From mboxrd@z Thu Jan 1 00:00:00 1970 From: Volodymyr Babchuk Subject: Re: [PATCH v2 07/15] xen/arm64: Print a per-CPU message with the BP hardening method used Date: Fri, 9 Feb 2018 18:43:49 +0200 Message-ID: <20e918a4-efbb-611e-7b72-175934c33fc3@epam.com> References: <20180208192203.9556-1-julien.grall@arm.com> <20180208192203.9556-8-julien.grall@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180208192203.9556-8-julien.grall@arm.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Julien Grall , xen-devel@lists.xen.org Cc: sstabellini@kernel.org, andre.przywara@linaro.org List-Id: xen-devel@lists.xenproject.org CgpPbiAwOC4wMi4xOCAyMToyMSwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+IFRoaXMgd2lsbCBtYWtl IGVhc2llciB0byBrbm93IHdoZXRoZXIgQlAgaGFyZGVuaW5nIGhhcyBiZWVuIGVuYWJsZWQgZm9y Cj4gYSBDUFUgYW5kIHdoaWNoIG1ldGhvZCBpcyB1c2VkLgo+IAo+IFNpZ25lZC1vZmYtYnk6IEp1 bGllbiBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5jb20+IApSZXZpZXdlZC1ieTogVm9sb2R5bXly IEJhYmNodWsgPHZvbG9keW15cl9iYWJjaHVrQGVwYW0uY29tPgoKPiAtLS0KPiAgICAgIENoYW5n ZXMgaW4gdjI6Cj4gICAgICAgICAgLSBQYXRjaCBhZGRlZAo+IC0tLQo+ICAgeGVuL2FyY2gvYXJt L2NwdWVycmF0YS5jIHwgOSArKysrKysrLS0KPiAgIDEgZmlsZSBjaGFuZ2VkLCA3IGluc2VydGlv bnMoKyksIDIgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL3hlbi9hcmNoL2FybS9jcHVl cnJhdGEuYyBiL3hlbi9hcmNoL2FybS9jcHVlcnJhdGEuYwo+IGluZGV4IDljNzQ1OGVmMDYuLjY3 MDQ2NDhiMjYgMTAwNjQ0Cj4gLS0tIGEveGVuL2FyY2gvYXJtL2NwdWVycmF0YS5jCj4gKysrIGIv eGVuL2FyY2gvYXJtL2NwdWVycmF0YS5jCj4gQEAgLTc5LDcgKzc5LDggQEAgc3RhdGljIGJvb2wg Y29weV9oeXBfdmVjdF9icGkodW5zaWduZWQgaW50IHNsb3QsIGNvbnN0IGNoYXIgKmh5cF92ZWNf c3RhcnQsCj4gICBzdGF0aWMgYm9vbCBfX21heWJlX3VudXNlZAo+ICAgaW5zdGFsbF9icF9oYXJk ZW5pbmdfdmVjKGNvbnN0IHN0cnVjdCBhcm1fY3B1X2NhcGFiaWxpdGllcyAqZW50cnksCj4gICAg ICAgICAgICAgICAgICAgICAgICAgICAgY29uc3QgY2hhciAqaHlwX3ZlY19zdGFydCwKPiAtICAg ICAgICAgICAgICAgICAgICAgICAgIGNvbnN0IGNoYXIgKmh5cF92ZWNfZW5kKQo+ICsgICAgICAg ICAgICAgICAgICAgICAgICAgY29uc3QgY2hhciAqaHlwX3ZlY19lbmQsCj4gKyAgICAgICAgICAg ICAgICAgICAgICAgICBjb25zdCBjaGFyICpkZXNjKQo+ICAgewo+ICAgICAgIHN0YXRpYyBpbnQg bGFzdF9zbG90ID0gLTE7Cj4gICAgICAgc3RhdGljIERFRklORV9TUElOTE9DSyhicF9sb2NrKTsK PiBAQCAtOTQsNiArOTUsOSBAQCBpbnN0YWxsX2JwX2hhcmRlbmluZ192ZWMoY29uc3Qgc3RydWN0 IGFybV9jcHVfY2FwYWJpbGl0aWVzICplbnRyeSwKPiAgICAgICBpZiAoICFlbnRyeS0+bWF0Y2hl cyhlbnRyeSkgKQo+ICAgICAgICAgICByZXR1cm4gdHJ1ZTsKPiAgIAo+ICsgICAgcHJpbnRrKFhF TkxPR19JTkZPICJDUFUldSB3aWxsICVzIG9uIGV4Y2VwdGlvbiBlbnRyeVxuIiwKPiArICAgICAg ICAgICBzbXBfcHJvY2Vzc29yX2lkKCksIGRlc2MpOwo+ICsKPiAgICAgICAvKgo+ICAgICAgICAq IE5vIG5lZWQgdG8gaW5zdGFsbCBoYXJkZW5lZCB2ZWN0b3Igd2hlbiB0aGUgcHJvY2Vzc29yIGhh cwo+ICAgICAgICAqIElEX0FBNjRQUkYwX0VMMS5DU1YyIHNldC4KPiBAQCAtMTU3LDcgKzE2MSw4 IEBAIHN0YXRpYyBpbnQgZW5hYmxlX3BzY2lfYnBfaGFyZGVuaW5nKHZvaWQgKmRhdGEpCj4gICAg ICAgICovCj4gICAgICAgaWYgKCBwc2NpX3ZlciA+PSBQU0NJX1ZFUlNJT04oMCwgMikgKQo+ICAg ICAgICAgICByZXQgPSBpbnN0YWxsX2JwX2hhcmRlbmluZ192ZWMoZGF0YSwgX19wc2NpX2h5cF9i cF9pbnZhbF9zdGFydCwKPiAtICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg X19wc2NpX2h5cF9icF9pbnZhbF9lbmQpOwo+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICBfX3BzY2lfaHlwX2JwX2ludmFsX2VuZCwKPiArICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgImNhbGwgUFNDSSBnZXQgdmVyc2lvbiIpOwo+ICAgICAgIGVs c2UgaWYgKCAhd2FybmVkICkKPiAgICAgICB7Cj4gICAgICAgICAgIEFTU0VSVChzeXN0ZW1fc3Rh dGUgPCBTWVNfU1RBVEVfYWN0aXZlKTsKPiAKCi0tIApWb2xvZHlteXIgQmFiY2h1awoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5w cm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==