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 5678DC9EC8D for ; Mon, 12 Jan 2026 14:55:50 +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:MIME-Version:References:In-Reply-To:Message-ID:Subject:CC:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=wfnIzNSfkHDE44pyh3cGL1QPG+efZ7Gv5MuAyZB8E5M=; b=gKn+wGKPVvhB9Mm/nq4ih2wt0A kWgaqzp6DtBNebgmjXowMz4E1JA7c1nD2TjRoCISIDqtc0vX0ry+DhyxHyTl29ysh1jLNGlTDzCf7 0weuex+1YkCrUXh4aYV0B4tGKleKMUpllsOzx/WBJCJwEsgzg1xG2YcqiugTcUEOC0vgiGxX/2O0w UT6AHqcej0UyZycVgTqIgaa8xIkDal90w7y2Fy4ic5UVZoEGunvKnv6hdv4vUqCOW70tvAgbBbSlQ JwySD7j7h0bOKPtmpGCjM+t9kJu9fpaGFqoEwO3lDmBLSebwdH25EznWtQb9Cr8M3QLgSnB38Cbqw jw9OxUdw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vfJKZ-00000005a4n-0mNN; Mon, 12 Jan 2026 14:55:43 +0000 Received: from sinmsgout01.his.huawei.com ([119.8.177.36]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vfJKV-00000005a36-42SE for linux-arm-kernel@lists.infradead.org; Mon, 12 Jan 2026 14:55:41 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=wfnIzNSfkHDE44pyh3cGL1QPG+efZ7Gv5MuAyZB8E5M=; b=ImExJt/s6LNoNcA/vrSpxVVyUzmxGT3dJH5TmRqHgbYOrTZB7cPTesjGCDlW0IBmvoESs1EN7 X21VS1YdH3O/wahIa0SPY3Q9sExaE/tBZ+PiHUjw7ayc+nMMnwDq0l2fzFfD90KuuWad6fUAkcR idV2Q8kAkJwL9gv3B7kuQrw= Received: from frasgout.his.huawei.com (unknown [172.18.146.32]) by sinmsgout01.his.huawei.com (SkyGuard) with ESMTPS id 4dqb322LRnz1P7Js; Mon, 12 Jan 2026 22:53:02 +0800 (CST) Received: from mail.maildlp.com (unknown [172.18.224.107]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4dqb5V2HJgzHnGh7; Mon, 12 Jan 2026 22:55:10 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id 7B67640585; Mon, 12 Jan 2026 22:55:26 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml100005.china.huawei.com (7.214.146.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Mon, 12 Jan 2026 14:55:25 +0000 Date: Mon, 12 Jan 2026 14:55:24 +0000 From: Jonathan Cameron To: Sascha Bischoff CC: "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.linux.dev" , "kvm@vger.kernel.org" , nd , "maz@kernel.org" , "oliver.upton@linux.dev" , Joey Gouly , Suzuki Poulose , "yuzenghui@huawei.com" , "peter.maydell@linaro.org" , "lpieralisi@kernel.org" , Timothy Hayes Subject: Re: [PATCH v3 12/36] KVM: arm64: gic-v5: Support GICv5 FGTs & FGUs Message-ID: <20260112145524.0000164c@huawei.com> In-Reply-To: <20260109170400.1585048-13-sascha.bischoff@arm.com> References: <20260109170400.1585048-1-sascha.bischoff@arm.com> <20260109170400.1585048-13-sascha.bischoff@arm.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml500011.china.huawei.com (7.191.174.215) To dubpeml100005.china.huawei.com (7.214.146.113) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260112_065540_277133_938C7F9A X-CRM114-Status: UNSURE ( 8.69 ) 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 Fri, 9 Jan 2026 17:04:42 +0000 Sascha Bischoff wrote: > Extend the existing FGT/FGU infrastructure to include the GICv5 trap > registers (ICH_HFGRTR_EL2, ICH_HFGWTR_EL2, ICH_HFGITR_EL2). This > involves mapping the trap registers and their bits to the > corresponding feature that introduces them (FEAT_GCIE for all, in this > case), and mapping each trap bit to the system register/instruction > controlled by it. > > As of this change, none of the GICv5 instructions or register accesses > are being trapped. > > Signed-off-by: Sascha Bischoff Reviewed-by: Jonathan Cameron