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=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 6CEC5FA372A for ; Thu, 17 Oct 2019 21:51:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40988222C4 for ; Thu, 17 Oct 2019 21:51:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571349096; bh=8t8Osn2bBpSkMPhc9KwPHRxGy+rDT03xZnVB3CMrHU0=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=lPxniWNyhw1HhHDnLTWL88ZWX2yE7nnpHHIzxWL9DKvxjLsI1+5IirOqIWT1+rw/I 69fKrumb7MAewahfpAEqag7piVKZK3IDa0UJcJPmFYUBGKDmqpK1EK02fASyTn4lX5 tM9h5rbHHw1iuTJM/P9CoA4LmhuFPbBKQIFNlqbw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406381AbfJQVvf (ORCPT ); Thu, 17 Oct 2019 17:51:35 -0400 Received: from mail-oi1-f195.google.com ([209.85.167.195]:39245 "EHLO mail-oi1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391375AbfJQVvf (ORCPT ); Thu, 17 Oct 2019 17:51:35 -0400 Received: by mail-oi1-f195.google.com with SMTP id w144so3506707oia.6; Thu, 17 Oct 2019 14:51:34 -0700 (PDT) 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=+J2DBkNb5KYxlKMZS6vCmoqrW/aI/+plqzZy42kR2vY=; b=RmjpNHiuaqUQ/FB9rhh0PFeY0Mhw62WfYpKXAATVDCdRh428XNHyZRH0Qh0zSB/b1l gCQL+2g2pmBc/I6YauK0Y/UgMvg4z8U55h9p9fXmm7I03m2/JqaBWmct3UPBdR/Hotzk JNp/JAMzkEFOBoPZlIgXqYZGjYw8iVtkjPdZhiF6ByoLNEAKqWHBM6McpvXFnjNWYPFO ZcSHIkNmqAutcOFouyiA+yN52YKTLrhG1W3sPzENjb19r4AeaB1F+vwVnKe6ZoFFESI9 n9DOIeI/z8ybS+ABA4bABfSP1I1LB71bJX/9n1sIREYNQn+iJh5d59pbunj+lr2WVC/0 3Amw== X-Gm-Message-State: APjAAAX5+mUU0sVpYI5kpMzKnWZ6IyiDxAJz2kHgsf1x6oEobVzBj1OU AipQ7Z66goINbnjomtkTCF26sytdd7w5g4J+5i4= X-Google-Smtp-Source: APXvYqztVvkd2YtllgVC6HXiuMHbmE00RJ4CoT12f9VOgIWI442lqMSocDdFiqwMxrKQA4iPe16ChL0BdMMlhG50NrQ= X-Received: by 2002:a05:6808:917:: with SMTP id w23mr4924079oih.68.1571349094483; Thu, 17 Oct 2019 14:51:34 -0700 (PDT) MIME-Version: 1.0 References: <157118756627.2063440.9878062995925617180.stgit@dwillia2-desk3.amr.corp.intel.com> <157118762585.2063440.11707736302358197199.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <157118762585.2063440.11707736302358197199.stgit@dwillia2-desk3.amr.corp.intel.com> From: "Rafael J. Wysocki" Date: Thu, 17 Oct 2019 23:51:23 +0200 Message-ID: Subject: Re: [PATCH v7 11/12] acpi/numa/hmat: Register HMAT at device_initcall level To: Dan Williams Cc: Ingo Molnar , "Rafael J. Wysocki" , Len Brown , Keith Busch , Jonathan Cameron , Dave Hansen , Peter Zijlstra , Vishal Verma , Ard Biesheuvel , "the arch/x86 maintainers" , linux-efi , Linux Kernel Mailing List , ACPI Devel Maling List Content-Type: text/plain; charset="UTF-8" Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Wed, Oct 16, 2019 at 3:14 AM Dan Williams wrote: > > In preparation for registering device-dax instances for accessing EFI > specific-purpose memory, arrange for the HMAT registration to occur > later in the init process. Critically HMAT initialization needs to occur > after e820__reserve_resources_late() which is the point at which the > iomem resource tree is populated with "Application Reserved" > (IORES_DESC_APPLICATION_RESERVED). e820__reserve_resources_late() > happens at subsys_initcall time. > > Cc: "Rafael J. Wysocki" > Cc: Len Brown > Cc: Keith Busch > Cc: Jonathan Cameron > Reviewed-by: Dave Hansen > Signed-off-by: Dan Williams Acked-by: Rafael J. Wysocki > --- > drivers/acpi/numa/hmat.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c > index 8f9a28a870b0..4707eb9dd07b 100644 > --- a/drivers/acpi/numa/hmat.c > +++ b/drivers/acpi/numa/hmat.c > @@ -748,4 +748,4 @@ static __init int hmat_init(void) > acpi_put_table(tbl); > return 0; > } > -subsys_initcall(hmat_init); > +device_initcall(hmat_init); >