From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793809789; b=ejQO5DK8H30JyEr5vP8XtpcANc/JgsZE8V0hyUqV+ct6mTh07yVIJMTx1I3wzjDOwog2 B2E/I4AMvHbhZ5jML+sBfSuRDJF8+m+6EKXck8iY4A7LnOWLzLq1WiP/7uNuCNTTYxNYl V9ggqFJKELW90sG6oD7qs0yv23Go+JNakCDIBOqrij6Z96k4h2AM5IHgrLyAlnQPlVQBa u3lySXf/L14b5dWsSjsYVe+mRnt6ds0Vg0OUFZFaWoFDAGyAfkOPh0XgWDOEFD9sLOiwj qS7A7bBSEDgL4jeCcft8tOaMiWCXcT32LUu0yg1HAqMcasPwAT4N/sKxG3+LIciixfw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793809789; h=DMARC-Filter:Received:Received:DKIM-Signature:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=A+c88oY+OM1KTWwYSavDme1bSrIZkOp07+hlEpWVcCw=; b=ucH7zRP/4pFrEaGDbok8ThWOJAumAqrmCaQ2DMSgjwF8kCga85GdTasM4kmSJ9voHnBV j2VEXVViZcDE6T0rL16tgVGGhdBNimNJmjbaKb1PrS6Ra+sSrpM1BxUlg5rWghX8/+GMa f62Xsf4kq/ssUkEiRCD4ZuIQ9ppRIEhEsYNrnHx27CUeaVald6tlGVSL22PpMTn9WhRr6 RJO2Ew4zF5odHn9X8ZzlmmO5ahlLWqEjgLfivRKMg7rREXjt0tBXNMlo40hAO7Unm06C2 PCgzVIChgM4/AJPIbXJAngPp0yxcogWU+dt9AH799Ws1BQCe6Q/MGlPrhbqvBIILxXw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b="qmN/XCMN"; arc=none smtp.remote-ip=217.140.110.172 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 742EA606A31B for ; Wed, 4 Nov 2026 16:29:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 742EA606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=qmN/XCMN Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id CA628169C; Wed, 4 Nov 2026 08:29:44 -0800 (PST) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 378FE3F632; Wed, 4 Nov 2026 08:29:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1793809787; bh=yfV7Pr/7oJjyugoqKWkyvS9QCQp5fdkcK+WpMwo/qac=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qmN/XCMN+bMq7vL3IroW/zO5c9utj8tVY7h4PeGCnZGzZx6QJb+MVfxfmxpGIFkWs MPGF/7odw2F/vJpAguk557fWflsz7TXTzAaTdWmwif+k4Ga1M/3BXeRPSyJhdDYVVy 1rCDBkJOH7eR30KB5XIpAumuo7e8R8w3RhGUWzuw= Date: Wed, 4 Nov 2026 16:29:42 +0000 From: Catalin Marinas To: michael.reeves077@gmail.com Cc: Marc Zyngier , Oliver Upton , Will Deacon , Mark Rutland , Myria Sarvay , Yureka Lilian , Fuad Tabba , Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, Sven Peter , Janne Grunau , Neal Gompa , asahi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] arm64: Apply existing Apple Silicon CPU workarounds to newer CPUs Message-ID: References: <20261021-apple-m3-m4-kvm-v2-0-04905152cc2a@gmail.com> <20261021-apple-m3-m4-kvm-v2-2-04905152cc2a@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261021-apple-m3-m4-kvm-v2-2-04905152cc2a@gmail.com> On Wed, Oct 21, 2026 at 10:53:21AM +1100, Michael Reeves via B4 Relay wrote: > From: Michael Reeves > > Add M3, M3 Pro, M3 Max, base M4, A18 Pro and M5 Pro to apple_cpus > so they receive the existing PMU trap and broken SEIS workarounds. > > Add these CPUs to has_vgic_v3 so KVM detects TDIR support and can > trap guest DIR accesses without trapping all common registers. > > Co-developed-by: Yureka Lilian > Signed-off-by: Yureka Lilian > Tested-by: Yureka Lilian > Tested-by: Myria Sarvay > Signed-off-by: Michael Reeves Acked-by: Catalin Marinas