Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp1364312ybi; Tue, 16 Jul 2019 13:51:15 -0700 (PDT) X-Google-Smtp-Source: APXvYqxb3+QHk4bmMriRmkP4As5d7xLWCVqsZVO8PwDzUYXLD90l+8mHBMm+uph2d5riF0ZCB55I X-Received: by 2002:a63:7e42:: with SMTP id o2mr36047142pgn.162.1563310274884; Tue, 16 Jul 2019 13:51:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563310274; cv=none; d=google.com; s=arc-20160816; b=0U/BN++G16uHiJUxmMTamH4yEAL39eHVlUkeomucYCtYC0ughfNGZ6ldCa/HRXUOZe Fyfv2vu1tWp32QF8NFV5iMnmbuNbrF7tegL+82jacdlYitD8aoJ4ghx5Rec6T5fnlgxX QzuZZJcy9R3TAWo/0vJ12KlCoCe8L6bq8z1F0YGfsuEvw29ajn0wBL45Yqylxh75c5Uv lxtQcP6tLNwNAb29hx58FAUvScIJOe+lNk5KYmR2lw5s17NMiVHIqiulf9+0lSFDMxGx 3sXDdlwkYqWDdO4OuP/HRU9kRlf15KGRMVRqQlFMsNhN3d8Q09Vd/TBNxSAjzfc3gZ7M 1SXg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature; bh=98LbrPv8i2xgbBKfuXtY+8Tg/9DGqzc66pMuDNsxu20=; b=HATAe2otTeqP9vuOzbofDMW8KxlvLbve4rpnDLrB60UNyjtnaRhUPnpC+QVIs6yWOk F6iJ/qxU11VcLKWwgAY/RkGhrzdmRCbpegvWdJJT3Y5P0BkytTbarDpjLH7jK1a99bei y+yUXFeN4HhhOXpeVaYGuI+FGIRYZ3+EXSNe329v+K7w1srtQUtLp+nsoRBBJFnq+akd DIxrY6L44dHW5sLExBmslMo4BvY+CYdM7PbP9QS5ieOeZcDX6YFTXL5IB9MRnaK8c+cn epX12AtxKEaiFqXfGlaYK+tg5NUagIblVE+u6mpHmkSq5+d3I6fDDL+4RiDuriRTTwF1 4fSw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@synopsys.com header.s=mail header.b=k0PnxTcQ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=synopsys.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q199si21271260pfq.112.2019.07.16.13.50.58; Tue, 16 Jul 2019 13:51:14 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@synopsys.com header.s=mail header.b=k0PnxTcQ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=synopsys.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388615AbfGPUuj (ORCPT + 99 others); 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