From patchwork Mon Jul 13 16:51:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leonidas Da Silva Barbosa X-Patchwork-Id: 6780591 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Original-To: patchwork-linux-crypto@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DA1C09F2F0 for ; Mon, 13 Jul 2015 16:51:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8D7CD20551 for ; Mon, 13 Jul 2015 16:51:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9D5A92054C for ; Mon, 13 Jul 2015 16:51:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752198AbbGMQvI (ORCPT ); Mon, 13 Jul 2015 12:51:08 -0400 Received: from e24smtp04.br.ibm.com ([32.104.18.25]:37355 "EHLO e24smtp04.br.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751267AbbGMQvH (ORCPT ); Mon, 13 Jul 2015 12:51:07 -0400 Received: from /spool/local by e24smtp04.br.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 13 Jul 2015 13:51:06 -0300 Received: from d24dlp01.br.ibm.com (9.18.248.204) by e24smtp04.br.ibm.com (10.172.0.140) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 13 Jul 2015 13:51:03 -0300 X-Helo: d24dlp01.br.ibm.com X-MailFrom: leosilva@linux.vnet.ibm.com X-RcptTo: linux-kernel@vger.kernel.org Received: from d24relay03.br.ibm.com (d24relay03.br.ibm.com [9.13.184.25]) by d24dlp01.br.ibm.com (Postfix) with ESMTP id 98BB33520027; Mon, 13 Jul 2015 12:49:58 -0400 (EDT) Received: from d24av01.br.ibm.com (d24av01.br.ibm.com [9.8.31.91]) by d24relay03.br.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t6DGnhod1114580; Mon, 13 Jul 2015 13:49:44 -0300 Received: from d24av01.br.ibm.com (localhost [127.0.0.1]) by d24av01.br.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t6DGp2k7010610; Mon, 13 Jul 2015 13:51:02 -0300 Received: from bluepex.com ([9.8.6.82]) by d24av01.br.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with SMTP id t6DGp1Em010580; Mon, 13 Jul 2015 13:51:01 -0300 Date: Mon, 13 Jul 2015 13:51:01 -0300 From: "Leonidas S. Barbosa" To: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org, Herbert Xu , pfsmorigo@linux.vnet.ibm.com, Michael Ellerman Subject: [PATCH 1/2] Uncomment and make enable_kernel_vsx() routine available Message-ID: <20150713165057.GA6594@bluepex.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15071316-0029-0000-0000-000003FF4CF1 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP enable_kernel_vsx() function was commented since anything was using it. However, vmx-crypto driver uses VSX instructions which are only available if VSX is enable. Otherwise it rises an exception oops. This patch uncomment enable_kernel_vsx() routine and makes it available. Signed-off-by: Leonidas S. Barbosa --- arch/powerpc/include/asm/switch_to.h | 1 + arch/powerpc/kernel/process.c | 3 --- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h index 58abeda..15cca17 100644 --- a/arch/powerpc/include/asm/switch_to.h +++ b/arch/powerpc/include/asm/switch_to.h @@ -29,6 +29,7 @@ static inline void save_early_sprs(struct thread_struct *prev) {} extern void enable_kernel_fp(void); extern void enable_kernel_altivec(void); +extern void enable_kernel_vsx(void); extern int emulate_altivec(struct pt_regs *); extern void __giveup_vsx(struct task_struct *); extern void giveup_vsx(struct task_struct *); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 8005e18..64e6e9d 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -204,8 +204,6 @@ EXPORT_SYMBOL_GPL(flush_altivec_to_thread); #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_VSX -#if 0 -/* not currently used, but some crazy RAID module might want to later */ void enable_kernel_vsx(void) { WARN_ON(preemptible()); @@ -220,7 +218,6 @@ void enable_kernel_vsx(void) #endif /* CONFIG_SMP */ } EXPORT_SYMBOL(enable_kernel_vsx); -#endif void giveup_vsx(struct task_struct *tsk) {