From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: [PATCHv3 1/3] x86/fpu: improve check for XSAVE* not writing FIP/FDP fields Date: Thu, 25 Feb 2016 12:49:24 +0000 Message-ID: <56CEF854.9080604@citrix.com> References: <1456397884-661-1-git-send-email-david.vrabel@citrix.com> <1456397884-661-2-git-send-email-david.vrabel@citrix.com> <56CEF45A02000078000D61C4@prv-mh.provo.novell.com> <56CEF130.4090302@citrix.com> <56CF015802000078000D6284@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1aYvMH-0007xE-4c for xen-devel@lists.xenproject.org; Thu, 25 Feb 2016 12:49:29 +0000 In-Reply-To: <56CF015802000078000D6284@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich , David Vrabel Cc: Andrew Cooper , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org T24gMjUvMDIvMTYgMTI6MjcsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDI1LjAyLjE2IGF0 IDEzOjE4LCA8ZGF2aWQudnJhYmVsQGNpdHJpeC5jb20+IHdyb3RlOgo+PiBPbiAyNS8wMi8xNiAx MTozMiwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4+PiBPbiAyNS4wMi4xNiBhdCAxMTo1OCwgPGRh dmlkLnZyYWJlbEBjaXRyaXguY29tPiB3cm90ZToKPj4+PiBUaGUgcG9pc29uIHZhbHVlIGlzIGZp eGVkIGFuZCB0aHVzIGtub3dhYmxlIGJ5IGEgZ3Vlc3QgKG9yIGd1ZXN0Cj4+Pj4gdXNlcnNwYWNl KS4gIFRoaXMgY291bGQgYWxsb3cgdGhlIGd1ZXN0IHRvIGNhdXNlIFhlbiB0byBpbmNvcnJlY3Rs eQo+Pj4+IGRldGVjdCB0aGF0IHRoZSBmaWVsZCBoYXMgbm90IGJlZW4gd3JpdHRlbi4gIEJ1dDog YSkgdGhpcyByZXF1aXJlcyB0aGUKPj4+PiBGSVAgcmVnaXN0ZXIgdG8gYmUgYSBmdWxsIDY0IGJp dHMgaW50ZXJuYWxseSB3aGljaCBpcyBub3QgdGhlIGNhc2UgZm9yCj4+Pj4gYWxsIGN1cnJlbnQg QU1EIGFuZCBJbnRlbCBDUFVzOyBhbmQgYikgdGhpcyBvbmx5IGFsbG93cyB0aGUgZ3Vlc3QgKG9y Cj4+Pj4gYSBndWVzdCB1c2Vyc3BhY2UgcHJvY2VzcykgdG8gY29ycnVwdCBpdHMgb3duIHN0YXRl IChpLmUuLCBpdCBjYW5ub3QKPj4+PiBhZmZlY3QgdGhlIHN0YXRlIG9mIGFub3RoZXIgZ3Vlc3Qg b3IgYW5vdGhlciB1c2VyIHNwYWNlIHByb2Nlc3MpLgo+Pj4+Cj4+Pj4gVGhpcyByZXN1bHRzIGlu IHNtYWxsZXIgY29kZSB3aXRoIGZld2VyIGJyYW5jaGVzIGFuZCBpcyBtb3JlCj4+Pj4gdW5kZXJz dGFuZGFibGUuCj4+Pj4KPj4+PiBTaWduZWQtb2ZmLWJ5OiBEYXZpZCBWcmFiZWwgPGRhdmlkLnZy YWJlbEBjaXRyaXguY29tPgo+Pj4KPj4+IFBlbmRpbmcgY29uZmlybWF0aW9uIG9uIEZJUCByZWdp