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=-7.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 5D262C433E0 for ; Sat, 1 Aug 2020 16:37:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1E11A207BC for ; Sat, 1 Aug 2020 16:37:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=intel-com.20150623.gappssmtp.com header.i=@intel-com.20150623.gappssmtp.com header.b="sLJ2YymD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E11A207BC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 867B88D0094; Sat, 1 Aug 2020 12:37:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7F1728D0081; Sat, 1 Aug 2020 12:37:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6B8F68D0094; Sat, 1 Aug 2020 12:37:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0219.hostedemail.com [216.40.44.219]) by kanga.kvack.org (Postfix) with ESMTP id 514E98D0081 for ; Sat, 1 Aug 2020 12:37:02 -0400 (EDT) Received: from smtpin24.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id D1D78181AEF15 for ; Sat, 1 Aug 2020 16:37:01 +0000 (UTC) X-FDA: 77102554242.24.quilt86_20029a626f8d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin24.hostedemail.com (Postfix) with ESMTP id A22531A4A0 for ; Sat, 1 Aug 2020 16:37:01 +0000 (UTC) X-HE-Tag: quilt86_20029a626f8d X-Filterd-Recvd-Size: 4560 Received: from mail-ej1-f66.google.com (mail-ej1-f66.google.com [209.85.218.66]) by imf45.hostedemail.com (Postfix) with ESMTP for ; Sat, 1 Aug 2020 16:37:00 +0000 (UTC) Received: by mail-ej1-f66.google.com with SMTP id c16so14046693ejx.12 for ; Sat, 01 Aug 2020 09:37:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=7nWoFZS16KHN7ELInZM3NkAqbsw8HmgfQtV5PkaAdOs=; b=sLJ2YymDgCE2aYqkgcFgGI6naddEomHT1AI/LblO1I2CIpKzR/X4HC0D8kFfsN6b+L XCYiypkgq9U/ws9p617+waX57F8r3r9xw2IEJINKnzTBI1kuSBY9ijEvHwlcNtuSjqeZ Hc2tgLSldiumX+1XnZPsDgJMdf1x61SK6XNyMc3TiFxkjVUQDHk06pK8LV6TXULby89E Q+sc+6B4I8vfJLc3o9x4Nzoa4qysw9eANsa9JKWVrWyM3DFMjubaz5YpI0uzS2O4ob16 LSXsaZKRopTp92npa1jce/IFsU1kV5YolRnKSOBrqMK/vKjOiSQ1Nztp40qAyj1R/fd9 WV0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=7nWoFZS16KHN7ELInZM3NkAqbsw8HmgfQtV5PkaAdOs=; b=S208w8PY0kFvBcUbN32Vzl13iLAR4yoQZh5jCAHvJ3q+4RXto9iAKhKuIN89z0b8XG 0qbvF93OrTARIcNSBuHRbb37TVNCEW+D+Fuo6muftNV1oLpBaaA4o2oxPaspYVpu8ij2 Pg2kj6GsrbiyD6CUwjihsikGXtPdH200Fiuq3UPLEjrW2UQ8QH9PctC9A2TejOvmkjLu dn77oD5R1mpRuzjBwJqVLsfkOO/B3rGMrRIkxCsTLLOVmumS3viLxAvle686FmCjRMJb j/3fj/9VUaV0yvA/yDun7/dfX2Fej6S6GqntD0wNvLR68HVLI9Nqh/xL0sNGLpEdl/iT 41+g== X-Gm-Message-State: AOAM532Qh7CwOVEG6p4Y20Dtq/79Of7vsrNvNLk36s41LbcF1MiIS1ab 6fsCdidStKgxV+oXQBcJm5eKBz2w5rUXgpzXKK2JZA== X-Google-Smtp-Source: ABdhPJxOFGsY8qnjWmioIMQMzSoQMpAmcXHTZevYKI2hHLGadP9/WqNGAW9biPUhi7/KRXBONqPTrbpeIRc4H0g10M8= X-Received: by 2002:a17:907:72c8:: with SMTP id du8mr9038155ejc.237.1596299819131; Sat, 01 Aug 2020 09:36:59 -0700 (PDT) MIME-Version: 1.0 References: <159625229779.3040297.11363509688097221416.stgit@dwillia2-desk3.amr.corp.intel.com> <159625231266.3040297.2759117253481288037.stgit@dwillia2-desk3.amr.corp.intel.com> <545078f8-d6d3-5db7-02f6-648218513752@infradead.org> In-Reply-To: <545078f8-d6d3-5db7-02f6-648218513752@infradead.org> From: Dan Williams Date: Sat, 1 Aug 2020 09:36:48 -0700 Message-ID: Subject: Re: [PATCH v3 02/23] x86/numa: Add 'nohmat' option To: Randy Dunlap Cc: Andrew Morton , X86 ML , "Rafael J. Wysocki" , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Vishal L Verma , Ard Biesheuvel , Linux MM , linux-nvdimm , Joao Martins , Linux Kernel Mailing List , Linux ACPI , Maling list - DRI developers Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: A22531A4A0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jul 31, 2020 at 8:51 PM Randy Dunlap wrote: > > On 7/31/20 8:25 PM, Dan Williams wrote: > > Disable parsing of the HMAT for debug, to workaround broken platform > > instances, or cases where it is otherwise not wanted. > > > > --- > > arch/x86/mm/numa.c | 2 ++ > > drivers/acpi/numa/hmat.c | 8 +++++++- > > include/acpi/acpi_numa.h | 8 ++++++++ > > 3 files changed, 17 insertions(+), 1 deletion(-) > > > > diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c > > index 87c52822cc44..f3805bbaa784 100644 > > --- a/arch/x86/mm/numa.c > > +++ b/arch/x86/mm/numa.c > > @@ -41,6 +41,8 @@ static __init int numa_setup(char *opt) > > return numa_emu_cmdline(opt + 5); > > if (!strncmp(opt, "noacpi", 6)) > > disable_srat(); > > + if (!strncmp(opt, "nohmat", 6)) > > + disable_hmat(); > > Hopefully that will be documented in > Documentation/x86/x86_64/boot-options.rst. Sorry, yes, you gave that feedback before. I can do a quick respin with this and the kbuild-robot compile fixups.