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Peter Anvin" , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Lukas Bulwahn Subject: [PATCH 1/4] xen: x86: set the config XEN_512GB after config change Date: Wed, 10 Aug 2022 07:07:09 +0200 Message-Id: <20220810050712.9539-2-lukas.bulwahn@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220810050712.9539-1-lukas.bulwahn@gmail.com> References: <20220810050712.9539-1-lukas.bulwahn@gmail.com> Commit c70727a5bc18 ("xen: allow more than 512 GB of RAM for 64 bit pv-domains") from July 2015 replaces the config XEN_MAX_DOMAIN_MEMORY with a new config XEN_512GB, but misses to adjust arch/x86/configs/xen.config. Adjust this config fragment now. Signed-off-by: Lukas Bulwahn --- arch/x86/configs/xen.config | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/configs/xen.config b/arch/x86/configs/xen.config index d9fc7139fd46..8a6c88f48e75 100644 --- a/arch/x86/configs/xen.config +++ b/arch/x86/configs/xen.config @@ -14,7 +14,7 @@ CONFIG_CPU_FREQ=y # x86 xen specific config options CONFIG_XEN_PVH=y -CONFIG_XEN_MAX_DOMAIN_MEMORY=500 +CONFIG_XEN_512GB=y CONFIG_XEN_SAVE_RESTORE=y # CONFIG_XEN_DEBUG_FS is not set CONFIG_XEN_MCE_LOG=y From patchwork Wed Aug 10 05:07:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukas Bulwahn X-Patchwork-Id: 12940227 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DA3FFC25B0C for ; Wed, 10 Aug 2022 05:07:58 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.383325.618493 (Exim 4.92) (envelope-from ) id 1oLdwY-0005Wo-6k; Wed, 10 Aug 2022 05:07:46 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 383325.618493; Wed, 10 Aug 2022 05:07:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oLdwY-0005Ul-0q; Wed, 10 Aug 2022 05:07:46 +0000 Received: by outflank-mailman (input) for mailman id 383325; Wed, 10 Aug 2022 05:07:44 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oLdwW-0005BF-UZ for xen-devel@lists.xenproject.org; Wed, 10 Aug 2022 05:07:44 +0000 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [2a00:1450:4864:20::530]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 5e018c6b-186a-11ed-924f-1f966e50362f; Wed, 10 Aug 2022 07:07:44 +0200 (CEST) Received: by mail-ed1-x530.google.com with SMTP id b16so17607439edd.4 for ; Tue, 09 Aug 2022 22:07:44 -0700 (PDT) Received: from felia.fritz.box (200116b826504800504e9aff21bf95aa.dip.versatel-1u1.de. 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Peter Anvin" , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Lukas Bulwahn Subject: [PATCH 2/4] xen: remove XEN_SCRUB_PAGES in xen.config Date: Wed, 10 Aug 2022 07:07:10 +0200 Message-Id: <20220810050712.9539-3-lukas.bulwahn@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220810050712.9539-1-lukas.bulwahn@gmail.com> References: <20220810050712.9539-1-lukas.bulwahn@gmail.com> Commit 197ecb3802c0 ("xen/balloon: add runtime control for scrubbing ballooned out pages") changed config XEN_SCRUB_PAGES to config XEN_SCRUB_PAGES_DEFAULT. As xen.config sets 'XEN_BALLOON=y' and XEN_SCRUB_PAGES_DEFAULT defaults to yes, there is no further need to set this config in the xen.config file. Remove setting XEN_SCRUB_PAGES in xen.config, which is without effect since the commit above anyway. Signed-off-by: Lukas Bulwahn Reviewed-by: Juergen Gross --- kernel/configs/xen.config | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/configs/xen.config b/kernel/configs/xen.config index ff756221f112..436f806aa1ed 100644 --- a/kernel/configs/xen.config +++ b/kernel/configs/xen.config @@ -34,7 +34,6 @@ CONFIG_INPUT_XEN_KBDDEV_FRONTEND=m CONFIG_XEN_SCSI_FRONTEND=m # others CONFIG_XEN_BALLOON=y -CONFIG_XEN_SCRUB_PAGES=y CONFIG_XEN_DEV_EVTCHN=m CONFIG_XEN_BLKDEV_FRONTEND=m CONFIG_XEN_NETDEV_FRONTEND=m From patchwork Wed Aug 10 05:07:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukas Bulwahn X-Patchwork-Id: 12940226 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 00B11C25B07 for ; Wed, 10 Aug 2022 05:07:57 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.383326.618509 (Exim 4.92) (envelope-from ) id 1oLdwa-0005yz-DZ; Wed, 10 Aug 2022 05:07:48 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 383326.618509; Wed, 10 Aug 2022 05:07:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oLdwa-0005yq-AL; Wed, 10 Aug 2022 05:07:48 +0000 Received: by outflank-mailman (input) for mailman id 383326; Wed, 10 Aug 2022 05:07:46 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oLdwY-0005Qe-Nq for xen-devel@lists.xenproject.org; Wed, 10 Aug 2022 05:07:46 +0000 Received: from mail-ej1-x633.google.com (mail-ej1-x633.google.com [2a00:1450:4864:20::633]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 5f10a15b-186a-11ed-bd2e-47488cf2e6aa; Wed, 10 Aug 2022 07:07:46 +0200 (CEST) Received: by mail-ej1-x633.google.com with SMTP id gb36so25648268ejc.10 for ; Tue, 09 Aug 2022 22:07:46 -0700 (PDT) Received: from felia.fritz.box (200116b826504800504e9aff21bf95aa.dip.versatel-1u1.de. 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Peter Anvin" , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Lukas Bulwahn Subject: [PATCH 3/4] xen: move XEN_BALLOON_MEMORY_HOTPLUG to generic config Date: Wed, 10 Aug 2022 07:07:11 +0200 Message-Id: <20220810050712.9539-4-lukas.bulwahn@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220810050712.9539-1-lukas.bulwahn@gmail.com> References: <20220810050712.9539-1-lukas.bulwahn@gmail.com> While reviewing arch/x86/configs/xen.config, I noticed the following note in this file: '# depends on MEMORY_HOTPLUG, arm64 doesn't enable this yet, '# move to generic config if it ever does. CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y Commit 6c6685055a28 ("kconfig: add xenconfig defconfig helper") in June 2015 adds this note. Fortunately, commit 4ab215061554 ("arm64: Add memory hotplug support") from December 2018 adds the memory hotplug in arm64, so the precondition of this note above is now met. Move setting the config XEN_BALLOON_MEMORY_HOTPLUG into the generic xen.config now. Signed-off-by: Lukas Bulwahn --- arch/x86/configs/xen.config | 3 --- kernel/configs/xen.config | 1 + 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/configs/xen.config b/arch/x86/configs/xen.config index 8a6c88f48e75..024817bc4f0e 100644 --- a/arch/x86/configs/xen.config +++ b/arch/x86/configs/xen.config @@ -23,6 +23,3 @@ CONFIG_XEN_ACPI_PROCESSOR=m CONFIG_XEN_PCIDEV_BACKEND=m # x86 specific frontend drivers CONFIG_XEN_PCIDEV_FRONTEND=m -# depends on MEMORY_HOTPLUG, arm64 doesn't enable this yet, -# move to generic config if it ever does. -CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y diff --git a/kernel/configs/xen.config b/kernel/configs/xen.config index 436f806aa1ed..ea84d5b3122d 100644 --- a/kernel/configs/xen.config +++ b/kernel/configs/xen.config @@ -34,6 +34,7 @@ CONFIG_INPUT_XEN_KBDDEV_FRONTEND=m CONFIG_XEN_SCSI_FRONTEND=m # others CONFIG_XEN_BALLOON=y +CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y CONFIG_XEN_DEV_EVTCHN=m CONFIG_XEN_BLKDEV_FRONTEND=m CONFIG_XEN_NETDEV_FRONTEND=m From patchwork Wed Aug 10 05:07:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukas Bulwahn X-Patchwork-Id: 12940228 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 353E4C19F2A for ; Wed, 10 Aug 2022 05:07:58 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.383328.618520 (Exim 4.92) (envelope-from ) id 1oLdwc-0006JG-OU; Wed, 10 Aug 2022 05:07:50 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 383328.618520; Wed, 10 Aug 2022 05:07:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oLdwc-0006Ix-KV; Wed, 10 Aug 2022 05:07:50 +0000 Received: by outflank-mailman (input) for mailman id 383328; Wed, 10 Aug 2022 05:07:48 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oLdwa-0005BF-LX for xen-devel@lists.xenproject.org; Wed, 10 Aug 2022 05:07:48 +0000 Received: from mail-ej1-x632.google.com (mail-ej1-x632.google.com [2a00:1450:4864:20::632]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 603d2cd6-186a-11ed-924f-1f966e50362f; Wed, 10 Aug 2022 07:07:48 +0200 (CEST) Received: by mail-ej1-x632.google.com with SMTP id k26so25713418ejx.5 for ; Tue, 09 Aug 2022 22:07:48 -0700 (PDT) Received: from felia.fritz.box (200116b826504800504e9aff21bf95aa.dip.versatel-1u1.de. 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Peter Anvin" , kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Lukas Bulwahn Subject: [PATCH 4/4] MAINTAINERS: add xen config fragments to XEN HYPERVISOR sections Date: Wed, 10 Aug 2022 07:07:12 +0200 Message-Id: <20220810050712.9539-5-lukas.bulwahn@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220810050712.9539-1-lukas.bulwahn@gmail.com> References: <20220810050712.9539-1-lukas.bulwahn@gmail.com> Make changes to the xen config fragments reach the XEN HYPERVISOR maintainers and mailing list. Signed-off-by: Lukas Bulwahn Reviewed-by: Juergen Gross --- MAINTAINERS | 2 ++ 1 file changed, 2 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index ee2098fc6f7c..6c2516b3da21 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -22217,12 +22217,14 @@ F: drivers/*/xen-*front.c F: drivers/xen/ F: include/uapi/xen/ F: include/xen/ +F: kernel/configs/xen.config XEN HYPERVISOR X86 M: Juergen Gross R: Boris Ostrovsky L: xen-devel@lists.xenproject.org (moderated for non-subscribers) S: Supported +F: arch/x86/configs/xen.config F: arch/x86/include/asm/pvclock-abi.h F: arch/x86/include/asm/xen/ F: arch/x86/platform/pvh/