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 9CF64C83F09 for ; Tue, 8 Jul 2025 22:27:32 +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:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0gHIIODrhhdGVls2rVmx9Uyz58la+lWfKW4V8WRh8gI=; b=v9tnIX8OyZUP4NIFIoFDneuxAj KF6FA3NZ3AHR/5JSSJwe4aIziIYzdESubjPnugWrh4MYpUN4M0egFeMKjKIK4puMdk/vh6wp80YC2 bBOZUPb85x+xdjJ0TaTiqdMaxQpYNqWpKLrxAsGxJne3pM+8hR6kMy62Nw68yI8HWYCLwYQO/T+RJ fhXUITHiFzqkuZzIDw+Rm/LI/6CEmbt+InGzeLQxTBZOk7FTdgyexbo5Hr51i0z+fc9vqjQ5PzeZK 7oWGsSt4j9Ul2gXH5ILt52XKrmj5AMTp/sQzP+Q70c7a7/elF1Zo7aS6VX1Aq4iKOupMOoqV24aC9 dMgphK4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uZGmY-00000006njI-0AY7; Tue, 08 Jul 2025 22:27:22 +0000 Received: from out-188.mta0.migadu.com ([2001:41d0:1004:224b::bc]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uZGkA-00000006nEL-2iFe for linux-arm-kernel@lists.infradead.org; Tue, 08 Jul 2025 22:24:56 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1752013489; 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=0gHIIODrhhdGVls2rVmx9Uyz58la+lWfKW4V8WRh8gI=; b=ObErs2xwKsqnb0SvubU2oaDqfFoLy9/r7regRmN+aeuOP0dEicWqzO8kBD+NoJw/5Pax+t GSuifAGT1pEeHmnDpPUnYR76R8ZHopXgM/d2EST9N+JVHjP91gAXpLer/RgeRV+HVO7K5P UMP10J9uQjXq/GbJH3MUl2Ewn4DUrvc= From: Oliver Upton To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Sascha Bischoff Cc: Oliver Upton , nd , maz@kernel.org, Joey Gouly , Suzuki Poulose , yuzenghui@huawei.com, will@kernel.org, tglx@linutronix.de, lpieralisi@kernel.org, Timothy Hayes Subject: Re: [PATCH v2 0/5] KVM: arm64: Enable GICv3 guests on GICv5 hosts using FEAT_GCIE_LEGACY Date: Tue, 8 Jul 2025 15:24:38 -0700 Message-Id: <175201339872.1946470.9170349330766710670.b4-ty@linux.dev> In-Reply-To: <20250627100847.1022515-1-sascha.bischoff@arm.com> References: <20250627100847.1022515-1-sascha.bischoff@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250708_152455_439113_2C71630C X-CRM114-Status: GOOD ( 10.56 ) 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, 27 Jun 2025 10:09:01 +0000, Sascha Bischoff wrote: > This series introduces support for running GICv3 guests on GICv5 hosts > by leveraging the GICv5 legacy compatibility feature > (FEAT_GCIE_LEGACY). The main motivation is to enable existing GICv3 > VMs on GICv5 system without VM or VMM modifications - things should > work out of the box. > > The changes are focused on two main areas: > > [...] I've picked this up now that the GICv5 driver is baking in -next. No promises that these patches actually land in 6.17 (if the host side doesn't land) but I'm quite happy with the KVM bits. Applied to next, thanks! [1/5] irqchip/gic-v5: Skip deactivate for forwarded PPI interrupts https://git.kernel.org/kvmarm/kvmarm/c/244e9a89ca76 [2/5] irqchip/gic-v5: Populate struct gic_kvm_info https://git.kernel.org/kvmarm/kvmarm/c/1ec38ce3d024 [3/5] arm64/sysreg: Add ICH_VCTLR_EL2 https://git.kernel.org/kvmarm/kvmarm/c/b62f4b5dec91 [4/5] KVM: arm64: gic-v5: Support GICv3 compat https://git.kernel.org/kvmarm/kvmarm/c/c017e49ed138 [5/5] KVM: arm64: gic-v5: Probe for GICv5 https://git.kernel.org/kvmarm/kvmarm/c/ff2aa6495d4b -- Best, Oliver