From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH] xen/arm: skip first page when RAM starts at 0x0 Date: Thu, 02 May 2019 01:30:52 -0600 Message-ID: <5CCA9CAC020000780022B058@prv1-mh.provo.novell.com> References: <1556214715-22030-1-git-send-email-sstabellini@kernel.org> <981e7b3f-464b-d37c-e03e-22408ae65f85@arm.com> <5CC2CB8C02000078002295AA@prv1-mh.provo.novell.com> <5CC2D27C02000078002295F6@prv1-mh.provo.novell.com> <43510317-ca8a-ed23-835a-86a28286b919@arm.com> <5CC3283A0200007800229832@prv1-mh.provo.novell.com> <72a0eee1-1d29-2368-3737-d37f7a4926c6@arm.com> <5CC6A47E0200007800229D67@prv1-mh.provo.novell.com> <10687f88-fb6b-721c-c6e8-a1ab06023616@arm.com> <5CC72125020000780022A20F@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: 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 1hM6BH-0003nx-IG for xen-devel@lists.xenproject.org; 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Thu, 02 May 2019 07:30:55 +0000 (UTC) Received: from INET-PRV1-MTA by prv1-mh.provo.novell.com with Novell_GroupWise; Thu, 02 May 2019 01:30:54 -0600 Message-Id: <5CCA9CAC020000780022B058@prv1-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.1.0 Date: Thu, 02 May 2019 01:30:52 -0600 From: "Jan Beulich" To: "Stefano Stabellini" References: <1556214715-22030-1-git-send-email-sstabellini@kernel.org> <981e7b3f-464b-d37c-e03e-22408ae65f85@arm.com> <5CC2CB8C02000078002295AA@prv1-mh.provo.novell.com> <5CC2D27C02000078002295F6@prv1-mh.provo.novell.com> <43510317-ca8a-ed23-835a-86a28286b919@arm.com> <5CC3283A0200007800229832@prv1-mh.provo.novell.com> <72a0eee1-1d29-2368-3737-d37f7a4926c6@arm.com> <5CC6A47E0200007800229D67@prv1-mh.provo.novell.com> <10687f88-fb6b-721c-c6e8-a1ab06023616@arm.com> <5CC72125020000780022A20F@prv1-mh.provo.novell.com> In-Reply-To: Mime-Version: 1.0 Content-Disposition: inline Subject: Re: [Xen-devel] [PATCH] xen/arm: skip first page when RAM starts at 0x0 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: Stefano Stabellini , Andrew Cooper , Julien Grall , 206497@studenti.unimore.it, xen-devel , nd@arm.