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spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iD755-0000Ga-QP; Wed, 25 Sep 2019 13:11:43 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iD754-0000GS-65 for xen-devel@lists.xenproject.org; Wed, 25 Sep 2019 13:11:42 +0000 X-Inumbo-ID: 038e7150-df96-11e9-bf31-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by localhost (Halon) with ESMTPS id 038e7150-df96-11e9-bf31-bc764e2007e4; Wed, 25 Sep 2019 13:11:41 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 9EDCBB152; Wed, 25 Sep 2019 13:11:40 +0000 (UTC) To: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= References: <20190914085251.18816-1-jgross@suse.com> <20190914085251.18816-35-jgross@suse.com> <76b8ac21-a20e-069a-c7a3-36b46b60d692@suse.com> From: Jan Beulich Message-ID: Date: Wed, 25 Sep 2019 15:11:40 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <76b8ac21-a20e-069a-c7a3-36b46b60d692@suse.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH v3 34/47] xen/sched: add fall back to idle vcpu when scheduling unit X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall , xen-devel@lists.xenproject.org, Dario Faggioli , Volodymyr Babchuk , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMjUuMDkuMjAxOSAxNDo1OCwgSsO8cmdlbiBHcm/DnyB3cm90ZToKPiBPbiAyNC4wOS4xOSAx Mjo1MywgSmFuIEJldWxpY2ggd3JvdGU6Cj4+IE9uIDE0LjA5LjIwMTkgMTA6NTIsIEp1ZXJnZW4g R3Jvc3Mgd3JvdGU6Cj4+PiBAQCAtMjAxNSw3ICsyMDc5LDggQEAgc3RhdGljIHZvaWQgc2NoZWRf c2xhdmUodm9pZCkKPj4+ICAgCj4+PiAgICAgICBwY3B1X3NjaGVkdWxlX3VubG9ja19pcnEobG9j aywgY3B1KTsKPj4+ICAgCj4+PiAtICAgIHNjaGVkX2NvbnRleHRfc3dpdGNoKHZwcmV2LCBzY2hl ZF91bml0MnZjcHVfY3B1KG5leHQsIGNwdSksIG5vdyk7Cj4+PiArICAgIHNjaGVkX2NvbnRleHRf c3dpdGNoKHZwcmV2LCBzY2hlZF91bml0MnZjcHVfY3B1KG5leHQsIGNwdSksCj4+PiArICAgICAg ICAgICAgICAgICAgICAgICAgIGlzX2lkbGVfdW5pdChuZXh0KSAmJiAhaXNfaWRsZV91bml0KHBy ZXYpLCBub3cpOwo+Pj4gICB9Cj4+PiAgIAo+Pj4gICAvKgo+Pj4gQEAgLTIwNzUsNyArMjE0MCw4 IEBAIHN0YXRpYyB2b2lkIHNjaGVkdWxlKHZvaWQpCj4+PiAgICAgICBwY3B1X3NjaGVkdWxlX3Vu bG9ja19pcnEobG9jaywgY3B1KTsKPj4+ICAgCj4+PiAgICAgICB2bmV4dCA9IHNjaGVkX3VuaXQy dmNwdV9jcHUobmV4dCwgY3B1KTsKPj4+IC0gICAgc2NoZWRfY29udGV4dF9zd2l0Y2godnByZXYs IHZuZXh0LCBub3cpOwo+Pj4gKyAgICBzY2hlZF9jb250ZXh0X3N3aXRjaCh2cHJldiwgdm5leHQs Cj4+PiArICAgICAgICAgICAgICAgICAgICAgICAgICFpc19pZGxlX3VuaXQocHJldikgJiYgaXNf aWRsZV91bml0KG5leHQpLCBub3cpOwo+Pj4gICB9Cj4+Cj4+IEFzIGEgbWlub3IgcmVtYXJrLCBJ IHRoaW5rIGJldHdlZW4gc3VjaCBjb25zdHJ1Y3RzIGl0IHdvdWxkIGJlIGdvb2QKPj4gaWYgdGhl cmUgd2FzIG5vIGRpZmZlcmVuY2UsIHVubGVzcyB0aGVyZSdzIGEgcmVhc29uIHRvIGhhdmUgb25l LiBZZXQKPj4gaWYgdGhlcmUgd2FzIGEgcmVhc29uLCBpdCBzdXJlbHkgd291bGQgd2FudCB0byBi ZSBzcGVsbGVkIG91dC4KPiAKPiBJIGd1ZXNzIHlvdSBtZWFuIGNoYW5naW5nIHRoZSBwYXJhbWV0 ZXJzIG9mIHNjaGVkX2NvbnRleHRfc3dpdGNoKCk/IEkKPiBjYW4gZG8gdGhhdC4KCldlbGwsIHll cywgdGhlIHR3byBzaWRlcyBvZiB0aGUgJiYgaW4gb25lIG9mIHRoZW0uCgo+Pj4gLS0tIGEveGVu L2luY2x1ZGUvYXNtLXg4Ni9zbXAuaAo+Pj4gKysrIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9zbXAu aAo+Pj4gQEAgLTc2LDYgKzc2LDkgQEAgdm9pZCBzZXRfbnJfc29ja2V0cyh2b2lkKTsKPj4+ICAg LyogUmVwcmVzZW50aW5nIEhUIGFuZCBjb3JlIHNpYmxpbmdzIGluIGVhY2ggc29ja2V0LiAqLwo+ Pj4gICBleHRlcm4gY3B1bWFza190ICoqc29ja2V0X2NwdW1hc2s7Cj4+PiAgIAo+Pj4gKyNkZWZp bmUgZ2V0X2NwdV9jdXJyZW50KGNwdSkgXAo+Pj4gKyAgICAoZ2V0X2NwdV9pbmZvX2Zyb21fc3Rh Y2soKHVuc2lnbmVkIGxvbmcpc3RhY2tfYmFzZVtjcHVdKS0+Y3VycmVudF92Y3B1KQo+Pgo+PiBJ IGRvbid0IHRoaW5rIHRoaXMgY2FuIGdvIHdpdGhvdXQgYSBjb21tZW50IGNsYXJpZnlpbmcgdW5k ZXIgd2hhdAo+PiAocHJldHR5IG5hcnJvdyBJIHRoaW5rKSBjb25kaXRpb25zIHRoaXMgaXMgbGVn aXRpbWF0ZSB0byB1c2UuCj4gCj4gT2theS4gSSdsbCBhZGQgYSBjb21tZW50IGxpa2U6ICJ0byBi ZSB1c2VkIG9ubHkgd2hpbGUgbm8gY29udGV4dCBzd2l0Y2gKPiBjYW4gb2NjdXIgb24gdGhlIGNw dSIuCgpUbyBiZSBjcnlzdGFsIGNsZWFyLCBJJ2QgYXBwZW5kICIsIGkuZS4gYnkgY2VydGFpbiBz Y2hlZHVsaW5nIGNvZGUgb25seSIuCgpKYW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3Rz LnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0 aW5mby94ZW4tZGV2ZWw=