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 25A2FC433F5 for ; Tue, 3 May 2022 22:24:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:CC:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=GDWqN82TUaIfdiyJD3lghD/nvGFswY/ur3n+qOp2YyY=; b=NFAebg6Rv3hTja 8h9PoW6Ccj8QbOkVosO51f4sEm2gh8eHJZ1wVtdOH4Mdtbm9vzpcIdyvAp6iClbbMb4SiTE/Mq08L KbGk3/YOgvSPGs3R6uq9Wj3mJ8nsswUqYV1hPCBUacgKRJ7CkilQsgZOoGaokwb9fkyIDTfZTUVBG NT5BFVx1i7vT/TCxaoLQnJcX2+Vst+sSMU8b8vUJj+7ROEutCelRYliJ8IRCOghh3IkwL0ahnhnT9 pVBQ3Afi+5TWMRcPwXcQbN30OcSfJ2a+jAhbAmXg3mJ/49o9EzbKTU/UVdpmKUPntces/fu2VqC+8 9P1Sl7wAkxioCTUAfGWA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nm0vv-007x4o-1W; Tue, 03 May 2022 22:23:51 +0000 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nm0vs-007x3w-E1 for linux-arm-kernel@lists.infradead.org; Tue, 03 May 2022 22:23:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1651616628; x=1683152628; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=xnDs4fqABVmtbO8EfV302QSHZqoqwEJa0N8z1KcZxsw=; b=MjFLQhCNlTn7rTByxjwBiE0Mi9P+5xsKA7V23Zj1V3+Rs+3A8jF0kkYf 7eKe3txhUHuuvJd3jEE24uvyMz4XqJ3mO7l8Dgx81N16d9uG2RyjPeAcu q6FD28cLBeXHfYg/t2IpHZA0X973OYnFES/Luf1Lk5X1Od/MW2+GOZoon s=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-02.qualcomm.com with ESMTP; 03 May 2022 15:23:45 -0700 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 May 2022 15:23:45 -0700 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 3 May 2022 15:23:44 -0700 Received: from qian (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Tue, 3 May 2022 15:23:42 -0700 Date: Tue, 3 May 2022 18:23:40 -0400 From: Qian Cai To: Mark Brown CC: Catalin Marinas , Will Deacon , Marc Zyngier , Shuah Khan , "Shuah Khan" , Basant Kumar Dwivedi , Luis Machado , Szabolcs Nagy , , , Alan Hayward , , "Salil Akerkar" , Luca Salabrino Subject: Re: [PATCH v14 00/39] arm64/sme: Initial support for the Scalable Matrix Extension Message-ID: References: <20220419112247.711548-1-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220419112247.711548-1-broonie@kernel.org> X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220503_152348_521070_D14047D4 X-CRM114-Status: GOOD ( 10.55 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Apr 19, 2022 at 12:22:08PM +0100, Mark Brown wrote: > This series provides initial support for the ARMv9 Scalable Matrix > Extension (SME). SME takes the approach used for vectors in SVE and > extends this to provide architectural support for matrix operations. A > more detailed overview can be found in [1]. Set CONFIG_ARM64_SME=n fixed a warning while running libhugetlbfs tests. /* * There are several places where we assume that the order value is sane * so bail out early if the request is out of bound. */ if (unlikely(order >= MAX_ORDER)) { WARN_ON_ONCE(!(gfp & __GFP_NOWARN)); return NULL; } WARNING: CPU: 122 PID: 4025 at mm/page_alloc.c:5383 __alloc_pages CPU: 122 PID: 4025 Comm: brk_near_huge Not tainted 5.18.0-rc5-next-20220503 #79 pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __alloc_pages lr : alloc_pages sp : ffff8000505470f0 x29: ffff8000505470f0 x28: ffff40028b3535c0 x27: 0000000000000000 x26: 1ffff0000a0a8ea2 x25: ffff800050547510 x24: 0000000000000dc0 x23: ffff921ddb818000 x22: 000000000000000e x21: 1ffff0000a0a8e28 x20: 0000000000040dc0 x19: ffffae1848c61ae0 x18: ffffae18357e7d24 x17: ffffae182fb75778 x16: 1fffe8005166a7d8 x15: 000000000000001a x14: 1fffe8005166a7cb x13: 0000000000000004 x12: ffff70000a0a8e03 x11: 1ffff0000a0a8e02 x10: 00000000f204f1f1 x9 : 000000000000f204 x8 : dfff800000000000 x7 : 00000000f3000000 x6 : 00000000f3f3f3f3 x5 : ffff70000a0a8e28 x4 : ffff40028b3535c0 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000040dc0 Call trace: __alloc_pages alloc_pages kmalloc_order kmalloc_order_trace __kmalloc __regset_get regset_get_alloc fill_thread_core_info fill_note_info elf_core_dump do_coredump get_signal do_signal do_notify_resume el0_svc el0t_64_sync_handler el0t_64_sync irq event stamp: 28066 hardirqs last enabled at (28065): _raw_spin_unlock_irqrestore hardirqs last disabled at (28066): el1_dbg softirqs last enabled at (27438): fpsimd_preserve_current_state softirqs last disabled at (27436): fpsimd_preserve_current_state _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel