From nobody Fri Mar 20 07:16:18 2026 X-Original-To: dev-commits-src-main@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 4fcYl72BGlz6VVXl for ; Fri, 20 Mar 2026 07:16:19 +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 4fcYl66Jp6z4L91 for ; Fri, 20 Mar 2026 07:16:18 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1773990978; 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=YCeJnggPGJFqpzqvizj0AqA+HtQStkXiGPHupK+OHtE=; b=tts2suf1gwE/DEqEZKniLuq03P8Fc0aKeicaqzp2B1vjVQ6ZCUXuwxD9iv96tm1E+se5Va j/1k6MtqQrqnAMGMrniNZGwKOAylzp138vMyf8iVHsXTF2/95HKP0oc2FncFSOf8p5DCSi MO8BgvY2rezp54SGWlv+gUv22kfMlznSJHCzXZ9L5pu1xuXgExQBF7/c8g9XF/DBXTGnaJ m9DvBmPE+doJZKCKLzJgxU8P4mcchEL3dsBh73JvIxVqrXPsBYwkddr7lm2oyDH12WWY5b Z0swpcmO7vVq3IiuHcKU0UnSaIDJ7j9IqKQGWmBcVWYx62hAfJeSUR2fTyi6eA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1773990978; a=rsa-sha256; cv=none; b=VmdiRYLQuKoHFBYAwYsK4RzUpRGSS5ykWRq5QRV3Fo2tghm24Yn75NmX1VYiE0wkk0g80t p2khLigl0DKxUvobFhdWjhCoDL+HyJ/UMYgJwomsK5KkRDwEuE8jbxDczZIbHYTO8w7O6C i5/xZR8G/v02jjYfvle7ikx1lJeRdb7lTg4tPOboYmOIJOQ4Kcy1sn4+W59E1x6h8AnMKI sC4n/LWB6YJsVpuD7UZ2vwZ9RapmLsAXc8VGIswYrXw6mGyWiL05Sg5XV1R9V/AFg8tg1H d1lE6c3f2aTpIqg4YPy8pc90y3okyQG26ntqCuci6DLIFJPQsRpTqCV9BRQCEA== 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=1773990978; 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=YCeJnggPGJFqpzqvizj0AqA+HtQStkXiGPHupK+OHtE=; b=VR2WyJBuEOx8QWh+0hzgvvlDz7B/aAkLOykGQeGUXGwvrybqI8wCAxaID3ASMMUxXy8pxZ yQcYXPxMrSSsdpHBnzX+oD9ud9XAHO2TwqJAXEnohyJxKDZ6qAu/c+hPNtcDNxB+GCx412 UCzTcAPNTsjbc0E6C+3pJUZym5DEkg2YQzMzLv5G3GTojAQcLlKgDTO0TH1efuQmtbFXs7 uWSdY2uK5YwajfAD+CryUtEcDWSaRT6mo8TIlPm2Hox0J5cfhEozta14izymCzMfdTC202 ljwkj0pKiJUvlEklhZ+5dy0qv5u6ZYIJF5YwJoWxTWZYlnzO9hCjarC8iqVTPg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fcYl65v1yz1Lg for ; Fri, 20 Mar 2026 07:16:18 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3bfcc by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 20 Mar 2026 07:16:18 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Jake Freeland Subject: git: 33345b883485 - main - timerfd: Suppress kqueue readability after jump read List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@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/main X-Git-Reftype: branch X-Git-Commit: 33345b8834859cf1ad7f1256f3a34b4a7c83e8e8 Auto-Submitted: auto-generated Date: Fri, 20 Mar 2026 07:16:18 +0000 Message-Id: <69bcf442.3bfcc.7e4ee027@gitrepo.freebsd.org> The branch main has been updated by jfree: URL: https://cgit.FreeBSD.org/src/commit/?id=33345b8834859cf1ad7f1256f3a34b4a7c83e8e8 commit 33345b8834859cf1ad7f1256f3a34b4a7c83e8e8 Author: Jake Freeland AuthorDate: 2026-03-20 06:34:15 +0000 Commit: Jake Freeland CommitDate: 2026-03-20 07:15:09 +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 --- 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 = {