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=-7.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 27274C43381 for ; Mon, 1 Apr 2019 06:24:08 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7CA2C2070B for ; Mon, 1 Apr 2019 06:24:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=neuling.org header.i=@neuling.org header.b="TWw5SZak" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7CA2C2070B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=neuling.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 44Xj3T44LhzDqNJ for ; Mon, 1 Apr 2019 17:24:05 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 44Xj0d5SPxzDqMW for ; Mon, 1 Apr 2019 17:21:37 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=neuling.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=neuling.org header.i=@neuling.org header.b="TWw5SZak"; dkim-atps=neutral Received: from spoke.localdomain (localhost [127.0.0.1]) by ozlabs.org (Postfix) with ESMTP id 44Xj0d3SsGz9sQw; Mon, 1 Apr 2019 17:21:37 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=neuling.org; s=201811; t=1554099697; bh=07q8tXMo88WI7t77jFF7qGxdsavc2yv3LQLXa8qvsTg=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=TWw5SZakcuTVHPsCiwox2cRwlDaiUoTEZ5LE86NCrvdUeXpleRTVuG7UtHeU9VKMK Oxoq0BjEj1gakvJAQx6FbXbnIbCOSLMB30QJC3pSK5YmR0iHFTDpAO91Nhksco64dK M1kWDLQUSdxsYmEgdHoKx7/G73MtqZQXJWTqWypwqmwkL+ELM+aTMZTI9qtWkjuZLq PV0Kf0tu5Om7svdL2KKRbnc6oTtpkhS4L5ucAjoMRE1Xnw1PTiXN5ifq1Wj4OCtFAA pHm2Dc8ijneVXje/lRAu0hXKaz6dScnNP1oqIpPZ3RPlAuwFyTYrMbDhnEM4LNHMkT mDVIFPlZbj2Ww== Received: by spoke.localdomain (Postfix, from userid 1000) id 6B8992A0352; Mon, 1 Apr 2019 17:21:37 +1100 (AEDT) Message-ID: <282f7310ef16e0d37161b0bb2d03baa57c40db69.camel@neuling.org> Subject: Re: [PATCH] Documentation: powerpc: Expand the DAWR acronym From: Michael Neuling To: Joel Stanley , linuxppc-dev@lists.ozlabs.org Date: Mon, 01 Apr 2019 17:21:37 +1100 In-Reply-To: <20190401061156.31366-1-joel@jms.id.au> References: <20190401061156.31366-1-joel@jms.id.au> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, 2019-04-01 at 16:41 +1030, Joel Stanley wrote: > Those not of us not drowning in POWER might not know what this means. Hehe... thanks! > Signed-off-by: Joel Stanley Acked-by: Michael Neuling > --- > Documentation/powerpc/DAWR-POWER9.txt | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) >=20 > diff --git a/Documentation/powerpc/DAWR-POWER9.txt > b/Documentation/powerpc/DAWR-POWER9.txt > index 2feaa6619658..f6c24e54ce83 100644 > --- a/Documentation/powerpc/DAWR-POWER9.txt > +++ b/Documentation/powerpc/DAWR-POWER9.txt > @@ -1,10 +1,10 @@ > DAWR issues on POWER9 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D > =20 > -On POWER9 the DAWR can cause a checkstop if it points to cache > -inhibited (CI) memory. Currently Linux has no way to disinguish CI > -memory when configuring the DAWR, so (for now) the DAWR is disabled by > -this commit: > +On POWER9 the Data Address Watchpoint Register (DAWR) can cause a checks= top > +if it points to cache inhibited (CI) memory. Currently Linux has no way = to > +disinguish CI memory when configuring the DAWR, so (for now) the DAWR is > +disabled by this commit: > =20 > commit 9654153158d3e0684a1bdb76dbababdb7111d5a0 > Author: Michael Neuling