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Tue, 06 Apr 2021 06:00:51 -0700 (PDT) From: Andrea Merello To: tglx@linutronix.de, daniel.lezcano@linaro.org Cc: Andrea Merello , Patrice Chotard , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Michal Simek , =?UTF-8?q?S=C3=B6ren=20Brinkmann?= Subject: [PATCH v2 0/2] Fix missing entropy on Zynq arch due to get_cycles() not supported Date: Tue, 6 Apr 2021 15:00:43 +0200 Message-Id: <20210406130045.15491-1-andrea.merello@gmail.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210406_140053_337436_EA7B06F0 X-CRM114-Status: GOOD ( 15.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Q2hhbmdlcyB3cnQgdjE6CiAtIHJlYmFzZWQgb24gbGF0ZXN0IGtlcm5lbCB0cmVlCiAtIGZpeCBj b3ZlciBsZXR0ZXI6IGRvZXMgLT4gZG9lc24ndAoKQSByZWFsLXdvcmxkIHByb2JsZW0gaGFzIGJl ZW4gc2VlbiB3aXRoIGEgWnlucS1iYXNlZCBib2FyZCBydW5uaW5nCkRlYmlhbiAxMCwgd2hlcmUg c3NoIGRhZW1vbiB0YWtlcyBhIHJlYWxseSBsb25nIHRpbWUgdG8gY29tZSB1cCBhdCBib290LgpU aGlzIGlzIGR1ZSB0byBsYWNrIG9mIHJhbmRvbSBudW1iZXJzLgoKU2luY2UgY29tbWl0IDUwZWU3 NTI5ZWM0NTAgKCJyYW5kb206IHRyeSB0byBhY3RpdmVseSBhZGQgZW50cm9weSByYXRoZXIKdGhh biBwYXNzaXZlbHkgd2FpdCBmb3IgaXQiKSB3ZSB0cnkgdG8gZ2VuZXJhdGUgZW50cm9weSB3aGVu ZXZlciB3ZSBhcmUKaW4gc2hvcnQgb2YgcmFuZG9tIG51bWJlcnMgYW5kIHNvbWVvbmUgbmVlZHMg dGhlbS4KClRoaXMgdHJpY2sgd29ya3Mgb25seSB3aGVuIENQVSBjeWNsZSBjb3VudGVyIGlzIGF2 YWlsYWJsZS4gT24gQVJNIHRoaXMKbWVhbnMgdGhhdCBnZXRfY3ljbGVzKCkgd29ya3MgYW5kIGlu IHR1cm4gcmVhZF9jdXJyZW50X3RpbWVyKCkgd29ya3MuCgpaeW5xIEhXIGluY2x1ZGVzIHR3byAi Y2FkZW5jZSBUVEMiIHRpbWVycyBhbmQgdGhlICJBUk0gZ2xvYmFsIHRpbWVyIi4KQWxsIHRoZXNl IHBpZWNlcyBvZiBIVyBhcmUgZmVkIGJ5IHRoZSBDUFUgY2xvY2ssIHdoaWNoIGR5bmFtaWNhbGx5 CmNoYW5nZXMgd2hlbmV2ZXIgQ1BVIGZyZXF1ZW5jeSBzY2FsaW5nIGlzIGVuYWJsZWQuCgpJbiB0 aW1lci1jYWRlbmNlLXR0YyBkcml2ZXIgdGhpcyBzY2VuYXJpbyBpcyBoYW5kbGVkIGJ5IGxvb2tp bmcgYXQgcGFyZW50CmNsb2NrIGNoYW5nZXMgYW5kIGFkanVzdGluZyB0aGluZ3Mgd2hlbiByZXF1 aXJlZC4gVGhpcyBpcyB0aGUgb25seSB1c2FibGUKY2xvY2tzb3VyY2Ugd2hlbiBDUFUgZnJlcXVl bmN5IHNjYWxpbmcgaXMgaW4gdXNlLiBhcm1fZ2xvYmFsX3RpbWVyIGRyaXZlcgppcyBkaXNhYmxl ZCBpbiBLY29uZmlnIHdoZW4gQ1BVX0ZSRVEgaXMgZW5hYmxlZCBmb3IgWnlucSBhcmNoLgoKVW5m b3J0dW5hdGVseSB0aW1lci1jYWRlbmNlLXR0YyBkcml2ZXIgZG9lc24ndCByZWdpc3RlciBpdHNl bGYgdmlhCnJlZ2lzdGVyX2N1cnJlbnRfdGltZXJfZGVsYXkoKSBhbmQgdGhhdCB1bHRpbWF0ZWx5 IGVuZHMgdXAgaW4gZ2V0X2N5Y2xlcygpCnRvIGFsd2F5cyByZXR1cm4gemVybywgY2F1c2luZyB0 aGUgYWZvcmVtZW50aW9uZWQgbGFjayBvZiBlbnRyb3B5IHByb2JsZW0uCkkgYmVsaWV2ZSB0aGF0 IHRoZSByZWFzb24gZm9yIHRoaXMgaXMgYmVjYXVzZSBDYWRlbmNlIFRUQyBjb3VudGVyIG9uIFp5 bnEKc2lsaWNvbiBpcyBvbmx5IDE2LWJpdCB3aWRlLgoKVGhpcyBwYXRjaHNldCB3b3JrcyBhcm91 bmQgdGhpcyBieSBpbXBsZW1lbnRpbmcgaW4gQVJNIGdsb2JhbCB0aW1lciBkcml2ZXIKYSBtZWNo YW5pc20gdG8gY29tcGVuc2F0ZSBmb3IgcGFyZW50IGNsb2NrIHZhcmlhdGlvbnMsIHNpbWlsYXJs eSB0byB3aGF0Cml0J3MgZG9uZSBpbiBDYWRlbmNlIFRUQyB0aW1lciBkcml2ZXIsIHNvIHRoYXQg aXQgY2FuIGJlIHVzZWQgdG9nZXRoZXIKd2l0aCBDUFUgZnJlcXVlbmN5IHNjYWxpbmcgb24gWnlu cSBhcmNoLgoKVGhpcyBwcm92ZWQgdG8gZmluYWxseSBmaXggdGhlIHByb2JsZW0gb24gbXkgWnlu cS1iYXNlZCBaLXR1cm4gYm9hcmQuCgpTaWduZWQtb2ZmLWJ5OiBBbmRyZWEgTWVyZWxsbyA8YW5k cmVhLm1lcmVsbG9AZ21haWwuY29tPgpDYzogUGF0cmljZSBDaG90YXJkIDxwYXRyaWNlLmNob3Rh cmRAc3QuY29tPgpDYzogbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZwpDYzogbGludXgtYXJt LWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCkNjOiBNaWNoYWwgU2ltZWsgPG1pY2hhbC5zaW1l a0B4aWxpbnguY29tPgpDYzogU8O2cmVuIEJyaW5rbWFubiA8c29yZW4uYnJpbmttYW5uQHhpbGlu eC5jb20+CgpBbmRyZWEgTWVyZWxsbyAoMik6CiAgY2xvY2tzb3VyY2U6IGFybV9nbG9iYWxfdGlt ZXI6IGltcGxlbWVudCByYXRlIGNvbXBlbnNhdGlvbiB3aGVuZXZlcgogICAgc291cmNlIGNsb2Nr IGNoYW5nZXMKICBhcm06IHp5bnE6IGRvbid0IGRpc2FibGUgQ09ORklHX0FSTV9HTE9CQUxfVElN RVIgZHVlIHRvCiAgICBDT05GSUdfQ1BVX0ZSRVEgYW55bW9yZQoKIGFyY2gvYXJtL21hY2gtenlu cS9LY29uZmlnICAgICAgICAgICAgIHwgICAyICstCiBkcml2ZXJzL2Nsb2Nrc291cmNlL0tjb25m aWcgICAgICAgICAgICB8ICAxNCArKysKIGRyaXZlcnMvY2xvY2tzb3VyY2UvYXJtX2dsb2JhbF90 aW1lci5jIHwgMTIyICsrKysrKysrKysrKysrKysrKysrKysrLS0KIDMgZmlsZXMgY2hhbmdlZCwg MTI3IGluc2VydGlvbnMoKyksIDExIGRlbGV0aW9ucygtKQoKLS0KMi4xNy4xCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1h aWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xp c3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==