christopherson , "K . Y . Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Ajay Kaher , Alexey Makhalov , Jan Kiszka , Andy Lutomirski , Peter Zijlstra , Juergen Gross , Daniel Lezcano , John Stultz Cc: "H . Peter Anvin" , Rick Edgecombe , Vitaly Kuznetsov , Broadcom internal kernel review list , Boris Ostrovsky , Stephen Boyd , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-coco@lists.linux.dev, linux-hyperv@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org, David Woodhouse , Tom Lendacky , Nikunj A Dadhania , David Woodhouse , Michael Kelley , Thomas Gleixner 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. Reviewed-by: David Woodhouse 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; -- 2.54.0.823.g6e5bcc1fc9-goog