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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMjUuMDkuMTkgMTU6MTEsIEphbiBCZXVsaWNoIHdyb3RlOgo+IE9uIDI1LjA5LjIwMTkgMTQ6 NTgsIErDvHJnZW4gR3Jvw58gd3JvdGU6Cj4+IE9uIDI0LjA5LjE5IDEyOjUzLCBKYW4gQmV1bGlj aCB3cm90ZToKPj4+IE9uIDE0LjA5LjIwMTkgMTA6NTIsIEp1ZXJnZW4gR3Jvc3Mgd3JvdGU6Cj4+ Pj4gQEAgLTIwMTUsNyArMjA3OSw4IEBAIHN0YXRpYyB2b2lkIHNjaGVkX3NsYXZlKHZvaWQpCj4+ Pj4gICAgCj4+Pj4gICAgICAgIHBjcHVfc2NoZWR1bGVfdW5sb2NrX2lycShsb2NrLCBjcHUpOwo+ Pj4+ICAgIAo+Pj4+IC0gICAgc2NoZWRfY29udGV4dF9zd2l0Y2godnByZXYsIHNjaGVkX3VuaXQy dmNwdV9jcHUobmV4dCwgY3B1KSwgbm93KTsKPj4+PiArICAgIHNjaGVkX2NvbnRleHRfc3dpdGNo KHZwcmV2LCBzY2hlZF91bml0MnZjcHVfY3B1KG5leHQsIGNwdSksCj4+Pj4gKyAgICAgICAgICAg ICAgICAgICAgICAgICBpc19pZGxlX3VuaXQobmV4dCkgJiYgIWlzX2lkbGVfdW5pdChwcmV2KSwg bm93KTsKPj4+PiAgICB9Cj4+Pj4gICAgCj4+Pj4gICAgLyoKPj4+PiBAQCAtMjA3NSw3ICsyMTQw LDggQEAgc3RhdGljIHZvaWQgc2NoZWR1bGUodm9pZCkKPj4+PiAgICAgICAgcGNwdV9zY2hlZHVs ZV91bmxvY2tfaXJxKGxvY2ssIGNwdSk7Cj4+Pj4gICAgCj4+Pj4gICAgICAgIHZuZXh0ID0gc2No ZWRfdW5pdDJ2Y3B1X2NwdShuZXh0LCBjcHUpOwo+Pj4+IC0gICAgc2NoZWRfY29udGV4dF9zd2l0 Y2godnByZXYsIHZuZXh0LCBub3cpOwo+Pj4+ICsgICAgc2NoZWRfY29udGV4dF9zd2l0Y2godnBy ZXYsIHZuZXh0LAo+Pj4+ICsgICAgICAgICAgICAgICAgICAgICAgICAgIWlzX2lkbGVfdW5pdChw cmV2KSAmJiBpc19pZGxlX3VuaXQobmV4dCksIG5vdyk7Cj4+Pj4gICAgfQo+Pj4KPj4+IEFzIGEg bWlub3IgcmVtYXJrLCBJIHRoaW5rIGJldHdlZW4gc3VjaCBjb25zdHJ1Y3RzIGl0IHdvdWxkIGJl IGdvb2QKPj4+IGlmIHRoZXJlIHdhcyBubyBkaWZmZXJlbmNlLCB1bmxlc3MgdGhlcmUncyBhIHJl YXNvbiB0byBoYXZlIG9uZS4gWWV0Cj4+PiBpZiB0aGVyZSB3YXMgYSByZWFzb24sIGl0IHN1cmVs eSB3b3VsZCB3YW50IHRvIGJlIHNwZWxsZWQgb3V0Lgo+Pgo+PiBJIGd1ZXNzIHlvdSBtZWFuIGNo YW5naW5nIHRoZSBwYXJhbWV0ZXJzIG9mIHNjaGVkX2NvbnRleHRfc3dpdGNoKCk/IEkKPj4gY2Fu IGRvIHRoYXQuCj4gCj4gV2VsbCwgeWVzLCB0aGUgdHdvIHNpZGVzIG9mIHRoZSAmJiBpbiBvbmUg b2YgdGhlbS4KCkFoLCBva2F5LgoKPiAKPj4+PiAtLS0gYS94ZW4vaW5jbHVkZS9hc20teDg2L3Nt cC5oCj4+Pj4gKysrIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9zbXAuaAo+Pj4+IEBAIC03Niw2ICs3 Niw5IEBAIHZvaWQgc2V0X25yX3NvY2tldHModm9pZCk7Cj4+Pj4gICAgLyogUmVwcmVzZW50aW5n IEhUIGFuZCBjb3JlIHNpYmxpbmdzIGluIGVhY2ggc29ja2V0LiAqLwo+Pj4+ICAgIGV4dGVybiBj cHVtYXNrX3QgKipzb2NrZXRfY3B1bWFzazsKPj4+PiAgICAKPj4+PiArI2RlZmluZSBnZXRfY3B1 X2N1cnJlbnQoY3B1KSBcCj4+Pj4gKyAgICAoZ2V0X2NwdV9pbmZvX2Zyb21fc3RhY2soKHVuc2ln bmVkIGxvbmcpc3RhY2tfYmFzZVtjcHVdKS0+Y3VycmVudF92Y3B1KQo+Pj4KPj4+IEkgZG9uJ3Qg dGhpbmsgdGhpcyBjYW4gZ28gd2l0aG91dCBhIGNvbW1lbnQgY2xhcmlmeWluZyB1bmRlciB3aGF0 Cj4+PiAocHJldHR5IG5hcnJvdyBJIHRoaW5rKSBjb25kaXRpb25zIHRoaXMgaXMgbGVnaXRpbWF0 ZSB0byB1c2UuCj4+Cj4+IE9rYXkuIEknbGwgYWRkIGEgY29tbWVudCBsaWtlOiAidG8gYmUgdXNl ZCBvbmx5IHdoaWxlIG5vIGNvbnRleHQgc3dpdGNoCj4+IGNhbiBvY2N1ciBvbiB0aGUgY3B1Ii4K PiAKPiBUbyBiZSBjcnlzdGFsIGNsZWFyLCBJJ2QgYXBwZW5kICIsIGkuZS4gYnkgY2VydGFpbiBz Y2hlZHVsaW5nIGNvZGUgb25seSIuCgpGaW5lIHdpdGggbWUuCgoKSnVlcmdlbgoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5n IGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJv amVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=