{"id":808368,"url":"http://patchwork.ozlabs.org/api/1.0/patches/808368/?format=json","project":{"id":41,"url":"http://patchwork.ozlabs.org/api/1.0/projects/41/?format=json","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":""},"msgid":"<1504198860-12951-6-git-send-email-Dave.Martin@arm.com>","date":"2017-08-31T17:00:37","name":"[v2,05/28] arm64: fpsimd: Simplify uses of {set,clear}_ti_thread_flag()","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"3a89e912d42d5bcce4d25c798b8c566d1d8537ee","submitter":{"id":26612,"url":"http://patchwork.ozlabs.org/api/1.0/people/26612/?format=json","name":"Dave Martin","email":"Dave.Martin@arm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/glibc/patch/1504198860-12951-6-git-send-email-Dave.Martin@arm.com/mbox/","series":[{"id":882,"url":"http://patchwork.ozlabs.org/api/1.0/series/882/?format=json","date":"2017-08-31T17:00:32","name":"ARM Scalable Vector Extension (SVE)","version":2,"mbox":"http://patchwork.ozlabs.org/series/882/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/808368/checks/","tags":{},"headers":{"Return-Path":"","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-83989-incoming=patchwork.ozlabs.org@sourceware.org;\n\treceiver=)","ozlabs.org; dkim=pass (1024-bit key;\n\tsecure) header.d=sourceware.org header.i=@sourceware.org\n\theader.b=\"QfGOwpo/\"; 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 3xjpyN0fPmz9sD5\n\tfor ;\n\tFri, 1 Sep 2017 03:19:23 +1000 (AEST)","(qmail 20673 invoked by alias); 31 Aug 2017 17:19:18 -0000","(qmail 20625 invoked by uid 89); 31 Aug 2017 17:19:17 -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=CBK/cS4aMNsX4GgHK092wLjNF7rsMJFekW6+RMQPir4\n\t3Id0V6cmguBrsidO6+nY54Snlii9ovOR2UbnHCrCs6fbsnz4OjIxoz46BwD6lUs+\n\t7jxIOmQMDtPl7RQ5rQihJ3//YuF9npWfbfAfUNf3VBXtLgOpbNi1CjUEdhdX3GQk\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=mOwRdve46TT4YZE0WYuJHokE8Tg=; b=QfGOwpo/+CYLFOOCY\n\t13UB81eXc5w0bimnhqS1SaL5jXyiWjfuWtoqDlGr3khBG9w+FSm/0XiNpXPHJmf1\n\tj645ArpBb2LRH0g5aS2oxcSuwDwepX+fIfnySD+xdN+p26dICYymmxjhBtOpLByW\n\tHLYf1pA3/RUQjg9IXqHU/vI6d8=","Mailing-List":"contact libc-alpha-help@sourceware.org; run by ezmlm","Precedence":"bulk","List-Id":"","List-Unsubscribe":"","List-Subscribe":"","List-Archive":"","List-Post":"","List-Help":",\n\t","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=","X-HELO":"foss.arm.com","From":"Dave Martin ","To":"linux-arm-kernel@lists.infradead.org","Cc":"Catalin Marinas , Will Deacon\n\t, \tArd Biesheuvel ,\n\t=?utf-8?q?Alex_Benn=C3=A9?= =?utf-8?q?e?= ,\n\tSzabolcs Nagy , Richard Sandiford\n\t, \tkvmarm@lists.cs.columbia.edu,\n\tlibc-alpha@sourceware.org, \tlinux-arch@vger.kernel.org","Subject":"[PATCH v2 05/28] arm64: fpsimd: Simplify uses of {set,\n\tclear}_ti_thread_flag()","Date":"Thu, 31 Aug 2017 18:00:37 +0100","Message-Id":"<1504198860-12951-6-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":"The existing FPSIMD context switch code contains a couple of\ninstances of {set,clear}_ti_thread(task_thread_info(task)). Since\nthere are thread flag manipulators that operate directly on\ntask_struct, this verbosity isn't strictly needed.\n\nFor consistency, this patch simplifies the affected calls. This\nshould have no impact on behaviour.\n\nSigned-off-by: Dave Martin \nReviewed-by: Alex Bennée \nAcked-by: Ard Biesheuvel \n---\n arch/arm64/kernel/fpsimd.c | 6 ++----\n 1 file changed, 2 insertions(+), 4 deletions(-)","diff":"diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c\nindex 3a68cf3..9d762dd 100644\n--- a/arch/arm64/kernel/fpsimd.c\n+++ b/arch/arm64/kernel/fpsimd.c\n@@ -159,11 +159,9 @@ void fpsimd_thread_switch(struct task_struct *next)\n \n \t\tif (__this_cpu_read(fpsimd_last_state) == st\n \t\t && st->cpu == smp_processor_id())\n-\t\t\tclear_ti_thread_flag(task_thread_info(next),\n-\t\t\t\t\t TIF_FOREIGN_FPSTATE);\n+\t\t\tclear_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE);\n \t\telse\n-\t\t\tset_ti_thread_flag(task_thread_info(next),\n-\t\t\t\t\t TIF_FOREIGN_FPSTATE);\n+\t\t\tset_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE);\n \t}\n }\n \n","prefixes":["v2","05/28"]}