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 25FE43B8105 for ; Wed, 15 Jul 2026 05:59:50 +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=1784095192; cv=none; b=JPMm8NSek1kHjwxqtg6YSAgsF9Gu9sGxdGfMOK15Wt6/SxcUWtSCpO6pnYkJ/Ksd3gzsqMwsMye+4kBPi/pp/BU96LgZgeb2XmAbAYzus1IxObU81vb5OQdOZVYGN3GVoGBJp2QMJx1qrRqvneM84PG8yk47gN857vsjaIsASZg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784095192; c=relaxed/simple; bh=7B48ioxwf7rwtoFa72XIWuS1RYDrC9VzoxrJpJGyidE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=t8RmijVqHWjzW4z/leDxMWzlGUipxd29FclP+pDamKCcpU1h5AobP37x7fLor6IvK5iqflDTWtEr8amNV0QzjobA0SZ216rRTqSyuwffXr4Fru+6kUqV82/iukHX7QAIamcPygj0CZSraW8PQsBY9iQka+Tfeg/tRdfVJlPz5xI= 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=OJ+gWSzT; 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="OJ+gWSzT" 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 3E784339; Tue, 14 Jul 2026 22:59:46 -0700 (PDT) Received: from [10.164.18.40] (unknown [10.164.18.40]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 110013F915; Tue, 14 Jul 2026 22:59:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1784095190; bh=7B48ioxwf7rwtoFa72XIWuS1RYDrC9VzoxrJpJGyidE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=OJ+gWSzTGrlNPpFq4ucPZzQ4055IwtDKGd2lgejTzJm5BFxA+mfzI19CuT98gzNPm s55GF/3W3E5QTnkxKNdxy3J2BR4Vv/KotlWPRrl7y8hmIJ9tPykF50ubaM4nOrEWk/ ojrr0g1c6icL6Z1PLnjhKGRPin/YWjihzBfGE2E0= Message-ID: <3f5b3b0c-7431-4438-b376-32171bb07370@arm.com> Date: Wed, 15 Jul 2026 11:29:45 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 4/6] arm64: sysreg: Add BBM_3 To: Linu Cherian , Catalin Marinas , Will Deacon , Ryan Roberts , Kevin Brodsky , Suzuki K Poulose , Mark Rutland Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260715053408.1950475-1-linu.cherian@arm.com> <20260715053408.1950475-5-linu.cherian@arm.com> Content-Language: en-US From: Anshuman Khandual In-Reply-To: <20260715053408.1950475-5-linu.cherian@arm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 15/07/26 11:04 AM, Linu Cherian wrote: > Add BBM_3 definition for ID_AA64MMFR2_EL1 register. > > Signed-off-by: Linu Cherian > --- > arch/arm64/tools/sysreg | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg > index 7cb61aca3797..e070ada06196 100644 > --- a/arch/arm64/tools/sysreg > +++ b/arch/arm64/tools/sysreg > @@ -2259,6 +2259,7 @@ UnsignedEnum 55:52 BBM > 0b0000 0 > 0b0001 1 > 0b0010 2 > + 0b0011 3 > EndEnum > UnsignedEnum 51:48 TTL > 0b0000 NI FEAT_BBML3 feature is detected via this ID_AA64MMFR2_EL1_BBM value. https://developer.arm.com/documentation/111107/2026-03/AArch64-Registers/ID-AA64MMFR2-EL1--AArch64-Memory-Model-Feature-Register-2 Reviewed-by: Anshuman Khandual