From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH SpectreV1+L1TF v4 07/11] nospec: enable lfence on Intel Date: Thu, 24 Jan 2019 22:29:48 +0000 Message-ID: <996754ba-3eab-6e96-5f75-e7cafeef6503@citrix.com> References: <1548244285-30813-1-git-send-email-nmanthey@amazon.de> <1548244655-32180-7-git-send-email-nmanthey@amazon.de> 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 1gmnVS-000229-8L for xen-devel@lists.xenproject.org; Thu, 24 Jan 2019 22:29:54 +0000 In-Reply-To: <1548244655-32180-7-git-send-email-nmanthey@amazon.de> Content-Language: en-GB List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Norbert Manthey , 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 T24gMjMvMDEvMjAxOSAxMTo1NywgTm9yYmVydCBNYW50aGV5IHdyb3RlOgo+IFdoaWxlIHRoZSBs ZmVuY2UgaW5zdHJ1Y3Rpb24gd2FzIGFkZGVkIGZvciBhbGwgeDg2IHBsYXRmb3JtIGluIHRoZQo+ IGJlZ2lubmluZywgaXQncyB1c2VmdWwgdG8gbm90IGJsb2NrIHBsYXRmb3JtcyB0aGF0IGFyZSBu b3QgYWZmZWN0ZWQKPiBieSB0aGUgTDFURiB2dWxuZXJhYmlsaXR5LiBUaGVyZWZvcmUsIHRoZSBs ZmVuY2UgaW5zdHJ1Y3Rpb24gc2hvdWxkCj4gb25seSBiZSBpbnRyb2R1Y2VkLCBpbiBjYXNlIHRo ZSBjdXJyZW50IENQVSBpcyBhbiBJbnRlbCBDUFUgdGhhdCBpcwo+IGNhcGFibGUgb2YgaHlwZXIg dGhyZWFkaW5nLiBUaGlzIGNvbWJpbmF0aW9uIG9mIGZlYXR1cmVzIGlzIGFkZGVkCj4gdG8gdGhl IGZlYXR1cmVzIHRoYXQgYWN0aXZhdGUgdGhlIGFsdGVybmF0aXZlLgo+Cj4gVGhpcyBjb21taXQg aXMgcGFydCBvZiB0aGUgU3BlY3RyZVYxK0wxVEYgbWl0aWdhdGlvbiBwYXRjaCBzZXJpZXMuCj4K PiBTaWduZWQtb2ZmLWJ5OiBOb3JiZXJ0IE1hbnRoZXkgPG5tYW50aGV5QGFtYXpvbi5kZT4KPgo+ IC0tLQo+ICB4ZW4vaW5jbHVkZS94ZW4vbm9zcGVjLmggfCA4ICsrKysrKy0tCj4gIDEgZmlsZSBj aGFuZ2VkLCA2IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEv eGVuL2luY2x1ZGUveGVuL25vc3BlYy5oIGIveGVuL2luY2x1ZGUveGVuL25vc3BlYy5oCj4gLS0t IGEveGVuL2luY2x1ZGUveGVuL25vc3BlYy5oCj4gKysrIGIveGVuL2luY2x1ZGUveGVuL25vc3Bl Yy5oCj4gQEAgLTcsNiArNyw3IEBACj4gICNpZm5kZWYgWEVOX05PU1BFQ19ICj4gICNkZWZpbmUg WEVOX05PU1BFQ19ICj4gIAo+ICsjaW5jbHVkZSA8YXNtL2FsdGVybmF0aXZlLmg+Cj4gICNpbmNs dWRlIDxhc20vc3lzdGVtLmg+Cj4gIAo+ICAvKioKPiBAQCAtNjgsNyArNjksMTAgQEAgc3RhdGlj IGlubGluZSB1bnNpZ25lZCBsb25nIGFycmF5X2luZGV4X21hc2tfbm9zcGVjKHVuc2lnbmVkIGxv bmcgaW5kZXgsCj4gICAqIGFsbG93IHRvIGluc2VydCBhIHJlYWQgbWVtb3J5IGJhcnJpZXIgaW50 byBjb25kaXRpb25hbHMKPiAgICovCj4gICNpZmRlZiBDT05GSUdfWDg2Cj4gLXN0YXRpYyBpbmxp bmUgYm9vbCBsZmVuY2VfdHJ1ZSh2b2lkKSB7IHJtYigpOyByZXR1cm4gdHJ1ZTsgfQo+ICtzdGF0 aWMgaW5saW5lIGJvb2wgbGZlbmNlX3RydWUodm9pZCkgewo+ICsgICAgYWx0ZXJuYXRpdmUoIiIs ICJsZmVuY2UiLCBYODZfVkVORE9SX0lOVEVMKTsKClRoaXMgZG9lc24ndCBkbyB3aGF0IHlvdSBl eHBlY3QuwqAgSXQgd2lsbCBjYXVzZSB0aGUgbGZlbmNlcyB0byBiZQpwYXRjaGVkIGludG8gZXhp c3RlbmNlIG9uIGFueSBoYXJkd2FyZSB3aXRoIGFuIEZQVSAoYmVmb3JlIGEgcmVjZW50CnBhdGNo IG9mIG1pbmUpIG9yIHdpdGggVk1FIChhZnRlciBhIHJlY2VudCBwYXRjaCkuCgp+QW5kcmV3Cgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwg bWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3Rz LnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs