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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A6EAC48BD6 for ; Thu, 27 Jun 2019 11:04:40 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 78058204FD for ; Thu, 27 Jun 2019 11:04:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 78058204FD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hgSCa-000819-6L; Thu, 27 Jun 2019 11:04:28 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hgSCZ-000814-0D for xen-devel@lists.xenproject.org; Thu, 27 Jun 2019 11:04:27 +0000 X-Inumbo-ID: 51c7a4b6-98cb-11e9-8a03-7772e15c4d21 Received: from foss.arm.com (unknown [217.140.110.172]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTP id 51c7a4b6-98cb-11e9-8a03-7772e15c4d21; Thu, 27 Jun 2019 11:04:23 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id BF0612B; Thu, 27 Jun 2019 04:04:22 -0700 (PDT) Received: from [10.1.196.50] (e108454-lin.cambridge.arm.com [10.1.196.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 188B33F718; Thu, 27 Jun 2019 04:04:21 -0700 (PDT) To: Stefano Stabellini References: <20190610193215.23704-1-julien.grall@arm.com> <20190610193215.23704-18-julien.grall@arm.com> <7c8f54c5-29e1-8296-4dd5-401ef1406e2a@arm.com> From: Julien Grall Message-ID: <97e51782-85f8-8381-4244-cd8e2e0165e2@arm.com> Date: Thu, 27 Jun 2019 12:04:20 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Subject: Re: [Xen-devel] [PATCH 17/17] xen/arm64: Zero BSS after the MMU and D-cache is turned on X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, Oleksandr_Tyshchenko@epam.com, andrii_anisov@epam.com, andre.przywara@arm.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" SGkgU3RlZmFubywKCk9uIDI2LzA2LzIwMTkgMjI6MDgsIFN0ZWZhbm8gU3RhYmVsbGluaSB3cm90 ZToKPiBPbiBXZWQsIDI2IEp1biAyMDE5LCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4+IEhpIFN0ZWZh bm8sCj4+Cj4+IE9uIDYvMjYvMTkgODoyOSBQTSwgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+ Pj4gT24gTW9uLCAxMCBKdW4gMjAxOSwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pj4+IEF0IHRoZSBt b21lbnQgQlNTIGlzIHplcm9lZCBiZWZvcmUgdGhlIE1NVSBhbmQgRC1DYWNoZSBpcyB0dXJuZWQg b24uCj4+Pj4gSW4gb3RoZXIgd29yZHMsIHRoZSBjYWNoZSB3aWxsIGJlIGJ5cGFzc2VkIHdoZW4g emVyb2luZyB0aGUgQlNTIHNlY3Rpb24uCj4+Pj4KPj4+PiBQZXIgdGhlIEltYWdlIHByb3RvY29s IFsxXSwgdGhlIHN0YXRlIG9mIHRoZSBjYWNoZSBmb3IgQlNTIHJlZ2lvbiBpcyBub3QKPj4+PiBr bm93biBiZWNhdXNlIGl0IGlzIG5vdCBwYXJ0IG9mIHRoZSAibG9hZGVkIGtlcm5lbCBpbWFnZSIu