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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13BC8C7618F for ; Tue, 16 Jul 2019 20:50:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B28EF2145D for ; Tue, 16 Jul 2019 20:50:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=synopsys.com header.i=@synopsys.com header.b="k0PnxTcQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388721AbfGPUuj (ORCPT ); Tue, 16 Jul 2019 16:50:39 -0400 Received: from dc2-smtprelay2.synopsys.com ([198.182.61.142]:38854 "EHLO smtprelay-out1.synopsys.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728575AbfGPUuj (ORCPT ); Tue, 16 Jul 2019 16:50:39 -0400 Received: from mailhost.synopsys.com (mdc-mailhost1.synopsys.com [10.225.0.209]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id CBB4AC1BCE; Tue, 16 Jul 2019 20:50:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1563310239; bh=Xd83pvvL6NxmddJj03K0woFOzaR2CHGlGI+s16rvEvE=; h=From:To:Cc:Subject:Date:From; b=k0PnxTcQErzLC7klEjemFCHSyDoskZUR7M5STFOQ0B/JvpsAw4QrHUX6HqGP8dsQz cQhD0cQii+FiO0GM1CCRDuAhHiAiGyy8VrNHf2sBM/kuwb/rXseY1uUzyBvJOxu4Sh 23HE5qHx/nGzHzfG9729cTyZUQ5ekwzvTmvH8VUypkKi6UrLLvH8YT0XRotdYSnKnQ 08tOmdTN5OGQp/AKojnFs8rEov0/ghikyKKMRuZ0mTku4ZtNS/lwf4V1u6nbn9MVda 97XBJsvOGND5/WgPCw2kWK/85vDmAgxh84crHlxzCiHg0RcLZulicny849Y/gnTVbU bQfH1nT5QLohA== Received: from ru20arcgnu1.internal.synopsys.com (ru20arcgnu1.internal.synopsys.com [10.121.9.48]) by mailhost.synopsys.com (Postfix) with ESMTP id 49766A0057; Tue, 16 Jul 2019 20:50:37 +0000 (UTC) From: Alexey Brodkin To: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Alexey Brodkin Subject: [PATCH] ARCv2: Don't pretend we may set U & DE bits in STATUS32 with kflag Date: Tue, 16 Jul 2019 23:50:34 +0300 Message-Id: <20190716205034.42466-1-abrodkin@synopsys.com> X-Mailer: git-send-email 2.16.2 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org As per PRM "kflag" instruction doesn't change state of DE-flag ("Delayed branch is pending") and U-flag ("User mode") in STATUS32 register so let's not act as if we can affect those bits. Signed-off-by: Alexey Brodkin --- arch/arc/include/asm/entry-arcv2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h index 225e7df2d8ed..6558e2edb583 100644 --- a/arch/arc/include/asm/entry-arcv2.h +++ b/arch/arc/include/asm/entry-arcv2.h @@ -237,7 +237,7 @@ .macro FAKE_RET_FROM_EXCPN lr r9, [status32] - bic r9, r9, (STATUS_U_MASK|STATUS_DE_MASK|STATUS_AE_MASK) + bic r9, r9, STATUS_AE_MASK or r9, r9, STATUS_IE_MASK kflag r9 .endm -- 2.16.2