From nobody Thu Feb 17 22:01:40 2022 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 8A62419BC11B; Thu, 17 Feb 2022 22:01:40 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4K081J3Vxwz3jnj; Thu, 17 Feb 2022 22:01:40 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1645135300; 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=vj5OcDYZfj/usmgcXpYTnkfr7Rs78V/kPD/7g5/65DU=; b=NPJzhx7uzBHyEm49vTjdrlWFkEAGt6BuwI3NDO1rKpPGldKt6WwP6mfe+vbhoFtSJ//cLe sSGzRYknUV7FYCx2M1pD7vUKhGSBRzXDjY0rgMtoHwOJJzeVn89QmZ67AZsvoEhnPPeEk5 hizXoRSE7gxWQzCggC8sePSE++72mg0rn0wOZVWy9jSOjfQVv7znuDsxv8JJXSrvbknxOZ wb2QGC1M7f+9blYkqGecjTw9UjIEuKgeT8H7uCGG+j8XHtWBbj2SKBkNLFaudUkxyONHSD +hgwUCOpvWBFIfgU14fw+p3qNnlKvFlP+uptMlz2+sTuVWIlEsrspet8sOmezw== 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 58A9D11C31; Thu, 17 Feb 2022 22:01:40 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 21HM1etB017643; Thu, 17 Feb 2022 22:01:40 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 21HM1eQp017642; Thu, 17 Feb 2022 22:01:40 GMT (envelope-from git) Date: Thu, 17 Feb 2022 22:01:40 GMT Message-Id: <202202172201.21HM1eQp017642@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Robert Wing Subject: git: d3cc82c9b7aa - stable/13 - bhyve: set EV_CLEAR for EVFILT_VNODE mevents 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: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: rew X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: d3cc82c9b7aa08ee3643dfd39c6c51250844cdc8 Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1645135300; 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=vj5OcDYZfj/usmgcXpYTnkfr7Rs78V/kPD/7g5/65DU=; b=BL4gMJuQ0W4p1+O6XHLrIbPoSvOCjSWp4unJQhCENM8hCy7MpOHvpZIdTMcNTsTJedO90g 9b6vp3sitdXpxJ9x5550LnUGBGmB1hOc+qPcRa1CX95/CCRrjDNGduD5RIZOmsPHdMCA+h fObXVcxPKmzm72dWNR8I89Z+Vla+V4JsV0L2qhR1GPKvpdsdn0K1yiyMXA4WGrEFtYAHpe mKg33J5qmNFKdVn+/iiJ/ANuVobIObJEqbwrlkLOIqvsiLUq+MLlFvyKmnVOZLMzNZpy0W 9H1xUR2tvL+ifcfd5omDgS+Gm0n5v+KPYTzFz28G2mb+1RKBwsdhJhXc8z69kQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1645135300; a=rsa-sha256; cv=none; b=Ros07tGi+e5bEyYouacNoyzB440/jtTUL4yEWA/TdTUqiTLxHYHJuDOGIATrgPU6A4g6Fj xjaNVzgpRAU7a1C0OhzIVskiRCK5gQ+ae3WsyaDMz6RowXYPDTLlfX1MQWAOjQpQGiSTOJ iPfC3KbsAFw5qJUJ9xscAo/ZETJXq9usVmkNPiWYlfYnRabQhC1mzkA/pgb7UTbu6n9i0x O0Mejf3BbkhbC+QPPSFyHpKVt37QiQ3p83FMEK9Y3Z+NWQTu7IC6OnVyGHi/mwz1kO4b5v hyYY8GcDCiobRwaZ+eAaKnhNVWiZp40coIF13bpZXAKk8ewSRhunT+qKUuQwyQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by rew: URL: https://cgit.FreeBSD.org/src/commit/?id=d3cc82c9b7aa08ee3643dfd39c6c51250844cdc8 commit d3cc82c9b7aa08ee3643dfd39c6c51250844cdc8 Author: Robert Wing AuthorDate: 2021-12-12 21:39:40 +0000 Commit: Robert Wing CommitDate: 2022-02-17 21:35:19 +0000 bhyve: set EV_CLEAR for EVFILT_VNODE mevents When an EVFILT_VNODE filter event is triggered, reset it. This fixes the issue where a virtio-blk resize event would cause the mevent thread to consume 100% of the cpu. Reviewed by: jhb Differential Revision: https://reviews.freebsd.org/D33326 (cherry picked from commit 0b29683b32df0233a85f597836e61cc6432a3e4f) --- usr.sbin/bhyve/mevent.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/usr.sbin/bhyve/mevent.c b/usr.sbin/bhyve/mevent.c index 0c5351cd31a9..e12a46ac9312 100644 --- a/usr.sbin/bhyve/mevent.c +++ b/usr.sbin/bhyve/mevent.c @@ -175,7 +175,14 @@ mevent_kq_filter(struct mevent *mevp) static int mevent_kq_flags(struct mevent *mevp) { - return (mevp->me_state); + int retval; + + retval = mevp->me_state; + + if (mevp->me_type == EVF_VNODE) + retval |= EV_CLEAR; + + return (retval); } static int