From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH SpectreV1+L1TF v4 03/11] config: introduce L1TF_LFENCE option Date: Fri, 25 Jan 2019 06:09:45 -0700 Message-ID: <5C4B0A990200007800211210@prv1-mh.provo.novell.com> References: <1548244285-30813-1-git-send-email-nmanthey@amazon.de> <1548244285-30813-4-git-send-email-nmanthey@amazon.de> <5C4AE16D0200007800211142@prv1-mh.provo.novell.com> <9c750e44-c37d-3c87-0add-195cf9299429@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 1gn1F2-0006EX-9W for xen-devel@lists.xenproject.org; Fri, 25 Jan 2019 13:09:52 +0000 In-Reply-To: <9c750e44-c37d-3c87-0add-195cf9299429@amazon.de> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: nmanthey@amazon.de Cc: Tim Deegan , Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Dario Faggioli , Martin Pohlack , Julien Grall , David Woodhouse , "Martin Mazein(amazein)" , xen-devel , Julian Stecklina , Bjoern Doebel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDI1LjAxLjE5IGF0IDExOjUwLCA8bm1hbnRoZXlAYW1hem9uLmRlPiB3cm90ZToKPiBP biAxLzI1LzE5IDExOjE0LCBKYW4gQmV1bGljaCB3cm90ZToKPj4+Pj4gT24gMjQuMDEuMTkgYXQg MjI6MjksIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPiB3cm90ZToKPj4+IFdvcnNlIGlzIHRo ZSAiZXZhbHVhdGUgY29uZGl0aW9uLCBzdGFzaCByZXN1bHQsIGZlbmNlLCB1c2UgdmFyaWFibGUi Cj4+PiBvcHRpb24sIHdoaWNoIGlzIGFsbW9zdCBjb21wbGV0ZWx5IHVzZWxlc3MuICBJZiB5b3Ug d29yayBvdXQgdGhlCj4+PiByZXN1bHRpbmcgaW5zdHJ1Y3Rpb24gc3RyZWFtLCB5b3UnbGwgaGF2 ZSBhIGNvbmRpdGlvbmFsIGV4cHJlc3Npb24KPj4+IGNhbGN1bGF0ZWQgZG93biBpbnRvIGEgcmVn aXN0ZXIsIHRoZW4gYSBmZW5jZSwgdGhlbiBhIHRlc3QgcmVnaXN0ZXIgYW5kCj4+PiBjb25kaXRp b25hbCBqdW1wIGludG8gb25lIG9mIHR3byBiYXNpYyBibG9ja3MuICBUaGlzIHRha2VzIHRoZSBw ZXJmIGhpdCwKPj4+IGFuZCBkb2Vzbid0IHByb3RlY3QgZWl0aGVyIG9mIHRoZSBiYXNpYyBibG9j a3MgZm9yIHNwZWN1bGF0aXZlCj4+PiBtaXMtZXhlY3V0aW9uLgo+PiBIb3cgZG9lcyBpdCBub3Qg cHJvdGVjdCBhbnl0aGluZz8gSXQgc2hyaW5rcyB0aGUgc3BlY3VsYXRpb24gd2luZG93Cj4+IHRv IGp1c3QgdGhlIHJlZ2lzdGVyIHRlc3QgYW5kIGNvbmRpdGlvbmFsIGJyYW5jaCwgd2hpY2ggb3Vn aHQgdG8gYmUKPj4gZmFyIHNtYWxsZXIgdGhhbiB0aGF0IGJlaGluZCBhIG1lbW9yeSBhY2Nlc3Mg