From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-171462-1519305415-2-2581462719789000595 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 0.001, ME_NOAUTH 0.01, 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='CN', FromHeader='au', MailFrom='org' X-Spam-charsets: 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=1519305414; b=saZwMsaSwMifZyageGIp5IPF7KNtwdwAzqRRfRKuqFwQDWN IMhvCyFjXxZuhZI2LpFK9irLWRRtCQuIcyklDbFIxnaozqKV4+55Y4RXiC03d4El e6yxPZVm8xtgx05OkNBLtkm7kO59ubbaV7fTuCqYw9a/dpUl3JRuKZNacL/FFndG e+cLCXJ3PRnyifnDJieRPRSvCxcjCRt2IXW2zOS0gwK7E3M/S8B76fEvsnEwY1Ge zo3+2wTztQja5SnULFTV8nPwpx4xKawZk5GXuZ/Fdix2e/LGZstn33BacJKXQEKg xysfZcOqEGNBVbFNrWxjjIUBcd9L6klU4W3tTQw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:in-reply-to:references :date:message-id:mime-version:content-type:sender:list-id; s= arctest; t=1519305414; bh=QiGmOhWmPO3WAHHLizd0lBVjVKkYA289bFzK2S jTsOk=; b=e0ItH9glI/Qht0Dk5RCdprglbxa5mHJ75FuPaBzzxtjUmpyG3LVEmb UJvQk1yFnpa/v6Q5g7wZXuhBPPBr2T3M3e+DxeILmRXLyTLQcZjolMQ46ziRf18f BXO478g8V3byuQz82I9AqiEwZNSfTFr+MhFJzF2QG5fhGUujaDtiqMo0/AzSGuuo 0iPpWcHE9NRmLo9lOMonoFwCkCaM3BddMg3fc+7c5qfm6OaLh47DDX8mJZFNohP4 357CqIEoKZiBOFi0EyNw1dVzSDwombizSBBnl88lTAgEcqSYY7AFgQRJnUs27Ibk Y9fFnpW/iRnKNJkOhoukvexZ9KEFug7A== ARC-Authentication-Results: i=1; mx3.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=ellerman.id.au; 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-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=ellerman.id.au header.result=pass header_is_org_domain=yes Authentication-Results: mx3.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=ellerman.id.au; 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-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=ellerman.id.au header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932475AbeBVNQj (ORCPT ); Thu, 22 Feb 2018 08:16:39 -0500 Received: from ozlabs.org ([103.22.144.67]:47859 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932470AbeBVNQh (ORCPT ); Thu, 22 Feb 2018 08:16:37 -0500 From: Michael Ellerman To: Yves-Alexis Perez , Greg Kroah-Hartman , linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org, Guenter Roeck , Nicholas Piggin Subject: Re: [PATCH 4.9 34/77] powerpc: fix build errors in stable tree In-Reply-To: <1519292030.2388.14.camel@debian.org> References: <20180221124432.172390020@linuxfoundation.org> <20180221124433.618725458@linuxfoundation.org> <87k1v5rg66.fsf@concordia.ellerman.id.au> <1519292030.2388.14.camel@debian.org> Date: Fri, 23 Feb 2018 00:16:34 +1100 Message-ID: <874lm9qi4t.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain 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: Yves-Alexis Perez writes: > On Thu, 2018-02-22 at 12:01 +1100, Michael Ellerman wrote: >> So I guess this patch is OK for now, but we do need a full back port of >> 222f20f to 4.9. > > Hi, > > in the light of this, do you know the full status of protections against > Meltdown on powerpc/ppc64el architecures on 4.9? With the patches I just sent, for pseries and powernv, the mitigation should be in place. On machines with updated firmware we'll use the hardware-assisted L1 flush, otherwise we fallback to doing it in software. cheers