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GET /api/patches/808355/?format=api
{ "id": 808355, "url": "http://patchwork.ozlabs.org/api/patches/808355/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/1504198860-12951-5-git-send-email-Dave.Martin@arm.com/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1504198860-12951-5-git-send-email-Dave.Martin@arm.com>", "list_archive_url": null, "date": "2017-08-31T17:00:36", "name": "[v2,04/28] arm64: Port deprecated instruction emulation to new sysctl interface", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bc94bcc9e69e94feb50ff2f1b8088e44b2f9d13c", "submitter": { "id": 26612, "url": "http://patchwork.ozlabs.org/api/people/26612/?format=api", "name": "Dave Martin", "email": "Dave.Martin@arm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/1504198860-12951-5-git-send-email-Dave.Martin@arm.com/mbox/", "series": [ { "id": 882, "url": "http://patchwork.ozlabs.org/api/series/882/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=882", "date": "2017-08-31T17:00:32", "name": "ARM Scalable Vector Extension (SVE)", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/882/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/808355/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/808355/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-return-83982-incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "mailing list libc-alpha@sourceware.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=sourceware.org\n\t(client-ip=209.132.180.131; helo=sourceware.org;\n\tenvelope-from=libc-alpha-return-83982-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"nyRQti5M\"; dkim-atps=neutral", "sourceware.org; auth=none" ], "Received": [ "from sourceware.org (server1.sourceware.org [209.132.180.131])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xjpkr3mGsz9s81\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 1 Sep 2017 03:09:24 +1000 (AEST)", "(qmail 122132 invoked by alias); 31 Aug 2017 17:09:17 -0000", "(qmail 122109 invoked by uid 89); 31 Aug 2017 17:09:17 -0000" ], "DomainKey-Signature": "a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:cc:subject:date:message-id:in-reply-to\n\t:references:mime-version:content-type:content-transfer-encoding;\n\tq=dns; s=default; b=U4afJC+ABvR+NgUemp7ybixkmuuV1qzfzw1mx9CHJNM\n\tOdtmS8pe2kHhC3zb9Z6GiBVM2u3bzQfQp/1Wsuc20s36ABgFUZFUmvgj8N48uUEB\n\tIeWOnQUYn2gTtjJw/xjY8+d08r/PDTT0yQo/hwAbJKMzt9Epyu1NbI9pJdAPnP3A\n\t=", "DKIM-Signature": "v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id\n\t:list-unsubscribe:list-subscribe:list-archive:list-post\n\t:list-help:sender:from:to:cc:subject:date:message-id:in-reply-to\n\t:references:mime-version:content-type:content-transfer-encoding;\n\ts=default; bh=5fNoLTvZsSYjqy1pu/nfhx3J/JI=; b=nyRQti5MY3KeNmKTR\n\tMAZJJjI3Z+dr3ay6j73r+ISQka87MfjohRFjGSgFt20YFeu2q9sFRxUtsmtwWZnx\n\teEgova2JiU59ubcvHo4VrupupETjpGlqXXjZI2GhdQUyQCIeZelfGg8auWbN806b\n\tapVpuQ4Oqh5AdrFXzHMV0t+jZc=", "Mailing-List": "contact libc-alpha-help@sourceware.org; run by ezmlm", "Precedence": "bulk", "List-Id": "<libc-alpha.sourceware.org>", "List-Unsubscribe": "<mailto:libc-alpha-unsubscribe-incoming=patchwork.ozlabs.org@sourceware.org>", "List-Subscribe": "<mailto:libc-alpha-subscribe@sourceware.org>", "List-Archive": "<http://sourceware.org/ml/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-help@sourceware.org>,\n\t<http://sourceware.org/ml/#faqs>", "Sender": "libc-alpha-owner@sourceware.org", "X-Virus-Found": "No", "X-Spam-SWARE-Status": "No, score=-26.9 