d2hpY2ggZmFpbHMgdG8gaGl0IGFueQo+PiBvZiB0aGUgY2FjaGVzIChhbmQgcGVyaGFwcyBldmVu IGFueSBvZiB0aGUgVExCcykuIFRoaXMgaXMgdGhlIG1vcmUKPj4gdGhhdCBMRkVOQ0UgZG9lcyBz cGVjaWZpY2FsbHkgbm90IHByZXZlbnQgaW5zbiBmZXRjaGluZyBmcm9tCj4+IGNvbnRpbnVpbmcu Cj4+Cj4+IFRoYXQgc2FpZCBJIGFncmVlIHRoYXQgdGhlIExGRU5DRSB3b3VsZCBiZXR0ZXIgc2l0 IGJldHdlZW4gdGhlCj4+IHJlZ2lzdGVyIHRlc3QgYW5kIHRoZSBjb25kaXRpb25hbCBicmFuY2gs IGJ1dCBhcyB3ZSd2ZSBzYWlkIHNvIG1hbnkKPj4gdGltZXMgYmVmb3JlIC0gdGhpcyBjYW4ndCBi ZSBhY2hpZXZlZCB3aXRob3V0IGNvbXBpbGVyIHN1cHBvcnQuIEl0J3MKPj4gc2FpZCBlbm91Z2gg dGhhdCB0aGUgZGVmYXVsdCAiY2MiIGNsb2JiZXIgb2YgYXNtKCktcyBvbiB4ODYgYWxvbmUKPj4g cHJldmVudHMgdGhpcyBmcm9tIHBvc3NpYmx5IHdvcmtpbmcsIHdoaWxlIG15IG92ZXIgZm91ciB5 ZWFyIG9sZAo+PiBwYXRjaCB0byBhZGQgYSBtZWFucyB0byBhdm9pZCB0aGlzIGhhcyBub3Qgc2Vl biBzdWZmaWNpZW50Cj4+IGNvbW1lbnRzIHRvIGdldCBpdCBpbnRvIHNvbWUgaG9wZWZ1bGx5IGFj Y2VwdGFibGUgc2hhcGUsIGJ1dCBhbHNvCj4+IGhhcyBub3QgYmVlbiBhcHByb3ZlZCBhcyBpcy4K Pj4KPj4gVGhlbiBhZ2FpbiwgZm9sbG93aW5nIGFuIGVhcmxpZXIgcmVwbHkgb2YgbWluZSBvbiBh bm90aGVyIHN1Yi0KPj4gdGhyZWFkLCBub3RoaW5nIHJlYWxseSBwcmV2ZW50cyB0aGUgY29tcGls ZXIgZnJvbSBtb3ZpbmcgYWhlYWQKPj4gYW5kIGZvbGRpbmcgdGhlIHR3byBMRkVOQ0VzIG9mIHRo ZSAiYm90aCBicmFuY2hlcyIgbW9kZWwgaW50bwo+PiBvbmUuIEl0IGp1c3Qgc28gaGFwcGVucyB0 aGF0IGFwcGFyZW50bHkgcmlnaHQgbm93IHRoaXMgbmV2ZXIKPj4gb2NjdXJzIChhc3N1bWluZyBO b3JiZXJ0IGhhcyBkb25lIGZ1bGwgZ2VuZXJhdGVkIGNvZGUgYW5hbHlzaXMKPj4gdG8gY29uZmly bSB0aGUgaW50ZW5kZWQgcGxhY2VtZW50KS4KPiAKPiBJIGFtIGhhcHB5IHRvIGp1bXAgYmFjayB0 byBteSBlYXJsaWVyIHZlcnNpb24gd2l0aG91dCBhIGNvbmZpZ3VyYXRpb24KPiBvcHRpb24gdG8g cHJvdGVjdCBib3RoIGJyYW5jaGVzIHdpdGggYSBsZmVuY2UgaW5zdHJ1Y3Rpb24sIHVzaW5nIGxv Z2ljCj4gb3BlcmF0b3JzLgoKSSBkb24ndCB1bmRlcnN0YW5kIHRoaXMsIEknbSBhZnJhaWQ6IFdo YXQgSSd2ZSBzYWlkIHdhcyB0byBzdXBwb3J0Cm15IHRoaW5raW5nIG9mIHRoZSAmJiArIHx8IHZh cmlhbnQgYmVpbmcgaWRlbnRpY2FsIGluIGNvZGUgYW5kIHJpc2sKdG8gdGhhdCB1c2luZyA/OiAu IEkuZS4gSSdtIG5vdCBhc2tpbmcgeW91IHRvIHN3aXRjaCBiYWNrLgoKSmFuCgoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5n IGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJv amVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=