From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [XTF PATCH] XSA-186: Work around suspected Broadwell TLB erratum Date: Fri, 28 Oct 2016 06:49:43 -0600 Message-ID: <58136587020000780011A84E@prv-mh.provo.novell.com> References: <58133FDD020000780011A704@prv-mh.provo.novell.com> <1477651015-14042-1-git-send-email-andrew.cooper3@citrix.com> <58135A9B020000780011A7E5@prv-mh.provo.novell.com> <17812335-b94b-aeb4-d8ac-ba184493758d@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <17812335-b94b-aeb4-d8ac-ba184493758d@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper Cc: Xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDI4LjEwLjE2IGF0IDE0OjM5LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMjgvMTAvMTYgMTM6MDMsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBPbiAyOC4x MC4xNiBhdCAxMjozNiwgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+IHdyb3RlOgo+Pj4gU2ln bmVkLW9mZi1ieTogQW5kcmV3IENvb3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KPj4g UmV2aWV3ZWQtYnk6IEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KPj4gKE1heWJlIHlv dSB3YW50IHRvIGRyb3AgdGhlIC4uLgo+Pgo+Pj4gLS0tIGEvdGVzdHMveHNhLTE4Ni9tYWluLmMK Pj4+ICsrKyBiL3Rlc3RzL3hzYS0xODYvbWFpbi5jCj4+PiBAQCAtMTQ0LDYgKzE0NCwyOSBAQCB2 b2lkIHRlc3RfbWFpbih2b2lkKQo+Pj4gICAgICBtZW1jcHkoc3R1YiwgaW5zbl9idWZfc3RhcnQs IGluc25fYnVmX2VuZCAtIGluc25fYnVmX3N0YXJ0KTsKPj4+ICAKPj4+ICAgICAgLyoKPj4+ICsg ICAgICogV29yayBhcm91bmQgc3VzcGVjdGVkIEJyb2Fkd2VsbCBUTEIgRXJyYXR1bQo+Pj4gKyAg ICAgKgo+Pj4gKyAgICAgKiBPY2Nhc2lvbmFsbHksIHRoaXMgdGVzdCBmYWlsZXMgd2l0aDoKPj4+ ICsgICAgICoKPj4+ICsgICAgICogICAtLS0gWGVuIFRlc3QgRnJhbWV3b3JrIC0tLQo+Pj4gKyAg ICAgKiAgIEVudmlyb25tZW50OiBIVk0gNjRiaXQgKExvbmcgbW9kZSA0IGxldmVscykKPj4+ICsg ICAgICogICBYU0EtMTg2IFBvQwo+Pj4gKyAgICAgKiAgICoqKioqKioqKioqKioqKioqKioqKioq KioqKioqKgo+Pj4gKyAgICAgKiAgIFBBTklDOiBVbmhhbmRsZWQgZXhjZXB0aW9uIGF0IDAwMDg6 ZmZmZmZmZmZmZmZmZmZmYQo+Pj4gKyAgICAgKiAgIFZlYyAxNCAjUEZbLUktc3ItXSAlY3IyIGZm ZmZmZmZmZmZmZmZmZmEKPj4+ICsgICAgICogICAqKioqKioqKioqKioqKioqKioqKioqKioqKioq KioKPj4+ICsgICAgICoKPj4+ICsgICAgICogb24gQnJvYWR3ZWxsIGhhcmR3YXJlLiAgVGhlIG1h cHBpbmcgaXMgZGVmaW5pdGVseSBwcmVzZW50IGFzIHRoZQo+Pj4gKyAgICAgKiBtZW1jcHkoKSBo YXMgYWxyZWFkeSBzdWNjZWVkZWQuICBJbnNlcnRpbmcgYW4gaW52bHBnIHJlc29sdmVzIHRoZQo+ Pj4gKyAgICAgKiBpc3N1ZSwgc3VnZ3Vlc3RpbmcgdGhhdCB0aGVyZSBpcyBhIHJhY2UgY29uZGl0 