required=5.0 tests=BAYES_00, GIT_PATCH_0,\n\tGIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RP_MATCHES_RCVD,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=0555,\n\tHx-languages-length:2139, life, charge", "X-HELO": "foss.arm.com", "From": "Dave Martin <Dave.Martin@arm.com>", "To": "linux-arm-kernel@lists.infradead.org", "Cc": "Catalin Marinas <catalin.marinas@arm.com>, Will Deacon\n\t<will.deacon@arm.com>, \tArd Biesheuvel <ard.biesheuvel@linaro.org>,\n\t=?utf-8?q?Alex_Benn=C3=A9?= =?utf-8?q?e?= <alex.bennee@linaro.org>,\n\tSzabolcs Nagy <szabolcs.nagy@arm.com>, Richard Sandiford\n\t<richard.sandiford@arm.com>, \tkvmarm@lists.cs.columbia.edu,\n\tlibc-alpha@sourceware.org, \tlinux-arch@vger.kernel.org", "Subject": "[PATCH v2 04/28] arm64: Port deprecated instruction emulation to\n\tnew sysctl interface", "Date": "Thu, 31 Aug 2017 18:00:36 +0100", "Message-Id": "<1504198860-12951-5-git-send-email-Dave.Martin@arm.com>", "In-Reply-To": "<1504198860-12951-1-git-send-email-Dave.Martin@arm.com>", "References": "<1504198860-12951-1-git-send-email-Dave.Martin@arm.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit" }, "content": "Currently, armv8_deprected.c takes charge of the \"abi\" sysctl\ndirectory, which makes life difficult for other code that wants to\nregister sysctls in the same directory.\n\nThere is a \"new\" [1] sysctl registration interface that removes the\nneed to define ctl_tables for parent directories explicitly, which\nis ideal here.\n\nThis patch ports register_insn_emulation_sysctl() over to the\nregister_sysctl() interface and removes the redundant ctl_table for\n\"abi\".\n\nSigned-off-by: Dave Martin <Dave.Martin@arm.com>\nReviewed-by: Alex Bennée <alex.bennee@linaro.org>\n\n[1] fea478d4101a (sysctl: Add register_sysctl for normal sysctl\nusers)\nThe commit message notes an intent to port users of the\npre-existing interfaces over to register_sysctl(), though the\nnumber of users of the new interface currently appears negligible.\n---\n arch/arm64/kernel/armv8_deprecated.c | 15 +++------------\n 1 file changed, 3 insertions(+), 12 deletions(-)", "diff": "diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c\nindex f0e6d71..e15eb2d 100644\n--- a/arch/arm64/kernel/armv8_deprecated.c\n+++ b/arch/arm64/kernel/armv8_deprecated.c\n@@ -228,15 +228,7 @@ static int emulation_proc_handler(struct ctl_table *table, int write,\n \treturn ret;\n }\n \n-static struct ctl_table ctl_abi[] = {\n-\t{\n-\t\t.procname = \"abi\",\n-\t\t.mode = 0555,\n-\t},\n-\t{ }\n-};\n-\n-static void __init register_insn_emulation_sysctl(struct ctl_table *table)\n+static void __init register_insn_emulation_sysctl(void)\n {\n \tunsigned long flags;\n \tint i = 0;\n@@ -262,8 +254,7 @@ static void __init register_insn_emulation_sysctl(struct ctl_table *table)\n \t}\n \traw_spin_unlock_irqrestore(&insn_emulation_lock, flags);\n \n-\ttable->child = insns_sysctl;\n-\tregister_sysctl_table(table);\n+\tregister_sysctl(\"abi\", insns_sysctl);\n }\n \n /*\n@@ -644,7 +635,7 @@ static int __init armv8_deprecated_init(void)\n \tcpuhp_setup_state_nocalls(CPUHP_AP_ARM64_ISNDEP_STARTING,\n \t\t\t\t \"arm64/isndep:starting\",\n \t\t\t\t run_all_insn_set_hw_mode, NULL);\n-\tregister_insn_emulation_sysctl(ctl_abi);\n+\tregister_insn_emulation_sysctl();\n \n \treturn 0;\n }\n", "prefixes": [ "v2", "04/28" ] }