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GET /api/patches/810109/?format=api
{ "id": 810109, "url": "http://patchwork.ozlabs.org/api/patches/810109/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/1504615144-29770-3-git-send-email-gilad@benyossef.com/", "project": { "id": 7, "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api", "name": "Linux network development", "link_name": "netdev", "list_id": "netdev.vger.kernel.org", "list_email": "netdev@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1504615144-29770-3-git-send-email-gilad@benyossef.com>", "list_archive_url": null, "date": "2017-09-05T12:38:41", "name": "[v8,02/20] crypto: ccp: use -EAGAIN for transient busy indication", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": true, "hash": "d5215b03a80d7d653dfa094a76185c9933b21812", "submitter": { "id": 11198, "url": "http://patchwork.ozlabs.org/api/people/11198/?format=api", "name": "Gilad Ben-Yossef", "email": "gilad@benyossef.com" }, "delegate": { "id": 34, "url": "http://patchwork.ozlabs.org/api/users/34/?format=api", "username": "davem", "first_name": "David", "last_name": "Miller", "email": "davem@davemloft.net" }, "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/1504615144-29770-3-git-send-email-gilad@benyossef.com/mbox/", "series": [ { "id": 1573, "url": "http://patchwork.ozlabs.org/api/series/1573/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=1573", "date": "2017-09-05T12:38:39", "name": "simplify crypto wait for async op", "version": 8, "mbox": "http://patchwork.ozlabs.org/series/1573/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/810109/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/810109/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<netdev-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xmmWk1gkXz9sRV\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 5 Sep 2017 22:40:02 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751647AbdIEMj6 (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tTue, 5 Sep 2017 08:39:58 -0400", "from foss.arm.com ([217.140.101.70]:38974 \"EHLO foss.arm.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1751538AbdIEMju (ORCPT <rfc822;netdev@vger.kernel.org>);\n\tTue, 5 Sep 2017 08:39:50 -0400", "from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249])\n\tby usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 910141650;\n\tTue, 5 Sep 2017 05:39:49 -0700 (PDT)", "from gby.kfn.arm.com (unknown [10.45.48.140])\n\tby usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id\n\t1853D3F3E1; Tue, 5 Sep 2017 05:39:39 -0700 (PDT)" ], "From": "Gilad Ben-Yossef <gilad@benyossef.com>", "To": "Herbert Xu <herbert@gondor.apana.org.au>,\n\t\"David S. Miller\" <davem@davemloft.net>,\n\tJonathan Corbet <corbet@lwn.net>, David Howells <dhowells@redhat.com>,\n\tTom Lendacky <thomas.lendacky@amd.com>, Gary Hook <gary.hook@amd.com>,\n\tBoris Brezillon <boris.brezillon@free-electrons.com>,\n\tArnaud Ebalard <arno@natisbad.org>,\n\tMatthias Brugger <matthias.bgg@gmail.com>,\n\tAlasdair Kergon <agk@redhat.com>,\n\tMike Snitzer <snitzer@redhat.com>, dm-devel@redhat.com,\n\tShaohua Li <shli@kernel.org>, Steve French <sfrench@samba.org>,\n\t\"Theodore Y. Ts'o\" <tytso@mit.edu>, Jaegeuk Kim <jaegeuk@kernel.org>,\n\tSteffen Klassert <steffen.klassert@secunet.com>,\n\tAlexey Kuznetsov <kuznet@ms2.inr.ac.ru>,\n\tHideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,\n\tMimi