From owner-svn-src-head@freebsd.org Wed Sep 9 16:13:34 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 9C9EF3D52A5; Wed, 9 Sep 2020 16:13:34 +0000 (UTC) (envelope-from glebius@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 "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BmnBQ3cSWz4RfP; Wed, 9 Sep 2020 16:13:34 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 5F7D22424C; Wed, 9 Sep 2020 16:13:34 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 089GDYuX086939; Wed, 9 Sep 2020 16:13:34 GMT (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 089GDYkk086937; Wed, 9 Sep 2020 16:13:34 GMT (envelope-from glebius@FreeBSD.org) Message-Id: <202009091613.089GDYkk086937@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: glebius set sender to glebius@FreeBSD.org using -f From: Gleb Smirnoff Date: Wed, 9 Sep 2020 16:13:34 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r365504 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: glebius X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 365504 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Sep 2020 16:13:34 -0000 Author: glebius Date: Wed Sep 9 16:13:33 2020 New Revision: 365504 URL: https://svnweb.freebsd.org/changeset/base/365504 Log: In r354148 the goal was to check THREAD_CAN_SLEEP() only once for the purpose of epoch_trace() and for calling subsequent panic, but to keep code fully under INVARIANTS, so don't use bare function call to panic(). However, at the last stage of review a true value slipped in, while always false was assumed. I checked that in email archive with kib@. Noticed by: trasz Modified: head/sys/kern/subr_sleepqueue.c head/sys/kern/subr_trap.c Modified: head/sys/kern/subr_sleepqueue.c ============================================================================== --- head/sys/kern/subr_sleepqueue.c Wed Sep 9 13:16:20 2020 (r365503) +++ head/sys/kern/subr_sleepqueue.c Wed Sep 9 16:13:33 2020 (r365504) @@ -325,7 +325,7 @@ sleepq_add(const void *wchan, struct lock_object *lock #ifdef EPOCH_TRACE epoch_trace_list(curthread); #endif - KASSERT(1, + KASSERT(0, ("%s: td %p to sleep on wchan %p with sleeping prohibited", __func__, td, wchan)); } Modified: head/sys/kern/subr_trap.c ============================================================================== --- head/sys/kern/subr_trap.c Wed Sep 9 13:16:20 2020 (r365503) +++ head/sys/kern/subr_trap.c Wed Sep 9 16:13:33 2020 (r365504) @@ -187,7 +187,7 @@ userret(struct thread *td, struct trapframe *frame) #ifdef EPOCH_TRACE epoch_trace_list(curthread); #endif - KASSERT(1, ("userret: Returning with sleep disabled")); + KASSERT(0, ("userret: Returning with sleep disabled")); } KASSERT(td->td_pinned == 0 || (td->td_pflags & TDP_CALLCHAIN) != 0, ("userret: Returning with with pinned thread"));