From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 2/3] x86/sysctl: Clean up XEN_SYSCTL_cpu_hotplug Date: Wed, 03 Apr 2019 02:53:57 -0600 Message-ID: <5CA474A5020000780022428C@prv1-mh.provo.novell.com> References: <1554235048-3373-1-git-send-email-andrew.cooper3@citrix.com> <1554235048-3373-3-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1554235048-3373-3-git-send-email-andrew.cooper3@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 Cc: Xen-devel , Wei Liu , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDAyLjA0LjE5IGF0IDIxOjU3LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gLS0tIGEveGVuL2FyY2gveDg2L3N5c2N0bC5jCj4gKysrIGIveGVuL2FyY2gveDg2L3N5 c2N0bC5jCj4gQEAgLTEzNywyNyArMTM3LDM1IEBAIGxvbmcgYXJjaF9kb19zeXNjdGwoCj4gICAg ICBjYXNlIFhFTl9TWVNDVExfY3B1X2hvdHBsdWc6Cj4gICAgICB7Cj4gICAgICAgICAgdW5zaWdu ZWQgaW50IGNwdSA9IHN5c2N0bC0+dS5jcHVfaG90cGx1Zy5jcHU7Cj4gKyAgICAgICAgYm9vbCBw bHVnOwo+ICsgICAgICAgIGxvbmcgKCpmbikodm9pZCAqKSA9IE5VTEw7Cj4gKyAgICAgICAgdm9p ZCAqaGNwdSA9IE5VTEw7CgpNYXkgSSBhc2sgdGhhdCB5b3UgY29uc2lzdGVudGx5IGluaXRpYWxp emUgKG9yIG5vdCkgYWxsIHRocmVlIG5ldwp2YXJpYWJsZXMgeW91IGludHJvZHVjZT8KCj4gICAg ICAgICAgc3dpdGNoICggc3lzY3RsLT51LmNwdV9ob3RwbHVnLm9wICkKPiAgICAgICAgICB7Cj4g ICAgICAgICAgY2FzZSBYRU5fU1lTQ1RMX0NQVV9IT1RQTFVHX09OTElORToKPiAtICAgICAgICAg ICAgcmV0ID0geHNtX3Jlc291cmNlX3BsdWdfY29yZShYU01fSE9PSyk7Cj4gLSAgICAgICAgICAg IGlmICggcmV0ICkKPiAtICAgICAgICAgICAgICAgIGJyZWFrOwo+IC0gICAgICAgICAgICByZXQg PSBjb250aW51ZV9oeXBlcmNhbGxfb25fY3B1KAo+IC0gICAgICAgICAgICAgICAgMCwgY3B1X3Vw X2hlbHBlciwgKHZvaWQgKikodW5zaWduZWQgbG9uZyljcHUpOwo+ICsgICAgICAgICAgICBwbHVn ID0gdHJ1ZTsKPiArICAgICAgICAgICAgZm4gPSBjcHVfdXBfaGVscGVyOwo+ICsgICAgICAgICAg ICBoY3B1ID0gKHZvaWQgKikodW5zaWduZWQgbG9uZyljcHU7CgpJIHdvbmRlciB3aGV0aGVyIGl0 IHdvdWxkbid0IGJlIGJldHRlciB0byBoYXZlIHRoaXMgY2FzdCBqdXN0Cm9uY2UsIC4uLgoKPiAg ICAgICAgICAgICAgYnJlYWs7Cj4gKwo+ICAgICAgICAgIGNhc2UgWEVOX1NZU0NUTF9DUFVfSE9U UExVR19PRkZMSU5FOgo+IC0gICAgICAgICAgICByZXQgPSB4c21fcmVzb3VyY2VfdW5wbHVnX2Nv cmUoWFNNX0hPT0spOwo+IC0gICAgICAgICAgICBpZiAoIHJldCApCj4gLSAgICAgICAgICAgICAg ICBicmVhazsKPiAtICAgICAgICAgICAgcmV0ID0gY29udGludWVfaHlwZXJjYWxsX29uX2NwdSgK PiAtICAgICAgICAgICAgICAgIDAsIGNwdV9kb3duX2hlbHBlciwgKHZvaWQgKikodW5zaWduZWQg bG9uZyljcHUpOwo+ICsgICAgICAgICAgICBwbHVnID0gZmFsc2U7Cj4gKyAgICAgICAgICAgIGZu ID0gY3B1X2Rvd25faGVscGVyOwo+ICsgICAgICAgICAgICBoY3B1ID0gKHZvaWQgKikodW5zaWdu ZWQgbG9uZyljcHU7Cj4gICAgICAgICAgICAgIGJyZWFrOwo+ICsKPiAgICAgICAgICBkZWZhdWx0 Ogo+IC0gICAgICAgICAgICByZXQgPSAtRUlOVkFMOwo+ICsgICAgICAgICAgICByZXQgPSAtRU9Q Tk9UU1VQUDsKPiAgICAgICAgICAgICAgYnJlYWs7Cj4gICAgICAgICAgfQo+ICsKPiArICAgICAg ICBpZiAoICFyZXQgKQo+ICsgICAgICAgICAgICByZXQgPSBwbHVnID8geHNtX3Jlc291cmNlX3Bs dWdfY29yZShYU01fSE9PSykKPiArICAgICAgICAgICAgICAgICAgICAgICA6IHhzbV9yZXNvdXJj ZV91bnBsdWdfY29yZShYU01fSE9PSyk7Cj4gKwo+ICsgICAgICAgIGlmICggIXJldCApCj4gKyAg ICAgICAgICAgIHJldCA9IGNvbnRpbnVlX2h5cGVyY2FsbF9vbl9jcHUoMCwgZm4sIGhjcHUpOwoK Li4uIGhlcmUuIFRoaXMgd291bGQgdGhlIGV2ZW4gZWxpbWluYXRlIHRoZSBuZWVkIGZvciAiaGNw dSIKYXMgYSBsb2NhbCB2YXJpYWJsZS4KClByZWZlcmFibHkgd2l0aCBib3RoIHJlbWFya3MgYWRk cmVzc2VkClJldmlld2VkLWJ5OiBKYW4gQmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+CgpKYW4K CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRl dmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==