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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> X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1660108090141100007 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=3Dy =20 # x86 xen specific config options CONFIG_XEN_PVH=3Dy -CONFIG_XEN_MAX_DOMAIN_MEMORY=3D500 +CONFIG_XEN_512GB=3Dy CONFIG_XEN_SAVE_RESTORE=3Dy # CONFIG_XEN_DEBUG_FS is not set CONFIG_XEN_MCE_LOG=3Dy --=20 2.17.1 From nobody Fri May 17 07:47:12 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1660108087; cv=none; d=zohomail.com; s=zohoarc; b=MG16Ohu7pW9j5sBkMfdrr/4VrAzURORkuxVgHSZIkYnX2BsvwHq3Qq3lFWfoVcjUUMCH4RQXxjE4awISWIz72xRhLJXZZpVrcs331Wdr2tUytCjLHYsQbtGqQWk0vr6T1XH8QijFmJ3f4eb+xRownrCT3lutUPQcRF5viR+iJcY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1660108087; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=/QGtQjFwrpxqvD/2kl5l0yjrJcEXf60xBhPRPT4PMoA=; b=ebvZZR1hSZgTwWQTlBMDdmKbFIuSghP6eHei5Ch4xtZOlEPSKK1a94wuYWDo10czfUnvAfBzeqpF5JUv6Hgek3dLJR5I56y/cYBwrBLm0icOmdNbAN4DVZIv8BkF5nLpeoHnnLHN3Ox05VrSWTuP0jQcc9kPrMOOfb+SRWn/VN8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1660108087712701.0618033890979; Tue, 9 Aug 2022 22:08:07 -0700 (PDT) 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 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> X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1660108088233100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=3Dy' 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=3Dm CONFIG_XEN_SCSI_FRONTEND=3Dm # others CONFIG_XEN_BALLOON=3Dy -CONFIG_XEN_SCRUB_PAGES=3Dy CONFIG_XEN_DEV_EVTCHN=3Dm CONFIG_XEN_BLKDEV_FRONTEND=3Dm CONFIG_XEN_NETDEV_FRONTEND=3Dm --=20 2.17.1 From nobody Fri May 17 07:47:12 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1660108093; cv=none; d=zohomail.com; s=zohoarc; b=F4NpItedzGCEXd0uCw4pucgZOOqczsCmuc3v/sVLkivrlRTYR2PNl6tjTps7gmvcpsFukcQdCYxqLBGBbg45F4P55sL0l56trcGU89Va+N2NRMbX382hRLse976x5TY6SpU0gM3TT6JjNfhRJV7L0AgNXs79K//2MfPSjyEHkP8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1660108093; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=bCpmS8+/1egQCooQQ3as3vVr8d5Z062qoLdPw2AMxfk=; b=G++qFJ+R0JLjc6Vji/UkupCWjD7+tIp8osKgdFnSY0SFoShETKY3o94VRGoA3B9zksLxJC1tX6oQKaDyCF8rv7SyrudieKhCpq85zLzjnEUk16nVS52Gktv5nb0XBzEMuEXTDGCm29XQ07gdRQblx2BjIbmlpvTegr7N/U0YreI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1660108093628885.2203397255664; Tue, 9 Aug 2022 22:08:13 -0700 (PDT) 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 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> X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1660108093929100001 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=3Dy 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=3Dm CONFIG_XEN_PCIDEV_BACKEND=3Dm # x86 specific frontend drivers CONFIG_XEN_PCIDEV_FRONTEND=3Dm -# depends on MEMORY_HOTPLUG, arm64 doesn't enable this yet, -# move to generic config if it ever does. -CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=3Dy 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=3Dm CONFIG_XEN_SCSI_FRONTEND=3Dm # others CONFIG_XEN_BALLOON=3Dy +CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=3Dy CONFIG_XEN_DEV_EVTCHN=3Dm CONFIG_XEN_BLKDEV_FRONTEND=3Dm CONFIG_XEN_NETDEV_FRONTEND=3Dm --=20 2.17.1 From nobody Fri May 17 07:47:12 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1660108088; cv=none; d=zohomail.com; s=zohoarc; b=CDySZ2kiApZF+d1wv1+G9Lpr65A5vDPdO9bGFJ/MImDfmb5OWWdFMoEFwM2k3KTivHeYrkFYT2DApgFxEpwxEq6LkRGwXchwxmpYI8XfVwsp6/fdIiW1bE34o/cx7NJRaZvKfRu8bAYiepoV4Z7DxlMxXg0JLDWft2rZG7kn/qw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1660108088; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=AYDlJnJ9PdqwWRCOXeLaxSS9GQWnExGZMPNDuuoNCE8=; b=LjvgX8uwr7EBt9dHOSFylJfN62HlDwmMCwwY632rSiHWXzWXVVJ4eLgjBuc30LCbb0uhkDRUnLkuXyArU2TNh7NbAmuY70sp/TYAO0gPMUuDOBEHwSolzY7Wa0X/LLPaI7EAj680AIMYwNxhORe4pRAgOW9mKSLM1ObthI4P0Zk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1660108088270433.7945163286397; Tue, 9 Aug 2022 22:08:08 -0700 (PDT) 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 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> X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1660108089920100003 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 =20 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/ --=20 2.17.1