From nobody Tue Apr 7 07:08:23 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D14FE27F195 for ; Wed, 25 Feb 2026 08:15:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772007307; cv=none; b=VEDGQEI2MEByzV74bVld4XiZeb0ZcIQufMXBHuY6cddamnOd5mOaZ3b2Aj7r11FrJFFMNjnikTnavUi/J/sJAG1Dup4Pq6Sld/MvUbV9CIepaVZT/Wyowq+wN3cV4xLgeEdENC7RUI1HFxNoenaRmOVvw12SvaVBcS+q9CDlWpk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772007307; c=relaxed/simple; bh=3kGwy73oeGDx7dkWLCsnWcF8iqf/A7SBM4HvUGnPcCM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=pTx4QrbzZYgAWZGcnGvlqeeJeOWxbrcJPkGMlREjIM3LNEfTUeD42DVhxcbm6TJnOY15SVywZiOgmznhBY//fyuheNlkQuHW4OKH6En14Y/+3upR7UHILZN/O22NoVsh006mvbfTMnONEdlNwl2bhHzWxM8gngCylLOALFZGijU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=gChPkYou; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="gChPkYou" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772007305; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=m4icHQGTRNbNNPTctslHsQ21pBhC6HpCZWDHuC81RQQ=; b=gChPkYouGfDHV+XebMlbXtMgisfdUvrkIp01dNimnEsH7g5EbY6Ocgy2YCfu7TwLVi7B9j S/CY10ZjM4huI3AS+E8OPepAO2av32o/+yPwo5xrC+sjhkG8ysyPqasX/k2IWPeT7ak5WI Ok4NOmScxWWv4e2ObCudOn/7k+1Hrh8= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-647-dIDhZlzRPtCltfWDvHZypQ-1; Wed, 25 Feb 2026 03:15:00 -0500 X-MC-Unique: dIDhZlzRPtCltfWDvHZypQ-1 X-Mimecast-MFC-AGG-ID: dIDhZlzRPtCltfWDvHZypQ_1772007298 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A1EFF180025C; Wed, 25 Feb 2026 08:14:57 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.112.55]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6EC9E1800465; Wed, 25 Feb 2026 08:14:49 +0000 (UTC) From: Baoquan He To: kasan-dev@googlegroups.com Cc: linux-mm@kvack.org, andreyknvl@gmail.com, ryabinin.a.a@gmail.com, glider@google.com, dvyukov@google.com, linux-kernel@vger.kernel.org, linux-um@lists.infradead.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, x86@kernel.org, chris@zankel.net, jcmvbkbc@gmail.com, linux-s390@vger.kernel.org, hca@linux.ibm.com, Baoquan He Subject: [PATCH v5 02/15] mm/kasan: rename 'kasan_arg' to 'kasan_arg_disabled' Date: Wed, 25 Feb 2026 16:13:59 +0800 Message-ID: <20260225081412.76502-3-bhe@redhat.com> In-Reply-To: <20260225081412.76502-1-bhe@redhat.com> References: <20260225081412.76502-1-bhe@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Content-Type: text/plain; charset="utf-8" And change it to be a bool variable. This is prepared for later usage. Signed-off-by: Baoquan He --- mm/kasan/hw_tags.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c index cbef5e450954..26a69f0d822c 100644 --- a/mm/kasan/hw_tags.c +++ b/mm/kasan/hw_tags.c @@ -22,12 +22,6 @@ =20 #include "kasan.h" =20 -enum kasan_arg { - KASAN_ARG_DEFAULT, - KASAN_ARG_OFF, - KASAN_ARG_ON, -}; - enum kasan_arg_mode { KASAN_ARG_MODE_DEFAULT, KASAN_ARG_MODE_SYNC, @@ -41,7 +35,7 @@ enum kasan_arg_vmalloc { KASAN_ARG_VMALLOC_ON, }; =20 -static enum kasan_arg kasan_arg __ro_after_init; +bool kasan_arg_disabled __ro_after_init; static enum kasan_arg_mode kasan_arg_mode __ro_after_init; static enum kasan_arg_vmalloc kasan_arg_vmalloc __initdata; =20 @@ -88,9 +82,9 @@ static int __init early_kasan_flag(char *arg) return -EINVAL; =20 if (!strcmp(arg, "off")) - kasan_arg =3D KASAN_ARG_OFF; + kasan_arg_disabled =3D true; else if (!strcmp(arg, "on")) - kasan_arg =3D KASAN_ARG_ON; + kasan_arg_disabled =3D false; else return -EINVAL; =20 @@ -222,7 +216,7 @@ void kasan_init_hw_tags_cpu(void) * When this function is called, kasan_flag_enabled is not yet * set by kasan_init_hw_tags(). Thus, check kasan_arg instead. */ - if (kasan_arg =3D=3D KASAN_ARG_OFF) + if (kasan_arg_disabled) return; =20 /* @@ -240,7 +234,7 @@ void __init kasan_init_hw_tags(void) return; =20 /* If KASAN is disabled via command line, don't initialize it. */ - if (kasan_arg =3D=3D KASAN_ARG_OFF) + if (kasan_arg_disabled) return; =20 switch (kasan_arg_mode) { --=20 2.52.0