From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 61C01246788 for ; Fri, 7 Aug 2026 02:33:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786069987; cv=none; b=LID5Fca3loVLzsMZmTZgklaI8ir+yRY0OD3znTD6bSDxrxZhJQwCQIhNCIhbsv6oB1/jHUqZWRsyB5ofUUQD+AjmYS1VAId9D0eFqbIUELCGZjKb3gXv6dmHrbqphtfOXfrgM7R9sNTlyrBuKYlFAtU7jJW174bUyasfOK+SrX0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786069987; c=relaxed/simple; bh=nIPDTxjn/1kodMshR1RB9qez/nOwD4zxCqadVKTuclU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JairIGllrMueNPqQKl/ZkIcEwVY+cnMk0iA4P8qDzX4hOLaYGRHg77jZgfWxXb5aKMCPVfwoQ7lKy5wo1qVMqaZqPevhjmWJpZXuHfs0zfsEFPCqQEb2DhCgM3TkQJBqsNPRqkMuzyRGse31zJZ1XYpBH9k2zud/hJ/OHFPsc4o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=qNB3ZsKD; arc=none smtp.client-ip=217.140.110.172 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) header.d=arm.com header.i=@arm.com header.b="qNB3ZsKD" 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 3E8491516; Thu, 6 Aug 2026 19:32:59 -0700 (PDT) Received: from localhost (a079125.arm.com [10.164.21.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5E1A63F86F; Thu, 6 Aug 2026 19:33:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1786069983; bh=nIPDTxjn/1kodMshR1RB9qez/nOwD4zxCqadVKTuclU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qNB3ZsKDiC6SNn5JmIewmGh/ymFQjqDK4rCffEeaCTqmy9hd2IQNERNiihCRWIj9f ToV9ROvD5FkHRK5WH2pC0TNWn9y0R5rWRfUQ5TV0yzO7deHkMPIQOoKo6o+kUGrDUz unrr0HdH2dF1Dzp3hSJolJ68SnV2jY7eMn12DwVA= Date: Fri, 7 Aug 2026 08:02:59 +0530 From: Linu Cherian To: Will Deacon Cc: Catalin Marinas , Ryan Roberts , Kevin Brodsky , Anshuman Khandual , Suzuki K Poulose , Mark Rutland , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Gavin Shan Subject: Re: [PATCH v4 5/6] arm64: cpufeature: Rename BBML2_NOABORT as BBML3 Message-ID: References: <20260723044034.2983651-1-linu.cherian@arm.com> <20260723044034.2983651-6-linu.cherian@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Aug 06, 2026 at 06:11:32PM +0100, Will Deacon wrote: > On Thu, Jul 23, 2026 at 10:10:32AM +0530, Linu Cherian wrote: > > - As bbml2_noabort is functionally equivalent to bbml3, > > rename cpu/system_supports_bbml2_noabort to > > cpu/system_supports_bbml3. > > The ARM64 capability name is also renamed accordingly. > > > > - As BBML2_NOABORT or the equivalent BBML3 is the > > kernel requirement for setting up linear map with > > block/contpte mappings and not BBML2, replace all > > bbml2 references with bbml3. > > > > FEAT_BBML3, is introduced as part of 2025 Architecture Extensions. > > https://developer.arm.com/documentation/109697/2026_03/2025-Architecture-Extensions > > > > No functional changes are introduced with this patch. > > > > Reviewed-by: Gavin Shan > > Reviewed-by: Anshuman Khandual > > Signed-off-by: Linu Cherian > > --- > > arch/arm64/include/asm/cpufeature.h | 6 ++-- > > arch/arm64/kernel/cpufeature.c | 30 +++++----------- > > arch/arm64/mm/contpte.c | 21 +++++------ > > arch/arm64/mm/mmu.c | 54 ++++++++++++++--------------- > > arch/arm64/mm/proc.S | 4 +-- > > arch/arm64/tools/cpucaps | 2 +- > > 6 files changed, 50 insertions(+), 67 deletions(-) > > This breaks the build because you haven't updated the caller in the SMMUv3 > SVA code. > > I'll push a fix on top... Yeah, i missed that. Thanks for pointing out and the fix. > > Will