From mboxrd@z Thu Jan 1 00:00:00 1970 From: Norbert Manthey Subject: Re: [PATCH SpectreV1+L1TF v4 03/11] config: introduce L1TF_LFENCE option Date: Thu, 24 Jan 2019 13:21:03 +0100 Message-ID: References: <1548244285-30813-1-git-send-email-nmanthey@amazon.de> <1548244285-30813-4-git-send-email-nmanthey@amazon.de> <2e60f86f-8bf4-43dc-4343-8074667b6f6d@arm.com> <5C486E780200007800210705@prv1-mh.provo.novell.com> <38cbf2d4-63fb-cafa-7007-cba7fee03786@arm.com> <5C487E1B020000780021078C@prv1-mh.provo.novell.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 1gme0a-00023N-B6 for xen-devel@lists.xenproject.org; Thu, 24 Jan 2019 12:21:24 +0000 In-Reply-To: <5C487E1B020000780021078C@prv1-mh.provo.novell.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: Jan Beulich , Julien Grall Cc: Tim Deegan , Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Dario Faggioli , Martin Pohlack , David Woodhouse , "Martin Mazein(amazein)" , xen-devel , Julian Stecklina , Bjoern Doebel List-Id: xen-devel@lists.xenproject.org Ck9uIDEvMjMvMTkgMTU6NDUsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDIzLjAxLjE5IGF0 IDE0OjQ0LCA8anVsaWVuLmdyYWxsQGFybS5jb20+IHdyb3RlOgo+PiBPbiAyMy8wMS8yMDE5IDEz OjM5LCBKYW4gQmV1bGljaCB3cm90ZToKPj4+Pj4+IE9uIDIzLjAxLjE5IGF0IDE0OjI0LCA8anVs aWVuLmdyYWxsQGFybS5jb20+IHdyb3RlOgo+Pj4+IE9uIDIzLzAxLzIwMTkgMTE6NTEsIE5vcmJl cnQgTWFudGhleSB3cm90ZToKPj4+Pj4gLS0tIGEveGVuL2luY2x1ZGUveGVuL25vc3BlYy5oCj4+ Pj4+ICsrKyBiL3hlbi9pbmNsdWRlL3hlbi9ub3NwZWMuaAo+Pj4+PiBAQCAtNjgsMTAgKzY4LDE4 IEBAIHN0YXRpYyBpbmxpbmUgYm9vbCBsZmVuY2VfdHJ1ZSh2b2lkKSB7IHJldHVybiB0cnVlOyB9 Cj4+Pj4+ICAgICNlbmRpZgo+Pj4+PiAgICAKPj4+Pj4gICAgLyoKPj4+Pj4gLSAqIHByb3RlY3Qg ZXZhbHVhdGlvbiBvZiBjb25kaXRpb25hbCB3aXRoIHJlc3BlY3QgdG8gc3BlY3VsYXRpb24KPj4+ Pj4gKyAqIGFsbG93IHRvIHByb3RlY3QgZXZhbHVhdGlvbiBvZiBjb25kaXRpb25hbCB3aXRoIHJl c3BlY3QgdG8gc3BlY3VsYXRpb24gb24geDg2Cj4+Pj4+ICAgICAqLwo+Pj4+PiAtI2RlZmluZSBl dmFsdWF0ZV9ub3NwZWMoY29uZGl0aW9uKSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgXAo+Pj4+PiArI2lmIGRlZmluZWQoQ09ORklHX0wxVEZfTEZFTkNFX05PTkUpIHx8ICFk ZWZpbmVkKENPTkZJR19YODYpCj4+Pj4+ICsjZGVmaW5lIGV2YWx1YXRlX25vc3BlYyhjb25kaXRp b24pIChjb25kaXRpb24pCj4+Pj4+ICsjZWxpZiBkZWZpbmVkKENPTkZJR19MMVRGX0xGRU5DRV9C