From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B3379C43458 for ; Thu, 9 Jul 2026 12:59:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date :Subject:To:From:Reply-To:Content-Type:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=XnYb5yQh4YrVkPPKmGo89y52fD6x5pIfdugujqZykdA=; b=pT9BGxtglIZBfT EMNzGbkl9jSM1Odv2PCLs0V9WHY0JihgAzjkmK+TTxTpvfMbhoELgSpDjalF4vNQaF/8kh97t1IzM 8Uo1uJxgnUZJS+3didF1Ms5ingHnNoNoYgdWsATdPZrZ+5CEDoOrtNtEI0fAlL6VUUb54V932DfMe Yy6uWqRj8jqSjFQKl4nExS1AsrX70Bktn+KPyih9usr4YrR/g2mopIWY78DaHYfrac/wAjs74Tf5F Ut/BRZ/RSXdW03/b+AphTmssZ/D1FJIaYkVQOk7RLqGTrHaIvOvCRwRIclDRTtD7l1MbQwHtwHiIY GK0vHdD8p61bvALZWsFg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1whneR-00000002LUo-1jdy; Thu, 09 Jul 2026 12:14:47 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1whneE-00000002L6S-1Awo for linux-arm-kernel@lists.infradead.org; Thu, 09 Jul 2026 12:14:35 +0000 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 18B041476; Thu, 9 Jul 2026 05:14:29 -0700 (PDT) Received: from login2.euhpc2.arm.com (login2.euhpc2.arm.com [10.58.100.22]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 203A83F66F; Thu, 9 Jul 2026 05:14:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1783599273; bh=AWgYMmX9nOG6DEWzjbVLL9XqYD+rFlZHUfJvM/c72Og=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MPTmpmEzzq78TJCbie7dK1R29jaIc5i6KTs6gU+lbd0ZSzpgSnktZsT+6OkErpFyN Oo/pZ3ygaEaqhNMSIROFH791ATDIYPBwIDO0YegtSwJ6rGFZ5aoGbMwTi6poOHRvH/ AwGNn6cJvqDnylXQXsBeyNn6yDU5JUrp1AS/QiKs= From: Vladimir Murzin To: linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH 27/36] arm64: idreg: Add an override for FEAT_NMI Date: Thu, 9 Jul 2026 13:13:24 +0100 Message-Id: <20260709121333.23507-28-vladimir.murzin@arm.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20260709121333.23507-1-vladimir.murzin@arm.com> References: <20260709121333.23507-1-vladimir.murzin@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260709_051434_378187_4874BD4F X-CRM114-Status: UNSURE ( 8.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, maz@kernel.org, ruanjinjie@huawei.com, Mark Brown , catalin.marinas@arm.com, will@kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Mark Brown Add a named override for FEAT_NMI, allowing it to be explicitly disabled in case of problems. Signed-off-by: Mark Brown Signed-off-by: Ada Couprie Diaz Signed-off-by: Vladimir Murzin --- arch/arm64/kernel/pi/idreg-override.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kernel/pi/idreg-override.c b/arch/arm64/kernel/pi/idreg-override.c index bc57b290e5e7..e5ea280452c3 100644 --- a/arch/arm64/kernel/pi/idreg-override.c +++ b/arch/arm64/kernel/pi/idreg-override.c @@ -154,6 +154,7 @@ static const struct ftr_set_desc pfr1 __prel64_initconst = { FIELD("bt", ID_AA64PFR1_EL1_BT_SHIFT, NULL ), FIELD("gcs", ID_AA64PFR1_EL1_GCS_SHIFT, NULL), FIELD("mte", ID_AA64PFR1_EL1_MTE_SHIFT, NULL), + FIELD("nmi", ID_AA64PFR1_EL1_NMI_SHIFT, NULL), FIELD("sme", ID_AA64PFR1_EL1_SME_SHIFT, pfr1_sme_filter), FIELD("mpam_frac", ID_AA64PFR1_EL1_MPAM_frac_SHIFT, NULL), {} -- 2.34.1