From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Gross Subject: Re: Supporting consistency of vcpu_runstate_info across cpus Date: Thu, 19 May 2016 10:49:11 +0200 Message-ID: <573D7E07.3050902@suse.com> References: <573D70F7.3000209@suse.com> 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 1b3Jdr-0007Qf-4D for xen-devel@lists.xenproject.org; Thu, 19 May 2016 08:49:15 +0000 In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper , xen-devel Cc: Stefano Stabellini , Wei Liu , "George.Dunlap@eu.citrix.com" , Ian Jackson , Tim Deegan , Jan Beulich List-Id: xen-devel@lists.xenproject.org T24gMTkvMDUvMTYgMTA6MDksIEFuZHJldyBDb29wZXIgd3JvdGU6Cj4gT24gMTkvMDUvMjAxNiAw ODo1MywgSnVlcmdlbiBHcm9zcyB3cm90ZToKPj4gQSBndWVzdCBrZXJuZWwgY2FuIHVzZSB0aGUg dmNwdV9vcCBoeXBlcmNhbGwgc3ViLW9wCj4+IFZDUFVPUF9yZWdpc3Rlcl9ydW5zdGF0ZV9tZW1v cnlfYXJlYSB0byBnZXQgYSBjb3B5IG9mIHRoZQo+PiB2Y3B1X3J1bnN0YXRlX2luZm8gb2YgYSB2 Y3B1IG1hcHBlZCBpbnRvIGl0cyBtZW1vcnkuIEFzIHRoaXMgc3RydWN0dXJlCj4+IGhhcyBubyB1 cGRhdGUgaW5kaWNhdG9yIGl0IGlzIG9ubHkgc2F2ZSB0byBiZSByZWFkIGJ5IHRoZSB2Y3B1IGl0 IGlzCj4+IGNvbnRhaW5pbmcgdGhlIHJ1bnN0YXRlIGluZm9ybWF0aW9uIG9mLgo+Pgo+PiBCZWlu ZyBhYmxlIHRvIHJlYWQgdGhlIHJ1bnN0YXRlIGluZm8gb2YgYW5vdGhlciBjcHUgaXMgcmVxdWly ZWQgZS5nLgo+PiBieSB0aGUgTGludXgga2VybmVsIHRvIGJlIGFibGUgdG8gY2FsY3VsYXRlIHZy dW50aW1lOiBzZWUKPj4KPj4gaHR0cDovL2xpc3RzLnhlbi5vcmcvYXJjaGl2ZXMvaHRtbC94ZW4t ZGV2ZWwvMjAxNi0wNS9tc2cwMTc5MC5odG1sCj4+Cj4+IEknZCBzdWdnZXN0IHRvIGFkZCBhbiAi dXBkYXRlIGluIHByb2dyZXNzIiBpbmRpY2F0b3IgaW4gdGhlIGhpZ2hlc3QKPj4gYml0IG9mIHZj cHVfcnVuc3RhdGVfaW5mby0+c3RhdGVfZW50cnlfdGltZSBhcyB0aGlzIHN0cnVjdHVyZSBlbGVt ZW50IGlzCj4+IGFscmVhZHkgdXNlZCB0byBkZXRlY3QgdmNwdSBzY2hlZHVsaW5nIHdoZW4gdmNw dV9ydW5zdGF0ZV9pbmZvIGlzIHJlYWQKPj4gYnkgdGhlIG93bmluZyB2Y3B1Lgo+Pgo+PiBUaGUg cXVlc3Rpb24gaXMgaG93IHRvIGVuYWJsZSBzZXR0aW5nIHRoaXMgaW5kaWNhdG9yLCBhcyB0aGUg Z3Vlc3QgbXVzdAo+PiBiZSBhYmxlIHRvIGNvcGUgd2l0aCBpdCAoSSBiZWxpZXZlIHRoZSBMaW51 eCBrZXJuZWwgd291bGQganVzdCBydW4gZmluZSwKPj4gYnV0IHdlIGNhbid0IGJlIHN1cmUgdGhp cyBpcyB0cnVlIGZvciBhbGwgZ3Vlc3RzKS4KPj4KPj4gSSBzZWUgdGhlIGZvbGxvd2luZyBwb3Nz aWJsZSBzb2x1dGlvbnM6Cj4+Cj4+IGEpIEludHJvZHVjZSBhIG5ldyB2Y3B1X29wIGh5cGVyY2Fs bCBzdWItb3AgZm9yIG1hcHBpbmcgdGhlCj4+ICAgIHZjcHVfcnVuc3RhdGVfaW5mbyB3aXRoIHVw ZGF0ZSBpbmRpY2F0b3Igc3VwcG9ydCAoYSBndWVzdCBzdXBwb3J0aW5nCj4+ICAgIHRoaXMgd291 bGQgdHJ5IHRoZSBuZXcgc3ViLW9wIGZpcnN0IGFuZCBjb3VsZCBmYWxsIGJhY2sgdG8KPj4gICAg VkNQVU9QX3JlZ2lzdGVyX3J1bnN0YXRlX21lbW9yeV9hcmVhIGluIGNhc2Ugb2YgRU5PU1lTKS4K Pj4KPj4gYikgQWRkIGEgdmlydHVhbCBNU1IgdG8gc3dpdGNoIG9uIHRoZSBmZWF0dXJlIChub3Qg YmVpbmcgYWJsZSB0byBzZXQgdGhlCj4+ICAgIGFwcHJvcHJpYXRlIGJpdCB3b3VsZCBpbmRpY2F0 ZSB0aGUgZmVhdHVyZSBub3QgYmVpbmcgYXZhaWxhYmxlKS4gVGhpcwo+PiAgICBpcyB0aGUgdmFy aWFudCBLVk0gaXMgdXNpbmcuIERvZXMgQVJNIGhhdmUgc29tZXRoaW5nIGxpa2UgTVNScz8KPj4K Pj4gYykgQWRkIGFub3RoZXIgaHlwZXJjYWxsIHRvIHN3aXRjaCBvbiB0aGUgZmVhdHVyZSAoc2lt aWxhciB0bwo+PiAgICBYRU5WRVJfZ2V0X2ZlYXR1cmVzIHdlIGNvdWxkIGhhdmUgYSBYRU5WRVJf c2V0X2ZlYXR1cmVzKS4KPj4KPj4gQW55IHByZWZlcmVuY2VzPwo+IAo+IEhvd2V2ZXIsIGlycmVz cGVjdGl2ZSBvZiBob3cgeW91IHNpZ25hbCB0aGUgcmVxdWVzdCBmb3IgbmV3IGJlaGF2aW91ciwK PiB5b3Ugc2hvdWxkIHNlZSBhYm91dCB1c2luZyBhIGxvY2tsZXNzIGNsb2NrIHJhdGhlciB0aGFu IGEgc2luZ2xlIGJpdCwgYXMKPiBhIHNpbmdsZSBiaXQgY2FuJ3QgaW5kaWNhdGUgdGhlIGNhc2Ug d2hlcmUgYSBjb21wbGV0ZSB1cGRhdGUgaGFzCj4gb2NjdXJyZWQgYmV0d2VlbiB0d28gc2FtcGxp bmdzLiAgVGhpcyB3aWxsIHByb2JhYmx5IHJlcXVpcmUgYW4gZXh0ZW5zaW9uCj4gdG8gdGhlIGN1 cnJlbnQgaW1wbGVtZW50YXRpb24sIGF0IHdoaWNoIHBvaW50IHlvdSBtaWdodCBiZSBhYmxlIHRv IGFkZCBhCj4gY2FwYWJpbGl0eSBmaWVsZCBhcyB3ZWxsLgoKVGhhdCdzIHRoZSByZWFzb24gSSd2 ZSBjaG9zZW4gc3RhdGVfZW50cnlfdGltZSBhcyB0aGUgaG9tZSBmb3IgdGhlIG5ldwpiaXQuIHN0 YXRlX2VudHJ5X3RpbWUgaXMgZ3VhcmFudGVlZCB0byBjaGFuZ2UgYmV0d2VlbiB0d28gdXBkYXRl cy4gU28KdGhlIGxvZ2ljIHdvdWxkIGxvb2sgbGlrZSB0aGUgZm9sbG93aW5nOgoKZG8gewogIG9s ZF9lbnRyeV90aW1lID0gUkVBRF9PTkNFKHItPnN0YXRlX2VudHJ5X3RpbWUpOwogIHJtYigpOwog IG5ld19zdGF0ZSA9IFJFQURfT05DRSgqcik7CiAgcm1iKCk7Cn0gd2hpbGUgKG5ld19zdGF0ZS5z dGF0ZV9lbnRyeV90aW1lICE9IG9sZF9lbnRyeV90aW1lIHx8CiAgICAgICAgIChvbGRfZW50cnlf dGltZSA+PiA2MykpOwoKPiBBbHRlcm5hdGl2ZWx5LCB0aGUgZWFzaWVzdCB3YXkgd2lsbCBwcm9i YWJseSBiZSB0byBhZGQgYSBuZXcgVk1BU1NJU1QsCj4gd2hpY2ggYWxsb3dzIHRoZSBndWVzdCB0 byBvcHQgaW50byB0aGUgbmV3IGJlaGF2aW91ci4KCkFhaCwgbmljZS4gWWVzLCB0aGlzIHNlZW1z IHRvIGJlIGEgc2Vuc2libGUgb3B0aW9uLgoKCkp1ZXJnZW4KCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1k ZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=