c3RlciB3aWR0aCBieSBhdCBsZWFzdCBJbnRlbCwKPj4+IFJldmlld2VkLWJ5OiBKYW4gQmV1bGlj aCA8amJldWxpY2hAc3VzZS5jb20+Cj4+Cj4+IEZvciBJbnRlbCBDUFVzLCBGSVAgaXMgNDgtYml0 cyBpbnRlcm5hbGx5IGFuZCBuZXdlciBDUFVzIGhhdmUgRlBDU0RTIGFuZAo+PiB0aHVzIHdlIHdp bGwgYWx3YXlzIHVzZSB0aGUgNjQtYml0IHNhdmUuCj4gCj4gSGFzIEludGVsIHRvbGQgeW91IChi dXQgbm90IHVzKSwgb3IgaXMgdGhpcyBqdXN0IGJhc2VkIG9uIGV4cGVyaW1lbnRzCj4geW91IGRp ZCwgb3IgcmUtc3RhdGluZyB3aGF0IEkndmUgZm91bmQgZnJvbSBleHBlcmltZW50aW5nPwoKSSdt IGp1c3QgcmVzdGF0aW5nIHRoaW5ncyBhbHJlYWR5IG1lbnRpb25lZCBpbiB0aGUgdmFyaW91cyB0 aHJlYWRzLgoKPj4gRm9yIEFNRCwgd2hpY2ggb25seSB3cml0ZXMgRklQIGFuZCBGRFAgaWYgYW4g ZXhjZXB0aW9uIGlzIHBlbmRpbmcsIGlmIGEKPj4gZ3Vlc3Qgd2FudGVkIHRvIHVzZSBGSVAgdG8g c3RvcmUgYW4gYXJiaXRyYXJ5IDY0LWJpdCB2YWx1ZSAoaW4gc29tZQo+PiBmdXR1cmUgQ1BVKSBp dCB3b3VsZCBoYXZlIHRvIG1hbnVhbGx5IHNldCBhbiBleGNlcHRpb24gYXMgcGVuZGluZy4gIEl0 cwo+PiBzZWVtcyBpbXBsYXVzaWJsZSB0aGF0IGFueSBzb2Z0d2FyZSB3b3VsZCBhY3R1YWxseSBk byB0aGlzLgo+IAo+IEFsbCBvZiB0aGVzZSB1c2VzIG9mIEZJUC9GRFAgYXJlIGltcGxhdXNpYmxl LCB5ZXQgd2UncmUgYWltaW5nIGF0Cj4gY29ycmVjdGx5IG1pbWlja2luZyBoYXJkd2FyZSBiZWhh dmlvciwgYWxsb3dpbmcgZm9sa3MgdG8gZXZlbiBkbwo+IGltcGxhdXNpYmxlIHRoaW5ncyB0aGF0 IHdvcmsgb24gYmFyZSBoYXJkd2FyZS4KCkkgdGhpbms6CgphKSBPbiBoYXJkd2FyZSB3aXRoIEZQ Q1NEUywgd2UgYWx3YXlzIGRvIGEgNjQtYml0IHNhdmUvcmVzdG9yZSBhbmQgdGh1cwphbHdheXMg bWF0Y2ggdGhlIGhhcmR3YXJlIGJlaGF2aW91ci4KCmIpIE9uIGhhcmR3YXJlIHdpdGhvdXQgRlBD U0RTIHdlIC9jYW5ub3QvIG1hdGNoIHRoZSBoYXJkd2FyZSBiZWhhdmlvdXIuCiBXZSBtdXN0IGhh dmUgc29tZSBzb3J0IG9mIGhldXJpc3RpYyB0byBjb3ZlciB0aGUgY29tbW9uIHVzZSBjYXNlcy4g IFRoZQpleGlzdGluZyBoZXVyaXN0aWMgaXMgL2FscmVhZHkvIGluYWRlcXVhdGUgc2luY2UgRHJp dmVyIFZlcmlmaWVyCmNvbmZ1c2VzIGl0LiBTbyBJTU8sIG1ha2luZyB0aGUgaGV1cmlzdGljIGEg dGVlbnksIHRpbnkgYml0IGxlc3MgcHJlY2lzZQpkb2Vzbid0IG1hdHRlci4KCmMpIEZvciB0aGUg dW5jb21tb24gdXNlIGNhc2VzLCB0aGVyZSBpcyBhbHdheXMgSFZNX1BBUkFNX1g4N19GSVBfV0lE VEgKdG8gZm9yY2UgYSBwYXJ0aWN1bGFyIGJlaGF2aW91ci4KCkRhdmlkCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0 Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=