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=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 E087CC31E45 for ; Thu, 13 Jun 2019 16:52:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B29122084D for ; Thu, 13 Jun 2019 16:52:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=axtens.net header.i=@axtens.net header.b="ayqIIySK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730582AbfFMQwF (ORCPT ); Thu, 13 Jun 2019 12:52:05 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:46896 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730128AbfFMDZM (ORCPT ); Wed, 12 Jun 2019 23:25:12 -0400 Received: by mail-pf1-f196.google.com with SMTP id 81so10855852pfy.13 for ; Wed, 12 Jun 2019 20:25:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axtens.net; s=google; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=na+M1IgMGaM0aP15I3XbgNE1q19snWq8SHI4WbjnUi8=; b=ayqIIySKl6kes4w9jYHEywIJSvRDA1zi9AMajnhKYpTxcdVuBdAgsWgJaGqrz7xwF+ 9RC/evdpHaaIJEqxagLrwVocrWh3UMlFyW9tMnoHoIj67T2hZWr+R1JYWozCB1qocR0C cgnBD4a+F5VS9acKQF05CqFm3K2gf7BOYvzfU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=na+M1IgMGaM0aP15I3XbgNE1q19snWq8SHI4WbjnUi8=; b=MfXiRFDKoduUZNyQbs9MDpN6hj9vxAfxDLsLBzBTl3cC9C/ac0XMorBt4Vx6WHyaCg 2MwXyhMmX/W+YfNA5ADtOaYOXxN6memxlLzouojHPokNeVo8clO9jqYvTIMBdFtIFa5I QcPrGGJ+Jfy6o0AQRKdEoppJV0zCR7a39nL0njWFv52JLkEzABK4w6h3WIvnqeHEe8Tu ylrH67BsnXSOHhkTVdlFWE2vs8WDkmcNhextxbobjME507kTjsTqawTYvzGCiXGm7jIh 324gQfyKkHEIQimL9llJDRgUsEMFQbE0IiAA9Apf0kbMIHN0/jmg27F0KSRW0KpFD57k OFow== X-Gm-Message-State: APjAAAUG2YirNVjvTnhQon2wMGRZnBjyPtqWPDfy+nx0cPAyn5ewAo78 Y6oqc40BeBtGg8pnnVyldq/gYL2dIMw= X-Google-Smtp-Source: APXvYqyM53aFUeG9U9Tc6RAfzM93Fkh7XJF4rWPgPyOYiilGDKKp1+at7vv7zLSJgsW+VMFEfd9C/Q== X-Received: by 2002:a17:90a:1951:: with SMTP id 17mr2512798pjh.79.1560396311357; Wed, 12 Jun 2019 20:25:11 -0700 (PDT) Received: from localhost (ppp167-251-205.static.internode.on.net. [59.167.251.205]) by smtp.gmail.com with ESMTPSA id w132sm959398pfd.78.2019.06.12.20.25.09 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Wed, 12 Jun 2019 20:25:10 -0700 (PDT) From: Daniel Axtens To: Pawel Dembicki Cc: Pawel Dembicki , Christian Lamparter , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] powerpc: Enable kernel XZ compression option on PPC_85xx In-Reply-To: <20190603164115.27471-1-paweldembicki@gmail.com> References: <20190603164115.27471-1-paweldembicki@gmail.com> Date: Thu, 13 Jun 2019 13:25:05 +1000 Message-ID: <877e9qp3ou.fsf@dja-thinkpad.axtens.net> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pawel Dembicki writes: > Enable kernel XZ compression option on PPC_85xx. Tested with > simpleImage on TP-Link TL-WDR4900 (Freescale P1014 processor). > > Suggested-by: Christian Lamparter > Signed-off-by: Pawel Dembicki > --- > arch/powerpc/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > index 8c1c636308c8..daf4cb968922 100644 > --- a/arch/powerpc/Kconfig > +++ b/arch/powerpc/Kconfig > @@ -196,7 +196,7 @@ config PPC > select HAVE_IOREMAP_PROT > select HAVE_IRQ_EXIT_ON_IRQ_STACK > select HAVE_KERNEL_GZIP > - select HAVE_KERNEL_XZ if PPC_BOOK3S || 44x > + select HAVE_KERNEL_XZ if PPC_BOOK3S || 44x || PPC_85xx (I'm not super well versed in the compression stuff, so apologies if this is a dumb question.) If it's this simple, is there any reason we can't turn it on generally, or convert it to a blacklist of platforms known not to work? Regards, Daniel > select HAVE_KPROBES > select HAVE_KPROBES_ON_FTRACE > select HAVE_KRETPROBES > -- > 2.20.1