Zohar <zohar@linux.vnet.ibm.com>,\n\tDmitry Kasatkin <dmitry.kasatkin@gmail.com>,\n\tJames Morris <james.l.morris@oracle.com>,\n\t\"Serge E. Hallyn\" <serge@hallyn.com>, linux-crypto@vger.kernel.org,\n\tlinux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tkeyrings@vger.kernel.org, linux-arm-kernel@lists.infradead.org,\n\tlinux-mediatek@lists.infradead.org, linux-raid@vger.kernel.org,\n\tlinux-cifs@vger.kernel.org, samba-technical@lists.samba.org,\n\tlinux-fscrypt@vger.kernel.org, netdev@vger.kernel.org,\n\tlinux-ima-devel@lists.sourceforge.net,\n\tlinux-ima-user@lists.sourceforge.net,\n\tlinux-security-module@vger.kernel.org", "Cc": "Ofir Drang <ofir.drang@arm.com>", "Subject": "[PATCH v8 02/20] crypto: ccp: use -EAGAIN for transient busy\n\tindication", "Date": "Tue, 5 Sep 2017 15:38:41 +0300", "Message-Id": "<1504615144-29770-3-git-send-email-gilad@benyossef.com>", "X-Mailer": "git-send-email 2.1.4", "In-Reply-To": "<1504615144-29770-1-git-send-email-gilad@benyossef.com>", "References": "<1504615144-29770-1-git-send-email-gilad@benyossef.com>", "Sender": "netdev-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<netdev.vger.kernel.org>", "X-Mailing-List": "netdev@vger.kernel.org" }, "content": "Replace -EBUSY with -EAGAIN when reporting transient busy\nindication in the absence of backlog.\n\nSigned-off-by: Gilad Ben-Yossef <gilad@benyossef.com>\nReviewed-by: Gary R Hook <gary.hook@amd.com>\n\n---\n\nPlease squash this patch with the previous one when merging upstream.\n---\n drivers/crypto/ccp/ccp-crypto-main.c | 8 +++-----\n drivers/crypto/ccp/ccp-dev.c | 7 +++++--\n 2 files changed, 8 insertions(+), 7 deletions(-)", "diff": "diff --git a/drivers/crypto/ccp/ccp-crypto-main.c b/drivers/crypto/ccp/ccp-crypto-main.c\nindex 35a9de7..403ff0a 100644\n--- a/drivers/crypto/ccp/ccp-crypto-main.c\n+++ b/drivers/crypto/ccp/ccp-crypto-main.c\n@@ -222,9 +222,10 @@ static int ccp_crypto_enqueue_cmd(struct ccp_crypto_cmd *crypto_cmd)\n \n \t/* Check if the cmd can/should be queued */\n \tif (req_queue.cmd_count >= CCP_CRYPTO_MAX_QLEN) {\n-\t\tret = -EBUSY;\n-\t\tif (!(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG))\n+\t\tif (!(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG)) {\n+\t\t\tret = -EAGAIN;\n \t\t\tgoto e_lock;\n+\t\t}\n \t}\n \n \t/* Look for an entry with the same tfm. If there is a cmd\n@@ -243,9 +244,6 @@ static int ccp_crypto_enqueue_cmd(struct ccp_crypto_cmd *crypto_cmd)\n \t\tret = ccp_enqueue_cmd(crypto_cmd->cmd);\n \t\tif (!ccp_crypto_success(ret))\n \t\t\tgoto e_lock;\t/* Error, don't queue it */\n-\t\tif ((ret == -EBUSY) &&\n-\t\t !(crypto_cmd->cmd->flags & CCP_CMD_MAY_BACKLOG))\n-\t\t\tgoto e_lock;\t/* Not backlogging, don't queue it */\n \t}\n \n \tif (req_queue.cmd_count >= CCP_CRYPTO_MAX_QLEN) {\ndiff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c\nindex 4e029b1..3d637e3 100644\n--- a/drivers/crypto/ccp/ccp-dev.c\n+++ b/drivers/crypto/ccp/ccp-dev.c\n@@ -292,9 +292,12 @@ int ccp_enqueue_cmd(struct ccp_cmd *cmd)\n \ti = ccp->cmd_q_count;\n \n \tif (ccp->cmd_count >= MAX_CMD_QLEN) {\n-\t\tret = -EBUSY;\n-\t\tif (cmd->flags & CCP_CMD_MAY_BACKLOG)\n+\t\tif (cmd->flags & CCP_CMD_MAY_BACKLOG) {\n+\t\t\tret = -EBUSY;\n \t\t\tlist_add_tail(&cmd->entry, &ccp->backlog);\n+\t\t} else {\n+\t\t\tret = -EAGAIN;\n+\t\t}\n \t} else {\n \t\tret = -EINPROGRESS;\n \t\tccp->cmd_count++;\n", "prefixes": [ "v8", "02/20" ] }