Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp882052pxb; Wed, 27 Oct 2021 14:23:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwEeTpHA/Z0DHCAl3ShGPVEIFvqiLNlKRV56PVO2cQC3U0lhPwMRphKJPF9Sr8N/GfGaIOQ X-Received: by 2002:a50:d802:: with SMTP id o2mr385319edj.331.1635369836521; Wed, 27 Oct 2021 14:23:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1635369836; cv=none; d=google.com; s=arc-20160816; b=INeR+A8tivyn75beTJxUjH4U6qBkzLvG18nc+ISk9Am7CNdltw6+Z4fk0FhXJMomH8 Au/lMJW6F+LbTt1MGEMNHakekwGo8QB5gW0CHSmL5MDBK6lgcZXTFyQhgMHBAz4gBih4 8xU7KzuCru/amivOqEltUdoRaHhPPCBNkzDubyob/bhK+ZDO5KomL+e5/Z+sqqWfyEuf RicFuIFfcToL+KRAq8TFCPMM4kOZHuLopOF//K/AqU7iggWmAhnPiZc0UfMGSfZ7Xmn+ ivzs4HFW/Ik8F5Ym4n407FmAA6XrWkkKsGXG804F+AqSnYuZ7ll/6SHkCnMwkjoC5Awj bQnQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:thread-index:thread-topic :content-transfer-encoding:mime-version:subject:references :in-reply-to:message-id:cc:to:from:date; bh=14OZx0jP6gboQlAbZLY+1j3V+qXzp3mY0dpxQhbdro0=; b=Q6DVbhRd5dSKNdXJxN6KsHayYUKMtJ0WZg1qe8dDRwG27GgjiPYM3LC3gQ684OAqMf Zt24GK+yAG5bGRX76cenCwW5xrv3kRiGb0AlFqzR5UQBafTpBN2bAtZ8fHhr5GMpzrTr FJo//9zbiTcd/uNWDcQWpd1o4jBHx4tMqn7kyC4LmJKIox2P5FkFvG6tKHG97oSpBp1t IQjxqQFwQnKOtTiBFvIUzhA5AGEl6KBtzpFc9SkxEqKlLntchdLvpED70B1xvZYCXnwA 6lW3k20q+vnal6bwL2Kn3qpc/jFilwrh5SPuyUv+janqnp7ZGRA+vD8TjpNiKxXqH559 9WKQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id e14si1194705edr.519.2021.10.27.14.23.33; Wed, 27 Oct 2021 14:23:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237083AbhJ0K4h convert rfc822-to-8bit (ORCPT + 97 others); Wed, 27 Oct 2021 06:56:37 -0400 Received: from lithops.sigma-star.at ([195.201.40.130]:40956 "EHLO lithops.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231473AbhJ0K4g (ORCPT ); Wed, 27 Oct 2021 06:56:36 -0400 Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id DBBAC60A59CB; Wed, 27 Oct 2021 12:54:09 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id jAtqK5-KKcxu; Wed, 27 Oct 2021 12:54:09 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 3B85160A59CC; Wed, 27 Oct 2021 12:54:09 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 4VSet6S7aa7W; Wed, 27 Oct 2021 12:54:09 +0200 (CEST) Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lithops.sigma-star.at (Postfix) with ESMTP id 1737160A59CB; Wed, 27 Oct 2021 12:54:09 +0200 (CEST) Date: Wed, 27 Oct 2021 12:54:09 +0200 (CEST) From: Richard Weinberger To: shiva linuxworks Cc: Tudor Ambarus , Michael Walle , Pratyush Yadav , Miquel Raynal , Vignesh Raghavendra , linux-mtd , linux-kernel , Shivamurthy Shastri Message-ID: <771780049.41543.1635332049033.JavaMail.zimbra@nod.at> In-Reply-To: <20211027103352.8879-1-sshivamurthy@micron.com> References: <20211027103352.8879-1-sshivamurthy@micron.com> Subject: Re: [PATCH 0/4] enabling Advanced protection and security features MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT X-Originating-IP: [195.201.40.130] X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF93 (Linux)/8.8.12_GA_3809) Thread-Topic: enabling Advanced protection and security features Thread-Index: e9NOfgAgmG4FgeEzOITeky2aCvZksw== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ----- Ursprüngliche Mail ----- > Von: "shiva linuxworks" > An: "Tudor Ambarus" , "Michael Walle" , "Pratyush Yadav" > , "Miquel Raynal" , "richard" , "Vignesh Raghavendra" > > CC: "linux-mtd" , "linux-kernel" , "Shivamurthy Shastri" > > Gesendet: Mittwoch, 27. Oktober 2021 12:33:48 > Betreff: [PATCH 0/4] enabling Advanced protection and security features > From: Shivamurthy Shastri > > Standard protection features in SPI NOR flashes are legacy and offer a > simple way to protect the memory array against accidental or unwanted > modification of its content. > > These patches enable the support for advanced sector protection which > protects memory from accidentally corrupting code and data stored, and > it also prevents malicious attacks that could intentionally modify the > code or data stored in the memory. > > Micron Flashes offer some of the advanced protection methods using > volatile lock bits, non-volatile lock bits, global freeze bits, and > password. Can you please point us to the technical documentation of these features? I'm especially interested in the password feature. Thanks, //richard