From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Borntraeger Subject: Re: [GIT PULL v2 1/5] processor.h: introduce cpu_relax_yield Date: Tue, 15 Nov 2016 14:52:03 +0100 Message-ID: <7ebfbdba-02bb-e837-dbce-6a5acaf3a374__19931.2772638679$1479218059$gmane$org@de.ibm.com> References: <1477386195-32736-1-git-send-email-borntraeger@de.ibm.com> <1477386195-32736-2-git-send-email-borntraeger@de.ibm.com> <20161115123029.GT1041@n2100.armlinux.org.uk> <7f7850e4-c7bb-9cc1-2d65-a1555e97988a@de.ibm.com> <20161115133758.GV1041@n2100.armlinux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1c6e9m-0000GM-LB for xen-devel@lists.xenproject.org; Tue, 15 Nov 2016 13:52:14 +0000 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uAFDnJAM063607 for ; Tue, 15 Nov 2016 08:52:10 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 26qx8wgepk-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 15 Nov 2016 08:52:10 -0500 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 15 Nov 2016 13:52:07 -0000 Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by d06dlp03.portsmouth.uk.ibm.com (Postfix) with ESMTP id 05ED21B0805F for ; Tue, 15 Nov 2016 13:54:21 +0000 (GMT) Received: from d06av10.portsmouth.uk.ibm.com (d06av10.portsmouth.uk.ibm.com [9.149.37.251]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id uAFDq52m28639238 for ; Tue, 15 Nov 2016 13:52:05 GMT Received: from d06av10.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av10.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id uAFCq5VE001872 for ; Tue, 15 Nov 2016 05:52:06 -0700 In-Reply-To: <20161115133758.GV1041@n2100.armlinux.org.uk> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Russell King - ARM Linux Cc: linux-arch@vger.kernel.org, linux-s390 , kvm@vger.kernel.org, Peter Zijlstra , Will Deacon , x86@kernel.org, Heiko Carstens , linux-kernel@vger.kernel.org, Nicholas Piggin , virtualization@lists.linux-foundation.org, sparclinux@vger.kernel.org, Noam Camus , Catalin Marinas , Martin Schwidefsky , xen-devel@lists.xenproject.org, linuxppc-dev@lists.ozlabs.org, Ingo Molnar List-Id: xen-devel@lists.xenproject.org T24gMTEvMTUvMjAxNiAwMjozNyBQTSwgUnVzc2VsbCBLaW5nIC0gQVJNIExpbnV4IHdyb3RlOgo+ IE9uIFR1ZSwgTm92IDE1LCAyMDE2IGF0IDAyOjE5OjUzUE0gKzAxMDAsIENocmlzdGlhbiBCb3Ju dHJhZWdlciB3cm90ZToKPj4gT24gMTEvMTUvMjAxNiAwMTozMCBQTSwgUnVzc2VsbCBLaW5nIC0g QVJNIExpbnV4IHdyb3RlOgo+Pj4gT24gVHVlLCBPY3QgMjUsIDIwMTYgYXQgMTE6MDM6MTFBTSAr MDIwMCwgQ2hyaXN0aWFuIEJvcm50cmFlZ2VyIHdyb3RlOgo+Pj4+IEZvciBzcGlubmluZyBsb29w cyBwZW9wbGUgZG8gb2Z0ZW4gdXNlIGJhcnJpZXIoKSBvciBjcHVfcmVsYXgoKS4KPj4+PiBGb3Ig