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=1793311517; b=rdvg+vxT0MIqIBUeFQ6zvchSU1jTnMRS+Miw+nfRXUR2rkth3mrYkEeJPEpGBD9U1B/z XHEXmXH+ZZuutRdfYMSVizBgEmQl/0vpm3zkuxV3QHlXN+eNue0KhdZeAdGmvy10f+tFK XfJvyrHYDl817VOEIymCCpDmMSlqEyMhNQnjEx8wsaNfS/Dbl+S79X088aGG6J98tTaG6 37Q6p7z6TAGyAbD4rAYzzyhVF3UShNf/Eyr3IvBEC5dQTbDvOnZgoSm1QccDzWPuXIbui tK29754QD+o+YVS6QI334Ot6KEIVfB7qzU1O+sL8tAtV61V4KsqVIU3jPAIchsJCIxg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793311517; 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=BOIOVIeuoZTPYLCw9qgl59aa+oUmsxHGBfBI4tPDjNk=; b=J3dYdFVa43jx8gdzvabDdFWJdriDQoY0HxG3btUUg+KDelMu9JZDK6ZR3o8E9BeLii6G RQUxaQQKjGFBXQ74YeRHJWc6SEsgeGgCWkoahsUXVM2QdmHewzIS9CtbfrFuqDUTWHb9c UMNdmHKn5c3BD4MtYyH6l9o1BBNFwAWCJbR9G7bABNqAWqpZWb2yaqrAlPuIRuWJWLMd8 AXr6ogdwaC7FWIQOlPvwOchztdRqdCFBGFJnLsRfC+jalvUXfRlzX3OSgGNFOaOfx3RO9 A9U6Z2zDcUbMSpcNW3p7IkMdgTJeRWfhn5iEdMyd6nPWGTXNeqrX0nnw0DeQCOL/5Hw== 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=Q1HLeuNJ; 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 76975606A31A for ; Thu, 29 Oct 2026 22:05:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 76975606A31A 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=Q1HLeuNJ 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 BDA4815A1; Thu, 29 Oct 2026 15:05:12 -0700 (PDT) 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 CE5AD3F673; Thu, 29 Oct 2026 15:05:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1793311515; bh=Ijs585yEk7skk5Tt9uzpTzRD8zZrNST3f/danWDydDE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Q1HLeuNJ6kUbLgKJbyCy8NiFp2jr5MnpfDLave9KjaLtv7f17AEgdwnAF7e5lb6Ro tVVtAHTLlFvSsEdFncJ6eGP961Hg7yMz4IR1dHygDt/zYxGNOmAmFdq9mHa/82Rt1J eh9vd1QlT9ochELhnF9vdn4cxoch5nBM4dVrR9B0= Date: Thu, 29 Oct 2026 22:05:11 +0000 From: Catalin Marinas To: Fuad Tabba Cc: Marc Zyngier , Oliver Upton , kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Joey Gouly , Suzuki K Poulose , Zenghui Yu , Steffen Eiden , Will Deacon , Mark Rutland , Steven Price , Yang Shi , David Hildenbrand , Lorenzo Stoakes , Fuad Tabba , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 4/4] arm64: mte: Add mte_clear_folio_tags() Message-ID: References: <20261021110700.493315-1-fuad.tabba@linux.dev> <20261021110700.493315-5-fuad.tabba@linux.dev> X-Mailing-List: kvmarm@lists.linux.dev 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: <20261021110700.493315-5-fuad.tabba@linux.dev> On Wed, Oct 21, 2026 at 12:07:00PM +0100, Fuad Tabba wrote: > mte_sync_tags(), sanitise_mte_tags() and kvm_vm_ioctl_mte_copy_tags() > each open-code the loop that clears the tags of every page in a hugetlb > folio. Add mte_clear_folio_tags() and use it in all three. > kvm_vm_ioctl_mte_copy_tags() then tests for hugetlb first, as it does > where it sets the tagged flag below. > > No functional change intended. > > Suggested-by: Lorenzo Stoakes (ARM) > Signed-off-by: Fuad Tabba Reviewed-by: Catalin Marinas