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Peter Anvin" , Davidlohr Bueso , Linus Torvalds , Andrew Morton , Tim Chen References: <1550095217-12047-1-git-send-email-longman@redhat.com> <20190214103715.GI32494@hirez.programming.kicks-ass.net> From: Waiman Long Openpgp: preference=signencrypt Autocrypt: addr=longman@redhat.com; prefer-encrypt=mutual; keydata= xsFNBFgsZGsBEAC3l/RVYISY3M0SznCZOv8aWc/bsAgif1H8h0WPDrHnwt1jfFTB26EzhRea XQKAJiZbjnTotxXq1JVaWxJcNJL7crruYeFdv7WUJqJzFgHnNM/upZuGsDIJHyqBHWK5X9ZO jRyfqV/i3Ll7VIZobcRLbTfEJgyLTAHn2Ipcpt8mRg2cck2sC9+RMi45Epweu7pKjfrF8JUY r71uif2ThpN8vGpn+FKbERFt4hW2dV/3awVckxxHXNrQYIB3I/G6mUdEZ9yrVrAfLw5M3fVU CRnC6fbroC6/ztD40lyTQWbCqGERVEwHFYYoxrcGa8AzMXN9CN7bleHmKZrGxDFWbg4877zX 0YaLRypme4K0ULbnNVRQcSZ9UalTvAzjpyWnlnXCLnFjzhV7qsjozloLTkZjyHimSc3yllH7 VvP/lGHnqUk7xDymgRHNNn0wWPuOpR97J/r7V1mSMZlni/FVTQTRu87aQRYu3nKhcNJ47TGY evz/U0ltaZEU41t7WGBnC7RlxYtdXziEn5fC8b1JfqiP0OJVQfdIMVIbEw1turVouTovUA39 Qqa6Pd1oYTw+Bdm1tkx7di73qB3x4pJoC8ZRfEmPqSpmu42sijWSBUgYJwsziTW2SBi4hRjU h/Tm0NuU1/R1bgv/EzoXjgOM4ZlSu6Pv7ICpELdWSrvkXJIuIwARAQABzR9Mb25nbWFuIExv bmcgPGxsb25nQHJlZGhhdC5jb20+wsF/BBMBAgApBQJYLGRrAhsjBQkJZgGABwsJCAcDAgEG FQgCCQoLBBYCAwECHgECF4AACgkQbjBXZE7vHeYwBA//ZYxi4I/4KVrqc6oodVfwPnOVxvyY oKZGPXZXAa3swtPGmRFc8kGyIMZpVTqGJYGD9ZDezxpWIkVQDnKM9zw/qGarUVKzElGHcuFN ddtwX64yxDhA+3Og8MTy8+8ZucM4oNsbM9Dx171bFnHjWSka8o6qhK5siBAf9WXcPNogUk4S fMNYKxexcUayv750GK5E8RouG0DrjtIMYVJwu+p3X1bRHHDoieVfE1i380YydPd7mXa7FrRl 7unTlrxUyJSiBc83HgKCdFC8+ggmRVisbs+1clMsK++ehz08dmGlbQD8Fv2VK5KR2+QXYLU0 rRQjXk/gJ8wcMasuUcywnj8dqqO3kIS1EfshrfR/xCNSREcv2fwHvfJjprpoE9tiL1qP7Jrq 4tUYazErOEQJcE8Qm3fioh40w8YrGGYEGNA4do/jaHXm1iB9rShXE2jnmy3ttdAh3M8W2OMK 4B/Rlr+Awr2NlVdvEF7iL70kO+aZeOu20Lq6mx4Kvq/WyjZg8g+vYGCExZ7sd8xpncBSl7b3 99AIyT55HaJjrs5F3Rl8dAklaDyzXviwcxs+gSYvRCr6AMzevmfWbAILN9i1ZkfbnqVdpaag QmWlmPuKzqKhJP+OMYSgYnpd/vu5FBbc+eXpuhydKqtUVOWjtp5hAERNnSpD87i1TilshFQm TFxHDzbOwU0EWCxkawEQALAcdzzKsZbcdSi1kgjfce9AMjyxkkZxcGc6Rhwvt78d66qIFK9D