From nobody Fri Oct 23 18:11:32 2026 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 4jBB110bmkz6xPG8 for ; Fri, 23 Oct 2026 18:11:33 +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) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 4jBB1100lCz3Hlf for ; Fri, 23 Oct 2026 18:11:33 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1792779093; 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=xCaYYrvwqua4e3Nilvf+dYP1hq89rRC87qghRXuZ2iU=; b=VOeLjACjemKSV32RaASkkWJ/tgieW13fUy29RxriCznyvsW2WZW5/M+qrzhdNhp6kKCxuQ q+M6VlyYyUE4umSSLcI5UkNIAdDnTptyuiqjagB2ruCUpf6iV4AlRnvofTTWd7vp9b0+K6 CgJ5OdklY/5fKatYU6RzYR2fVNsZ280V9mzEH2SnDUgcVlQG/rcrbuDH7Pipf/Fk2uRsD4 9CxI9Hn9KttvUQxIUqyYDaiNQWHvZE6//FuwXXeVF5b8YoP4+Wj1RBO5g4MqAHDBbTIzTu 6mYel1OowOsqMuvSTjmpUl9MHA0smgO9EP70tacSRnu7jj7o4cKUDLyx9YedBg== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1792779093; b=q8DbqRuI188r6i/KnHYPeoSujcfoEUWkePEHz5DLQBtqEaPS1aytwptY1wRSfnRMw2DU7W nw0OVj4ePt+QuGc6qLB23gVySvgeBF858azpln1yBUOgTHnF6A8/qGEOAQYxvbMdRhS204 LCnKFL47kea87G0KTv5U9Y0RisQy13xPYaI0bvtx+O987k/FSXTEIzbkjQYeXa8VtHsr0E IhDFUw7EenvOYerFZItN/fe907LlsJcjkF9qc4CTV9kUpdqfz8wdKv3A3MUtvYHf12yzsB H8qXIzFJdDszRBd1LjZh0Z3ftpceTCuhXOM3qiszlGSBaepM8BbnqcdIs6yOnw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1792779093; 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=xCaYYrvwqua4e3Nilvf+dYP1hq89rRC87qghRXuZ2iU=; b=eN/rag/gRi+8CPd7vbE7xbgWySmFS5Jw1eXI5hbc5iOLY3Iuoq/PfTpv67ArXm/bEPPqRN 9/TCy67ckiy5TWgThrBESn5e4vxqfofapzssgwT/18uXlSSv+tAEDYBr5I9wrHC7kzVotM wxcS+QXkruowcXmwY3mpxyUe66qLcoO2un6fKf8ei8Rlf/l3iAI6f4qEWkWMMogczG4cLd IBD/Mf1h0fYfbsjT6xa9EfG59rE7qow1uKn9NHr3iIHSH8GwNAUpfmujLCQE0gjMcREBPi 7vfu51cch98fpymbRX/0x5+u+47wW8j3wsJHM6yS9RZ+tjRKOF+RlI6CQ5waHQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4jBB106YX2zgwb for ; Fri, 23 Oct 2026 18:11:32 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 1e165 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 23 Oct 2026 18:11:32 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Michael Tuexen Subject: git: fafba5672b1a - stable/15 - sysctl: don't loop when EAGAIN is returned List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: Commit messages for all branches of the src repository 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: tuexen X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: fafba5672b1ac028807c0378b92c8427396a2f35 Auto-Submitted: auto-generated Date: Fri, 23 Oct 2026 18:11:32 +0000 Message-Id: <6adba354.1e165.695741ac@gitrepo.freebsd.org> The branch stable/15 has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=fafba5672b1ac028807c0378b92c8427396a2f35 commit fafba5672b1ac028807c0378b92c8427396a2f35 Author: Michael Tuexen AuthorDate: 2026-10-08 13:05:11 +0000 Commit: Michael Tuexen CommitDate: 2026-10-23 18:10:03 +0000 sysctl: don't loop when EAGAIN is returned When userland_sysctl() experiences EAGAIN, don't loop internally but leave retrying to the caller. Looping was a problem in case of using tcpsso(8) to switch a TCP stack where the acceptance check of the new TCP stack results in EAGAIN. Reviewed by: kib, glebius Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D60444 (cherry picked from commit d39b12e9030b20410cecbcbb0c22847d7f8b5471) --- sys/kern/kern_sysctl.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/sys/kern/kern_sysctl.c b/sys/kern/kern_sysctl.c index b5449af5d32e..fa79f11f440b 100644 --- a/sys/kern/kern_sysctl.c +++ b/sys/kern/kern_sysctl.c @@ -2580,14 +2580,9 @@ userland_sysctl(struct thread *td, int *name, u_int namelen, void *old, } CURVNET_SET(TD_TO_VNET(td)); - for (;;) { - req.oldidx = 0; - req.newidx = 0; - error = sysctl_root(0, name, namelen, &req); - if (error != EAGAIN) - break; - kern_yield(PRI_USER); - } + req.oldidx = 0; + req.newidx = 0; + error = sysctl_root(0, name, namelen, &req); CURVNET_RESTORE();