From nobody Mon Jun 15 18:01:50 2026 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 4gfHxp56YMz6hhSj for ; Mon, 15 Jun 2026 18:01:50 +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 "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4gfHxp3lksz4F7S for ; Mon, 15 Jun 2026 18:01:50 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1781546510; 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=ouMm/HjkNwXEM/UgqhRUFJS34EvUt4AZozZdEOyCdIE=; b=apR2wvjjURGTQCz90L1rfvo0oGEwUMTl7eVC1e3PN78cC2O1GKYnPQ71wXB9tT8eIsvs0O N8M1/SaMfg3Nk5+zHf8SyGz5ysGY5A0dup4EaO4eqJb4tWuyI6UTPVJBc0pk/SL2BFDem+ kJpE67jlIJKh0wr8PPREU0n4Hho6NZWhvwV9DCz6J2l/z/oU/kgS8WzQc7TDDiZ+0PVZ3B iuw+/YvNYjNAMcOAgzpA3G6RhnpfS8gZDKtY8CdPbGp35ICFhkV09LPvSK9f6t7zO4m2NT ezThshFoYnbadj2TstDh5YbElEe6KhllnUxkwDJkMahvw84/caVkk8O9CbHOlg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1781546510; a=rsa-sha256; cv=none; b=K5EroN7oAg++P0XLGpeOGY/sUKp5hrDNlTA7QWjqTPcp82NvXBInnL79GL998S2GtHz7aQ yRCk0Rz2kMK3EyV7FqU+2ArrLVf4hRadhr1l577apFw8QTu6I29Pkp2ie2XQipt+xnnXFm iC3oxOtKxYWeXnIsAJEOU80GNl1lgoW4/nV0p3/6c6ltdzDLfZ3mSrAH0tZQB7tmTTjdJN qtX9CKOchoC8wOReTaT9NQ5NnCtd1GFhkgU3Uzw3SsglgDh6zadEzOMchXDbsHOxXd06PQ 8GLFnazgWvzNo9qO3WUPpUfEw6PnTlff5VMuMqD8EZEZeZ+g2SFOPEheCMTZnA== 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=1781546510; 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=ouMm/HjkNwXEM/UgqhRUFJS34EvUt4AZozZdEOyCdIE=; b=Ge0v04RMSW4o4rTivtvw3yrta/UIQvLJH/hN7CzpdUDJQaRhWfwwMzSZ6KhJ4bom0W//w5 BrVZRBGkqJRVRJ8nFgtviKjjGfj0DkJPhHcTYFFyaZxfwnCF+76jfts/P6fa7MowdQk4YU xj8AU5Btk/6NTmTtcZtJCDhYahlj7fm6wvcSTWzTBrig6QuCZlRQRg9Z+kUbD+cJCGEzqu +JXo8j/JGR9wNkL37CqSGp1zKssIHzyr0KHTCMLKGHMGmbcExtCrVydDESlQ75R9Bz8F/1 IWSjA39JROpsAQw5QYiXw/gxWwJ61kTxbcpYVYBIm89nkQ3iVyaYDXUgCz61wA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4gfHxp32Tkz15J6 for ; Mon, 15 Jun 2026 18:01:50 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 1f649 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Mon, 15 Jun 2026 18:01:50 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mark Johnston Subject: git: a6497594d666 - stable/15 - fork: Drop an uneeded PHOLD/PRELE pair 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 List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list 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/15 X-Git-Reftype: branch X-Git-Commit: a6497594d66608d6fe344af8a726af62d6217377 Auto-Submitted: auto-generated Date: Mon, 15 Jun 2026 18:01:50 +0000 Message-Id: <6a303e0e.1f649.3bc8ecaf@gitrepo.freebsd.org> The branch stable/15 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=a6497594d66608d6fe344af8a726af62d6217377 commit a6497594d66608d6fe344af8a726af62d6217377 Author: Mark Johnston AuthorDate: 2026-06-06 12:52:15 +0000 Commit: Mark Johnston CommitDate: 2026-06-15 16:00:04 +0000 fork: Drop an uneeded PHOLD/PRELE pair Support for swapping out kernel stacks was removed, so the PHOLD has no purpose. (And even before that, it's not clear why a swapout here would have been problematic.) Reviewed by: kib MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D57486 (cherry picked from commit 1ee4b5fd824aa93f9a20df6bd5dad50c7e32fe05) --- sys/kern/kern_fork.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 558a231ed61d..3de2a6224834 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -674,11 +674,6 @@ do_fork(struct thread *td, struct fork_req *fr, struct proc *p2, struct thread * callout_init_mtx(&p2->p_itcallout, &p2->p_mtx, 0); - /* - * This begins the section where we must prevent the parent - * from being swapped. - */ - _PHOLD(p1); PROC_UNLOCK(p1); /* @@ -785,10 +780,6 @@ do_fork(struct thread *td, struct fork_req *fr, struct proc *p2, struct thread * */ knote_fork(p1->p_klist, p2->p_pid); - /* - * Now can be swapped. - */ - _PRELE(p1); PROC_UNLOCK(p1); SDT_PROBE3(proc, , , create, p2, p1, fr->fr_flags);