From patchwork Wed Mar 13 18:01:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Valentin Schneider X-Patchwork-Id: 13591780 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 568B35DF2E for ; Wed, 13 Mar 2024 18:02:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710352943; cv=none; b=gQ8pjk+0vpqjPrFX/59BmvXVruX9Pn0QpmuEw21pERwSlgoqPJQriTizXm9bGMgeKITaAr0OoiXHj1a12UGcGcQ7fXreGwxeHDIEHzcbwH940jSYJX9xOn6APJzyOX9KrEs8VnfaTZYWeM6ln41M4m87suk/d+5IzDpHHjFPifg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710352943; c=relaxed/simple; bh=s10C1zZjvwCXFycCx8SBZlUoJ+dZ4c7ymn57tEmK7hc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MFKMtEMMsVHW69botLELPJfAInjrHL6kf9S4rzhJx0TNzR/D3ZmI/drPMnzEQ8DiXVRra+iKqQYryI5ycvQtCppHd63qAiMDhZ5q5zyoi8nbwxfWpJc8IURqtlO+W4gu+2L8B3bcm6CSgzdmoY+iEst2IntZXI9ME501tO7pzdk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none 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=QPByEZmy; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none 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="QPByEZmy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1710352941; 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=JXp0Mm4yGTLmvCcCdU6JXDu0ajdt7pw4zFh18lmT1BM=; b=QPByEZmyPjcJ+tebuuaO2ik4IRzgt2GAoTvA9/EsneUnp0dgZQPJvi7DuWU5P+EDzDiEyi VzVGxby7tuIE2b/r72r56I1RL3qOXxn29w3B7b2Y9MFextFn+4QD5sHGE6zdtLymiUgxaJ yz0wlpbwOh2u9l1k+iwYB+cND8VomaM= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-299-WJUtYtCGOfiw3dIR08-FwQ-1; Wed, 13 Mar 2024 14:02:16 -0400 X-MC-Unique: WJUtYtCGOfiw3dIR08-FwQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (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 mimecast-mx02.redhat.com (Postfix) with ESMTPS id E5AFD185A783; Wed, 13 Mar 2024 18:02:14 +0000 (UTC) Received: from vschneid-thinkpadt14sgen2i.remote.csb (unknown [10.39.194.115]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1A985C04224; Wed, 13 Mar 2024 18:02:09 +0000 (UTC) From: Valentin Schneider To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-arch@vger.kernel.org, x86@kernel.org Cc: Sean Christopherson , Josh Poimboeuf , Thomas Gleixner , Borislav Petkov , Peter Zijlstra , Pawan Gupta , Ingo Molnar , Dave Hansen , "H. Peter Anvin" , Paolo Bonzini , Wanpeng Li , Vitaly Kuznetsov , Arnd Bergmann , Jason Baron , Steven Rostedt , Ard Biesheuvel , Frederic Weisbecker , "Paul E. McKenney" , Feng Tang , Andrew Morton , "Mike Rapoport (IBM)" , Vlastimil Babka , David Hildenbrand , "ndesaulniers@google.com" , Michael Kelley , "Masami Hiramatsu (Google)" Subject: [PATCH v3 3/4] x86/kvm: Make kvm_async_pf_enabled __ro_after_init Date: Wed, 13 Mar 2024 19:01:05 +0100 Message-ID: <20240313180106.2917308-4-vschneid@redhat.com> In-Reply-To: <20240313180106.2917308-1-vschneid@redhat.com> References: <20240313180106.2917308-1-vschneid@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 kvm_async_pf_enabled is only ever enabled in __init kvm_guest_init(), so mark it as __ro_after_init. Reviewed-by: Sean Christopherson Signed-off-by: Valentin Schneider Acked-by: Josh Poimboeuf --- arch/x86/kernel/kvm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 101a7c1bf2008..6c6ff015b99fd 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -44,7 +44,7 @@ #include #include -DEFINE_STATIC_KEY_FALSE(kvm_async_pf_enabled); +DEFINE_STATIC_KEY_FALSE_RO(kvm_async_pf_enabled); static int kvmapf = 1;