From nobody Tue Apr 15 02:25:32 2025 X-Original-To: dev-commits-src-branches@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 4Zc7L440g6z5sj16; Tue, 15 Apr 2025 02:25:32 +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 4Zc7L42Gj1z3Lvw; Tue, 15 Apr 2025 02:25:32 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1744683932; 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=HqTrwx0jsOvh+Z8Oh6c0T+qDt4rk3icqFcq+Y5Sk9OI=; b=Ds3CM6IFcY0zNpF9YG0HGq8V5DrvVLr+BR+NwbMJN+3H1ptAMXvr6fdYr0RD8gYkXSU/WK u1QrtV0mafI4zoqlfUirxwXZZhQ+YvLZylMMAHCR4ejpFDiM9ZIgOi42WbqnfB5Rl6DzXA Mydz6xdUWhegvz0EOpWU7bWOLYjBy1q3hdEkxewtHXp5F/n+ZZMFLAU1bFFWNP/1ACEimx HUL0yz7J0egzLfEXiTio2l1XqmEedL7HlryqHQTlbg4N7AozqlMXw8fgnMxEijcReOb5uB DSmRMfu8iZ8IehxvBSy3atwjaUt/fodK7roWDPvoDKJsU+VdWCJVtPIbfW0EJw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1744683932; a=rsa-sha256; cv=none; b=iYWMTZXJ+T654V0BwP/LwgGu2YIZJcRCyGuB270ZNmAdCoPi57k73o+7rAmtkzS7PdXie/ AnWv19qHT1Ft5/X8B6DKioF39zARIa3yBls6ra9FLcJoM5IDOKlkr5eGcxTS4jd0dGRDxU veyJqWjnCGcTvgYkl3hcC2LkfAqNAZ4fjxU7Auboxq+u6tCU6oeh8hJTscUDDFuiIxTC4p nmQquULV3RZhB3QL6L8Ibkr8X6gvNHxLQYdVirqJnDIKYkxdeBzlJA/mXtjRkwEQDPGCQ3 LACLUWVUmey5oEqpUKThFQHu7kmAeQtwhVhtf0F9Er8iOR/VfEq7UzZvuM3ldQ== 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=1744683932; 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=HqTrwx0jsOvh+Z8Oh6c0T+qDt4rk3icqFcq+Y5Sk9OI=; b=VZXbdFQmHflPB+qR4L51dHRSXxeVTQsvgy6hf+o+6sfqnlrRCaeIR6AETc8WpynhCp05sG b+d0MRuS/L5xqO8viOAW2PNlAVnd9XtEzZU0Cxs+DVUvulegv2yIL65NWqrPWbo0111f2V 6sPAPSXPAtKAahAMhn8bzGyXbAFkEVPKfihNSRBtoEFRjVYWE/PAxSPd1THVVh72ViBB2N VChzxGetpvIbcVxjJOsUENNDcVJTfS4FiW0hgSBa6dGwcROmlPZcJUchjbu3S1pCxVzQi7 r/KkKp5G4qg4Kzf1ANVKmPwS0zsXoxDZqqKiipIv4BI+fmcv8Lo4ZBy7Pu2jqA== 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 4Zc7L41XgvzGJ; Tue, 15 Apr 2025 02:25:32 +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 53F2PW61014444; Tue, 15 Apr 2025 02:25:32 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 53F2PWvc014441; Tue, 15 Apr 2025 02:25:32 GMT (envelope-from git) Date: Tue, 15 Apr 2025 02:25:32 GMT Message-Id: <202504150225.53F2PWvc014441@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: 24b82123a83e - stable/14 - i386: Avoid registering overlapping vm_phys_seg entries List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@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/stable/14 X-Git-Reftype: branch X-Git-Commit: 24b82123a83e375f2b4a045c4bff3fb869a7c9dc Auto-Submitted: auto-generated The branch stable/14 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=24b82123a83e375f2b4a045c4bff3fb869a7c9dc commit 24b82123a83e375f2b4a045c4bff3fb869a7c9dc Author: Mark Johnston AuthorDate: 2025-03-26 09:34:53 +0000 Commit: Mark Johnston CommitDate: 2025-04-15 02:25:24 +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 (cherry picked from commit e173855c9f6b3b87c975418d0acf1c22ac4f1626) --- 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 5e750b48ec5e..828e39b58cac 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -624,15 +624,6 @@ __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