From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A73CA157465 for ; Mon, 25 Nov 2024 15:10:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732547401; cv=none; b=H3w4cmm/V047Q3TauD3hyzpcuoIs/U5CCXbFZDZjytDXQkv1h6TvcD6x9fZue0XM+VAn84Bievymj90NfCP3+ZNqsw+a9L3wmWvurMMQBYIsOHCkJF4jMAP04CBGmEncfAzQIp/hmfS7GtpA//7S+loyblJVDsXzOIbBij+a/4M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732547401; c=relaxed/simple; bh=AaaAPFJGZp2LBZRcY6RK8JEEDW9gxNwMYtG0oEKWzxM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VSZlCMue70u0M4hTSacgmr8qaeASEWs6xf/nuwwU4sjxnZJB3osLeYnlTU36yaxy8F8jH9jGcj4v8wxQ7Byag6Q/WXdNchWE5YVUvF4WP4Auusqe0X+PemeZvwGoA1pnttjunnwrx8GUyjZStatyGPWJSrFjFfIvBt/JK1wmPZ8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kvWoQhRu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kvWoQhRu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E252BC4CECE; Mon, 25 Nov 2024 15:10:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732547401; bh=AaaAPFJGZp2LBZRcY6RK8JEEDW9gxNwMYtG0oEKWzxM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kvWoQhRuB4aZNFKG5yXtkv9mm/py0uiCAtfh8yuPaOdAXssmU7ieGRl2ynsJyxSbP qfEsTA6gn2HlUo8xCAYl/H1B1rJAqLmNnaZ8I2cFgrSwF6TBQob8Z29r2x5DHAte2H 0y4M5k6o6bnn4rHWTa/roMlz/Fem+I3wntDwppXQplF6fqokTIt4ta6h+G3ES2cmf5 Jdn7y2DSljDBu9dlwAxn0MT+6kJydprPQsmF0b+2tuxDuhzixZEOdjcgAbl19NMYGC AFI4K5z0zdZhV2QlHHNBqaYWVEhgOgTRAXUb36GiGxk2XsLCNNeAi2sIx5kRsWbhl5 8/3Wz+HGm8+SQ== Date: Mon, 25 Nov 2024 10:09:59 -0500 From: Sasha Levin To: Catalin Marinas Cc: Linus Torvalds , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [GIT PULL] arm64 updates for 6.13-rc1 Message-ID: References: <20241118100623.2674026-1-catalin.marinas@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20241118100623.2674026-1-catalin.marinas@arm.com> On Mon, Nov 18, 2024 at 10:06:23AM +0000, Catalin Marinas wrote: > - MTE: hugetlbfs support and the corresponding kselftests Hi Catalin, It looks like with the new feature above, LTP manages to trigger the following warning on linus-next: [ 100.133691] hugefork01 (362): drop_caches: 3 tst_hugepage.c:84: TINFO: 2 hugepage(s) reserved tst_tmpdir.c:316: TINFO: Using /scratch/ltp-CckaqgMrC1/LTP_hug5PSMw8 as tmpdir (ext2/ext3/ext4 filesystem) tst_test.c:1085: TINFO: Mounting none to /scratch/ltp-CckaqgMrC1/LTP_hug5PSMw8/hugetlbfs fstyp=hugetlbfs flags=0 tst_test.c:1860: TINFO: LTP version: 20240930 tst_test.c:1864: TINFO: Tested kernel: 6.12.0 #1 SMP PREEMPT @1732504538 aarch64 tst_test.c:1703: TINFO: Timeout per run is 0h 02m 30s <4>[ 100.355230] ------------[ cut here ]------------ <4>[ 100.356888] WARNING: CPU: 0 PID: 363 at arch/arm64/include/asm/mte.h:58 copy_highpage+0x1d4/0x2d8 <4>[ 100.359160] Modules linked in: crct10dif_ce sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 fuse drm backlight ip_tables x_tables <4>[ 100.363578] CPU: 0 UID: 0 PID: 363 Comm: hugefork01 Not tainted 6.12.0 #1 <4>[ 100.365113] Hardware name: linux,dummy-virt (DT) <4>[ 100.365966] pstate: 63402009 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) <4>[ 100.366468] pc : copy_highpage+0x1d4/0x2d8 <4>[ 100.366780] lr : copy_highpage+0x78/0x2d8 <4>[ 100.367090] sp : ffff80008066bb30 <4>[ 100.368094] x29: ffff80008066bb30 x28: ffffc1ffc3118000 x27: 0000000000000000 <4>[ 100.369341] x26: 0000000000000000 x25: 0000ffff9ce00000 x24: ffffc1ffc3118000 <4>[ 100.370223] x23: fff00000c47ff000 x22: fff00000c4fff000 x21: ffffc1ffc3138000 <4>[ 100.370739] x20: ffffc1ffc3138000 x19: ffffc1ffc311ffc0 x18: ffffffffffffffff <4>[ 100.371285] x17: 0000000000000000 x16: ffffa302fd05bcb0 x15: 0000ffff9d2fdfff <4>[ 100.372778] x14: 0000000000000000 x13: 1ffe00001859f161 x12: fff00000c2cf8b0c <4>[ 100.374124] x11: ffff80008066bd70 x10: ffffa302fe2a20d0 x9 : ffffa302fb438578 <4>[ 100.374877] x8 : ffff80008066ba48 x7 : 0000000000000000 x6 : ffffa302fdbdf000 <4>[ 100.376152] x5 : 0000000000000000 x4 : fff00000c2f239c0 x3 : fff00000c33e43f0 <4>[ 100.376962] x2 : ffffc1ffc3138000 x1 : 00000000000000f4 x0 : 0000000000000000 <4>[ 100.377964] Call trace: <4>[ 100.378736] copy_highpage+0x1d4/0x2d8 (P) <4>[ 100.379422] copy_highpage+0x78/0x2d8 (L) <4>[ 100.380272] copy_user_highpage+0x20/0x48 <4>[ 100.380805] copy_user_large_folio+0x1bc/0x268 <4>[ 100.381601] hugetlb_wp+0x190/0x860 <4>[ 100.382031] hugetlb_fault+0xa28/0xc10 <4>[ 100.382911] handle_mm_fault+0x2a0/0x2c0 <4>[ 100.383511] do_page_fault+0x12c/0x578 <4>[ 100.384913] do_mem_abort+0x4c/0xa8 <4>[ 100.385397] el0_da+0x44/0xb0 <4>[ 100.385775] el0t_64_sync_handler+0xc4/0x138 <4>[ 100.386243] el0t_64_sync+0x198/0x1a0 <4>[ 100.388759] ---[ end trace 0000000000000000 ]--- -- Thanks, Sasha