From patchwork Tue May 26 18:52:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 11571133 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AA82B14B7 for ; Tue, 26 May 2020 19:32:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8898A20849 for ; Tue, 26 May 2020 19:32:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590521525; bh=hxg10GtDKqkszMPdiN5v7tuseT2/4on2NQJtQcamVNg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=a/mJijaXLN8lprxLN1ZIPw+f3+MEWlkujQws4bA+Ci0CZU2VkSLs8c7keQzClWyjz NT0QlWyP2cWxshbBDMMTrmMICzKTT7apnFFCR6MLQEaN6vofXapGD5f0prNemV8+pg WA5ntKm8F4aXE5N07CjHU7Ju3LAd41Ej78cfosqE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390280AbgEZS6P (ORCPT ); Tue, 26 May 2020 14:58:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:51666 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390272AbgEZS6M (ORCPT ); Tue, 26 May 2020 14:58:12 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 75B522084C; Tue, 26 May 2020 18:58:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590519491; bh=hxg10GtDKqkszMPdiN5v7tuseT2/4on2NQJtQcamVNg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vtz5tNAWma9QzS8pOuVgfKtjukc2MNNBXSZEZ7eEMhDMheCMX125D8GtPLu1QKnHt Jkqrdz0crG7Fa/5NjCYHfNRsKjihaaKbjnMVG3SkCJOJqEpMS/DI1kvirgHpUIEhLK cPlq+30w+wvRHmsjX1JAaJkUGskPyXvl1HZSIzh0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Jordan , Herbert Xu , Steffen Klassert , linux-crypto@vger.kernel.org, Sasha Levin Subject: [PATCH 4.9 24/64] padata: purge get_cpu and reorder_via_wq from padata_do_serial Date: Tue, 26 May 2020 20:52:53 +0200 Message-Id: <20200526183920.506731578@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200526183913.064413230@linuxfoundation.org> References: <20200526183913.064413230@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Daniel Jordan [ Upstream commit 065cf577135a4977931c7a1e1edf442bfd9773dd ] With the removal of the padata timer, padata_do_serial no longer needs special CPU handling, so remove it. Signed-off-by: Daniel Jordan Cc: Herbert Xu Cc: Steffen Klassert Cc: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Herbert Xu Signed-off-by: Daniel Jordan Signed-off-by: Sasha Levin --- kernel/padata.c | 23 +++-------------------- 1 file changed, 3 insertions(+), 20 deletions(-) diff --git a/kernel/padata.c b/kernel/padata.c index 1030e6cfc08c..e82f066d63ac 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -323,24 +323,9 @@ static void padata_serial_worker(struct work_struct *serial_work) */ void padata_do_serial(struct padata_priv *padata) { - int cpu; - struct padata_parallel_queue *pqueue; - struct parallel_data *pd; - int reorder_via_wq = 0; - - pd = padata->pd; - - cpu = get_cpu(); - - /* We need to enqueue the padata object into the correct - * per-cpu queue. - */ - if (cpu != padata->cpu) { - reorder_via_wq = 1; - cpu = padata->cpu; - } - - pqueue = per_cpu_ptr(pd->pqueue, cpu); + struct parallel_data *pd = padata->pd; + struct padata_parallel_queue *pqueue = per_cpu_ptr(pd->pqueue, + padata->cpu); spin_lock(&pqueue->reorder.lock); list_add_tail(&padata->list, &pqueue->reorder.list); @@ -354,8 +339,6 @@ void padata_do_serial(struct padata_priv *padata) */ smp_mb__after_atomic(); - put_cpu(); - padata_reorder(pd); } EXPORT_SYMBOL(padata_do_serial);