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190502073052.2qNSrdtnXMsO17Ri-mkAVUnU80fVAQqT9mG5jE5Ay_I@z> Pj4+IE9uIDAyLjA1LjE5IGF0IDAwOjQ0LCA8c3N0YWJlbGxpbmlAa2VybmVsLm9yZz4gd3JvdGU6 Cj4gSGkgSmFuLCBJIGhhdmUgYSBxdWVzdGlvbiBvbiB0aGUgUERYIGNvZGUuCj4gCj4gVGhlIFBE WCBpbml0aWFsaXphdGlvbiBpcyBhIGJpdCBkaWZmZXJlbnQgYmV0d2VlbiB4ODYgYW5kIEFSTSwg YnV0IGl0Cj4gZm9sbG93cyByb3VnaGx5IHRoZSBzYW1lIHBhdHRlcm4sIGxvb2sgYXQKPiB4ZW4v YXJjaC94ODYvc3JhdC5jOnNyYXRfcGFyc2VfcmVnaW9ucyAoSSB0YWtlIHRoYXQgaXMgd2hlcmUg dGhpbmdzCj4gaGFwcGVuIG9uIHg4NikgYW5kIHhlbi9hcmNoL2FybS9zZXR1cC5jOmluaXRfcGR4 Lgo+IAo+IE1hc2sgaXMgaW5pdGlhbGl6ZWQgY2FsbGluZyBwZHhfaW5pdF9tYXNrIG9uIGEgc3Rh cnQgYWRkcmVzcywgdGhlbiBhCj4gbG9vcCBmaWxscyBpbiB0aGUgcmVzdCBvZiB0aGUgbWFzayBj YWxsaW5nIHBkeF9yZWdpb25fbWFzaywgYmFzZWQgb24gdGhlCj4gbWVtb3J5IHJlZ2lvbnMgcHJl c2VudC4KPiAKPiBJIHdyb3RlIGEgc21hbGwgdW5pdCB0ZXN0IG9mIHRoZSBBUk0gUERYIGluaXRp YWxpemF0aW9uIGFuZCB3aGlsZSBJIHdhcwo+IHBsYXlpbmcgd2l0aCBhZGRyZXNzZXMgYW5kIHZh bHVlcyBJIG5vdGljZWQgdGhhdCBhY3R1YWxseSBpZiBJIHNpbXBseQo+IHNraXAgcGR4X2luaXRf bWFzayBhbmQganVzdCBpbml0aWFsaXplIHRoZSBtYXNrIHRvIDAgKG1hc2sgPSAwKSBpbgo+IGlu aXRfcGR4LCB0aGUgcmVzdCBvZiB0aGUgZnVuY3Rpb24gYWx3YXlzIGNhbGN1bGF0ZXMgdGhlIHJp Z2h0IG1hc2suCj4gCj4gSW4gZmFjdCwgdGhlcmUgYXJlIGNhc2VzIHdoZXJlIGluaXRpYWxpemlu ZyB0aGUgbWFzayB0byBhIHZhbHVlIGNhdXNlcwo+IHRoZSByZXN0IG9mIHRoZSBjb2RlIHRvIG1p c3Mgc29tZSBwb3RlbnRpYWwgY29tcHJlc3Npb25zLiBXaGlsZQo+IGluaXRpYWxpemluZyB0aGUg bWFzayB0byAwIGxlYWRzIHRvIG1vcmUgb3B0aW1pemF0aW9ucy4gSSBjYW4gcHJvdmlkZQo+IHNw ZWNpZmljIGV4YW1wbGVzIGlmIHlvdSBhcmUgY3VyaW91cy4KPiAKPiBCZWZvcmUgSSBtYWtlIGFu eSBjaGFuZ2VzIHRvIHRoYXQgY29kZSwgSSB3b3VsZCBsaWtlIHRvIHVuZGVyc3RhbmQgYSBiaXQK PiBiZXR0ZXIgd2h5IHRoaW5ncyBhcmUgZG9uZSB0aGF0IHdheSB0b2RheS4gRG8geW91IGtub3cg d2h5IHRoZSBtYXNrIGlzCj4gaW5pdGlhbGl6ZWQgdG8gcGR4X2luaXRfbWFzayhzdGFydC1vZi1y YW0pPwoKSSdtIGNvbmZ1c2VkLCBhbmQgaGVuY2UgSSdtIHBlcmhhcHMgbWlzdW5kZXJzdGFuZGlu ZyB5b3VyCnF1ZXN0aW9uLiBUbyBtZSBpdCBsb29rcyBsaWtlIHlvdSdyZSByZS1hc2tpbmcgYSBx dWVzdGlvbiBhbHJlYWR5CmFuc3dlcmVkLiBPbiB4ODYgd2UgZG9uJ3Qgd2FudCB0byBzcXVhc2gg b3V0IGFueSBvZiB0aGUgbG93CjMyIGJpdHMsIGJlY2F1c2Ugb2YgdGhlIHNwZWNpYWwgYWRkcmVz cyByYW5nZXMgdGhhdCBsaXZlIGJlbG93CjRHYi4gSGVuY2Ugd2UgaW52b2tlIHBkeF9pbml0X21h c2soZmlyc3QtYmxvY2stYXQtb3ItYWJvdmUtNEdiKS4KTm90ZSBpdCdzIG5vdCBzdGFydC1vZi1y YW0sIGFzIHlvdSd2ZSBzYWlkLgoKSmFuCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3Rz LnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0 aW5mby94ZW4tZGV2ZWw=