From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Srivatsa S. Bhat" Subject: Re: [RESEND] Spectre-v2 (IBPB/IBRS) and SSBD fixes for 4.4.y Date: Mon, 23 Jul 2018 10:27:10 -0700 Message-ID: <6473ed58-ed67-82a0-0781-20ac7275be0e@csail.mit.edu> References: <153156030832.10043.13438231886571087086.stgit@srivatsa-ubuntu> <20180723112624.GA29710@kroah.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]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1fhedG-0001ys-7M for xen-devel@lists.xenproject.org; Mon, 23 Jul 2018 17:28:26 +0000 In-Reply-To: <20180723112624.GA29710@kroah.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: Greg KH Cc: Dave Hansen , Wanpeng Li , ak@linux.intel.com, linux-tip-commits@vger.kernel.org, Piotr Luc , Mel Gorman , arjan.van.de.ven@intel.com, xen-devel@lists.xenproject.org, Alexander Sergeyev , Brian Gerst , Andy Lutomirski , =?UTF-8?B?TWlja2HDq2xTYWxhw7xu?= , Thomas Gleixner , Joe Konno , Laura Abbott , Will Drewry , Jiri Kosina , linux-kernel@vger.kernel.org, Jia Zhang , Andrew Morton , torvalds@linux-foundation.org, dwmw@amazon.co.uk, karahmed@amazon.de, dave.hansen@linux.intel.com, linux@dominikbrodowski.net, Bo Gan , Andrey Ryabinin List-Id: xen-devel@lists.xenproject.org T24gNy8yMy8xOCA0OjI2IEFNLCBHcmVnIEtIIHdyb3RlOgo+IE9uIFNhdCwgSnVsIDE0LCAyMDE4 IGF0IDAyOjI1OjQzQU0gLTA3MDAsIFNyaXZhdHNhIFMuIEJoYXQgd3JvdGU6Cj4+IEhpIEdyZWcs Cj4+Cj4+IFRoaXMgcGF0Y2ggc2VyaWVzIGlzIGEgYmFja3BvcnQgb2YgdGhlIFNwZWN0cmUtdjIg Zml4ZXMgKElCUEIvSUJSUykKPj4gYW5kIHBhdGNoZXMgZm9yIHRoZSBTcGVjdWxhdGl2ZSBTdG9y ZSBCeXBhc3MgdnVsbmVyYWJpbGl0eSB0byA0LjQueQo+PiAodGhleSBhcHBseSBjbGVhbmx5IG9u IHRvcCBvZiA0LjQuMTQwKS4KPj4KPj4gSSB1c2VkIDQuOS55IGFzIG15IHJlZmVyZW5jZSB3aGVu IGJhY2twb3J0aW5nIHRvIDQuNC55IChhcyBJIHRob3VnaHQKPj4gdGhhdCB3b3VsZCBtaW5pbWl6 ZSB0aGUgYW1vdW50IG9mIGZpeGluZyB1cCBuZWNlc3NhcnkpLiBVbmZvcnR1bmF0ZWx5Cj4+IEkg aGFkIHRvIHNraXAgdGhlIEtWTSBmaXhlcyBmb3IgdGhlc2UgdnVsbmVyYWJpbGl0aWVzLCBhcyB0 aGUgS1ZNCj4+IGNvZGViYXNlIGlzIGRyYXN0aWNhbGx5IGRpZmZlcmVudCBpbiA0LjQgYXMgY29t cGFyZWQgdG8gNC45LiAoSSB0cmllZAo+PiBteSBiZXN0IHRvIGJhY2twb3J0IHRoZW0gaW5pdGlh bGx5LCBidXQgd2Fzbid0IGNvbmZpZGVudCB0aGF0IHRoZXkKPj4gd2VyZSBjb3JyZWN0LCBzbyBJ IGRlY2lkZWQgdG8gZHJvcCB0aGVtIGZyb20gdGhpcyBzZXJpZXMpLgo+Pgo+PiBZb3UnbGwgbm90 aWNlIHRoYXQgdGhlIGluaXRpYWwgZmV3IHBhdGNoZXMgaW4gdGhpcyBzZXJpZXMgaW5jbHVkZQo+ PiBjbGVhbnVwcyBldGMuLCB0aGF0IGFyZSBub24tY3JpdGljYWwgdG8gSUJQQi9JQlJTL1NTQkQu IE1vc3Qgb2YgdGhlc2UKPj4gcGF0Y2hlcyBhcmUgYWltZWQgYXQgZ2V0dGluZyB0aGUgY3B1ZmVh dHVyZS5oIHZzIGNwdWZlYXR1cmVzLmggc3BsaXQKPj4gaW50byA0LjQsIHNpbmNlIGEgbG90IG9m IHRoZSBzdWJzZXF1ZW50IHBhdGNoZXMgdXBkYXRlIHRoZXNlIGhlYWRlcnMuCj4+IE9uIG15IGZp cnN0IGF0dGVtcHQgdG8gYmFja3BvcnQgdGhlc2UgcGF0Y2hlcyB0byA0LjQueSwgSSBoYWQgYWN0 dWFsbHkKPj4gdHJpZWQgdG8gZG8gYWxsIHRoZSB1cGRhdGVzIG9uIHRoZSBjcHVmZWF0dXJlLmgg ZmlsZSBpdHNlbGYsIGJ1dCBpdAo+PiBzdGFydGVkIGdldHRpbmcgdmVyeSBjdW1iZXJzb21lLCBz byBJIHJlc29ydGVkIHRvIGJhY2twb3J0aW5nIHRoZQo+PiBjcHVmZWF0dXJlLmggdnMgY3B1ZmVh dHVyZXMuaCBzcGxpdCBhbmQgdGhlaXIgZGVwZW5kZW5jaWVzIGFzIHdlbGwuIEkKPj4gdGhpbmsg YXBhcnQgZnJvbSB0aGVzZSBpbml0aWFsIHBhdGNoZXMsIHRoZSByZXN0IG9mIHRoZSBwYXRjaHNl dAo+PiBkb2Vzbid0IGhhdmUgYWxsIHRoYXQgbXVjaCBub2lzZS4gCj4+Cj4+IFRoaXMgcGF0Y2hz ZXQgaGFzIGJlZW4gdGVzdGVkIG9uIGJvdGggSW50ZWwgYW5kIEFNRCBtYWNoaW5lcyAoSW50ZWwK Pj4gWGVvbiBDUFUgRTUtMjY2MCB2NCBhbmQgQU1EIEVQWUMgNzI4MSAxNi1Db3JlIFByb2Nlc3Nv ciwgcmVzcGVjdGl2ZWx5KQo+PiB3aXRoIHVwZGF0ZWQgbWljcm9jb2RlLiBBbGwgdGhlIHBhdGNo IGJhY2twb3J0cyBoYXZlIGJlZW4KPj4gaW5kZXBlbmRlbnRseSByZXZpZXdlZCBieSBNYXR0IEhl bHNsZXksIEFsZXhleSBNYWtoYWxvdiBhbmQgQm8gR2FuLgo+Pgo+PiBJIHdvdWxkIGFwcHJlY2lh dGUgaWYgeW91IGNvdWxkIGtpbmRseSBjb25zaWRlciB0aGVzZSBwYXRjaGVzIGZvcgo+PiByZXZp ZXcgYW5kIGluY2x1c2lvbiBpbiBhIGZ1dHVyZSA0LjQueSByZWxlYXNlLgo+IAo+IEdpdmVuIG5v IG9uZSBoYXMgY29tcGxhaW5lZCBhYm91dCB0aGVzZSB5ZXQsIEkndmUgcXVldWVkIHRoZW0gYWxs IHVwLAo+IGluY2x1ZGluZyB0aGUgMiBleHRyYSBvbmVzIHlvdSBzZW50IGFmdGVyd2FyZC4KPgpH cmVhdCEgVGhhbmsgeW91IHZlcnkgbXVjaCEKCj4gTGV0J3Mgc2VlIHdoYXQgYnJlYWtzIDopCj4g CgpIZWhlIDopCgpSZWdhcmRzLApTcml2YXRzYQpWTXdhcmUgUGhvdG9uIE9TCgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcg bGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9q ZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==