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 00EACCA0EC0 for ; Tue, 5 Aug 2025 06:26:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kJO5yIBXXOgt25+uyQhOeCpPCqEaTDSwq6fQ38qy9Bc=; b=4AiITtktvtKHR9E1vaSAjZ3+// h3zYQUo3oRKJG7b1sN0A/X9tXs0Bx8P2ACmP4rN7oUOuge0iXAKZ9q4EctcmXIN191r9aOcSjcIkX fpHTV9+vOMmvsUihOi6InTgkbxFFap1uw9GAZW4gz4/ZLYQyJ1ltPiKPPjBqopyuXNLJf5qflW3em K0VfcR9Zgil7eQ3mF9yElox+ZlqFdVenAoNBl7xsYe9DHcPvQJPJHFbCdBrLEEBHYYsu4jZmpF+Lm 7VmEgMtjZvYjisyoybUnpnvQRQuYFrcJjQAFlgD/kUC7XGyPsN/Fqgh8V62KE+Eh+sWnZQsIGRqMi i21lt0yg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujB8L-0000000Bt1L-30iY; Tue, 05 Aug 2025 06:26:49 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujB5n-0000000Bsgo-4AOm for kexec@lists.infradead.org; Tue, 05 Aug 2025 06:24:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1754375051; 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=kJO5yIBXXOgt25+uyQhOeCpPCqEaTDSwq6fQ38qy9Bc=; b=izXI+hIOauu6E4H9vxwR4nLkEDlYIyqdIgaO37TEFXE22fXGdoQd+5HwdutOiLpuvDNI3v 1rsJK8ODggcsAJtxHodHmPyJViCV5iC2wfg/A2aTb4xf6hVFHYraYU4mSFLWCEq8dDZPsk wjMw/tHiRsppuJsr8DyFNAaNZPuWoBI= Received: from mx-prod-mc-08.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-178-AR-aqPXUOv6YUb-9IY0KQw-1; Tue, 05 Aug 2025 02:24:09 -0400 X-MC-Unique: AR-aqPXUOv6YUb-9IY0KQw-1 X-Mimecast-MFC-AGG-ID: AR-aqPXUOv6YUb-9IY0KQw_1754375048 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id A0AF61800876; Tue, 5 Aug 2025 06:24:07 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.112.136]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6C6CF1956094; Tue, 5 Aug 2025 06:24:01 +0000 (UTC) From: Baoquan He To: linux-mm@kvack.org Cc: ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.com, dvyukov@google.com, vincenzo.frascino@arm.com, akpm@linux-foundation.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, Baoquan He Subject: [PATCH 4/4] mm/kasan: make kasan=on|off take effect for all three modes Date: Tue, 5 Aug 2025 14:23:33 +0800 Message-ID: <20250805062333.121553-5-bhe@redhat.com> In-Reply-To: <20250805062333.121553-1-bhe@redhat.com> References: <20250805062333.121553-1-bhe@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250804_232412_121681_A50F5F4E X-CRM114-Status: UNSURE ( 8.61 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org Now everything is ready, set kasan=off can disable kasan for all three modes. Signed-off-by: Baoquan He --- include/linux/kasan-enabled.h | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/include/linux/kasan-enabled.h b/include/linux/kasan-enabled.h index 32f2d19f599f..b5857e15ef14 100644 --- a/include/linux/kasan-enabled.h +++ b/include/linux/kasan-enabled.h @@ -8,30 +8,21 @@ extern bool kasan_arg_disabled; DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled); -#ifdef CONFIG_KASAN_HW_TAGS - static __always_inline bool kasan_enabled(void) { return static_branch_likely(&kasan_flag_enabled); } +#ifdef CONFIG_KASAN_HW_TAGS static inline bool kasan_hw_tags_enabled(void) { return kasan_enabled(); } - #else /* CONFIG_KASAN_HW_TAGS */ - -static inline bool kasan_enabled(void) -{ - return IS_ENABLED(CONFIG_KASAN); -} - static inline bool kasan_hw_tags_enabled(void) { return false; } - #endif /* CONFIG_KASAN_HW_TAGS */ #endif /* LINUX_KASAN_ENABLED_H */ -- 2.41.0