From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 4/4] x86/PV: remove unnecessary toggle_guest_pt() overhead Date: Thu, 04 Apr 2019 03:42:08 -0600 Message-ID: <5CA5D170020000780022470E@prv1-mh.provo.novell.com> References: <5C88F524020000780021E12C@prv1-mh.provo.novell.com> <5C88F9F3020000780021E180@prv1-mh.provo.novell.com> <3282377e-f615-bd7b-bb6b-6e0a43a79e7c@citrix.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 1hByst-00021J-Oa for xen-devel@lists.xenproject.org; Thu, 04 Apr 2019 09:42:11 +0000 In-Reply-To: <3282377e-f615-bd7b-bb6b-6e0a43a79e7c@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrew Cooper , xen-devel Cc: George Dunlap , Wei Liu , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDAzLjA0LjE5IGF0IDIwOjMyLCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMTMvMDMvMjAxOSAxMjozOSwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+IFdoaWxlIHRo ZSBtZXJlIHVwZGF0aW5nIG9mIC0+cHZfY3IzIGFuZCAtPnJvb3RfcGd0X2NoYW5nZWQgYXJlbid0 IG92ZXJseQo+PiBleHBlbnNpdmUgKGJ1dCBzdGlsbCBuZWVkZWQgb25seSBmb3IgdGhlIHRvZ2ds ZV9ndWVzdF9tb2RlKCkgcGF0aCksIHRoZQo+PiBlZmZlY3Qgb2YgdGhlIGxhdHRlciBvbiB0aGUg ZXhpdC10by1ndWVzdCBwYXRoIGlzIG5vdCBpbnNpZ25pZmljYW50Lgo+PiBNb3ZlIHRoZSBsb2dp YyBpbnRvIHRvZ2dsZV9ndWVzdF9tb2RlKCkuCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IEphbiBCZXVs aWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KPiAKPiBXaGF0IGNhc2UgZG9lcyB0aGlzIG1ha2UgZmFz dGVyPyAgSSdtIHJlYWxseSBzdHJ1Z2dsaW5nIHRvIHNlZSBob3cgdGhpcwo+IGlzIHNhZmUuCgpU aGUgdHdvIGNhc2VzIHdoZXJlIHRvZ2dsZV9ndWVzdF9wdCgpIGdldHMgY2FsbGVkIChhbmQgdGhl bgppbiBwYWlycyk6IFNpbmNlIHdlIGtub3cgd2UncmUgZ29pbmcgdG8gc3dpdGNoIGJhY2sgdG8g dGhlCm9yaWdpbmFsIHBhZ2UgdGFibGVzIChvdGhlciB0aGFuIHdoZW4gY29taW5nIHRocm91Z2gK dG9nZ2xlX2d1ZXN0X21vZGUoKSksIHRoZXJlJ3Mgbm8gbmVlZCB0byByZXF1ZXN0IGFueSBzcGVj aWFsCmV4aXQtdG8tZ3Vlc3QgcHJvY2Vzc2luZyBieSBzZXR0aW5nIHJvb3RfcGd0X2NoYW5nZWQu IEltbyBpdAp3YXMgd3JvbmcgaW4gdGhlIGZpcnN0IHBsYWNlIHRvIGhhdmUgdGhpcyBjb2RlIGFk ZGVkIHRvCl90b2dnbGVfZ3Vlc3RfcHQoKS4gVGhlIHNlcGFyYXRpb24gb2YgdGhlIHR3byBmdW5j dGlvbnMgd2FzCnNwZWNpZmljYWxseSBkb25lIHNvIHRoYXQgdGhpbmdzIG9ubHkgYWZmZWN0aW5n IGEgbW9kZSBzd2l0Y2gKd291bGQgZ28gaW50byB0b2dnbGVfZ3Vlc3RfbW9kZSgpLCBub3QgdGhl IGNvbW1vbiBoZWxwZXIuCgpKYW4KCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVu cHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZv L3hlbi1kZXZlbA==