From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A97EFCCA476 for ; Fri, 10 Oct 2025 15:45:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lA5CHRSnZ1rgFxjlHeMvJuEi1mBcTnDR9FDgvniUAeE=; b=GbfVgfr9F50uYGCNLLso3F60uU EZeXM68EMby3ztERs1WU/ficn7DzdO6bzG/EfOKxjFXQORiFYPFFbkq3Xs/eMMc8pYEDjnRS171Xn US6X7jgv/xvMlTawgIECKjE1SsYE/iICpoeA8Qkl1aVuRbp7Wvb5DGvBHm0oq0+oiN30oVT6N868Z dbLwP8ZZsvP811DMvI5BqpFlA+G2Ah0J9OW9/brUstRLO90kI8RxGMXQL95I2n5RFfqS1LCMd4HUF cebZcZOudYcyqM/Ru6/YQxpHBTfD8E5QAO5rYGEw/5RFtFwscmqq4STgSKZPGwq5Z/3YLConPeT5X ZGVl31Iw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v7FIr-00000008sY8-29ud; Fri, 10 Oct 2025 15:45:09 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v7FIq-00000008sW7-0bNv for linux-arm-kernel@bombadil.infradead.org; Fri, 10 Oct 2025 15:45:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=lA5CHRSnZ1rgFxjlHeMvJuEi1mBcTnDR9FDgvniUAeE=; b=NvI+VQgN95haCWZTCT6zY9L56J 0aVsU44HTbfA3jD9lv6TgZoxfS8X8coTf06rQ10lFOTeYBqcQqws11NKfzqOsNPQmsYbqddHKSNHA KypgtGJoCtrwXWSVwi+TJ6PGog+5X25hA+VlJ7ZsL7SmMly+P4z1LZPj1mBgxWUpiJymy4zQScnfp i1Z7i6D/h6HEPU9mAYklgfnMpVVgBtrO5SeiUndZGOaVfCsHqeqR0om+aSFb3/JT133pWtXaCvkot l+jIfMBdUXvxVZeqEbZwgvkV7LmlwbrW3e5zFGzuctJ7lQZxlNPc3BCLLR3x1SrVZ+ql2pnm/cIuZ E+BJevrQ==; Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by desiato.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v7FIm-00000002F3l-1BGJ for linux-arm-kernel@lists.infradead.org; Fri, 10 Oct 2025 15:45:06 +0000 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= 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251010_164504_507667_60D33BA7 X-CRM114-Status: GOOD ( 14.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- 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_onhyperv.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" -DEFINE_STATIC_KEY_FALSE(__kvm_is_using_evmcs); +DEFINE_STATIC_KEY_FALSE_RO(__kvm_is_using_evmcs); /* * KVM on Hyper-V always uses the latest known eVMCSv1 revision, the assumption -- 2.51.0