bW9zdCBhcmNoaXRlY3R1cmVzIGNwdV9yZWxheCBhbmQgYmFycmllciBhcmUgdGhlIHNhbWUsIGJ1 dCBvbgo+Pj4+IHNvbWUgYXJjaGl0ZWN0dXJlcyBjcHVfcmVsYXggY2FuIGFkZCBzb21lIGxhdGVu Y3kuCj4+Pj4gRm9yIGV4YW1wbGUgb24gcG93ZXIsc3BhcmM2NCBhbmQgYXJjLCBjcHVfcmVsYXgg Y2FuIHNoaWZ0IHRoZSBDUFUKPj4+PiB0b3dhcmRzIG90aGVyIGhhcmR3YXJlIHRocmVhZHMgaW4g YW4gU01UIGVudmlyb25tZW50Lgo+Pj4+IE9uIHMzOTAgY3B1X3JlbGF4IGRvZXMgZXZlbiBtb3Jl LCBpdCB1c2VzIGFuIGh5cGVyY2FsbCB0byB0aGUKPj4+PiBoeXBlcnZpc29yIHRvIGdpdmUgdXAg dGhlIHRpbWVzbGljZS4KPj4+PiBJbiBjb250cmFzdCB0byB0aGUgU01UIHlpZWxkaW5nIHRoaXMg Y2FuIHJlc3VsdCBpbiBsYXJnZXIgbGF0ZW5jaWVzLgo+Pj4+IEluIHNvbWUgcGxhY2VzIHRoaXMg bGF0ZW5jeSBpcyB1bndhbnRlZCwgc28gYW5vdGhlciB2YXJpYW50Cj4+Pj4gImNwdV9yZWxheF9s b3dsYXRlbmN5IiB3YXMgaW50cm9kdWNlZC4gQmVmb3JlIHRoaXMgaXMgdXNlZCBpbiBtb3JlCj4+ Pj4gYW5kIG1vcmUgcGxhY2VzLCBsZXRzIHJldmVydCB0aGUgbG9naWMgYW5kIHByb3ZpZGUgYSBj cHVfcmVsYXhfeWllbGQKPj4+PiB0aGF0IGNhbiBiZSBjYWxsZWQgaW4gcGxhY2VzIHdoZXJlIHlp ZWxkaW5nIGlzIG1vcmUgaW1wb3J0YW50IHRoYW4KPj4+PiBsYXRlbmN5LiBCeSBkZWZhdWx0IHRo aXMgaXMgdGhlIHNhbWUgYXMgY3B1X3JlbGF4IG9uIGFsbCBhcmNoaXRlY3R1cmVzLgo+Pj4KPj4+ IFJhdGhlciB0aGFuIGhhdmluZyB0byB1cGRhdGUgYWxsIHRoZXNlIGFyY2hpdGVjdHVyZXMgaW4g dGhpcyB3YXksIGNhbid0Cj4+PiB3ZSBwdXQgaW4gc29tZSBsaW51eC8qLmggaGVhZGVyIHNvbWV0 aGluZyBsaWtlOgo+Pj4KPj4+ICNpZm5kZWYgY3B1X3JlbGF4X3lpZWxkCj4+PiAjZGVmaW5lIGNw dV9yZWxheF95aWVsZCgpIGNwdV9yZWxheCgpCj4+PiAjZW5kaWYKPj4+Cj4+PiBzbyBvbmx5IHRo b3NlIGFyY2hpdGVjdHVyZXMgdGhhdCBuZWVkIHRvIGRvIHNvbWV0aGluZyBuZWVkIHRvIGJlCj4+ PiBtb2RpZmllZD8KPj4KPj4gVGhlc2UgcGF0Y2hlcyBhcmUgcGFydCBvZiBsaW51eC1uZXh0IHNp bmNlIGEgbW9udGggb3Igc28sIGNoYW5naW5nIHRoYXQgCj4+IHdvdWxkIGludmFsaWRhdGUgYWxs IHRoZSBuZXh0IHRlc3RpbmcuIElmIHBlb3BsZSB3YW50IHRoYXQsIEkgY2FuIGNlcnRhaW5seQo+ PiBkbyB0aGF0LCB0aG91Z2guCj4gCj4gSXQncyB0aHJlZSB3ZWVrcyBzaW5jZSB5b3UgcG9zdGVk IHRoZW0uICBGb3Igb25lIG9mIHRob3NlIHdlZWtzICh0aGUKPiB3ZWVrIHlvdSBwb3N0ZWQgdGhl bSkgSSB3YXMgYXdheSwgYW5kIG1pc3NlZCB0aGVtIHdoaWxlIGNhdGNoaW5nIHVwLgo+IFNvcnJ5 LCBidXQgaXQgc29tZXRpbWVzIHRha2VzIGEgd2hpbGUgdG8gc3BvdCB0aGluZ3MgYW1vbmdzdCB0 aGUKPiBiYWNrbG9nLCBhbmQgbm9ybWFsbHkgdGFrZXMgc29tZSBzdWJzZXF1ZW50IGFjdGl2aXR5 IG9uIHRoZSB0aHJlYWQgdG8KPiBicmluZyBpdCBiYWNrIGludG8gdmlldy4KCkFic29sdXRlbHkg bm8gbmVlZCB0byBhcG9sb2dpemUuIFRoYW5rIHlvdSBmb3IgZG9pbmcgdGhlIHJldmlldyBhbmQg dGhlIHByb3Bvc2FsLiAKSSB3aWxsIGRvIHdoYXRldmVyIGlzIGNvbnNlbnN1cywgYnV0IHNpbmNl IHRoaXMgbG9va3MgbGlrZSB0aXAvbG9ja2luZyBtYXRlcmlhbApJIHdpbGwgd2FpdCBmb3IgUGV0 ZXIgb3IgSW5nbyB0byBkZWNpZGUgYWJvdXQgdGhlIGlmIGFuZCBob3cuCgpDaHJpc3RpYW4KCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwg bWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9y Zy94ZW4tZGV2ZWwK