From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Leonidas S. Barbosa" Subject: [PATCH 1/2] Uncomment and make enable_kernel_vsx() routine available Date: Mon, 13 Jul 2015 13:51:01 -0300 Message-ID: <20150713165057.GA6594@bluepex.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: linuxppc-dev@lists.ozlabs.org, Herbert Xu , pfsmorigo@linux.vnet.ibm.com, Michael Ellerman To: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org Return-path: 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 Content-Disposition: inline Sender: linux-crypto-owner@vger.kernel.org List-ID: 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) { -- 2.1.0