Y9wfcZBpuFY/AcKEqjTo4FZ5LCa7/dXNwOXOdB1Jfp54OFUqiYUJFymFKInHQYlmoES9EJEU yy+2ipzy5yGbLh3ZqAXyZCTmUKBU7oz/waN7ynEP0S0DqdWgJnpEiFjFN4/ovf9uveUnjzB6 lzd0BDckLU4dL7aqe2ROIHyG3zaBMuPo66pN3njEr7IcyAL6aK/IyRrwLXoxLMQW7YQmFPSw drATP3WO0x8UGaXlGMVcaeUBMJlqTyN4Swr2BbqBcEGAMPjFCm6MjAPv68h5hEoB9zvIg+fq M1/Gs4D8H8kUjOEOYtmVQ5RZQschPJle95BzNwE3Y48ZH5zewgU7ByVJKSgJ9HDhwX8Ryuia 79r86qZeFjXOUXZjjWdFDKl5vaiRbNWCpuSG1R1Tm8o/rd2NZ6l8LgcK9UcpWorrPknbE/pm MUeZ2d3ss5G5Vbb0bYVFRtYQiCCfHAQHO6uNtA9IztkuMpMRQDUiDoApHwYUY5Dqasu4ZDJk bZ8lC6qc2NXauOWMDw43z9He7k6LnYm/evcD+0+YebxNsorEiWDgIW8Q/E+h6RMS9kW3Rv1N qd2nFfiC8+p9I/KLcbV33tMhF1+dOgyiL4bcYeR351pnyXBPA66ldNWvABEBAAHCwWUEGAEC AA8FAlgsZGsCGwwFCQlmAYAACgkQbjBXZE7vHeYxSQ/+PnnPrOkKHDHQew8Pq9w2RAOO8gMg 9Ty4L54CsTf21Mqc6GXj6LN3WbQta7CVA0bKeq0+WnmsZ9jkTNh8lJp0/RnZkSUsDT9Tza9r GB0svZnBJMFJgSMfmwa3cBttCh+vqDV3ZIVSG54nPmGfUQMFPlDHccjWIvTvyY3a9SLeamaR jOGye8MQAlAD40fTWK2no6L1b8abGtziTkNh68zfu3wjQkXk4kA4zHroE61PpS3oMD4AyI9L 7A4Zv0Cvs2MhYQ4Qbbmafr+NOhzuunm5CoaRi+762+c508TqgRqH8W1htZCzab0pXHRfywtv 0P+BMT7vN2uMBdhr8c0b/hoGqBTenOmFt71tAyyGcPgI3f7DUxy+cv3GzenWjrvf3uFpxYx4 yFQkUcu06wa61nCdxXU/BWFItryAGGdh2fFXnIYP8NZfdA+zmpymJXDQeMsAEHS0BLTVQ3+M 7W5Ak8p9V+bFMtteBgoM23bskH6mgOAw6Cj/USW4cAJ8b++9zE0/4Bv4iaY5bcsL+h7TqQBH Lk1eByJeVooUa/mqa2UdVJalc8B9NrAnLiyRsg72Nurwzvknv7anSgIkL+doXDaG21DgCYTD wGA5uquIgb8p3/ENgYpDPrsZ72CxVC2NEJjJwwnRBStjJOGQX4lV1uhN1XsZjBbRHdKF2W9g weim8xU= Organization: Red Hat Message-ID: <5c373ba6-419e-c4d5-965f-a566a6182b28@redhat.com> Date: Thu, 14 Feb 2019 17:05:27 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20190214103715.GI32494@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: base64 Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Thu, 14 Feb 2019 22:05:32 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gMDIvMTQvMjAxOSAwNTozNyBBTSwgUGV0ZXIgWmlqbHN0cmEgd3JvdGU6Cj4gT24gV2Vk LCBGZWIgMTMsIDIwMTkgYXQgMDU6MDA6MTRQTSAtMDUwMCwgV2FpbWFuIExvbmcgd3JvdGU6 Cj4+IHY0Ogo+PiAgLSBSZW1vdmUgcndzZW0tc3BpbmxvY2suYyBhbmQgbWFrZSBhbGwgYXJj