From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <kvm-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by smtp.lore.kernel.org (Postfix) with ESMTP id F24DFC4332F
	for <kvm@archiver.kernel.org>; Wed, 20 Apr 2022 17:25:07 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1381069AbiDTR1x (ORCPT <rfc822;kvm@archiver.kernel.org>);
        Wed, 20 Apr 2022 13:27:53 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43266 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1381094AbiDTR1q (ORCPT <rfc822;kvm@vger.kernel.org>);
        Wed, 20 Apr 2022 13:27:46 -0400
Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 076E1DE9D
        for <kvm@vger.kernel.org>; Wed, 20 Apr 2022 10:25:00 -0700 (PDT)
Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140])
        (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
        (No client certificate requested)
        by ams.source.kernel.org (Postfix) with ESMTPS id C4F99B82123
        for <kvm@vger.kernel.org>; Wed, 20 Apr 2022 17:24:58 +0000 (UTC)
Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6CDC5C385A1;
        Wed, 20 Apr 2022 17:24:55 +0000 (UTC)
Date:   Wed, 20 Apr 2022 18:24:51 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Marc Zyngier <maz@kernel.org>
Cc:     linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu,
        kvm@vger.kernel.org, Will Deacon <will@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        James Morse <james.morse@arm.com>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Alexandru Elisei <alexandru.elisei@arm.com>,
        Joey Gouly <joey.gouly@arm.com>, kernel-team@android.com
Subject: Re: [PATCH v2 01/10] arm64: Expand ESR_ELx_WFx_ISS_TI to match its
 ARMv8.7 definition
Message-ID: <YmBB45PcFjgI+sii@arm.com>
References: <20220419182755.601427-1-maz@kernel.org>
 <20220419182755.601427-2-maz@kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220419182755.601427-2-maz@kernel.org>
Precedence: bulk
List-ID: <kvm.vger.kernel.org>
X-Mailing-List: kvm@vger.kernel.org

On Tue, Apr 19, 2022 at 07:27:46PM +0100, Marc Zyngier wrote:
> Starting with FEAT_WFXT in ARMv8.7, the TI field in the ISS
> that is reported on a WFx trap is expanded by one bit to
> allow the description of WFET and WFIT.
> 
> Special care is taken to exclude the WFxT bit from the mask
> used to match WFI so that it also matches WFIT when trapped from
> EL0.
> 
> Reviewed-by: Joey Gouly <joey.gouly@arm.com>
> Signed-off-by: Marc Zyngier <maz@kernel.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>