From mboxrd@z Thu Jan 1 00:00:00 1970 From: Norbert Manthey Subject: Re: [PATCH SpectreV1+L1TF v4 07/11] nospec: enable lfence on Intel Date: Sun, 27 Jan 2019 21:09:46 +0100 Message-ID: <7b2d38cb-d61a-026f-63ca-e52f55cfa27b@amazon.de> References: <1548244285-30813-1-git-send-email-nmanthey@amazon.de> <1548244655-32180-7-git-send-email-nmanthey@amazon.de> <996754ba-3eab-6e96-5f75-e7cafeef6503@citrix.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 1gnqkm-0004Xh-Gz for xen-devel@lists.xenproject.org; Sun, 27 Jan 2019 20:10:04 +0000 In-Reply-To: <996754ba-3eab-6e96-5f75-e7cafeef6503@citrix.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrew Cooper , xen-devel@lists.xenproject.org Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Ian Jackson , Tim Deegan , Dario Faggioli , Martin Pohlack , Julien Grall , Bjoern Doebel , Jan Beulich , Martin Mazein , Julian Stecklina , David Woodhouse List-Id: xen-devel@lists.xenproject.org T24gMS8yNC8xOSAyMzoyOSwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBPbiAyMy8wMS8yMDE5IDEx OjU3LCBOb3JiZXJ0IE1hbnRoZXkgd3JvdGU6Cj4+IFdoaWxlIHRoZSBsZmVuY2UgaW5zdHJ1Y3Rp b24gd2FzIGFkZGVkIGZvciBhbGwgeDg2IHBsYXRmb3JtIGluIHRoZQo+PiBiZWdpbm5pbmcsIGl0 J3MgdXNlZnVsIHRvIG5vdCBibG9jayBwbGF0Zm9ybXMgdGhhdCBhcmUgbm90IGFmZmVjdGVkCj4+ IGJ5IHRoZSBMMVRGIHZ1bG5lcmFiaWxpdHkuIFRoZXJlZm9yZSwgdGhlIGxmZW5jZSBpbnN0cnVj dGlvbiBzaG91bGQKPj4gb25seSBiZSBpbnRyb2R1Y2VkLCBpbiBjYXNlIHRoZSBjdXJyZW50IENQ VSBpcyBhbiBJbnRlbCBDUFUgdGhhdCBpcwo+PiBjYXBhYmxlIG9mIGh5cGVyIHRocmVhZGluZy4g VGhpcyBjb21iaW5hdGlvbiBvZiBmZWF0dXJlcyBpcyBhZGRlZAo+PiB0byB0aGUgZmVhdHVyZXMg dGhhdCBhY3RpdmF0ZSB0aGUgYWx0ZXJuYXRpdmUuCj4+Cj4+IFRoaXMgY29tbWl0IGlzIHBhcnQg b2YgdGhlIFNwZWN0cmVWMStMMVRGIG1pdGlnYXRpb24gcGF0Y2ggc2VyaWVzLgo+Pgo+PiBTaWdu ZWQtb2ZmLWJ5OiBOb3JiZXJ0IE1hbnRoZXkgPG5tYW50aGV5QGFtYXpvbi5kZT4KPj4KPj4gLS0t Cj4+ICB4ZW4vaW5jbHVkZS94ZW4vbm9zcGVjLmggfCA4ICsrKysrKy0tCj4+ICAxIGZpbGUgY2hh bmdlZCwgNiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+Pgo+PiBkaWZmIC0tZ2l0IGEv eGVuL2luY2x1ZGUveGVuL25vc3BlYy5oIGIveGVuL2luY2x1ZGUveGVuL25vc3BlYy5oCj4+IC0t