T1RIKQo+Pj4+PiArI2RlZmluZSBldmFsdWF0ZV9ub3NwZWMoY29uZGl0aW9uKSAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgXAo+Pj4+PiAgICAgICAgKCgoY29uZGl0aW9u KSAmJiBsZmVuY2VfdHJ1ZSgpKSB8fCAhbGZlbmNlX3RydWUoKSkKPj4+Pj4gKyNlbGlmIGRlZmlu ZWQoQ09ORklHX0wxVEZfTEZFTkNFX1RSVUUpCj4+Pj4+ICsjZGVmaW5lIGV2YWx1YXRlX25vc3Bl Yyhjb25kaXRpb24pICgoY29uZGl0aW9uKSAmJiBsZmVuY2VfdHJ1ZSgpKQo+Pj4+PiArI2VsaWYg ZGVmaW5lZChDT05GSUdfTDFURl9MRkVOQ0VfSU5URVJNRURJQVRFKQo+Pj4+PiArI2RlZmluZSBl dmFsdWF0ZV9ub3NwZWMoY29uZGl0aW9uKSAoeyBib29sIHJlcyA9IChjb25kaXRpb24pOyBybWIo KTsgcmVzOyB9KQo+Pj4+ICsjZW5kaWYKPj4+Pgo+Pj4+IE5vbmUgb2YgdGhlIGNvbmZpZ3MgYXJl IGRlZmluZWQgb24gQXJtLCBzbyBjYW4gdGhpcyBiZSBtb3ZlZCBpbiBhcmNoLXg4Nj8KPj4+IFRv IGJlIGhvbmVzdCBJJ2QgbGlrZSB0byBhdm9pZCBpbnRyb2R1Y2luZyBhc20vbm9zcGVjLmggZm9y IHRoZSB0aW1lCj4+PiBiZWluZy4KPj4gSG93IGFib3V0IGFkZGluZyB0aGVtIGluIHN5c3RlbS5o IGFzIHdlIGRpZCBmb3IgYXJyYXlfaW5kZXhfbWFza19ub3NwZWM/Cj4gVG8gdGVsbCB5b3UgdGhl IHRydXRoLCB0aGF0J3Mgd2hlcmUgTm9yYmVydCBoYWQgaXQgb3JpZ2luYWxseS4KPiBJIHRoaW5r IHRoYXQncyBub3QgdGhlIHJpZ2h0IHBsYWNlIHRob3VnaCAoYWxzbyBmb3IKPiBhcnJheV9pbmRl eF9tYXNrX25vc3BlYygpKS4gQnV0IEknbGwgbGlzdGVuIHRvIGEgbWFqb3JpdHkKPiB0aGlua2lu ZyBkaWZmZXJlbnRseSwgYXQgbGVhc3QgYXMgZmFyIGFzIHdoYXQgaXMgY3VycmVudGx5Cj4gbGZl bmNlX3RydWUoKSBnb2VzLiBldmFsdWF0ZV9ub3NwZWMoKSwgb3RvaCwgYmVsb25ncyB3aGVyZQo+ IGl0IGlzIG5vdywgSSB0aGluay4KCkkgd2lsbCByZW5hbWUgdGhlIGxmZW5jZV90cnVlIG1hY3Jv IGludG8gImFyY2hfYmFycmllcl9ub3NwZWNfdHJ1ZSIuCkZ1cnRoZXJtb3JlLCBJIHdpbGwgbWVy Z2UgdGhlIGludHJvZHVjdGlvbiBvZiB0aGUgbWFjcm9zIHdpdGggdGhlCmludHJvZHVjdGlvbiBv ZiB0aGUgY29uZmlndXJhdGlvbiBhbmQgdGhlIGFsdGVybmF0aXZlIHBhdGNoaW5nLiBGaW5hbGx5 LApJJ2xsIHJldXNlIHRoZSBhcmNoX2JhcnJpZXJfbm9zcGVjX3RydWUgaW1wbGVtZW50YXRpb24g aW4gdGhlCmV2YWx1YXRlX25vc3BlYyBtYWNyby4KCkJlc3QsCk5vcmJlcnQKCj4KPiBKYW4KPgo+ CgoKCkFtYXpvbiBEZXZlbG9wbWVudCBDZW50ZXIgR2VybWFueSBHbWJICktyYXVzZW5zdHIuIDM4 CjEwMTE3IEJlcmxpbgpHZXNjaGFlZnRzZnVlaHJlcjogQ2hyaXN0aWFuIFNjaGxhZWdlciwgUmFs ZiBIZXJicmljaApVc3QtSUQ6IERFIDI4OSAyMzcgODc5CkVpbmdldHJhZ2VuIGFtIEFtdHNnZXJp Y2h0IENoYXJsb3R0ZW5idXJnIEhSQiAxNDkxNzMgQgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFu L2xpc3RpbmZvL3hlbi1kZXZlbA==