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 mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39486C433F5 for ; Mon, 14 Feb 2022 07:00:45 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id DF46C408A7; Mon, 14 Feb 2022 02:00:44 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RXsfQTzO0HaK; Mon, 14 Feb 2022 02:00:43 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 609F240B91; Mon, 14 Feb 2022 02:00:43 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 3273640AEA for ; Mon, 14 Feb 2022 02:00:42 -0500 (EST) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id w1iSZ0LtJ8kt for ; Mon, 14 Feb 2022 02:00:41 -0500 (EST) Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 21FAE408A7 for ; Mon, 14 Feb 2022 02:00:41 -0500 (EST) Received: by mail-pj1-f73.google.com with SMTP id a15-20020a17090ad80f00b001b8a1e1da50so11512856pjv.6 for ; Sun, 13 Feb 2022 23:00:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=zPnMHKVlqcgDQB6kXKJ7+KuQAdNLH0y013yuxCMh/uc=; b=jAMpDPE2rwLv0xUEZh0rf99E5rltD6fSrYSdLKH9MDqodxvRCPt1zuOb6B9b1nSoMA LOc7lWlmOcHkEb3/SBDlw6Q7xWUkfRgOZ1/NqJWEvzc5aDDmO8WA4sfAwP6macnQqeyH r6q9dAjHDQScFr8QtjWa/2fYmOShpUA+EwsRzEeG57GB3ibYFUFWOAF6mvoXUDAVkyA5 qdH+/5VtcQPN2f26W69X4y+bwUZEa/LdHQgNuUtcEPiB3ZcsOsInUXYrSf0CqniMr8OB g3UniLutFzrP920Ugjw95OH7nvWvChiNn1a4eZS9a7keu0rnuQTJxjcx3A2k/2SX70Ay xBiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=zPnMHKVlqcgDQB6kXKJ7+KuQAdNLH0y013yuxCMh/uc=; b=GTYMVTqBg3rz/IbkeUlo+DIt+yspj0wjsBw2RvSgRQiJBqAFlNUsP/nhv8iHqWgjec O1+obolMDM2j/B8E7Oha+U4NanUjVQ5PxaipekUXr7/GHjm0BqlsEInAclVv+feou/AQ 5Ny7VuoeMo+gF3/f99LmRibfPeLd8RJ22k4yXyzdkGwee4Vmfmf5eIrE2x+KZ9tVAPFG eDomuXRROI46+T181KWYw4pVBuZmt7x1qqyU/ocepj6J2AZt8Q6WAGvGgSFBEHDgYcOZ JcMm59ITJeU28ntQCgBfyG6tJpTv8N+7WegXv+Bch2mWyeJwVq0m8TxIN1QX2gbxOyHS 7khA== X-Gm-Message-State: AOAM5319w15usvHNWO2N6TwlCF0nwePHBVulMBR1275aiLNwAKmXdyQD FjTd+dlBR2tPDOKTJ9KwzXiXznDcTl8= X-Google-Smtp-Source: ABdhPJyJ0YhcLpxpXD9Q6qbj2a2Z8CEceYHauRoXxBka/sS6SnTbMSEqpjKMgS7gdS6Ry14yGjGjZ3cqwj8= X-Received: from reiji-vws-sp.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:3d59]) (user=reijiw job=sendgmr) by 2002:a17:903:11d0:: with SMTP id q16mr12831689plh.134.1644822040248; Sun, 13 Feb 2022 23:00:40 -0800 (PST) Date: Sun, 13 Feb 2022 22:57:33 -0800 In-Reply-To: <20220214065746.1230608-1-reijiw@google.com> Message-Id: <20220214065746.1230608-15-reijiw@google.com> Mime-Version: 1.0 References: <20220214065746.1230608-1-reijiw@google.com> X-Mailer: git-send-email 2.35.1.265.g69c8d7142f-goog Subject: [PATCH v5 14/27] KVM: arm64: Make ID registers without id_reg_info writable From: Reiji Watanabe To: Marc Zyngier , kvmarm@lists.cs.columbia.edu Cc: kvm@vger.kernel.org, Will Deacon , Peter Shier , Paolo Bonzini , linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Make ID registers that don't have id_reg_info writable. Signed-off-by: Reiji Watanabe --- arch/arm64/kvm/sys_regs.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index fea7b49018b2..9d7041a10b41 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1909,11 +1909,8 @@ static int __set_id_reg(struct kvm_vcpu *vcpu, /* The value is same as the current value. Nothing to do. */ return 0; - /* - * Don't allow to modify the register's value if the register is raz, - * or the reg doesn't have the id_reg_info. - */ - if (raz || !GET_ID_REG_INFO(encoding)) + /* Don't allow to modify the register's value if the register is raz. */ + if (raz) return -EINVAL; /* -- 2.35.1.265.g69c8d7142f-goog _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm