From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrii Anisov Subject: [PATCH] xen:arm: we never get into schedule_tail() with prev==current Date: Wed, 8 May 2019 12:59:38 +0300 Message-ID: <1557309578-6436-1-git-send-email-andrii.anisov@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: xen-devel@lists.xenproject.org, Julien Grall , Stefano Stabellini , Andrii Anisov , Dario Faggioli List-Id: xen-devel@lists.xenproject.org RnJvbTogQW5kcmlpIEFuaXNvdiA8YW5kcmlpX2FuaXNvdkBlcGFtLmNvbT4KCkFSTSdzIHNjaGVk dWxlX3RhaWwoKSBpcyBjYWxsZWQgZnJvbSB0d28gcGxhY2VzOiBjb250ZXh0X3N3aXRjaCgpIGFu ZApjb250aW51ZV9uZXdfdmNwdSgpLiBCb3RoIGZ1bmN0aW9ucyBhcmUgYWx3YXlzIGNhbGxlZCB3 aXRoCnByZXYhPWN1cnJlbnQuIFNvIHJlcGxhY2UgdGhlIGNvcnJlc3BvbmRlbnQgY2hlY2sgaW4g c2NoZWR1bGVfdGFpbCgpCndpdGggQVNTRVJUKCkgd2hpY2ggaXMgdGhlIGRldmVsb3BtZW50IChk ZWJ1ZykgYnVpbGQgZ3VhcmQuCgpTaWduZWQtb2ZmLWJ5OiBBbmRyaWkgQW5pc292IDxhbmRyaWlf YW5pc292QGVwYW0uY29tPgotLS0KIHhlbi9hcmNoL2FybS9kb21haW4uYyB8IDUgKysrLS0KIDEg ZmlsZSBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0 IGEveGVuL2FyY2gvYXJtL2RvbWFpbi5jIGIveGVuL2FyY2gvYXJtL2RvbWFpbi5jCmluZGV4IDZk YzYzM2UuLjcyMWQ0MGUgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL2FybS9kb21haW4uYworKysgYi94 ZW4vYXJjaC9hcm0vZG9tYWluLmMKQEAgLTMwNSw2ICszMDUsOCBAQCBzdGF0aWMgdm9pZCB1cGRh dGVfcnVuc3RhdGVfYXJlYShzdHJ1Y3QgdmNwdSAqdikKIAogc3RhdGljIHZvaWQgc2NoZWR1bGVf dGFpbChzdHJ1Y3QgdmNwdSAqcHJldikKIHsKKyAgICBBU1NFUlQocHJldiAhPSBjdXJyZW50KTsK KwogICAgIGN0eHRfc3dpdGNoX2Zyb20ocHJldik7CiAKICAgICBjdHh0X3N3aXRjaF90byhjdXJy ZW50KTsKQEAgLTMxMyw4ICszMTUsNyBAQCBzdGF0aWMgdm9pZCBzY2hlZHVsZV90YWlsKHN0cnVj dCB2Y3B1ICpwcmV2KQogCiAgICAgY29udGV4dF9zYXZlZChwcmV2KTsKIAotICAgIGlmICggcHJl diAhPSBjdXJyZW50ICkKLSAgICAgICAgdXBkYXRlX3J1bnN0YXRlX2FyZWEoY3VycmVudCk7Cisg ICAgdXBkYXRlX3J1bnN0YXRlX2FyZWEoY3VycmVudCk7CiAKICAgICAvKiBFbnN1cmUgdGhhdCB0 aGUgdmNwdSBoYXMgYW4gdXAtdG8tZGF0ZSB0aW1lIGJhc2UuICovCiAgICAgdXBkYXRlX3ZjcHVf c3lzdGVtX3RpbWUoY3VycmVudCk7Ci0tIAoyLjcuNAoKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVs QGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1h bi9saXN0aW5mby94ZW4tZGV2ZWw= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18AB9C04A6B for ; 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[85.223.209.22]) by smtp.gmail.com with ESMTPSA id x2sm3779665ljx.13.2019.05.08.02.59.