From nobody Fri Dec 19 14:03:01 2025 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 3FFC124DD17 for ; Fri, 10 Oct 2025 15:45:03 +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=1760111106; cv=none; b=eqIbQer9cgGjSrGbXRfotyKfkkXw4LwoLKRbz0vPZDmXfBW66OTtpnyQxzcYkZiB3Cxne9oqZL87PVx8LHX6mrGF1tru5YhV250fRWzT9SPy62aFt3HEeYpwSt0Ssi3CxnRI5HSy8gtg3A8vP0YRBpXwsRKdkodO8FmLXeAsxho= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760111106; c=relaxed/simple; bh=r3HuEq+oBviCrs6mM+vAaqJIZPCY7Ij03XP6FNrHBBk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=F8bej0qekVAZ6B59T4dHeR4OlaF8dG4NDuEG+Tm3aJ6CajOUkUNwWcVxEIfH0Oa9nFcanKvxX6I3xbsCCdfJ9UhetehAXADcSAKVDvsjnnbNEC8DlohtZXlqQmhjanPddO7bFVGh9T+oUqay+FVB/QWIQRjN8PKfCbNwnDcQGbo= 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=gjcAmF0V; arc=none smtp.client-ip=170.10.129.124 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="gjcAmF0V" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1760111103; 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=lA5CHRSnZ1rgFxjlHeMvJuEi1mBcTnDR9FDgvniUAeE=; b=gjcAmF0VSQUqZE+6AUCmI1RvbJP8MXPBnBDD+EnfkuivLps3OACaNAB8bcJ6CTKLS5E69V F8sHAI53CrxBQgGjCZ9Ml6CJ4eB4M/PWDs/WXbenf9iOIktOC0XeivtD0/O8AzjbCPl5WI p+3o9PQzLOHme3+/ZHeGaxghaWs6rXo= Received: from mx-prod-mc-08.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-205-1nR1k9OtNHyFHWxfDt3B_A-1; Fri, 10 Oct 2025 11:45:00 -0400 X-MC-Unique: 1nR1k9OtNHyFHWxfDt3B_A-1 X-Mimecast-MFC-AGG-ID: 1nR1k9OtNHyFHWxfDt3B_A_1760111095 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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 372811800343; Fri, 10 Oct 2025 15:44:55 +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 4C27A18004D8; Fri, 10 Oct 2025 15:44:40 +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: Sean Christopherson , 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 16/29] KVM: VMX: Mark __kvm_is_using_evmcs static key as __ro_after_init Date: Fri, 10 Oct 2025 17:38:26 +0200 Message-ID: <20251010153839.151763-17-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" The static key is only ever enabled in __init hv_init_evmcs() so mark it appropriately as __ro_after_init. Reported-by: Sean Christopherson Signed-off-by: Valentin Schneider Acked-by: Sean Christopherson --- arch/x86/kvm/vmx/vmx_onhyperv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx/vmx_onhyperv.c b/arch/x86/kvm/vmx/vmx_onhyper= v.c index b9a8b91166d02..ff3d80c9565bb 100644 --- a/arch/x86/kvm/vmx/vmx_onhyperv.c +++ b/arch/x86/kvm/vmx/vmx_onhyperv.c @@ -3,7 +3,7 @@ #include "capabilities.h" #include "vmx_onhyperv.h" =20 -DEFINE_STATIC_KEY_FALSE(__kvm_is_using_evmcs); +DEFINE_STATIC_KEY_FALSE_RO(__kvm_is_using_evmcs); =20 /* * KVM on Hyper-V always uses the latest known eVMCSv1 revision, the assum= ption --=20 2.51.0