From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2ECB5C433F5 for ; Tue, 9 Nov 2021 13:21:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B77461130 for ; Tue, 9 Nov 2021 13:21:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235316AbhKINXn (ORCPT ); Tue, 9 Nov 2021 08:23:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:39648 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233824AbhKINXe (ORCPT ); Tue, 9 Nov 2021 08:23:34 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5E9C961130; Tue, 9 Nov 2021 13:20:47 +0000 (UTC) Date: Tue, 9 Nov 2021 13:20:44 +0000 From: Catalin Marinas To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Mark Brown , Will Deacon , maz@kernel.org, Dave.Martin@arm.com, tanxiaofei@huawei.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH AUTOSEL 4.19 41/47] arm64/sve: Add stub for sve_max_virtualisable_vl() Message-ID: References: <20211108175031.1190422-1-sashal@kernel.org> <20211108175031.1190422-41-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211108175031.1190422-41-sashal@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 08, 2021 at 12:50:25PM -0500, Sasha Levin wrote: > From: Mark Brown > > [ Upstream commit 49ed920408f85fb143020cf7d95612b6b12a84a2 ] > > Fixes build problems for configurations with KVM enabled but SVE disabled. > > Reported-by: Catalin Marinas > Signed-off-by: Mark Brown > Link: https://lore.kernel.org/r/20211022141635.2360415-2-broonie@kernel.org > Signed-off-by: Will Deacon > Signed-off-by: Sasha Levin > --- > arch/arm64/include/asm/fpsimd.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h > index dd1ad3950ef5d..5bd799ea683b4 100644 > --- a/arch/arm64/include/asm/fpsimd.h > +++ b/arch/arm64/include/asm/fpsimd.h > @@ -130,6 +130,11 @@ static inline void fpsimd_release_task(struct task_struct *task) { } > static inline void sve_sync_to_fpsimd(struct task_struct *task) { } > static inline void sve_sync_from_fpsimd_zeropad(struct task_struct *task) { } > > +static inline int sve_max_virtualisable_vl(void) > +{ > + return 0; > +} IIRC this fix was only needed for 5.16-rc1. -- Catalin