From nobody Wed Mar 26 12:01:07 2025 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ZN53S3GSZz5rqM9; Wed, 26 Mar 2025 12:01:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ZN53R5PKyz3qqS; Wed, 26 Mar 2025 12:01:07 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1742990467; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=7yG5FIiK+uMjy8dC6dLjPwbUz68FVI5wu5DGmlkF/3w=; b=G2UfO3ItjRF4KIqa+Ui0j6dd/7/IwsIcowKJJZKELz5SxQawOFLiBBNmqqYL0TB/wkAIam ndn5NjwtP5gpGE26drnQ+2C5Gu7iyZlnbP4uQQ+WqO9S8lLvPK060DeWfM9nfiMPlhmMEe Bf439/6HzVcgqZ0yhWd+7NBk7grb4SlYQHSzBo7XUG87oMLk6mAmHFiSJPz+Cp5TNO34WL hIrBAd/IXMyeqaJfjR4l2zQqg/bbaUjasQF9hChszm8/E/IQTZJvNMbM0RJIJR7022m4wU hfVsu8zPFY2ozSR9hi/p3oDB61zOU9YcGKiYGXeBqeZkb3VaiLfw5vgmdazNLA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1742990467; a=rsa-sha256; cv=none; b=B/FsuwnjELIswztvMzMG7lFohcA7T2NgQ9jNaEUwHxboeJoEcoDs2eoBcHYDiKtEAA/54L x9zFjOkZKfTvdq6cORYbNaLZOEpAgWv1dcCd3R7AfQYzHDe66kkKyqjRB/MPaEURT/L0g8 GQQk03s3pj6TjaAmOMo3Kj+rHAbTDTdTeUfTlGvYDDJsGrbFFqn7t/LkfzGpAugzlg0Co6 VVPcK2UJPpJ2xuq00Ndx0O2w9TDmpOxQWC2LwWbUNKejIwBtltZP99Z5I81XJBYeHIAaI4 uUfFYgdT9WYD4G8LMyHhVJwONHam0+rekC9+HJMTukb7WdBX8cRFtWE9z10jCw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1742990467; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=7yG5FIiK+uMjy8dC6dLjPwbUz68FVI5wu5DGmlkF/3w=; b=RO7ygzw7GiVoP3nnKU0yWdhw74tXCI06HjY1/QAVlHRCbNgrg4eoTyI8VgE5tIbeYM+HJv l30v8bR7fNk2b+umOZpWt1QzkxmQ64rVSEe87aPhJs1+qwZsLZZ+kBYNAwxb21w8Y4/b1K UuxQxLDAYAA00G/xQX2we2xx9fsJ3/euWGUGm48cbIFU5d7cIyepTvPMw8OX3kv29HMfv9 7K3xtyfT54tbO2Dp5s29stD0hPPiwnmJ/kFptwlpOsiuos8VRBtuT7KT+ndKFcoX9RaDLe WXOmOWBkKrVCMfyGsDZgUAX3ZBAGNAOGv0t0DRK7fegHr61Jxvf3bAZO0YQX9g== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4ZN53R4zcGz1NmT; Wed, 26 Mar 2025 12:01:07 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 52QC17G8037724; Wed, 26 Mar 2025 12:01:07 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 52QC17Wb037721; Wed, 26 Mar 2025 12:01:07 GMT (envelope-from git) Date: Wed, 26 Mar 2025 12:01:07 GMT Message-Id: <202503261201.52QC17Wb037721@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Mark Johnston Subject: git: e173855c9f6b - main - i386: Avoid registering overlapping vm_phys_seg entries List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: e173855c9f6b3b87c975418d0acf1c22ac4f1626 Auto-Submitted: auto-generated The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=e173855c9f6b3b87c975418d0acf1c22ac4f1626 commit e173855c9f6b3b87c975418d0acf1c22ac4f1626 Author: Mark Johnston AuthorDate: 2025-03-26 09:34:53 +0000 Commit: Mark Johnston CommitDate: 2025-03-26 09:54:39 +0000 i386: Avoid registering overlapping vm_phys_seg entries The entry added in pmap_bootstrap() is guaranteed to be covered by that added in pmap_cold(). This apparently went unnoticed until commit 8a14ddcc1d8e ("vm_phys: Check for overlap when adding a segment"). PR: 285415 Tested by: dim MFC after: 2 weeks --- sys/i386/i386/pmap.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 57ba48d399c3..302e493e44d1 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -614,15 +614,6 @@ __CONCAT(PMTYPE, bootstrap)(vm_paddr_t firstaddr) res = atop(firstaddr - (vm_paddr_t)KERNLOAD); - /* - * Add a physical memory segment (vm_phys_seg) corresponding to the - * preallocated kernel page table pages so that vm_page structures - * representing these pages will be created. The vm_page structures - * are required for promotion of the corresponding kernel virtual - * addresses to superpage mappings. - */ - vm_phys_early_add_seg(KPTphys, KPTphys + ptoa(nkpt)); - /* * Initialize the first available kernel virtual address. * However, using "firstaddr" may waste a few pages of the