From nobody Thu Feb 27 14:16:53 2025 X-Original-To: dev-commits-src-all@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 4Z3YLY6XwQz5qG2D; Thu, 27 Feb 2025 14:16:53 +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 4Z3YLY61Rdz3xJJ; Thu, 27 Feb 2025 14:16:53 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1740665813; 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=jkzlIoJOQkbn/PnHWN4S0Zf10ZhLrngl872L5Cuu0yQ=; b=H5nw92MR2iWPIr4A62XyZZ8depojSQXNwRFgFaTI0xRMWsa5g2zkXfQDO7ho+FbTpQqKtt l3XY+d0biKHZb17wYEtVxk8eLVPJDmyxeJPWl0bPoRAJ8UvGAj2RVgnVzJLmCtz/Jpc2Zn +MNaup9JMs83RptHo86denMu3qbajNDYvi10latQo5Npdccec2sjn8WZuiZbkvBxS5+JTl zI3MAAoQ4PYirvzuDBFGQ87e8GovEZzyBUKaYqxmrOm9eJHin+FwXIOUEWxlHlLeKNqkFq mhgQTYzLqjSHjcjVYv/tUMPzuyuOFNpUcK0a6c/6F70XdHIiDvWze4CidOqjAQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1740665813; a=rsa-sha256; cv=none; b=jtEkb2tH6bYH8klbqKXvU7CzrKQ03yeCWJz4WKreGn597CxLFV/h8tHbPpVQyveot2YB+7 SbyLlP26Wq05dxIAkIUmC78rRKivYTLIkvngqT3UG4jkB9MO/035gR60mTy7TFwLjzB3J+ vIbeY5rkNR0e1GeZkHvWn+Wr1ACThoSfDSotZRvNKdQCsq6uQnCTYbTsLqyYEduM8T/0EQ oRfsD4Rq1wPgvHiegqSGIJWNWyasa5jFetlFLZK0HwIY7G4rOh4aolJRinEwt2YM+e2u6c OItWRyynHAZLJGPP8G4r+Vo4uCpf5upgCslTqbKqaOQ70iDbWSVyRAZqi2UNow== 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=1740665813; 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=jkzlIoJOQkbn/PnHWN4S0Zf10ZhLrngl872L5Cuu0yQ=; b=AYDAuw2KPdLOdR1LfCrgbQaydHLFQn32k5MCGqp2j2IImH0yBO7qSkckDMwU20HjTESPl9 VCmD7rVE96MeNnOermCW0+uSPd2TPEg40f6bFFz9aDFaOC/T19ZAmot94RSRyME7J+zF5j SRb8dYGX7pqtSNRJyijb93obb5D3RsGbFkQGQbnnNltEbKt9pYCBYhzwN9WKc20qz4AMfb C9vK/nbXo98SsP4jRq2tQhZ+JDrpZvIq955p7CqwrQOvQyDGr1J2/AOJBqjlM5scY+ESjt ya+A3Ju020pUeE4+vZYVoVk5aMlQQeilWYI3BKZpBwFwh1zwktIrB0e2A2Nctw== 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 4Z3YLY5cSNzmpZ; Thu, 27 Feb 2025 14:16:53 +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 51REGrLf016345; Thu, 27 Feb 2025 14:16:53 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 51REGrgh016342; Thu, 27 Feb 2025 14:16:53 GMT (envelope-from git) Date: Thu, 27 Feb 2025 14:16:53 GMT Message-Id: <202502271416.51REGrgh016342@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: John Baldwin Subject: git: 3756a1c62af2 - stable/14 - physmem ram: Don't reserve excluded regions List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: jhb X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 3756a1c62af2f326419572d6fc5789c52567e32e Auto-Submitted: auto-generated The branch stable/14 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=3756a1c62af2f326419572d6fc5789c52567e32e commit 3756a1c62af2f326419572d6fc5789c52567e32e Author: John Baldwin AuthorDate: 2024-02-14 22:07:33 +0000 Commit: John Baldwin CommitDate: 2025-02-27 13:09:21 +0000 physmem ram: Don't reserve excluded regions These regions can conflict with I/O resources and prevent allocation of those regions by other drivers. It may make sense to reserve them after the boot-time probe of devices has concluded (or after an initial pass to reserve firmware-assigned resources before "wildcard" resources are allocated), but that would require additional changes. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D43893 (cherry picked from commit add99c9c4bae2769cba14a88b83377ec9c04cad9) --- sys/kern/subr_physmem.c | 25 ------------------------- 1 file changed, 25 deletions(-) diff --git a/sys/kern/subr_physmem.c b/sys/kern/subr_physmem.c index e74a11f47c2c..51af2e896877 100644 --- a/sys/kern/subr_physmem.c +++ b/sys/kern/subr_physmem.c @@ -583,7 +583,6 @@ ram_attach(device_t dev) { vm_paddr_t avail_list[PHYS_AVAIL_COUNT]; rman_res_t start, end; - struct region *hwp; int rid, i; rid = 0; @@ -609,30 +608,6 @@ ram_attach(device_t dev) rid++; } - /* Now, reserve the excluded memory regions. */ - for (i = 0, hwp = exregions; i < excnt; i++, hwp++) { - start = hwp->addr; - end = hwp->addr + hwp->size; - - if (bootverbose) - device_printf(dev, - "reserving excluded region: %jx-%jx\n", - (uintmax_t)start, (uintmax_t)(end - 1)); - - /* - * Best-effort attempt to reserve the range. This may fail, as - * sometimes the excluded ranges provided by the device tree - * will cover or overlap some I/O range. - */ - if (bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, start, end, - end - start, 0) == NULL) { - if (bootverbose) - device_printf(dev, "failed to reserve region\n"); - continue; - } - rid++; - } - return (0); }