From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: backporting considerations (Re: [PATCH v9 0/9] xen/x86: various XPTI speedups) Date: Wed, 16 May 2018 14:18:57 +0100 Message-ID: References: <20180426113318.21838-1-jgross@suse.com> <5AFBF47E02000078001C3211@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 1fIwKb-0000V5-4H for xen-devel@lists.xenproject.org; Wed, 16 May 2018 13:19:01 +0000 Received: by mail-qt0-x243.google.com with SMTP id h2-v6so922672qtp.7 for ; Wed, 16 May 2018 06:18:59 -0700 (PDT) In-Reply-To: <5AFBF47E02000078001C3211@prv1-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich Cc: xen-devel List-Id: xen-devel@lists.xenproject.org T24gV2VkLCBNYXkgMTYsIDIwMTggYXQgMTA6MDYgQU0sIEphbiBCZXVsaWNoIDxKQmV1bGljaEBz dXNlLmNvbT4gd3JvdGU6Cj4+Pj4gT24gMjYuMDQuMTggYXQgMTM6MzMsIDxqZ3Jvc3NAc3VzZS5j b20+IHdyb3RlOgo+PiBKdWVyZ2VuIEdyb3NzICg5KToKPj4gICB4ODYveHB0aTogYXZvaWQgY29w eWluZyBMNCBwYWdlIHRhYmxlIGNvbnRlbnRzIHdoZW4gcG9zc2libGUKPj4gICB4ZW4veDg2OiBh ZGQgYSBmdW5jdGlvbiBmb3IgbW9kaWZ5aW5nIGNyMwo+PiAgIHhlbi94ODY6IHN1cHBvcnQgcGVy LWRvbWFpbiBmbGFnIGZvciB4cHRpCj4+ICAgeGVuL3g4NjogdXNlIGludnBjaWQgZm9yIGZsdXNo aW5nIHRoZSBUTEIKPj4gICB4ZW4veDg2OiBkaXNhYmxlIGdsb2JhbCBwYWdlcyBmb3IgZG9tYWlu cyB3aXRoIFhQVEkgYWN0aXZlCj4+ICAgeGVuL3g4NjogdXNlIGZsYWcgYnl0ZSBmb3IgZGVjaXNp b24gd2hldGhlciB4ZW5fY3IzIGlzIHZhbGlkCj4+ICAgeGVuL3g4NjogY29udmVydCBwdl9ndWVz dF9jcjRfdG9fcmVhbF9jcjQoKSB0byBhIGZ1bmN0aW9uCj4+ICAgeGVuL3g4NjogYWRkIHNvbWUg Y3IzIGhlbHBlcnMKPj4gICB4ZW4veDg2OiB1c2UgUENJRCBmZWF0dXJlCj4KPiBUaGlzIGJlaW5n IGEgcGVyZm9ybWFuY2UgaW1wcm92ZW1lbnQgcmF0aGVyIHRoYW4gYSBwbGFpbiBidWcgZml4IHNl cmllcywKPiBJJ20gbm90IGVudGlyZWx5IGNlcnRhaW4gYWJvdXQgYmFja3BvcnRpbmcgaGVyZS4g TXkgY3VycmVudCB0aGlua2luZyBpcyB0bwo+IHB1dCB0aGlzIGludG8gNC4xMCAoSsO8cmdlbiB3 YXMga2luZCBlbm91Z2ggdG8gZG8gdGhlIGJhY2twb3J0aW5nIHdvcmsKPiBhbHJlYWR5KSwgYnV0 IG5vdCBpbnRvIGFueSBvbGRlciB0cmVlcy4gT3RvaCBhdCBTVVNFIHdlIGFscmVhZHkgaGF2ZQo+ IHRoaXMgaW4gb3VyIDQuOS1iYXNlZCBicmFuY2ggYXMgd2VsbCwgYW5kIGlmIG90aGVyIGNvbnN1 bWVycyBvZiB0aGF0IG9yCj4gdGhlIDQuOCBicmFuY2ggd291bGQgbW9zdGx5IGFncmVlIGl0IHNo b3VsZCBnbyB0aGVyZSwgSSBjb3VsZCBjZXJ0YWlubHkKPiBiZSBjb252aW5jZWQuCgpUdXJuaW5n IG9uIFhQVEkgY2F1c2VzIGEgcHJldHR5IGxhcmdlIHJlZ3Jlc3Npb24gaW4gcGVyZm9ybWFuY2U7 IGFuZAp0aGVzZSByZWR1Y2UgdGhhdCByZWdyZXNzaW9uIHNpZ25pZmljYW50bHkuICBJJ20gcHJl dHR5IHN1cmUgdGhhdCBtb3N0CmRvd25zdHJlYW1zIHdpbGwgZW5kIHVwIGJhY2twb3J0aW5nIHRo ZXNlIGFueXdheSAoSSdtIHN1cmUgQ2VudE9TCndpbGwpOyBpdCdzIG11Y2ggYmV0dGVyIHRvIGRv IGl0IG9mZmljaWFsbHkgb25jZSwgcmF0aGVyIHRoYW4gaGF2ZQppbmRpdmlkdWFsIGRvd25zdHJl YW1zIChtb3N0IG9mIHdob20gZG8gbm90IGhhdmUgaHlwZXJ2aXNvciBkZXZlbG9wZXJzCm1haW50 YWluaW5nIHBhY2thZ2VzKSBhbGwgZG8gaXQgc2VwYXJhdGVseS4KCj4gSXQgaXMgaW1vIG91dCBv ZiBxdWVzdGlvbiBvZiBwdXR0aW5nIGl0IGludG8gNC43IG9yIG9sZGVyLgoKSXMgdGhhdCBiZWNh dXNlIG9mIHRoZSBjb21wbGV4aXR5PyAgT3IgYmVjYXVzZSA0LjcgaXMgaW4gInNlY3VyaXR5LW9u bHkiIG1vZGU/CgpJZiB0aGUgbGF0dGVyLCBJIHRoaW5rIHRoZSBzYW1lIGFyZ3VtZW50IGFwcGxp ZXM6IHR1cm5pbmcgb24gWFBUSSBpcyBhCnJlcXVpcmVtZW50IGZvciBtYW55IHBlb3BsZSwgYW5k IHRodXMgcmVwcmVzZW50cyBhIHByZXR0eSBoZWZ0eQpwZXJmb3JtYW5jZSByZWdyZXNzaW9uLiAg V2hpbGUgd2UgZG9uJ3QgbmVlZCB0byBiYWNrcG9ydCBub3JtYWwgZml4ZXMKdG8gc2VjdXJpdHkt b25seSByZWxlYXNlcywgd2Ugc2hvdWxkIGNlcnRhaW5seSB0cnkgdG8gYXZvaWQKcmVncmVzc2lv bnMuCgooTm90ZSB0aGF0IHRoaXMgZG9lc24ndCBtZWFuIHlvdSBwZXJzb25hbGx5IGhhdmUgdG8g ZG8gdGhlIHdvcmsgaWYgeW91CnRoaW5rIGl0J3Mgbm90IHdvcnRoIHlvdXIgdGltZS4pCgogLUdl b3JnZQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVu LWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6 Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==