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 08 May 2019 02:59:40 -0700 (PDT) From: Andrii Anisov To: xen-devel@lists.xen.org Date: Wed, 8 May 2019 12:59:38 +0300 Message-Id: <1557309578-6436-1-git-send-email-andrii.anisov@gmail.com> X-Mailer: git-send-email 2.7.4 Subject: [Xen-devel] [PATCH] xen:arm: we never get into schedule_tail() with prev==current 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: xen-devel@lists.xenproject.org, Julien Grall , Stefano Stabellini , Andrii Anisov , Dario Faggioli MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190508095938.HivP_6-9U0qyup4KvaoJs-pEET-BXOcujDTLiCqbwzM@z> RnJvbTogQW5kcmlpIEFuaXNvdiA8YW5kcmlpX2FuaXNvdkBlcGFtLmNvbT4KCkFSTSdzIHNjaGVk dWxlX3RhaWwoKSBpcyBjYWxsZWQgZnJvbSB0d28gcGxhY2VzOiBjb250ZXh0X3N3aXRjaCgpIGFu ZApjb250aW51ZV9uZXdfdmNwdSgpLiBCb3RoIGZ1bmN0aW9ucyBhcmUgYWx3YXlzIGNhbGxlZCB3 aXRoCnByZXYhPWN1cnJlbnQuIFNvIHJlcGxhY2UgdGhlIGNvcnJlc3BvbmRlbnQgY2hlY2sgaW4g c2NoZWR1bGVfdGFpbCgpCndpdGggQVNTRVJUKCkgd2hpY2ggaXMgdGhlIGRldmVsb3BtZW50IChk ZWJ1ZykgYnVpbGQgZ3VhcmQuCgpTaWduZWQtb2ZmLWJ5OiBBbmRyaWkgQW5pc292IDxhbmRyaWlf YW5pc292QGVwYW0uY29tPgotLS0KIHhlbi9hcmNoL2FybS9kb21haW4uYyB8IDUgKysrLS0KIDEg ZmlsZSBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0 IGEveGVuL2FyY2gvYXJtL2RvbWFpbi5jIGIveGVuL2FyY2gvYXJtL2RvbWFpbi5jCmluZGV4IDZk YzYzM2UuLjcyMWQ0MGUgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL2FybS9kb21haW4uYworKysgYi94 ZW4vYXJjaC9hcm0vZG9tYWluLmMKQEAgLTMwNSw2ICszMDUsOCBAQCBzdGF0aWMgdm9pZCB1cGRh dGVfcnVuc3RhdGVfYXJlYShzdHJ1Y3QgdmNwdSAqdikKIAogc3RhdGljIHZvaWQgc2NoZWR1bGVf dGFpbChzdHJ1Y3QgdmNwdSAqcHJldikKIHsKKyAgICBBU1NFUlQocHJldiAhPSBjdXJyZW50KTsK KwogICAgIGN0eHRfc3dpdGNoX2Zyb20ocHJldik7CiAKICAgICBjdHh0X3N3aXRjaF90byhjdXJy ZW50KTsKQEAgLTMxMyw4ICszMTUsNyBAQCBzdGF0aWMgdm9pZCBzY2hlZHVsZV90YWlsKHN0cnVj dCB2Y3B1ICpwcmV2KQogCiAgICAgY29udGV4dF9zYXZlZChwcmV2KTsKIAotICAgIGlmICggcHJl diAhPSBjdXJyZW50ICkKLSAgICAgICAgdXBkYXRlX3J1bnN0YXRlX2FyZWEoY3VycmVudCk7Cisg ICAgdXBkYXRlX3J1bnN0YXRlX2FyZWEoY3VycmVudCk7CiAKICAgICAvKiBFbnN1cmUgdGhhdCB0 aGUgdmNwdSBoYXMgYW4gdXAtdG8tZGF0ZSB0aW1lIGJhc2UuICovCiAgICAgdXBkYXRlX3ZjcHVf c3lzdGVtX3RpbWUoY3VycmVudCk7Ci0tIAoyLjcuNAoKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVs QGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1h bi9saXN0aW5mby94ZW4tZGV2ZWw=