From nobody Fri Apr 3 15:26:19 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 4fnMy33KMRz6Ygb7 for ; Fri, 03 Apr 2026 15:26:19 +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 "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fnMy31RJ1z3fRM for ; Fri, 03 Apr 2026 15:26:19 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1775229979; 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=DstO4iX1hp2c1PgoL9wkQDilZ9KTDXSl8VOE6bHI1Mk=; b=phlKukFLvxzJrTOIZOWHViVaFDRdhhANhR9gWIhk+6Aqqh66fnJ+8Gt0xlyEV3mk+Kz/B1 dOWLJ2MnNH98hkPutNnZCtoGcO28NC2cDRC+n56O6EBbqgS34hp+qdZHFSmR/U8FUuaFn6 TflL1+XBoyt5/sBRG2Jm75My4mDYOeRtU9BLfoZmNTBAmiXqup07UhAoAfxI8UZWJm+65W DPJG0z0HhanfEOo0IEDzEn165GMbIvrOWtkDyZ9dt1bR+mqDP08On+0STMsrY7LccMO9w/ P77XVYVyHgfB094jwlvqSKDE92RBKiqS6B4DlK1sOvvjeRVGEO+qL7SrU/lnFQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1775229979; a=rsa-sha256; cv=none; b=SwQvD5KH9EwI2ArAsYUalMtiolfh4WQ+YMsN9xf8J7R84QXWgoKcsGEEmDiRzMw6tP1p0/ XtRuwQ71qLiF0w2toFTXLTxx+RIYVhWbrcT9mbHEvpX9s8GkrhSrZYty60Oit6KaChBXqS soDQXInRUv/VmJwIHdqA1YheVMWMjc2FNyVjGoVxp/UQNugyKiR/yY10I6Esl39v/YdYfk EBTOKf2wHU5I9U93KHV5Cv3m6HC3+ieLz6057NsVwPQZxgKLJkvoDR6tI+oQSKPk0/Dx6h Y1i87R24QPaSztvRu0h8qiMvTknC3/AwBs6y6HxAnfopCpqLZXfonWETkVAFrA== 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=1775229979; 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=DstO4iX1hp2c1PgoL9wkQDilZ9KTDXSl8VOE6bHI1Mk=; b=xBQlZb9KDgWYSDFQp6UDrCsgFYBtV+fQ/D7hHqf+cCz08PwlCzsESGoY5PnWJeVU9qVETY gCK/kz8g8HCaTE1siiFVC+4nwjsNSuH7HdP42AqxBi8+KL0XrD7aEMTKu7FDkFVev60t+7 +icJBbaZZygEgr8M00FIHU7ojOV7N8EmG09+x4MM/QU3ZKUZpBw+4Zqy/gK6YOXtAMm59r u66kKpmrc4HDPVuDbUiFib6IJD8CfM5dAwLY7DCfmdJuV4ZjvVFSVyzLy2FtnaWIw9xXfB kO+w1t44vcH9//e9oTgz4/TK0ShEu+gn73RC/pgQYGvCPqC6GM2lhg5at1F6KA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fnMy30mH4zv1P for ; Fri, 03 Apr 2026 15:26:19 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 40b41 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 03 Apr 2026 15:26:19 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Jake Freeland Subject: git: 9d710692d207 - stable/15 - timerfd: Suppress kqueue readability after jump read 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: jfree X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 9d710692d2075e14633f19c2b2c496b71554d29c Auto-Submitted: auto-generated Date: Fri, 03 Apr 2026 15:26:19 +0000 Message-Id: <69cfdc1b.40b41.7b1e61d2@gitrepo.freebsd.org> The branch stable/15 has been updated by jfree: URL: https://cgit.FreeBSD.org/src/commit/?id=9d710692d2075e14633f19c2b2c496b71554d29c commit 9d710692d2075e14633f19c2b2c496b71554d29c Author: Jake Freeland AuthorDate: 2026-03-20 06:34:15 +0000 Commit: Jake Freeland CommitDate: 2026-04-03 15:25:36 +0000 timerfd: Suppress kqueue readability after jump read Do not report EVFILT_READ after reading a discontinuous clock jump. This makes the kqueue filter consistent with Linux epoll behavior and timerfd_poll(), which already checks tfd_jumped != TFD_READ before reporting POLLIN. MFC after: 2 weeks (cherry picked from commit 33345b8834859cf1ad7f1256f3a34b4a7c83e8e8) --- sys/kern/sys_timerfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/sys_timerfd.c b/sys/kern/sys_timerfd.c index e4d00f224505..22e6a30faa21 100644 --- a/sys/kern/sys_timerfd.c +++ b/sys/kern/sys_timerfd.c @@ -290,7 +290,7 @@ filt_timerfdread(struct knote *kn, long hint) mtx_assert(&tfd->tfd_lock, MA_OWNED); kn->kn_data = (int64_t)tfd->tfd_count; - return (tfd->tfd_count > 0); + return (tfd->tfd_count > 0 && tfd->tfd_jumped != TFD_READ); } static const struct filterops timerfd_rfiltops = {