From patchwork Mon Feb 13 13:04:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 727293 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vMQlN3zBZz9s7k for ; Tue, 14 Feb 2017 00:05:36 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tWANDnjP"; dkim-atps=neutral DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=77vP0I2UHnZlaAUifs0FA/0izbGEaFX8T/Gk3dCFZp0=; b=tWANDnjPEZ9zmq 4ks7fTfvs05zA3sT/h+9cy1cqr9yRvx95Jg62nD41GWZ5AvKTtzfZPf/TlEIoZdGQMdYLUnDhHAO/ nuqPa3qsQ6+t0kJpYSnGkLiH6/cUSiV53DHG8Wni1SirdWAAxq+ZxTGqqOa/50CelRAwVekAGZKxr 4rnjhHYMaSKDz1/9ZnyWzaAYE7mPVcuumdsBoV+1E8FzKbsVvOfMnQr06VVn197max8rDb/6jc3Is CqMlYOqbb1jzD1WuXTv0efiuhUqWtopccT6W0ZLFn6K18SQwcBPN3mygBP0GYo07ku+Vk/6Wv+aL/ 6AdpOhub/SwX297J+JKg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cdGJy-0002FL-Tk; Mon, 13 Feb 2017 13:05:35 +0000 Received: from mail.linuxfoundation.org ([140.211.169.12]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cdGJt-0001Vm-HZ for linux-snps-arc@lists.infradead.org; Mon, 13 Feb 2017 13:05:31 +0000 Received: from localhost (unknown [12.139.153.2]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 1C054B30; Mon, 13 Feb 2017 13:05:13 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Subject: [PATCH 4.4 01/20] ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup Date: Mon, 13 Feb 2017 05:04:46 -0800 Message-Id: <20170213130403.588875111@linuxfoundation.org> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20170213130403.531813333@linuxfoundation.org> References: <20170213130403.531813333@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170213_050529_799276_D49D7CC7 X-CRM114-Status: UNSURE ( 5.28 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -4.2 (----) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-4.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [140.211.169.12 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jo-Philipp Wich , Greg Kroah-Hartman , stable@vger.kernel.org, Vineet Gupta , linux-snps-arc@lists.infradead.org, Linus Torvalds Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vineet Gupta commit a524c218bc94c705886a0e0fedeee45d1931da32 upstream. Reported-by: Jo-Philipp Wich Fixes: 9aed02feae57bf7 ("ARC: [arcompact] handle unaligned access delay slot") Cc: linux-kernel@vger.kernel.org Cc: linux-snps-arc@lists.infradead.org Signed-off-by: Vineet Gupta Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- arch/arc/kernel/unaligned.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arc/kernel/unaligned.c +++ b/arch/arc/kernel/unaligned.c @@ -243,7 +243,7 @@ int misaligned_fixup(unsigned long addre /* clear any remanants of delay slot */ if (delay_mode(regs)) { - regs->ret = regs->bta ~1U; + regs->ret = regs->bta & ~1U; regs->status32 &= ~STATUS_DE_MASK; } else { regs->ret += state.instr_len;