From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-753451-1525472301-2-13024472209175826302 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.249, MAILING_LIST_MULTI -1, RCVD_IN_DNSWL_HI -5, 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=fm2; t= 1525472301; b=hpPAYn5YVvTSFYBX4D3BbAqFCm3a+0ObXWoVioHlxzJBRPAbB8 CtzlGXo+6QOdB7v5c2L4fPWZeH2+GqEp/1Ip5HaE11ZcPE6wabxPThjiq3hxf8X/ HyOsXc/UVtxMDVmd5hDWowf48hueFkq6iX8mMX54Nz64KeHZsKaAdfU9IcT2Jv4K xuMUsjfYHQVI0O4mfLoJAd0PAQoI9xJrLhExyL+nlYWhKYLHtjW+z/d4fmpuGI8g jV341sT/Mt2Znb8odYAq1lSu8IH7vu4Vm4Q/CMDZEAy2J8LcaZJsXkJgUGUSO2lP 6gaJCdCe3ou8otnQQnTDq3LWlADGtQs823eg== 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=fm2; t=1525472301; bh=ZFZE2y+oAhWPpjr3d1+lyACPYFnghD 80yYd9UYROdDM=; b=gtWrRjWDsnfFTeRpleSF6foIeef6WAaa86xU+3AZsBgMTI IcWwf7ghD5rnd6PAmJRtqS2Ljv/VLeFcECGMTigo1FhE5uoEgGu0RH9NlFAD6Q3/ 8EQ4Z/nUVL+r6qUIxwXu6pWYFxtm+Ioc/C5n32HV7szF/9t4dRjWUKocwufU4hXY UVl7mBEp+rFDws/ALFtnAift7W1suL1W25Z1YojVD8z8BF5BEFVJmdZiMtwgxRFt VojGUCYZ3L8vVGEXgEEpprjwr747CLpgDH3yqXWsiXUeo8Q7eoghwRr6FiX28osI mOBzoPrRN+IGI4KJtdkOpPUpuPnl6ryEXTIj/6cg== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=kernel.org header.i=@kernel.org header.b=sMrp4Wx6 x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=default; dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.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=fail; x-cm=none score=0; 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=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=kernel.org header.i=@kernel.org header.b=sMrp4Wx6 x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=default; dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.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=fail; x-cm=none score=0; 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=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfLvdYNeL5pPfgAlDBR0fgBFlrtOBnL83Ed/WY6/aM1l43q/AsR0jak7rCwexj7ubk8j3d2Yvkh7LygWc5iNHhI+fqX13MSWsUBJ79FmcflmgAaHRAM7J LBPaoMTkHE6OQv6buTi69VBi/62Y45L2eoFt5fLcUqpfrBQZ7jgN1LAopf8SWM2x38B4NnMZLovBB254WYZbZOkIUE/p348tLoAbQ+3sCaO/yybZisfwEmaK X-CM-Analysis: v=2.3 cv=WaUilXpX c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=kj9zAlcOel0A:10 a=VUJBJC2UJ8kA:10 a=VnNF1IyMAAAA:8 a=eXG-Qi8uW-7bfI1ljDsA:9 a=CjuIK1q_8ugA:10 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751735AbeEDWST (ORCPT ); Fri, 4 May 2018 18:18:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:57476 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751621AbeEDWST (ORCPT ); Fri, 4 May 2018 18:18:19 -0400 Date: Fri, 4 May 2018 15:18:08 -0700 From: Greg Kroah-Hartman To: Jiri Slaby Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Martin Schwidefsky , David Hildenbrand , Cornelia Huck Subject: Re: [PATCH 4.4 15/50] s390/alternative: use a copy of the facility bit mask Message-ID: <20180504221808.GB24813@kroah.com> References: <20180427135655.623669681@linuxfoundation.org> <20180427135656.637526548@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.5 (2018-04-13) 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, May 04, 2018 at 09:37:20AM +0200, Jiri Slaby wrote: > On 04/27/2018, 03:58 PM, Greg Kroah-Hartman wrote: > > 4.4-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Martin Schwidefsky > > > > > > [ Upstream commit cf1489984641369611556bf00c48f945c77bcf02 ] > > > > To be able to switch off specific CPU alternatives with kernel parameters > > make a copy of the facility bit mask provided by STFLE and use the copy > > for the decision to apply an alternative. > ... > > --- a/arch/s390/include/asm/facility.h > > +++ b/arch/s390/include/asm/facility.h > > @@ -13,6 +13,24 @@ > > > > #define MAX_FACILITY_BIT (256*8) /* stfle_fac_list has 256 bytes */ > > I wonder if the below (plus __test_facility) is correct in 4.4, given > MAX_FACILITY_BIT is defined as such and not as sizeof(stfle_fac_list * > 8) as in upstream? I'm going to defer to Marin here, as he did the backport... Martin? thanks, greg k-h