From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1274701-1518960518-2-6114045405611217622 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='us-ascii' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1518960517; b=gpQtNf2uacMc/ssD+sSjk33ekaz8T42IAnvIUXzWh39rMDa 7MhT29ZlG23IQXxPncukeyJMXoU1DjXxYIl8mq3f2DKtnIkrhrOo920ZI6lOIpF9 IFPMD2l+Y/vaPU1DG07MLEL4zr13BylSoRwlznrU2QMowFcya0pJSdBXYqoUX3NF iAfyNmbLUGOeK4OFeoXAYoNEzg4W4oOSqyg/xbQmMFT0lnbBsAB03NQu6kQWGwVQ WXTeUN6/BUu4ftBRMRP6wCf4Gt8wkbq3QWQZCPQpU3IJAKvB/alntnLhMH8i6Har o8Ca7qmvAnrS2gJSBW38jkbXquRVFeuuXMNQ3FA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=arctest; t=1518960517; bh=7nPynlroHmTKhJ2mtNzJrCuluS AatutwLbr/AEzWZew=; b=NeRa5/rUeKCv/l65qzzgzrldF+g4dZ//7Heo03X3tG D7NV2PN/Vq8Y+PyOMMbJ0z8DvnkaIsVEAF2fbcK77U9P5Dz2n1IboT/MPXUmgk9x OtcDHPMu+zMjPbVO6LefQNyBMFmOtOh0kbP2xwnmZhGC8tPecHo+VXsM5TwNh6Pq Fd1r2L+TBNWNE74ZNcL8dlzETW8tiHuWzm2btn8rpaF+QBAmrXYmvH/8J0T8c6rL 2gHmaZ/kd4rCIFiovIzuPq/8MWWELv2Ely7BqbNy9hQgKQ++S7F52ZiDrZSHNcS5 vMROqnnrcXu9wNfrxen3LrjR7hUh81PWMmsiDXuMEkIQ== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=fail (message has been altered; 2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=Vy8Ia45O x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=none (p=none,has-list-id=yes,d=none) header.from=kernel.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=orgdomain_pass; x-google-dkim=fail (message has been altered; 2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=FW9NqU9s; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kernel.org header.result=pass header_is_org_domain=yes Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=fail (message has been altered; 2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=Vy8Ia45O x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=none (p=none,has-list-id=yes,d=none) header.from=kernel.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=orgdomain_pass; x-google-dkim=fail (message has been altered; 2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=FW9NqU9s; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=kernel.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751428AbeBRN2g (ORCPT ); Sun, 18 Feb 2018 08:28:36 -0500 Received: from mail-qt0-f193.google.com ([209.85.216.193]:43772 "EHLO mail-qt0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751407AbeBRN2e (ORCPT ); Sun, 18 Feb 2018 08:28:34 -0500 X-Google-Smtp-Source: AH8x225Kogu24DY7mfavi3/acOGBplDZpyhMWFEvBDopCJeZGs02gQOpUtuLAe7DeGFlkYHxxnuq8g== Date: Sun, 18 Feb 2018 05:28:30 -0800 From: Tejun Heo To: Hans de Goede Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] libata: Apply NOLPM quirk to Crucial MX100 512GB SSDs Message-ID: <20180218132830.GG695913@devbig577.frc2.facebook.com> References: <20180216094820.3587-1-hdegoede@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180216094820.3587-1-hdegoede@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Fri, Feb 16, 2018 at 10:48:20AM +0100, Hans de Goede wrote: > Various people have reported the Crucial MX100 512GB model not working > with LPM set to min_power. I've now received a report that it also does > not work with the new med_power_with_dipm level. > > It does work with medium_power, but that has no measurable power-savings > and given the amount of people being bitten by the other levels not > working, this commit just disables LPM altogether. > > Note all reporters of this have either the 512GB model (max capacity), or > are not specifying their SSD's size. So for now this quirk assumes this is > a problem with the 512GB model only. > > Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=89261 > Buglink: https://github.com/linrunner/TLP/issues/84 > Cc: stable@vger.kernel.org > Signed-off-by: Hans de Goede Applied to libata/for-4.16-fixes. Thanks. -- tejun