b24gYmV0d2VlbiBkVExCL2lUTEIKPj4gLi4uIHN0cmF5IHUgd2hpY2ggc2xpcHBlZCBpbnRvICJz dWdnZXN0aW5nIi4pCj4+Cj4+IEJ0dyAtIHdvdWxkIHlvdSBtaW5kIHRyeWluZyBzb21ldGhpbmcg ZWxzZTogSW5zdGVhZCBvZiB0aGUgSU5WTFBHLAo+PiBwdXQgYSBDUFVJRCBvciBzb21lIG90aGVy IHNlcmlhbGl6aW5nIGluc3RydWN0aW9uIGluIGhlcmUuIElTVFIgdGhhdAo+PiBmb3Igc2VsZiBt b2RpZnlpbmcgY29kZSB0aGlzIGlzIHJlcXVpcmVkLCBpLmUuIHRoZSBDUFUgY291bGQgaGF2ZSBi ZWVuCj4+IGZldGNoaW5nIGluc3RydWN0aW9ucyBhaGVhZCBvZiB0aGUgbWVtY3B5KCksIGFuZCBu b3RoaW5nIHdvdWxkIGJlCj4+IHRoZXJlIHRvIGZvcmNlIGl0IHRvIGRyb3Agd2hhdCBpdCBoYXMg YWxyZWFkeSBleGVjdXRlZCBzcGVjdWxhdGl2ZWx5LAo+PiBpbmNsdWRpbmcgdGhlIGV4Y2VwdGlv biB0b2tlbi4KPiAKPiBUaGF0IGlzIGFuIGludGVyZXN0aW5nIHBvaW50LCBidXQgc3RpbGwgZG9l c24ndCBleHBsYWluIHRoZSBzeW1wdG9tcy4gCj4gSWYgdGhlIGljYWNoZSB3YXNuJ3QgZmx1c2hl ZCwgd2UgbWlnaHQgZ2V0IGp1bmsgaW5zdHJ1Y3Rpb25zIGFuZCBhICNVRC8jR1AuCgpOby4gQXMg dGhlIHByb2Nlc3NvciBzcGVjdWxhdGVzIHRoZSBjYWxsLCBpdCB3b24ndCBiZSBhYmxlIHRvIGZl dGNoCnRoZSB0YXJnZXQgaW5zdHJ1Y3Rpb24gYW5kIGhlbmNlIHdvdWxkIGluc2VydCBhbiBleGNl cHRpb24gdG9rZW4KaW50byB0aGUgcXVldWUuIFRoZXJlIHdvdWxkIGJlIGp1bmsgaW5zdHJ1Y3Rp b24gYnl0ZXMgb25seSBpZiB0aGVyZQp3YXMgYSBwcmlvciBtYXBwaW5nIGZvciB0aGF0IHBhZ2Us IGJ1dCBhaXVpIGEgbWFwcGluZyBmb3IgdGhhdAphZGRyZXNzIGdldHMgZXN0YWJsaXNoZWQgZXhh Y3RseSBvbmNlLgoKPiBIb3dldmVyLCBpbiB0aGlzIGNhc2UgdGhlIGZhdWx0IGlzIGZvciBhbiBp bnN0cnVjdGlvbiBmZXRjaCBmcm9tIGEKPiBub24tcHJlc2VudCBwYWdlLCBub3QgYSBmYWlsdXJl IHRvIGV4ZWN1dGUgd2hhdCBpdCBmb3VuZCB0aGVyZS4KPiAKPiBJIGV4cGVjdCBhIGNwdWlkIGlu c3RydWN0aW9uIHdvdWxkIHJlc29sdmUgdGhlIGlzc3VlLCBidXQgaXQgYWxzbyBmb3JjZXMKPiBh IHZtZXhpdCB3aGljaCBjb21wbGljYXRlcyB0aGUgbWljcm9hcmNoaXRlY3R1cmFsIGludGVyYWN0 aW9ucyBoZXJlLiAKPiBTb21ldGhpbmcgZWxzZSwgbGlrZSBleGVjdXRpbmcgYW4gaW50MyB3aWxs IGFsc28gc2VyaWFsaXNlIHRoZSBwaXBlbGluZSwKPiBidXQgbm90IHZtZXhpdC4gIEkgd2lsbCB0 cnkgYW5kIGZpbmQgc29tZSB0aW1lIHRvIGV4cGVyaW1lbnQuCgpZb3UncmUgaW4gcmluZyAwLCBh cmVuJ3QgeW91PyBUaGF0IGdpdmVzIHlvdSBwbGVudHkgb2Ygc2VyaWFsaXppbmcKaW5zdHJ1Y3Rp b25zIHdoaWNoIGRvbid0IGRpcmVjdGx5IGludGVyYWN0IHdpdGggdGhlIFRMQnMuIEFuIExMRFQK d2l0aCBhIHplcm8gc2VsZWN0b3IgbWlnaHQgYmUgdGhlIG9uZSB3aXRoIGxlYXN0IHNpZGUgZWZm ZWN0cy4gQW5kCmluIGNhc2UgeW91J3JlIG5vdCBpbiByaW5nIDAsIG1ha2UgdXAgYW4gaW50ZXJy dXB0IGZyYW1lIGFuZApleGVjdXRlIGFuIElSRVQuCgpKYW4KCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRl dmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=