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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B056C433FE for ; Mon, 27 Dec 2021 15:52:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240213AbhL0PwU (ORCPT ); Mon, 27 Dec 2021 10:52:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240657AbhL0Ppa (ORCPT ); Mon, 27 Dec 2021 10:45:30 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 237E2C08E9BB; Mon, 27 Dec 2021 07:42:36 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D5076B80E5A; Mon, 27 Dec 2021 15:42:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11B65C36AEA; Mon, 27 Dec 2021 15:42:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1640619753; bh=BFqceTwylg4SkQttS5seN98n5t+IMPsWhcgxfCUwuNM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HYbG9ioRJdDggyEx7sIGTjm6/X0xwsC3RRNxjLRDIXf/dXBMmD9z9igL+qo9mqurX wVnLnQrw8eY+RsEdqx2AdrftaukKrcHNVcodmvvCLf/L8yKYUQKV8YymYKO7eqaxLB YuQ3crA+uTsF8OyLxXsmAVjBrwvja1He9K64QvAE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vladimir Murzin , "Russell King (Oracle)" , Sasha Levin Subject: [PATCH 5.15 058/128] ARM: 9160/1: NOMMU: Reload __secondary_data after PROCINFO_INITFUNC Date: Mon, 27 Dec 2021 16:30:33 +0100 Message-Id: <20211227151333.447237656@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211227151331.502501367@linuxfoundation.org> References: <20211227151331.502501367@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vladimir Murzin [ Upstream commit 7202216a6f34d571a22274e729f841256bf8b1ef ] __secondary_data used to reside in r7 around call to PROCINFO_INITFUNC. After commit 95731b8ee63e ("ARM: 9059/1: cache-v7: get rid of mini-stack") r7 is used as a scratch register, so we have to reload __secondary_data before we setup the stack pointer. Fixes: 95731b8ee63e ("ARM: 9059/1: cache-v7: get rid of mini-stack") Signed-off-by: Vladimir Murzin Signed-off-by: Russell King (Oracle) Signed-off-by: Sasha Levin --- arch/arm/kernel/head-nommu.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 0fc814bbc34b1..8796a69c78e00 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -114,6 +114,7 @@ ENTRY(secondary_startup) add r12, r12, r10 ret r12 1: bl __after_proc_init + ldr r7, __secondary_data @ reload r7 ldr sp, [r7, #12] @ set up the stack pointer mov fp, #0 b secondary_start_kernel -- 2.34.1