From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH SpectreV1+L1TF v4 04/11] x86/hvm: block speculative out-of-bound accesses Date: Fri, 01 Feb 2019 02:06:49 -0700 Message-ID: <5C540C2902000078002130EF@prv1-mh.provo.novell.com> References: <1548244285-30813-1-git-send-email-nmanthey@amazon.de> <1548244285-30813-5-git-send-email-nmanthey@amazon.de> <503e6a7a-43d4-c3fd-38bb-c9fa0d2743c1@citrix.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 1gpUmm-0004Jp-1l for xen-devel@lists.xenproject.org; Fri, 01 Feb 2019 09:06:56 +0000 In-Reply-To: <503e6a7a-43d4-c3fd-38bb-c9fa0d2743c1@citrix.com> 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 Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Tim Deegan , Ian Jackson , Dario Faggioli , Martin Pohlack , Julien Grall , nmanthey@amazon.de, "Martin Mazein(amazein)" , xen-devel , Julian Stecklina , David Woodhouse , Bjoern Doebel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDMxLjAxLjE5IGF0IDIwOjMxLCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMjMvMDEvMjAxOSAxMTo1MSwgTm9yYmVydCBNYW50aGV5IHdyb3RlOgo+PiAtLS0g YS94ZW4vYXJjaC94ODYvaHZtL2h2bS5jCj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni9odm0vaHZtLmMK Pj4gQEAgLTM3LDYgKzM3LDcgQEAKPj4gICNpbmNsdWRlIDx4ZW4vbW9uaXRvci5oPgo+PiAgI2lu Y2x1ZGUgPHhlbi93YXJuaW5nLmg+Cj4+ICAjaW5jbHVkZSA8eGVuL3ZwY2kuaD4KPj4gKyNpbmNs dWRlIDx4ZW4vbm9zcGVjLmg+Cj4+ICAjaW5jbHVkZSA8YXNtL3NoYWRvdy5oPgo+PiAgI2luY2x1 ZGUgPGFzbS9oYXAuaD4KPj4gICNpbmNsdWRlIDxhc20vY3VycmVudC5oPgo+PiBAQCAtMjEwMiw3 ICsyMTAzLDcgQEAgaW50IGh2bV9tb3ZfZnJvbV9jcih1bnNpZ25lZCBpbnQgY3IsIHVuc2lnbmVk IGludCBncHIpCj4+ICAgICAgY2FzZSAyOgo+PiAgICAgIGNhc2UgMzoKPj4gICAgICBjYXNlIDQ6 Cj4+IC0gICAgICAgIHZhbCA9IGN1cnItPmFyY2guaHZtLmd1ZXN0X2NyW2NyXTsKPj4gKyAgICAg ICAgdmFsID0gYXJyYXlfYWNjZXNzX25vc3BlYyhjdXJyLT5hcmNoLmh2bS5ndWVzdF9jciwgY3Ip Owo+IAo+IFRoaXMgaXMgYW4gaW50ZXJlc3RpbmcgY2FzZSAtIHdlIGRvbid0IGFjdHVhbGx5IG5l ZWQgcHJvdGVjdGlvbiBoZXJlLgo+IAo+IFRoaXMgcGF0aCBpcyBjYWxsZWQgZXhjbHVzaXZlbHkg ZnJvbSBpbnRlcmNlcHRzLCBzbyBjciBpcyBzdHJpY3RseSBvbmUKPiBvZiAwLCAyLCAzLCA0LCA4 IGV2ZW4gdW5kZXIgYWR2ZXJzYXJpYWwgc3BlY3VsYXRpb24uICBIb3dldmVyLCBhcwo+IGd1ZXN0 X2NyW10gaXMgb25seSA1IGVudHJpZXMgbG9uZywgdGhlIDggY2FzZSBjYW4gc3RpbGwgcmVzdWx0 IGluIGFuIE9vQgo+IHJlYWQuCj4gCj4gSG93ZXZlciwgZ2l2ZW4gdGhhdCB0aGUgOCBpbmRleCBp cyBpbiB0aGUgaHdfY3JbXSBhcnJheSBhbmQgZ3VhcmFudGVlZAo+IHRvIGJlIGluIHRoZSBjYWNo ZSBieSB0aGlzIHBvaW50LCBhbiBhdHRhY2tlciBjYW4ndCBnYWluIGFueSBhZGRpdGlvbmFsCj4g aW5mb3JtYXRpb24gYnkgcG9pc29uaW5nIHRoZSBzd2l0Y2ggbG9naWMuCgpRdWVzdGlvbiB0aG91 Z2ggaXMgLSBkbyB3ZSB3YW50IHRvIG1ha2UgdGhlIHNhZmV0eSBvZiBvdXIKY29kZSBkZXBlbmRl bnQgb24gc3VjaCAoZWFzaWx5IGFuZCB1bi1ub3RpY2VhYmx5IGNoYW5nZWFibGUpCmxheW91dCBj b25zaWRlcmF0aW9ucz8gSSdtIG5vdCBvcHBvc2VkIChhbmQgSSd2ZSB1c2VkIHNpbWlsYXIKYXJn dW1lbnRzIGZvciBvdmVycnVucyBieSAxIGVsc2V3aGVyZSwgYWxiZWl0IGluIGNhc2VzIHdoZXJl CnRoZSBsYXlvdXQgd2Fzbid0IGFzIGZhciBhd2F5IGZyb20gdGhlIGNvZGUgaW4gcXVlc3Rpb24g YXMgaXQKaXMgaGVyZSwgYW5kIHdoZXJlIHRoZSB0d28gZmllbGRzIHdlcmUgYWRqYWNlbnQpLCBi dXQgcGVyaGFwcwp3ZSdkIHRoZW4gd2FudCBhIEJVSUxEX0JVR19PTigpIHdpdGggYSBzdWl0YWJs ZSBjb21tZW50CihhbmQgY2FyZWZ1bGx5IGNvZGVkIHRvIGF2b2lkIHBvdGVudGlhbCBhcnJheS1p bmRleC1vdXQtb2YtCmJvdW5kcyBkaWFnbm9zdGljcyk/CgpKYW4KCgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9y Zy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==