LSBhL3hlbi9pbmNsdWRlL3hlbi9ub3NwZWMuaAo+PiArKysgYi94ZW4vaW5jbHVkZS94ZW4vbm9z cGVjLmgKPj4gQEAgLTcsNiArNyw3IEBACj4+ICAjaWZuZGVmIFhFTl9OT1NQRUNfSAo+PiAgI2Rl ZmluZSBYRU5fTk9TUEVDX0gKPj4gIAo+PiArI2luY2x1ZGUgPGFzbS9hbHRlcm5hdGl2ZS5oPgo+ PiAgI2luY2x1ZGUgPGFzbS9zeXN0ZW0uaD4KPj4gIAo+PiAgLyoqCj4+IEBAIC02OCw3ICs2OSwx MCBAQCBzdGF0aWMgaW5saW5lIHVuc2lnbmVkIGxvbmcgYXJyYXlfaW5kZXhfbWFza19ub3NwZWMo dW5zaWduZWQgbG9uZyBpbmRleCwKPj4gICAqIGFsbG93IHRvIGluc2VydCBhIHJlYWQgbWVtb3J5 IGJhcnJpZXIgaW50byBjb25kaXRpb25hbHMKPj4gICAqLwo+PiAgI2lmZGVmIENPTkZJR19YODYK Pj4gLXN0YXRpYyBpbmxpbmUgYm9vbCBsZmVuY2VfdHJ1ZSh2b2lkKSB7IHJtYigpOyByZXR1cm4g dHJ1ZTsgfQo+PiArc3RhdGljIGlubGluZSBib29sIGxmZW5jZV90cnVlKHZvaWQpIHsKPj4gKyAg ICBhbHRlcm5hdGl2ZSgiIiwgImxmZW5jZSIsIFg4Nl9WRU5ET1JfSU5URUwpOwo+IFRoaXMgZG9l c24ndCBkbyB3aGF0IHlvdSBleHBlY3QuwqAgSXQgd2lsbCBjYXVzZSB0aGUgbGZlbmNlcyB0byBi ZQo+IHBhdGNoZWQgaW50byBleGlzdGVuY2Ugb24gYW55IGhhcmR3YXJlIHdpdGggYW4gRlBVIChi ZWZvcmUgYSByZWNlbnQKPiBwYXRjaCBvZiBtaW5lKSBvciB3aXRoIFZNRSAoYWZ0ZXIgYSByZWNl bnQgcGF0Y2gpLgoKQWZ0ZXIgbG9va2luZyBtb3JlIGludG8gdGhpcywgSSB3b3VsZCBpbnRyb2R1 Y2UgYW5vdGhlciBzeW50aGVzaXplZCBDUFUKZmVhdHVyZSBmbGFnLCBzbyB0aGF0IGFsdGVybmF0 aXZlIHBhdGNoaW5nIGNhbiB1c2UgdGhpcyBmbGFnIHRvIHBhdGNoCnRoZSBsZmVuY2UgaW4sIGlu IGNhc2UgdGhlIGRldGVjdGVkIHBsYXRmb3JtIGlzIHZ1bG5lcmFibGUgdG8gTDFURi4gSQp3b3Vs ZCBzZXQgdGhpcyBmbGFnIGJhc2VkIG9uIHdoZXRoZXIgYW4gTDFURiB2dWxuZXJhYmxlIHBsYXRm b3JtIGlzCmRldGVjdGVkLCBhbmQgYW4gaW50cm9kdWNlZCBjb21tYW5kIGxpbmUgb3B0aW9uIGRv ZXMgbm90IHByZXZlbnQgdGhpcy4KSXMgdGhpcyB3aGF0IHlvdSBlbnZpc2lvbiwgb3IgZG8gSSBt aXNzIHNvbWV0aGluZz8KCkJlc3QsCk5vcmJlcnQKCj4KPiB+QW5kcmV3CgoKCgpBbWF6b24gRGV2 ZWxvcG1lbnQgQ2VudGVyIEdlcm1hbnkgR21iSApLcmF1c2Vuc3RyLiAzOAoxMDExNyBCZXJsaW4K R2VzY2hhZWZ0c2Z1ZWhyZXI6IENocmlzdGlhbiBTY2hsYWVnZXIsIFJhbGYgSGVyYnJpY2gKVXN0 LUlEOiBERSAyODkgMjM3IDg3OQpFaW5nZXRyYWdlbiBhbSBBbXRzZ2VyaWNodCBDaGFybG90dGVu YnVyZyBIUkIgMTQ5MTczIEIKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2pl Y3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4t ZGV2ZWw=