aHMgdXNlIHJ3c2VtLXhhZGQuYy4KPj4KPj4gdjM6Cj4+ICAtIE9wdGltaXplIF9fZG93bl9y ZWFkX3RyeWxvY2soKSBmb3IgdGhlIHVuY29udGVuZGVkIGNhc2UgYXMgc3VnZ2VzdGVkCj4+ ICAgIGJ5IExpbnVzLgo+Pgo+PiB2MjoKPj4gIC0gQWRkIHBhdGNoIDIgdG8gb3B0aW1pemUg X19kb3duX3JlYWRfdHJ5bG9jaygpIGFzIHN1Z2dlc3RlZCBieSBQZXRlclouCj4+ICAtIFVw ZGF0ZSBwZXJmb3JtYW5jZSB0ZXN0IGRhdGEgaW4gcGF0Y2ggMS4KPj4KPj4gVGhlIGdvYWwg b2YgdGhpcyBwYXRjaHNldCBpcyB0byByZW1vdmUgdGhlIGFyY2hpdGVjdHVyZSBzcGVjaWZp YyBmaWxlcwo+PiBmb3IgcndzZW0teGFkZCB0byBtYWtlIGl0IGVhc2VyIHRvIGFkZCBlbmhh bmNlbWVudHMgaW4gdGhlIGxhdGVyIHJ3c2VtCj4+IHBhdGNoZXMuIEl0IGFsc28gcmVtb3Zl cyB0aGUgbGVnYWN5IHJ3c2VtLXNwaW5sb2NrLmMgZmlsZSBhbmQgbWFrZSBhbGwKPj4gdGhl IGFyY2hpdGVjdHVyZXMgdXNlIG9uZSBzaW5nbGUgaW1wbGVtZW50YXRpb24gb2YgcndzZW0g LSByd3NlbS14YWRkLmMuCj4+Cj4+IFdhaW1hbiBMb25nICgzKToKPj4gICBsb2NraW5nL3J3 c2VtOiBSZW1vdmUgYXJjaCBzcGVjaWZpYyByd3NlbSBmaWxlcwo+PiAgIGxvY2tpbmcvcndz ZW06IFJlbW92ZSByd3NlbS1zcGlubG9jay5jICYgdXNlIHJ3c2VtLXhhZGQuYyBmb3IgYWxs Cj4+ICAgICBhcmNocwo+PiAgIGxvY2tpbmcvcndzZW06IE9wdGltaXplIGRvd25fcmVhZF90 cnlsb2NrKCkKPiBBY2tlZC1ieTogUGV0ZXIgWmlqbHN0cmEgKEludGVsKSA8cGV0ZXJ6QGlu ZnJhZGVhZC5vcmc+Cj4KPiB3aXRoIHRoZSBjYXZlYXQgdGhhdCBJJ20gaGFwcHkgdG8gZXhj aGFuZ2UgcGF0Y2ggMyBiYWNrIHRvIG15IGVhcmxpZXIKPiBzdWdnZXN0aW9uIGluIGNhc2Ug V2lsbCBleHBlc3NlcyBjb25jZXJucyB3cnQgdGhlIEFSTTY0IHBlcmZvcm1hbmNlIG9mCj4g TGludXMnIHN1Z2dlc3Rpb24uCgpJIGluc2VydGVkIGEgZmV3IGxvY2sgZXZlbnQgY291bnRl cnMgaW50byB0aGUgcndzZW0gdHJ5bG9jayBjb2RlOgoKc3RhdGljIGlubGluZSBpbnQgX19k b3duX3JlYWRfdHJ5bG9jayhzdHJ1Y3Qgcndfc2VtYXBob3JlICpzZW0pCnsKwqDCoMKgwqDC oMKgwqAgLyoKwqDCoMKgwqDCoMKgwqDCoCAqIE9wdGltaXplIGZvciB0aGUgY2FzZSB3aGVu IHRoZSByd3NlbSBpcyBub3QgbG9ja2VkIGF0IGFsbC4KwqDCoMKgwqDCoMKgwqDCoCAqLwrC oMKgwqDCoMKgwqDCoCBsb25nIHRtcCA9IFJXU0VNX1VOTE9DS0VEX1ZBTFVFOwoKwqDCoMKg wqDCoMKgwqAgbG9ja2V2ZW50X2luYyhyd3NlbV9ydHJ5bG9jayk7CsKgwqDCoMKgwqDCoMKg IGRvIHsKwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGlmIChhdG9taWNfbG9uZ190 