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 8D6F4CA5FFD for ; Tue, 6 Oct 2026 03:12:19 +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: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kHj1RXYmclP68lBct4KNIr5BPd6z8PeEquooINbDID8=; b=UgyL7jkOTQDW8z7sXS2SQEJWoK PLusZT9EsDUNGh0HSMwnDsVyzFpuGx8AH+H/roL1JCy68k65ETiquRbreuMWbZtqmNu4CuGxROjup Z8d7Pl0HwGqE3uGuUHqPZz7DyFgiPMWEZTluCQ+oVcAnbD5xTivUwl0Va+gofR8tsdvDtW54S2++j RrbQJj06P39Abfw3gJCN5Am7466YW1LHHyY2L1wCcmvVfnxFnxYOW8dU+AnVhE8GUJssMNyyZX54P JK1QGMjWPdzrirYjJpr1KaeqRmTJ19oSgLHxKqLQrMxHNsdKXA+tq0Ej73ycvr9flq1TcVlP6jGI+ pgoAn18A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xDvbB-0000000HY9S-2DNG; Tue, 06 Oct 2026 03:12:13 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xDvb8-0000000HY8x-481d for linux-arm-kernel@lists.infradead.org; Tue, 06 Oct 2026 03:12:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1791256330; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kHj1RXYmclP68lBct4KNIr5BPd6z8PeEquooINbDID8=; b=L102RUeGzVNINNC5Gsrw4AWaBjhFHve2mcymjKz1tROfX/rf0DzoFOKoWT7Kanb9lvK0Vy KEJrU5/3X03v2P+//9cQn1GcQEVtwqiFNndWPK2rUd15DU39CCKyhGvHmlKX/u5YncKDyY 5O81NeOjJgaO23Eq29dzn+dKNrrhSSs= Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-663-mER8q74kOGuCOnqLYd5N_Q-1; Mon, 05 Oct 2026 23:12:08 -0400 X-MC-Unique: mER8q74kOGuCOnqLYd5N_Q-1 X-Mimecast-MFC-AGG-ID: mER8q74kOGuCOnqLYd5N_Q_1791256327 Received: by mail-pj1-f71.google.com with SMTP id 98e67ed59e1d1-3a7fa5e0442so2361369a91.0 for ; Mon, 05 Oct 2026 20:12:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791256327; x=1791861127; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=kHj1RXYmclP68lBct4KNIr5BPd6z8PeEquooINbDID8=; b=h9o0ZVk8Fmx7PXM+kvZqPy2feCdCgyIJlq0NsMLHbHH4m+wVAVuGQik1SUxML+uaU7 vpEUBTK4Vn8WKbOxbAcQcrcihpW1zW7chP7jcEDu6blhfhqodBja/kqF6O72xtD+lEo2 He83HeZducP6a98OE4a7zUacSeQ5llNO+6o4zoV+IGNuMMTsPdZwIERncjmPItCoMGaM YFK9z1h85LS/S+Uk5UlqiTptTNcY53rFmSUkmk0XviZY4FasMFQyRo1ksP/4/9OmDne1 JDVYgxeCoMhxmfEembl5c0Zp0gQhvyEnaASkHsvpGIntHTxK27EZLORfClQnT3QNSVmy Ux+g== X-Forwarded-Encrypted: i=1; AKwUvBzoLw0mNIka9+9Y3vbbKlUp/mK4cFTBAj+30iu7FwvA1kgs7iGClwWqg1taWlR1TKAxG1GJ34t+kSQaQFmKyUOg@lists.infradead.org X-Gm-Message-State: AFq9FYJBDC9c1ll5kd4JjsWOeTF6ua3H2w0wxklPeXcP4sEa4SqJMQKt KWo0QT5AAbE65OZxmmleypeKf3XpIjRdeebk55KOhiPdNR6AFksKS1tGKFsA50xFTNDwbQqi8Cv QTuSjlZiuhGdp1dxVZ3wIv+KZerh99cG27navvAxAwvyHj5/5PnQVBN2VWfsfXo+DuqKW4Nxgw2 fH X-Gm-Gg: AYBFou0fXPDCgbgl6gkV96RdpK3vNstwQG7XD0HS+sVeKRC+Qlri34HL2FzvJpZwcvR u/2cVH2ieuGzPPu7p2I7w/gJFcC12+eFanwxnUP1IODUmDroB4T72gsTmT5e2DEN/kA+TFykgN5 t6bdFLDRLLKzKC9AX85RmrFyWOKBdZp3M6MeAVVdsCrN96xJr0+hE9PHW/OWivEqGDGXhcycern Vqzf3UKLPwSBXubdo4dO3k3N+FUVrY2vzCVNaXSyQDBX2a9vv6tH54B1jQXDsCRKRAkpd+0pBEc XOPHCuD7k8fGd3XRx1MG3c80nsWhSOFn4fJ2Vvo/8mMMvzz3cXhoVZsqF1n19oiBo7ApaGBfu8I 3uCFQz517zdvLqolSlKwfuezIGS9aBhQkTHYRPsEXKw== X-Received: by 2002:a17:90b:2e0b:b0:3a7:8c68:6446 with SMTP id 98e67ed59e1d1-3a8737a34cdmr26438a91.63.1791256327294; Mon, 05 Oct 2026 20:12:07 -0700 (PDT) X-Received: by 2002:a17:90b:2e0b:b0:3a7:8c68:6446 with SMTP id 98e67ed59e1d1-3a8737a34cdmr26405a91.63.1791256326616; Mon, 05 Oct 2026 20:12:06 -0700 (PDT) Received: from [192.168.68.52] (n175-34-8-244.mrk21.qld.optusnet.com.au. [175.34.8.244]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2e5a5ee97f3sm15210795ad.66.2026.10.05.20.11.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Oct 2026 20:12:06 -0700 (PDT) Message-ID: <6d290cbf-5dee-40ff-9ca9-af544fdee791@redhat.com> Date: Tue, 6 Oct 2026 13:11:56 +1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v22 15/23] KVM: arm64: CCA: Add a new mode for supporting Realm guests To: Suzuki K Poulose , kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: maz@kernel.org, will@kernel.org, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, steven.price@arm.com, aneesh.kumar@kernel.org, oupton@kernel.org, joey.gouly@arm.com, tabba@google.com, yuzenghui@huawei.com, linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com, sdonthineni@nvidia.com, alpergun@google.com, fj0570is@fujitsu.com, WeiLin.Chang@arm.com, lpieralisi@kernel.org, enju.kohei@fujitsu.com, sudeep.holla@arm.com, jonathan.cameron@oss.qualcomm.com References: <20261005090754.2140522-1-suzuki.poulose@arm.com> <20261005090754.2140522-16-suzuki.poulose@arm.com> From: Gavin Shan In-Reply-To: <20261005090754.2140522-16-suzuki.poulose@arm.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: kNFrfG9IaG1ScKcMo7h-XuxsgSgCnRBYa-jDUSHPIws_1791256327 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261005_201211_121087_90803781 X-CRM114-Status: UNSURE ( 9.17 ) X-CRM114-Notice: Please train this message. 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 On 10/5/26 7:07 PM, Suzuki K Poulose wrote: > Add an explicit mode to support Arm CCA guests. > > Reviewed-by: Jonathan Cameron > Signed-off-by: Suzuki K Poulose > --- > Documentation/admin-guide/kernel-parameters.txt | 3 +++ > arch/arm64/include/asm/kvm_host.h | 1 + > arch/arm64/kvm/arm.c | 5 +++++ > 3 files changed, 9 insertions(+) > Reviewed-by: Gavin Shan