From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id DEDA36B0033 for ; Thu, 14 Sep 2017 21:31:20 -0400 (EDT) Received: by mail-pg0-f69.google.com with SMTP id v82so1895277pgb.5 for ; Thu, 14 Sep 2017 18:31:20 -0700 (PDT) Received: from aserp1040.oracle.com (aserp1040.oracle.com. [141.146.126.69]) by mx.google.com with ESMTPS id j128si11677275pgc.639.2017.09.14.18.31.18 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 Sep 2017 18:31:19 -0700 (PDT) Subject: Re: [PATCH v8 10/11] arm64/kasan: explicitly zero kasan shadow memory References: <20170914223517.8242-1-pasha.tatashin@oracle.com> <20170914223517.8242-11-pasha.tatashin@oracle.com> <20170915011035.GA6936@remoulade> From: Pavel Tatashin Message-ID: Date: Thu, 14 Sep 2017 21:30:28 -0400 MIME-Version: 1.0 In-Reply-To: <20170915011035.GA6936@remoulade> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: owner-linux-mm@kvack.org List-ID: To: Mark Rutland Cc: linux-kernel@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org, kasan-dev@googlegroups.com, borntraeger@de.ibm.com, heiko.carstens@de.ibm.com, davem@davemloft.net, willy@infradead.org, mhocko@kernel.org, ard.biesheuvel@linaro.org, will.deacon@arm.com, catalin.marinas@arm.com, sam@ravnborg.org, mgorman@techsingularity.net, Steven.Sistare@oracle.com, daniel.m.jordan@oracle.com, bob.picco@oracle.com Hi Mark, Thank you for looking at this. We can't do this because page table is not set until cpu_replace_ttbr1() is called. So, we can't do memset() on this memory until then. Pasha -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org