Received: by 2002:a05:7412:8d10:b0:f3:1519:9f41 with SMTP id bj16csp2851822rdb; Sat, 9 Dec 2023 01:27:28 -0800 (PST) X-Google-Smtp-Source: AGHT+IGb2syBCCPAiZzXL7j3LN5x7Dhh87dWdzjvDCJTdzpVzatD4cN1D3FB4crLqorGLAZl6j+9 X-Received: by 2002:a17:903:1205:b0:1d0:af43:9354 with SMTP id l5-20020a170903120500b001d0af439354mr1193123plh.100.1702114048503; Sat, 09 Dec 2023 01:27:28 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1702114048; cv=none; d=google.com; s=arc-20160816; b=Sddvrya3KMDXJkSA+O+w9OZHpWEChN9WznY6JWKd3yMOcqphOIUP2RV2dyMjjRY5DG +cYdallXHk+XUXr5AvVutw8S67LkN6dH5PItgD0BGIEw82RG42pBSyqK+mgRV99AiQ5m GTT4SaOVrWSCLCbPVhz4r5Qy+El5HiUIQ+MaVSbp4TfpVohSz7HK3CGAj5NP8EtwfDpw uV1RGiZlcipgBP0Ug5XOOs4kfB7Cl6+Bt9Izov+uygh6i9IPYFLasomjC8uNHYiU9SFQ TseRbWoeWWir66ehTQJMWR/yT8ImrAOnqtbxvRCV3Ykr0w9KUKckwEC+i3rSn0zJGS1r qRXw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id:dkim-signature; bh=lpm2Ec+ZtdRX2kOQhYV7jvujbxIe5cPFY0JvY5kUk9c=; fh=gfOu9i0qpyaUCCqaLkSZqyspU0QBKUctQCJVZJ5LP/o=; b=wefj5jSnlEXb+dm0/DxKxzPyBBGXzUOwDMTb9BFmIRm7IqL9f6boIU6o/lD8qXfs3K 7pyEEdJSwATd4yGcVaGLB7Ef6X3kdkthHRwvBqmPBKSjYOjfh6VP6SBJbizdmyu8WYH6 dJDQ8gdho/ZY9q0pTtP4c1XXcM2Z/hwVAwh/dRo23cjko0j4/0QuXlKowYd6url2pwNM Q6pYirPXqMCk4nTl7ssJzoUG9dkQbkBDn4kb1ZcxJMvmb1+gSMdW6dTWAE+q7mY1/nED 0abTgfgbctSCwK5k0JdbbVAcUSX37n+1eTKgOmJeCF/ULxm1tbhCF/PBC2muU8afRGX3 KZIQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=Lgp4zW9v; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Return-Path: Received: from snail.vger.email (snail.vger.email. [23.128.96.37]) by mx.google.com with ESMTPS id jc19-20020a17090325d300b001d0c9868aadsi2844427plb.227.2023.12.09.01.27.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 09 Dec 2023 01:27:28 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) client-ip=23.128.96.37; Authentication-Results: mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=Lgp4zW9v; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id B1AE780615C5; Sat, 9 Dec 2023 01:27:27 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229779AbjLIJXH (ORCPT + 99 others); Sat, 9 Dec 2023 04:23:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43986 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbjLIJXG (ORCPT ); Sat, 9 Dec 2023 04:23:06 -0500 Received: from smtp-fw-52005.amazon.com (smtp-fw-52005.amazon.com [52.119.213.156]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30D361A1; Sat, 9 Dec 2023 01:23:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1702113792; x=1733649792; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=lpm2Ec+ZtdRX2kOQhYV7jvujbxIe5cPFY0JvY5kUk9c=; b=Lgp4zW9vPqnWu+5BgIrNkexul6HCw3nsFWnHsU4/F+1GH8WnLYuP1Ue6 FJVbF9P1wPl8IogmL1Aih+DGe0a3e8h868rIjebeCVhIBSmcYoI8BBbtn 3H87a3Ob/yoAmprw5lNVo3g4QF58nRLhC7eKbHqrIxpbm9xm6jNPQP7L4 0=; X-IronPort-AV: E=Sophos;i="6.04,262,1695686400"; d="scan'208";a="620750035" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-iad-1e-m6i4x-a65ebc6e.us-east-1.amazon.com) ([10.43.8.6]) by smtp-border-fw-52005.iad7.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2023 09:23:10 +0000 Received: from smtpout.prod.us-west-2.prod.farcaster.email.amazon.dev (iad7-ws-svc-p70-lb3-vlan3.iad.amazon.com [10.32.235.38]) by email-inbound-relay-iad-1e-m6i4x-a65ebc6e.us-east-1.amazon.com (Postfix) with ESMTPS id 08E546967A; Sat, 9 Dec 2023 09:23:08 +0000 (UTC) Received: from EX19MTAUWC002.ant.amazon.com [10.0.7.35:36158] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.41.194:2525] with esmtp (Farcaster) id 40036f68-c748-404a-9e97-d8ad31b4c886; Sat, 9 Dec 2023 09:23:08 +0000 (UTC) X-Farcaster-Flow-ID: 40036f68-c748-404a-9e97-d8ad31b4c886 Received: from EX19D020UWC004.ant.amazon.com (10.13.138.149) by EX19MTAUWC002.ant.amazon.com (10.250.64.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Sat, 9 Dec 2023 09:23:08 +0000 Received: from [0.0.0.0] (10.253.83.51) by EX19D020UWC004.ant.amazon.com (10.13.138.149) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Sat, 9 Dec 2023 09:23:06 +0000 Message-ID: Date: Sat, 9 Dec 2023 10:23:03 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] initramfs: Expose retained initrd as sysfs file Content-Language: en-US To: Bagas Sanjaya , Linux Kernel Mailing List CC: Linux Documentation , Andrew Morton , Jonathan Corbet , "Greg Kroah-Hartman" , =?UTF-8?Q?Jan_H=2E_Sch=C3=B6nherr?= , James Gowans References: <20231207235654.16622-1-graf@amazon.com> From: Alexander Graf In-Reply-To: X-Originating-IP: [10.253.83.51] X-ClientProxiedBy: EX19D033UWA002.ant.amazon.com (10.13.139.10) To EX19D020UWC004.ant.amazon.com (10.13.138.149) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Sat, 09 Dec 2023 01:27:27 -0800 (PST) Ck9uIDA5LjEyLjIzIDA0OjUxLCBCYWdhcyBTYW5qYXlhIHdyb3RlOgo+IE9uIFRodSwgRGVjIDA3 LCAyMDIzIGF0IDExOjU2OjU0UE0gKzAwMDAsIEFsZXhhbmRlciBHcmFmIHdyb3RlOgo+PiBXaGVu IHRoZSBrZXJuZWwgY29tbWFuZCBsaW5lIG9wdGlvbiAicmV0YWluX2luaXRyZCIgaXMgc2V0LCB3 ZSBkbyBub3QKPj4gZnJlZSB0aGUgaW5pdHJkIG1lbW9yeS4gSG93ZXZlciwgd2UgYWxzbyBkb24n dCBleHBvc2UgaXQgdG8gYW55b25lIGZvcgo+PiBjb25zdW1wdGlvbi4gVGhhdCBsZWF2ZXMgdXMg aW4gYSB3ZWlyZCBzaXR1YXRpb24gd2hlcmUgdGhlIG9ubHkgdXNlciBvZgo+PiB0aGlzIGZlYXR1 cmUgaXMgcHBjNjQgYW5kIGFybTY0IHNwZWNpZmljIGtleGVjIHRvb2xpbmcuCj4+Cj4+IFRvIG1h a2UgaXQgbW9yZSBnZW5lcmFsbHkgdXNlZnVsLCB0aGlzIHBhdGNoIGFkZHMgYSBrb2JqZWN0IHRv IHRoZQo+PiBmaXJtd2FyZSBvYmplY3QgdGhhdCBjb250YWlucyB0aGUgaW5pdHJkIGNvbnRleHQg d2hlbiAicmV0YWluX2luaXRyZCIKPj4gaXMgc2V0LiBUaGF0IHdheSwgd2UgY2FuIGFjY2VzcyB0 aGUgaW5pdHJkIGFueSB0aW1lIGFmdGVyIGJvb3QgZnJvbQo+PiB1c2VyIHNwYWNlIGFuZCBmb3Ig ZXhhbXBsZSBoYW5kIGl0IGludG8ga2V4ZWMgYXMgLS1pbml0cmQgcGFyYW1ldGVyCj4+IGlmIHdl IHdhbnQgdG8gcmVib290IHRoZSBzYW1lIGluaXRyZC4gT3IgaW5zcGVjdCBpdCBkaXJlY3RseSBs b2NhbGx5Lgo+Pgo+PiBXaXRoIHRoaXMgcGF0Y2ggYXBwbGllZCwgdGhlcmUgaXMgYSBuZXcgL3N5 cy9maXJtd2FyZS9pbml0cmQgZmlsZSB3aGVuCj4+IHRoZSBrZXJuZWwgd2FzIGJvb3RlZCB3aXRo IGFuIGluaXRyZCBhbmQgInJldGFpbl9pbml0cmQiIGNvbW1hbmQgbGluZQo+PiBvcHRpb24gaXMg c2V0Lgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBBbGV4YW5kZXIgR3JhZiA8Z3JhZkBhbWF6b24uY29t Pgo+PiBUZXN0ZWQtYnk6IEJhZ2FzIFNhbmpheWEgPGJhZ2FzZG90bWVAZ21haWwuY29tPgo+Pgo+ PiAtLS0KPj4KPj4gdjEgLT4gdjI6Cj4+Cj4+ICAgIC0gUmV3b3JkIGNvbW1pdCBtZXNzYWdlIHRv IGV4cGxhaW4gdGhlIG5ldyBmaWxlIHBhdGgKPj4gICAgLSBBZGQgYSBEb2N1bWVudGF0aW9uL0FC SS90ZXN0aW5nL3N5c2ZzLWZpcm13YXJlLWluaXRyZCBmaWxlCj4+Cj4+IHYyIC0+IHYzOgo+Pgo+ PiAgICAtIE9ubHkgZXhwb3NlIGZpbGUgd2hlbiBpbml0cmQgaXMgcHJlc2VudCAoSmFtZXMgR293 YW5zKQo+PiAtLS0KPj4gICAuLi4vQUJJL3Rlc3Rpbmcvc3lzZnMtZmlybXdhcmUtaW5pdHJkICAg ICAgICAgIHwgIDggKysrKysrKysKPj4gICAuLi4vYWRtaW4tZ3VpZGUva2VybmVsLXBhcmFtZXRl cnMudHh0ICAgICAgICAgIHwgIDUgKysrLS0KPj4gICBpbml0L2luaXRyYW1mcy5jICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgIHwgMTggKysrKysrKysrKysrKysrKystCj4+ICAgMyBmaWxl cyBjaGFuZ2VkLCAyOCBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQo+PiAgIGNyZWF0ZSBt b2RlIDEwMDY0NCBEb2N1bWVudGF0aW9uL0FCSS90ZXN0aW5nL3N5c2ZzLWZpcm13YXJlLWluaXRy ZAo+Pgo+PiBkaWZmIC0tZ2l0IGEvRG9jdW1lbnRhdGlvbi9BQkkvdGVzdGluZy9zeXNmcy1maXJt d2FyZS1pbml0cmQgYi9Eb2N1bWVudGF0aW9uL0FCSS90ZXN0aW5nL3N5c2ZzLWZpcm13YXJlLWlu aXRyZAo+PiBuZXcgZmlsZSBtb2RlIDEwMDY0NAo+PiBpbmRleCAwMDAwMDAwMDAwMDAuLjIwYmY3 Y2Y3N2ExOQo+PiAtLS0gL2Rldi9udWxsCj4+ICsrKyBiL0RvY3VtZW50YXRpb24vQUJJL3Rlc3Rp bmcvc3lzZnMtZmlybXdhcmUtaW5pdHJkCj4+IEBAIC0wLDAgKzEsOCBAQAo+PiArV2hhdDoJCS9z eXMvZmlybXdhcmUvaW5pdHJkCj4+ICtEYXRlOgkJRGVjZW1iZXIgMjAyMwo+PiArQ29udGFjdDoJ QWxleGFuZGVyIEdyYWYgPGdyYWZAYW1hem9uLmNvbT4KPj4gK0Rlc2NyaXB0aW9uOgo+PiArCQlX aGVuIHRoZSBrZXJuZWwgd2FzIGJvb3RlZCB3aXRoIGFuIGluaXRyZCBhbmQgdGhlCj4+ICsJCSJy ZXRhaW5faW5pdHJkIiBvcHRpb24gaXMgc2V0IG9uIHRoZSBrZXJuZWwgY29tbWFuZAo+PiArCQls aW5lLCAvc3lzL2Zpcm13YXJlL2luaXRyZCBjb250YWlucyB0aGUgY29udGVudHMgb2YgdGhlCj4+ ICsJCWluaXRyZCB0aGF0IHRoZSBrZXJuZWwgd2FzIGJvb3RlZCB3aXRoLgo+PiBkaWZmIC0tZ2l0 IGEvRG9jdW1lbnRhdGlvbi9hZG1pbi1ndWlkZS9rZXJuZWwtcGFyYW1ldGVycy50eHQgYi9Eb2N1 bWVudGF0aW9uL2FkbWluLWd1aWRlL2tlcm5lbC1wYXJhbWV0ZXJzLnR4dAo+PiBpbmRleCA2NTcz MWIwNjBlM2YuLjUxNTc1Y2QzMTc0MSAxMDA2NDQKPj4gLS0tIGEvRG9jdW1lbnRhdGlvbi9hZG1p bi1ndWlkZS9rZXJuZWwtcGFyYW1ldGVycy50eHQKPj4gKysrIGIvRG9jdW1lbnRhdGlvbi9hZG1p bi1ndWlkZS9rZXJuZWwtcGFyYW1ldGVycy50eHQKPj4gQEAgLTI0MzgsNyArMjQzOCw3IEBACj4+ ICAgCQkJYmV0d2VlbiB1bnJlZ2lzdGVyaW5nIHRoZSBib290IGNvbnNvbGUgYW5kIGluaXRpYWxp emluZwo+PiAgIAkJCXRoZSByZWFsIGNvbnNvbGUuCj4+ICAgCj4+IC0Ja2VlcGluaXRyZAlbSFcs QVJNXQo+PiArCWtlZXBpbml0cmQJW0hXLEFSTV0gU2VlIHJldGFpbl9pbml0cmQuCj4+ICAgCj4+ ICAgCWtlcm5lbGNvcmU9CVtLTkwsWDg2LElBLTY0LFBQQ10KPj4gICAJCQlGb3JtYXQ6IG5uW0tN R1RQRV0gfCBubiUgfCAibWlycm9yIgo+PiBAQCAtNTU4MCw3ICs1NTgwLDggQEAKPj4gICAJCQlV c2VmdWwgZm9yIGRldmljZXMgdGhhdCBhcmUgZGV0ZWN0ZWQgYXN5bmNocm9ub3VzbHkKPj4gICAJ CQkoZS5nLiBVU0IgYW5kIE1NQyBkZXZpY2VzKS4KPj4gICAKPj4gLQlyZXRhaW5faW5pdHJkCVtS QU1dIEtlZXAgaW5pdHJkIG1lbW9yeSBhZnRlciBleHRyYWN0aW9uCj4+ICsJcmV0YWluX2luaXRy ZAlbUkFNXSBLZWVwIGluaXRyZCBtZW1vcnkgYWZ0ZXIgZXh0cmFjdGlvbi4gQWZ0ZXIgYm9vdCwg aXQgd2lsbAo+PiArCQkJYmUgYWNjZXNzaWJsZSB2aWEgL3N5cy9maXJtd2FyZS9pbml0cmQuCj4+ ICAgCj4+ICAgCXJldGJsZWVkPQlbWDg2XSBDb250cm9sIG1pdGlnYXRpb24gb2YgUkVUQmxlZWQg KEFyYml0cmFyeQo+PiAgIAkJCVNwZWN1bGF0aXZlIENvZGUgRXhlY3V0aW9uIHdpdGggUmV0dXJu IEluc3RydWN0aW9ucykKPiBZb3UgbWF5IHdhbnQgdG8gYWRqdXN0IGRvY3VtZW50YXRpb24gdG8g YWRkcmVzcyBteSB0ZXN0aW5nIFsxXS4gSW4gc3VtbWFyeSwKPiBvbmx5IHRoZSBmaXJzdCBpbml0 cmQgYmxvYiB0aGF0IHdhcyBwYXNzZWQgdG8gdGhlIGtlcm5lbCB3aWxsIGJlIGV4cG9zZWQKPiBp biAvc3lzL2Zpcm13YXJlL2luaXRyZC4KCgogRnJvbSB0aGUga2VybmVsJ3MgcG9pbnQgb2Ygdmll dywgdGhlcmUgaXMgb25seSBhIHNpbmdsZSBpbml0cmQgYmluYXJ5IAo6KS4gV2hldGhlciB5b3Vy IGJvb3QgbG9hZGVyIGNvbmNhdGVuYXRlcyBtdWx0aXBsZSBhcmNoaXZlcyB0byBjcmVhdGUgCnRo YXQgc2luZ2xlIG9uZSBvdXQgb2YgbXVsdGlwbGUgaW5kaXZpZHVhbCBmaWxlcyBpcyBhIGJvb3Qg bG9hZGVyIAppbXBsZW1lbnRhdGlvbiBkZXRhaWwuCgpBbGV4CgoKCgoKQW1hem9uIERldmVsb3Bt ZW50IENlbnRlciBHZXJtYW55IEdtYkgKS3JhdXNlbnN0ci4gMzgKMTAxMTcgQmVybGluCkdlc2No YWVmdHNmdWVocnVuZzogQ2hyaXN0aWFuIFNjaGxhZWdlciwgSm9uYXRoYW4gV2Vpc3MKRWluZ2V0 cmFnZW4gYW0gQW10c2dlcmljaHQgQ2hhcmxvdHRlbmJ1cmcgdW50ZXIgSFJCIDE0OTE3MyBCClNp dHo6IEJlcmxpbgpVc3QtSUQ6IERFIDI4OSAyMzcgODc5CgoK