From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: Supporting systems with large E820 maps Date: Tue, 21 Mar 2017 04:03:51 -0600 Message-ID: <58D108970200007800145956@prv-mh.provo.novell.com> References: <20170320190342.GF196487@stormcage.americas.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170320190342.GF196487@stormcage.americas.sgi.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: alex.thorlton@hpe.com Cc: rja@hpe.com, Boris Ostrovsky , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDIwLjAzLjE3IGF0IDIwOjAzLCA8YWxleC50aG9ybHRvbkBocGUuY29tPiB3cm90ZToK PiAtLS0geGVuLm9yaWcvYXJjaC94ODYvZTgyMC5jCj4gKysrIHhlbi9hcmNoL3g4Ni9lODIwLmMK PiBAQCAtMTM0LDcgKzEzNCw3IEBAIHN0YXRpYyBzdHJ1Y3QgY2hhbmdlX21lbWJlciAqY2hhbmdl X3BvaW4KPiAgc3RhdGljIHN0cnVjdCBlODIwZW50cnkgKm92ZXJsYXBfbGlzdFtFODIwTUFYXSBf X2luaXRkYXRhOwo+ICBzdGF0aWMgc3RydWN0IGU4MjBlbnRyeSBuZXdfYmlvc1tFODIwTUFYXSBf X2luaXRkYXRhOwo+IAo+IC1zdGF0aWMgaW50IF9faW5pdCBzYW5pdGl6ZV9lODIwX21hcChzdHJ1 Y3QgZTgyMGVudHJ5ICogYmlvc21hcCwgY2hhciAqIHBucl9tYXApCj4gK3N0YXRpYyBpbnQgX19p bml0IHNhbml0aXplX2U4MjBfbWFwKHN0cnVjdCBlODIwZW50cnkgKiBiaW9zbWFwLCB1bnNpZ25l ZCBpbnQgKiBwbnJfbWFwKQo+ICB7Cj4gICAgICBzdHJ1Y3QgY2hhbmdlX21lbWJlciAqY2hhbmdl X3RtcDsKPiAgICAgIHVuc2lnbmVkIGxvbmcgY3VycmVudF90eXBlLCBsYXN0X3R5cGU7Cj4gQEAg LTUwOSwxMyArNTA5LDEzIEBAIHN0YXRpYyB2b2lkIF9faW5pdCByZXNlcnZlX2RtaV9yZWdpb24o dm8KPiAgICAgIH0KPiAgfQo+IAo+IC1zdGF0aWMgdm9pZCBfX2luaXQgbWFjaGluZV9zcGVjaWZp Y19tZW1vcnlfc2V0dXAoc3RydWN0IGU4MjBlbnRyeSAqcmF3LCBjaGFyICpyYXdfbnIpCj4gK3N0 YXRpYyB2b2lkIF9faW5pdCBtYWNoaW5lX3NwZWNpZmljX21lbW9yeV9zZXR1cChzdHJ1Y3QgZTgy MGVudHJ5ICpyYXcsIHVuc2lnbmVkIGludCAqcmF3X25yKQoKSSdtIGNvbmZ1c2VkOiBzdGFnaW5n IGhhcwoKc3RhdGljIHZvaWQgX19pbml0IG1hY2hpbmVfc3BlY2lmaWNfbWVtb3J5X3NldHVwKAog ICAgc3RydWN0IGU4MjBlbnRyeSAqcmF3LCB1bnNpZ25lZCBpbnQgKnJhd19ucikKewoKPiAgewo+ ICAgICAgdW5zaWduZWQgbG9uZyBtcHRfbGltaXQsIHJvX21wdF9saW1pdDsKPiAgICAgIHVpbnQ2 NF90IHRvcF9vZl9yYW0sIHNpemU7Cj4gICAgICBpbnQgaTsKPiAKPiAtICAgIGNoYXIgbnIgPSAo Y2hhcikqcmF3X25yOwo+ICsgICAgdW5zaWduZWQgaW50IG5yID0gKHVuc2lnbmVkIGludCkqcmF3 X25yOwo+ICAgICAgc2FuaXRpemVfZTgyMF9tYXAocmF3LCAmbnIpOwo+ICAgICAgKnJhd19uciA9 IG5yOwo+ICAgICAgKHZvaWQpY29weV9lODIwX21hcChyYXcsIG5yKTsKPiAtLS0+OAo+IAo+IEkg ZGlkbid0IG5lZWQgdG8gZ28gYWxsIHRoZSB3YXkgdXAgdG8gdW5zaWduZWQgaW50IGhlcmUsIGJ1 dCBJIGRpZCB0aGlzCj4gYXMgYSBxdWljay9kaXJ0eSB0ZXN0IHRvIHNlZSBpZiBpdCBnb3QgdGhp bmdzIHdvcmtpbmcuCgpJIHRoaW5rIHRoaXMgdHlwZSBjaGFuZ2UgY291bGQgYmUgc3VibWl0dGVk IHJpZ2h0IGF3YXkgKHByb3Blcmx5CmNsZWFuZWQgdXAgZm9yIHN0eWxlKS4gQWZ0ZXIgYWxsIHdo ZW4gcGxhaW4gY2hhciBpcyBhIHNpZ25lZCB0eXBlCih3aGljaCBpdCBpcyBhbGxvd2VkIHRvIGJl KSBpdCB3b24ndCBjb3BlIHdpdGggMTI4IGVudHJpZXMuCgo+IFRoZXNlIHNtYWxsIGNoYW5nZXMg Z2V0IG91ciBsYXJnZSBtYWNoaW5lIHRvIGJvb3QgdXAgYW5kIHJlY29nbml6ZSBhbGwKPiAzMlRC IG9mIGF2YWlsYWJsZSBSQU0uICBJIGtub3cgdGhhdCB0aGVzZSBjaGFuZ2VzIGFyZSBwcm9iYWJs eSBub3Qgd2hhdAo+IHdlJ2xsIHdhbnQgdG8gZ28gd2l0aCBpbiB0aGUgZW5kLCBidXQgSSB3YW50 ZWQgdG8gZ2V0IHRoZW0gc2VudCB1cHN0cmVhbQo+IHRvIGdldCBhIGRpYWxvZ3VlIHN0YXJ0ZWQu Cj4gCj4gU28sIHdoYXQgZG8gb3RoZXJzIHRoaW5rIGhlcmU/ICBIb3cgZG8gd2Ugd2FudCB0byBo YW5kbGUgYSBsYXJnZSBFODIwCj4gbWFwPyAgQm9yaXMgbWVudGlvbmVkIHRvIG1lIHRoYXQgd2Ug bWlnaHQgd2FudCB0byBhdHRlbXB0IHRvIGRvIGEKPiBkeW5hbWljIGFsbG9jYXRpb24gc2NoZW1l LCB3aGVyZSB3ZSByZXNlcnZlIG1vcmUgc3BhY2UgZm9yIHRoZSBtZW1vcnkKPiBtYXAgd2hlbiB3 ZSBkZXRlY3QgdGhhdCBFODIwIGlzIGxhcmdlLgoKU2luY2UgSsO8cmdlbiBzYXlzIGhlIGFscmVh ZHkgaGFzIHNvbWV0aGluZyByZWFkeSwgSSB0aGluayB0aGVyZSdzCm5vdCBtdWNoIGVsc2UgdG8g c2F5LgoKSmFuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8v bGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK