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: Tue, 24 Jul 2018 13:13:18 -0700 Message-ID: References: <153156030832.10043.13438231886571087086.stgit@srivatsa-ubuntu> 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 1fi3hY-0006Nw-8k for xen-devel@lists.xenproject.org; Tue, 24 Jul 2018 20:14:32 +0000 In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jiri Kosina Cc: Dave Hansen , Wanpeng Li , Andi Kleen , 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 , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Jia Zhang , Andrew Morton , Linus Torvalds , David Woodhouse , KarimAllah Ahmed , Dave Hansen , linux@ List-Id: xen-devel@lists.xenproject.org T24gNy8yMy8xOCAzOjA2IFBNLCBKaXJpIEtvc2luYSB3cm90ZToKPiBPbiBTYXQsIDE0IEp1bCAy MDE4LCBTcml2YXRzYSBTLiBCaGF0IHdyb3RlOgo+IAo+PiBUaGlzIHBhdGNoIHNlcmllcyBpcyBh IGJhY2twb3J0IG9mIHRoZSBTcGVjdHJlLXYyIGZpeGVzIChJQlBCL0lCUlMpCj4+IGFuZCBwYXRj aGVzIGZvciB0aGUgU3BlY3VsYXRpdmUgU3RvcmUgQnlwYXNzIHZ1bG5lcmFiaWxpdHkgdG8gNC40 LnkKPj4gKHRoZXkgYXBwbHkgY2xlYW5seSBvbiB0b3Agb2YgNC40LjE0MCkuCj4gCj4gRldJVyAt LSBub3Qgc3VyZSBob3cgbXVjaCBpbnNwaXJhdGlvbiB5b3UgdG9vayBmcm9tIG91ciBTTEUgNC40 LWJhc2VkIAo+IHRyZWUsIGJ1dCBtb3N0IG9mIHRoZSBzdHVmZiBpcyBhbHJlYWR5IHRoZXJlIGZv ciBxdWl0ZSBzb21lIHRpbWUgCj4gKGluY2x1ZGluZyB0aGUgbm9uLXVwc3RyZWFtIElCUlMgb24g a2VybmVsIGJvdW5kYXJ5IG9uIFNLTCssIHRyYW1wb2xpbmUgCj4gc3RhY2sgZm9yIFBUSSAod2hp Y2ggdGhlIG9yaWdpbmFsIHBvcnQgZGlkbid0IGhhdmUpLCBldGMpLgo+IAo+IFRoZSBJQlJTIFNL TCsgc3R1ZmYgaGFzIG5vdCBiZWVuIHBpY2tlZCB1cCBieSBHcmVnLCBhcyBpdCdzIG5vbi11cHN0 cmVhbSwgCj4gYW5kIHRoZSB0cmFtcG9saW5lIHN0YWNrIEkgYmVsaWV2ZSB3YXMgcG9pbnRlZCBv dXQgdG8gc3RhYmxlQCwgYnV0IG5vb25lIAo+IHJlYWxseSBzYXQgZG93biBhbmQgZGlkIHRoZSBw b3J0IChvdXIgY29kZWJhc2UgaXMgZGlmZmVyZW50IHRoYW4gNC40LnggCj4gc3RhYmxlIGJhc2Up LCBidXQgaXQgZGVmaW5pdGVseSBzaG91bGQgYmUgZG9uZSBpZiBzb21lb25lIGhhcyB0byBwdXQg MTAwJSAKPiB0cnVzdCBpbnRvIHRoZSBQVEkgcG9ydCAoZWl0aGVyIHRoYXQsIG9yIGF0IGxlYXN0 IHplcm9pbmcgb3V0IHRoZSBrZXJuZWwgCj4gdGhyZWFkIHRocmVhZCBzdGFjayAuLi4gd2UgdXNl ZCB0byBoYXZlIHRlbXBvcmFyaWx5IHRoYXQgYmVmb3JlIHdlIAo+IHN3aXRjaGVkIG92ZXIgdG8g cHJvcGVyIGVudHJ5IHRyYW1wb2xpbmUgaW4gdGhpcyB2ZXJzaW9uIGFzIHdlbGwpLgo+IAoKSSBk aWQgZ2xhbmNlIGF0IHRoZSBTTEVTIDQuNCBrZXJuZWwgc29tZXRpbWUgYWdvLCBidXQgdGhlcmUg c2VlbWVkIHRvCmJlIHdheSB0b28gbWFueSBjdXN0b20gcGF0Y2hlcyBhbmQgSSB3YXNuJ3Qgc3Vy ZSBpbiB3aGF0IHdheXMgeW91cgpQVEkvU3BlY3RyZSBmaXhlcyBkZXBlbmRlZCBvbiB0aGUgb3Ro ZXIgKHg4NikgcGF0Y2hlcyBpbiB5b3VyIHRyZWUuIFNvCkkgZGVjaWRlZCB0byBiYWNrcG9ydCBl bnRpcmVseSBmcm9tIHRoZSA0Ljkgc3RhYmxlIHRyZWUgaW5zdGVhZC4gTXkKcmVhc29uaW5nIHdh cyB0aGF0LCBzaW5jZSB0aGUgNC45IHN0YWJsZSBwYXRjaGVzIHdlcmUgdHJ1c3RlZCB0byB3b3Jr CndlbGwsIHRoZWlyIDQuNCBiYWNrcG9ydHMgc2hvdWxkIHdvcmsgd2VsbCB0b28sIGFzIGxvbmcg YXMgdGhleSBhcmUKYmFja3BvcnRlZCBjb3JyZWN0bHkuCiAKSG93ZXZlciwgaWYgeW91IGFyZSBw cm9wb3NpbmcgdGhhdCB5b3UnZCBsaWtlIHRvIGNvbnRyaWJ1dGUgdGhlCmVuaGFuY2VkIFBUSS9T cGVjdHJlICh1cHN0cmVhbSkgcGF0Y2hlcyBmcm9tIHRoZSBTTEVTIDQuNCB0cmVlIHRvIDQuNApz dGFibGUsIGFuZCBoYXZlIHRoZW0gbWVyZ2VkIGluc3RlYWQgb2YgdGhpcyBwYXRjaCBzZXJpZXMs IHRoZW4gSQp3b3VsZCBjZXJ0YWlubHkgd2VsY29tZSBpdCEKClJlZ2FyZHMsClNyaXZhdHNhClZN d2FyZSBQaG90b24gT1MKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qu b3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2 ZWw=