From patchwork Wed Aug 9 12:05:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dave Martin X-Patchwork-Id: 799708 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=sourceware.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=libc-alpha-return-82915-incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="kfqU/SFo"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xS9411rbfz9sPt for ; Wed, 9 Aug 2017 22:06:56 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=Nv2s9teT79109Q5kNPQ3PQfL50UWYmT MY3pV0CTRNV755cTir/ZNt6xH5WGe4p9amJOMVWtxSDSV6doiDWvOg5uMmGBfPPC sCekqTF5M9+V6cojyKOyAeiXdET9DRty4xEcW9cyt6yCS6IAkXGp9dYj3Ohd/Vkz 81HS6Ire/Nyw= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:in-reply-to :references; s=default; bh=7hJDXiscpggSgj+HZwj0YapV+cU=; b=kfqU/ SFojl64jyOCBCCNSTBdhVZXXIF10eScXp0xEP6Gg2AJgHvpQ7Ca3K9ATCRz8JmiU Wvsk9BQ82XBBPEcWLwdWLXbLh3CVkuSj5NbM3nS6xssanps8cLgxrfdHxH9Qu/Kj 7R10FclXtrNFv4BOwprDwcWP0i1Gv4C4X/15rA= Received: (qmail 115883 invoked by alias); 9 Aug 2017 12:06:26 -0000 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: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 115827 invoked by uid 89); 9 Aug 2017 12:06:25 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.9 required=5.0 tests=BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RP_MATCHES_RCVD, SPF_PASS autolearn=ham version=3.3.2 spammy=Hx-spam-relays-external:ESMTPA X-HELO: foss.arm.com From: Dave Martin To: linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Will Deacon , Ard Biesheuvel , Szabolcs Nagy , Richard Sandiford , kvmarm@lists.cs.columbia.edu, libc-alpha@sourceware.org, linux-arch@vger.kernel.org Subject: [PATCH 05/27] arm64: fpsimd: Simplify uses of {set, clear}_ti_thread_flag() Date: Wed, 9 Aug 2017 13:05:11 +0100 Message-Id: <1502280338-23002-6-git-send-email-Dave.Martin@arm.com> In-Reply-To: <1502280338-23002-1-git-send-email-Dave.Martin@arm.com> References: <1502280338-23002-1-git-send-email-Dave.Martin@arm.com> The existing FPSIMD context switch code contains a couple of instances of {set,clear}_ti_thread(task_thread_info(task)). Since there are thread flag manipulators that operate directly on task_struct, this verbosity isn't strictly needed. For consistency, this patch simplifies the affected calls. This should have no impact on behaviour. Signed-off-by: Dave Martin Acked-by: Ard Biesheuvel Reviewed-by: Alex Bennée --- arch/arm64/kernel/fpsimd.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 138fcfa..9c1f268e 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -159,11 +159,9 @@ void fpsimd_thread_switch(struct task_struct *next) if (__this_cpu_read(fpsimd_last_state) == st && st->cpu == smp_processor_id()) - clear_ti_thread_flag(task_thread_info(next), - TIF_FOREIGN_FPSTATE); + clear_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE); else - set_ti_thread_flag(task_thread_info(next), - TIF_FOREIGN_FPSTATE); + set_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE); } }