cnlfY21weGNoZ19hY3F1aXJlKCZzZW0tPmNvdW50LCAmdG1wLArCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqAgdG1wICsgUldTRU1fQUNUSVZFX1JFQURfQklBUykpIHsKwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCByd3NlbV9zZXRfcmVhZGVyX293 bmVkKHNlbSk7CsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgcmV0dXJuIDE7CsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB9CsKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBsb2NrZXZlbnRfaW5jKHJ3c2VtX3J0cnlsb2NrX3Jl dHJ5KTsKwqDCoMKgwqDCoMKgwqAgfSB3aGlsZSAodG1wID49IDApOwrCoMKgwqDCoMKgwqDC oCBsb2NrZXZlbnRfaW5jKHJ3c2VtX3J0cnlsb2NrX2ZhaWwpOwrCoMKgwqDCoMKgwqDCoCBy ZXR1cm4gMDsKfQoKc3RhdGljIGlubGluZSBpbnQgX19kb3duX3dyaXRlX3RyeWxvY2soc3Ry dWN0IHJ3X3NlbWFwaG9yZSAqc2VtKQp7CsKgwqDCoMKgwqDCoMKgIGxvbmcgdG1wOwoKwqDC oMKgwqDCoMKgwqAgbG9ja2V2ZW50X2luYyhyd3NlbV93dHJ5bG9jayk7CsKgwqDCoMKgwqDC oMKgIHRtcCA9IGF0b21pY19sb25nX2NtcHhjaGdfYWNxdWlyZSgmc2VtLT5jb3VudCwgUldT RU1fVU5MT0NLRURfVkFMVUUsCsKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoCBSV1NFTV9BQ1RJVkVfV1JJVEVfQklBUyk7CsKgwqDCoMKgwqDCoMKgIGlmICh0 bXAgPT0gUldTRU1fVU5MT0NLRURfVkFMVUUpIHsKwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgIHJ3c2VtX3NldF9vd25lcihzZW0pOwrCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqAgcmV0dXJuIHRydWU7CsKgwqDCoMKgwqDCoMKgIH0KwqDCoMKgwqDCoMKgwqAgbG9j a2V2ZW50X2luYyhyd3NlbV93dHJ5bG9ja19mYWlsKTsKwqDCoMKgwqDCoMKgwqAgcmV0dXJu IGZhbHNlOwp9CgpJIGJvb3RlZCB0aGUgbmV3IGtlcm5lbCBvbiBhIDQtc29ja2V0IDU2LWNv cmUgMTEyLXRocmVhZCBCcm9hZHdlbGwKc3lzdGVtLiBUaGUgY291bnRlciB2YWx1ZXMKCjEp IEFmdGVyIGJvb3R1cDoKCnJ3c2VtX3J0cnlsb2NrPTc4NDAyOQpyd3NlbV9ydHJ5bG9ja19m YWlsPTU5CnJ3c2VtX3J0cnlsb2NrX3JldHJ5PTM5NApyd3NlbV93dHJ5bG9jaz0xODI4NApy d3NlbV93dHJ5bG9ja19mYWlsPTIzMAoKMikgQWZ0ZXIgcGFyYWxsZWwga2VybmVsIGJ1aWxk ICgtajExMik6Cgpyd3NlbV9ydHJ5bG9jaz0zMzg2Njc1NTkKcndzZW1fcnRyeWxvY2tfZmFp bD0xOApyd3NlbV9ydHJ5bG9ja19yZXRyeT01MQpyd3NlbV93dHJ5bG9jaz0xNzAxNjMzMgpy d3NlbV93dHJ5bG9ja19mYWlsPTk4MDU4CgpBdCBsZWFzdCBmb3IgdGhlc2UgdHdvIHVzZSBj YXNlcywgdHJ5LWZvci1vd25lcnNoaXAgYXMgc3VnZ2VzdGVkIGJ5CkxpbnVzIGlzIHRoZSBy aWdodCBjaG9pY2UuCgpDaGVlcnMsCkxvbmdtYW4KCg==