Cj4+Pj4KPj4+PiBUaGlzIG1lYW5zIHRoYXQgdGhlIGNhY2hlIHdpbGwgbmVlZCB0byBiZSBpbnZh bGlkYXRlZCB0d2ljZSBmb3IgdGhlIEJTUwo+Pj4+IHJlZ2lvbjoKPj4+PiAgICAgICAxKSBCZWZv cmUgemVyb2luZyB0byByZW1vdmUgYW55IGRpcnR5IGNhY2hlIGxpbmUuIE90aGVyd2lzZSB0aGV5 IG1heQo+Pj4+ICAgICAgIGdldCBldmljdGVkIHdoaWxlIHplcm9pbmcgYW5kIHRoZXJlZm9yZSBv dmVycmlkaW5nIHRoZSB2YWx1ZS4KPj4+PiAgICAgICAyKSBBZnRlciB6ZXJvaW5nIHRvIHJlbW92 ZSBhbnkgY2FjaGUgbGluZSB0aGF0IG1heSBoYXZlIGJlZW4KPj4+PiAgICAgICBzcGVjdWxhdGVk LiBPdGhlcndpc2Ugd2hlbiB0dXJuaW5nIG9uIE1NVSBhbmQgRC1DYWNoZSwgdGhlIENQVSBtYXkK Pj4+PiAgICAgICBzZWUgb2xkIHZhbHVlcy4KPj4+Pgo+Pj4+IEhvd2V2ZXIsIHRoZSBvbmx5IHJl YXNvbiB0byBoYXZlIHRoZSBCU1MgemVyb2VkIGVhcmx5IGlzIGJlY2F1c2UgdGhlCj4+Pj4gYm9v dCBwYWdlIHRhYmxlcyBhcmUgcGFydCBvZiBCU1MuIFRvIGF2b2lkIHRoZSB0d28gY2FjaGUgaW52 YWxpZGF0aW9ucywKPj4+PiBpdCBpcyBwb3NzaWJsZSB0byBtb3ZlIHRoZSBwYWdlIHRhYmxlcyBp biB0aGUgc2VjdGlvbiAuZGF0YS5wYWdlX2FsaWduZWQuCj4+Pgo+Pj4gSSBhbSBub3QgZm9sbG93 aW5nIHRoZSBsYXN0IHBhcnQuIEhvdyBpcyBtb3ZpbmcgdGhlIGJvb3QgcGFnZSB0YWJsZXMgdG8K Pj4+IC5kYXRhLnBhZ2VfYWxpZ25lZCBzb2x2aW5nIHRoZSBwcm9ibGVtPyBEbyB3ZSBuZWVkIHRv IHplcm8KPj4+IC5kYXRhLnBhZ2VfYWxpZ25lZCBlYXJseSBvciBjYW4gd2Ugc2tpcCBpdCBiZWNh dXNlIGl0IGlzIGd1YXJhbnRlZWQgdG8KPj4+IGFscmVhZHkgYmUgemVybz8KPj4KPj4gR2xvYmFs IHZhcmlhYmxlcyBhcmUgaW5pdGlhbGl6ZWQgdG8gemVybyBieSBkZWZhdWx0IHJlZ2FyZGxlc3Mg dGhlIHNlY3Rpb24KPj4gdGhleSByZXNpZGUuIFVzdWFsbHkgdGhleSBhcmUgc3RvcmVkIGluIEJT UyBiZWNhdXNlIGl0IHNhdmVzIHNwYWNlIGluIHRoZQo+PiBiaW5hcnkuCj4+Cj4+IFdpdGggdGhl IEltYWdlIHByb3RvY29sLCBCU1MgaXMgbm90IGluaXRpYWxpemVkIGJ5IHRoZSBib290bG9hZGVy IHNvIHdlIGhhdmUKPj4gdG8gZG8gb3Vyc2VsZi4KPj4KPj4gVGhlIHNlY3Rpb24gLmRhdGEucGFn ZV9hbGlnbmVkIGlzIGFsd2F5cyBwYXJ0IG9mIHRoZSBiaW5hcnkuIFNvIHRoZSBjb21waWxlcgo+ PiB3aWxsIHdyaXRlIHplcm8gaW4gdGhlIGJpbmFyeSBmb3IgYW55IGdsb2JhbCB2YXJpYWJsZXMg cGFydCBvZiB0aGF0IHNlY3Rpb24KPj4gYW5kIHRoZXJlZm9yZSB0aGUgY29ycmVzcG9uZGluZyBt ZW1vcnkgd2lsbCBiZSB6ZXJvZWQgd2hlbiBsb2FkaW5nIHRoZSBiaW5hcnkuCj4+Cj4+IElmIGl0 IG1ha2VzIHNlbnNlLCBJIGNhbiB0cnkgdG8gaW5jb3Jwb3JhdGUgdGhhdCBpbiB0aGUgY29tbWl0 IG1lc3NhZ2UuCj4gCj4gU28gYmFzaWNhbGx5IGl0IGlzIHJlYWxseSBvbmx5IEJTUyB0aGUgcHJv YmxlbS4gQWxsIHJpZ2h0LCBsb29rcyBnb29kIHRvCj4gbWUuCgpZZXMgdGhhdCdzIGNvcnJlY3Qu Cgo+IAo+IEFja2VkLWJ5OiBTdGVmYW5vIFN0YWJlbGxpbmkgPHNzdGFiZWxsaW5pQGtlcm5lbC5v cmc+CgpUaGFuayB5b3UhCgpDaGVlcnMsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0 Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qu b3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs