From nobody Wed Dec 4 19:45:36 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 header.i=dpsmith@apertussolutions.com; 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; arc=pass (i=1 dmarc=pass fromdomain=apertussolutions.com) ARC-Seal: i=2; a=rsa-sha256; t=1729471715; cv=pass; d=zohomail.com; s=zohoarc; b=dKp8/pzcNEfgamEe8Hoa0cNzcNqUnrBTjdzzvGxuYjpL8G2qIf1VaAcxbmTXzxDgYGfUnXKJrma6b/ayYoaaS0hYZePdyKqz5si+Pf49Nat6p9D0ibHfLDxJ0+8dtBTY6grC0TWddB+RB7jlqY9Vc30NmcURIAlLg4YgSHX6NrA= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1729471715; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=JxNA2AykQl5CnA7b5uvq1Eui/yHAxLJ9Nq2owH5nUvw=; b=lX2H+P9MKa2mxH4gmS6Ear1TKDcaZv4sImoWj2VDH9DQ9jMY9EMVIGZOd+Z93k14wHLV7TWZ7RFGkpbd/4SstEsRXkHG8LSKX2G/e3Fjum2jVOK/jVKuQCmWG1Xth3WD5lq+oOzYALdco+dwFjZPCPslPYwGqJY5GJxHzLlVo+k= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass header.i=dpsmith@apertussolutions.com; 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; arc=pass (i=1 dmarc=pass fromdomain=apertussolutions.com) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 172947171554343.6207250832457; Sun, 20 Oct 2024 17:48:35 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.822903.1236833 (Exim 4.92) (envelope-from ) id 1t2gat-0001zg-FX; Mon, 21 Oct 2024 00:48:23 +0000 Received: by outflank-mailman (output) from mailman id 822903.1236833; Mon, 21 Oct 2024 00:48:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1t2gat-0001zX-Al; Mon, 21 Oct 2024 00:48:23 +0000 Received: by outflank-mailman (input) for mailman id 822903; Mon, 21 Oct 2024 00:48:21 +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 1t2gar-0001i1-Tc for xen-devel@lists.xenproject.org; Mon, 21 Oct 2024 00:48:21 +0000 Received: from sender4-of-o51.zoho.com (sender4-of-o51.zoho.com [136.143.188.51]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 2a91c9af-8f46-11ef-a0be-8be0dac302b0; Mon, 21 Oct 2024 02:48:21 +0200 (CEST) Received: by mx.zohomail.com with SMTPS id 1729471601162568.064054440376; Sun, 20 Oct 2024 17:46:41 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 2a91c9af-8f46-11ef-a0be-8be0dac302b0 ARC-Seal: i=1; a=rsa-sha256; t=1729471603; cv=none; d=zohomail.com; s=zohoarc; b=GKyqfDqbEeKuQwWQLYdew4J4KatT5pV9ciu2/Ss2y8YRrWd87Ypz7quKGsMRZShfUHNDGKHl1DAFF+b5wELtn+IDAMjSuwkYQqQtNreS9fqJWm1+2VKBGw5gqycSOJR8PuQy4/kElkpbUbxQKWBvEfolPTxozjpxIN3rZ090kUI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1729471603; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=JxNA2AykQl5CnA7b5uvq1Eui/yHAxLJ9Nq2owH5nUvw=; b=mepFKoE+xjEfcmC40Mv0inMPwwP9gHxtl5NXwixspgFXXfh+I+G6Oga4UEHTZjOI/Oz+rDDI7EoMfGd4QrPc+/NFu7HBFbhYAVZPp0pOkHdoNmVYDwLmgJuerZVqohN8QmMsbQH6MpojLpiZL+KyJfQTSmnmA3SEOrSw6b3g/Uk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=apertussolutions.com; spf=pass smtp.mailfrom=dpsmith@apertussolutions.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1729471602; s=zoho; d=apertussolutions.com; i=dpsmith@apertussolutions.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-Id:Message-Id:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Reply-To; bh=JxNA2AykQl5CnA7b5uvq1Eui/yHAxLJ9Nq2owH5nUvw=; b=SvSOd9o818hytF1kasZynjnxEMsP8mqfkLNEGAAbVV7eVDAdhRfHs43MzXkkrKEm q4Re16DD/BKV+s7VH/XiPX6IMceIDOv4OVS2iIGjCR4QcxnZ6fGCCQAvpMm/EVgTHi3 G9IinW38hIP9aGbMAAWrkX2rg0fqjlQQ8GgGXJK0= From: "Daniel P. Smith" To: xen-devel@lists.xenproject.org Cc: "Daniel P. Smith" , jason.andryuk@amd.com, christopher.w.clark@gmail.com, stefano.stabellini@amd.com, Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH v7 15/38] x86/boot: convert ramdisk locating to struct boot_module Date: Sun, 20 Oct 2024 20:45:50 -0400 Message-Id: <20241021004613.18793-16-dpsmith@apertussolutions.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20241021004613.18793-1-dpsmith@apertussolutions.com> References: <20241021004613.18793-1-dpsmith@apertussolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External X-ZohoMail-DKIM: pass (identity dpsmith@apertussolutions.com) X-ZM-MESSAGEID: 1729471717546116600 Content-Type: text/plain; charset="utf-8" Locate the first unclaimed struct boot_module and mark it as ramdisk. If th= ere are any remaining unclaimed struct boot_module instances, report to the console. In the change, the new boot module iterator is used to find the initrd index, which returns a signed int. Switch initrdidx from unsigned to signed. Signed-off-by: Daniel P. Smith Reviewed-by: Jason Andryuk --- Changes since v5: - adjusted initrdidx check for prior changes to boot module search function --- xen/arch/x86/setup.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index ed1d89ad4bb4..153d361793c1 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -2102,16 +2102,23 @@ void asmlinkage __init noreturn __start_xen(unsigne= d long mbi_p) cpu_has_nx ? XENLOG_INFO : XENLOG_WARNING "Warning: ", cpu_has_nx ? "" : "not "); =20 - initrdidx =3D find_first_bit(module_map, bi->nr_modules); - if ( initrdidx < bi->nr_modules ) + /* + * At this point all capabilities that consume boot modules should have + * claimed their boot modules. Find the first unclaimed boot module and + * claim it as the initrd ramdisk. Do a second search to see if there = are + * any remaining unclaimed boot modules, and report them as unusued in= itrd + * candidates. + */ + initrdidx =3D first_boot_module_index(bi, BOOTMOD_UNKNOWN); + if ( initrdidx < MAX_NR_BOOTMODS ) { bi->mods[initrdidx].type =3D BOOTMOD_RAMDISK; bi->mods[initrdidx].consumed =3D true; + if ( first_boot_module_index(bi, BOOTMOD_UNKNOWN) < MAX_NR_BOOTMOD= S ) + printk(XENLOG_WARNING + "Multiple initrd candidates, picking module #%u\n", + initrdidx); } - if ( bitmap_weight(module_map, bi->nr_modules) > 1 ) - printk(XENLOG_WARNING - "Multiple initrd candidates, picking module #%u\n", - initrdidx); =20 /* * We're going to setup domain0 using the module(s) that we stashed sa= fely --=20 2.30.2