From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH RFC] x86/resume: take care of fully eager FPU around system suspend Date: Thu, 21 Jun 2018 00:46:54 -0600 Message-ID: <5B2B49DE02000078001CC911@prv1-mh.provo.novell.com> References: <5B2622360200007800133021@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1fVtMx-0001Aa-OW for xen-devel@lists.xenproject.org; Thu, 21 Jun 2018 06:46:59 +0000 In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrew Cooper , xen-devel Cc: Juergen Gross List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDE4LjA2LjE4IGF0IDEwOjQ1LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMTcvMDYvMTggMTY6NTYsIEphbiBCZXVsaWNoIHdyb3RlOgo+PiAtLS0gYS94ZW4v YXJjaC94ODYvYWNwaS9zdXNwZW5kLmMKPj4gKysrIGIveGVuL2FyY2gveDg2L2FjcGkvc3VzcGVu ZC5jCj4+IEBAIC05Miw4ICs5MiwxMSBAQCB2b2lkIHJlc3RvcmVfcmVzdF9wcm9jZXNzb3Jfc3Rh dGUodm9pZCkKPj4gICAgICAgICAgd3JpdGVfZGVidWdyZWcoNywgY3Vyci0+YXJjaC5kZWJ1Z3Jl Z1s3XSk7Cj4+ICAgICAgfQo+PiAgCj4+IC0gICAgLyogUmVsb2FkIEZQVSBzdGF0ZSBvbiBuZXh0 IEZQVSB1c2UuICovCj4+IC0gICAgc3R0cygpOwo+PiArICAgIC8qIFJlbG9hZCBGUFUgc3RhdGUg aW1tZWRpYXRlbHkgb3Igb24gbmV4dCBGUFUgdXNlLiAqLwo+PiArICAgIGlmICggY3Vyci0+YXJj aC5mdWxseV9lYWdlcl9mcHUgKQo+PiArICAgICAgICB2Y3B1X3Jlc3RvcmVfZnB1X2VhZ2VyKGN1 cnIpOwo+PiArICAgIGVsc2UKPj4gKyAgICAgICAgc3R0cygpOwo+IAo+IEhtbSAtIHRoaW5raW5n IGFib3V0IGl0LCB0aGlzIHNob3VsZCBlaXRoZXIgYmUgbm90aGluZywgb3IgYSBzdHJhaWdodAo+ IGNhbGwgdG8gdmNwdV9yZXN0b3JlX2ZwdV9lYWdlcihjdXJyKS4KPiAKPiBJZiBpdCBpcyBuZWNl c3NhcnkgaGVyZSwgdGhlbiBJIGNhbnQgc2VlIGhvdyB0aGUgbm9uLWxhenkgeHNhdmUgc3RhdGVz Cj4gY3VycmVudGx5IHdvcmsuCgpIbW0sIGluZGVlZCwgYW5kIHNhbWUgdGhlbiBpbiB0aGUgRUZJ IGNhc2UuCgo+IE9UT0gsIHdlIGNvdWxkIHByb2JhYmx5IGRyb3AgYSBsYXJnZSBxdWFudGl0eSBv ZiB0aGlzIGN1c3RvbQo+IHNhdmUvcmVzdG9yZSBsb2dpYyBpZiB3ZSBmb3JjZSBhIHRyYW5zaXRp b24gdG8gZnVsbCBpZGxlIGJlZm9yZSB0YWtpbmcKPiB0aGUgUzMgcGF0aCwgYXQgd2hpY2ggcG9p bnQgdGhlIG5vcm1hbCBjdHh0X3N3aXRjaF90bygpIHBhdGggc2hvdWxkIERUUlQuCgpSaWdodCwg YnV0IHRoYXQncyBub3Qgc29tZXRoaW5nIEknZCBjb25zaWRlciBmb3IgNC4xMS4gSW4gcGFydGlj dWxhciBJJ2QKd2FudCBzdWNoIGEgY2hhbmdlIHRvIGJlIHRocm91Z2hseSAob3ZlciBhbiBleHRl bmRlZCBwZXJpb2Qgb2YgdGltZSkKdGVzdGVkIGJ5IHNvbWVvbmUgYWN0aXZlbHkgdXNpbmcgUzMu IEl0IGFsc28gaXMgbm90IHJlYWxseSBhIGdvb2Qgb3B0aW9uCmZvciB0aGUgRUZJIHNpZGUgb2Yg dGhpbmdzLgoKSmFuCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qu b3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2 ZWw=