From owner-svn-src-stable@freebsd.org Sat Feb 29 21:55:50 2020 Return-Path: Delivered-To: svn-src-stable@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 4D0A2242308; Sat, 29 Feb 2020 21:55:50 +0000 (UTC) (envelope-from kib@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) server-signature RSA-PSS (4096 bits) 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 48VKwP5f7qz47J6; Sat, 29 Feb 2020 21:55:49 +0000 (UTC) (envelope-from kib@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 8C732214EB; Sat, 29 Feb 2020 21:55:49 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 01TLtngm067115; Sat, 29 Feb 2020 21:55:49 GMT (envelope-from kib@FreeBSD.org) Received: (from kib@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 01TLtmLZ067110; Sat, 29 Feb 2020 21:55:48 GMT (envelope-from kib@FreeBSD.org) Message-Id: <202002292155.01TLtmLZ067110@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: kib set sender to kib@FreeBSD.org using -f From: Konstantin Belousov Date: Sat, 29 Feb 2020 21:55:48 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r358475 - in stable/12/sys: compat/linux kern sys X-SVN-Group: stable-12 X-SVN-Commit-Author: kib X-SVN-Commit-Paths: in stable/12/sys: compat/linux kern sys X-SVN-Commit-Revision: 358475 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Feb 2020 21:55:50 -0000 Author: kib Date: Sat Feb 29 21:55:48 2020 New Revision: 358475 URL: https://svnweb.freebsd.org/changeset/base/358475 Log: MFC r358251: Add td_pflags2, yet another thread-private flags word. Modified: stable/12/sys/compat/linux/linux_fork.c stable/12/sys/kern/kern_fork.c stable/12/sys/kern/kern_kthread.c stable/12/sys/kern/kern_thr.c stable/12/sys/sys/proc.h Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/compat/linux/linux_fork.c ============================================================================== --- stable/12/sys/compat/linux/linux_fork.c Sat Feb 29 21:50:08 2020 (r358474) +++ stable/12/sys/compat/linux/linux_fork.c Sat Feb 29 21:55:48 2020 (r358475) @@ -309,6 +309,7 @@ linux_clone_thread(struct thread *td, struct linux_clo bzero(&newtd->td_startzero, __rangeof(struct thread, td_startzero, td_endzero)); + newtd->td_pflags2 = 0; bcopy(&td->td_startcopy, &newtd->td_startcopy, __rangeof(struct thread, td_startcopy, td_endcopy)); Modified: stable/12/sys/kern/kern_fork.c ============================================================================== --- stable/12/sys/kern/kern_fork.c Sat Feb 29 21:50:08 2020 (r358474) +++ stable/12/sys/kern/kern_fork.c Sat Feb 29 21:55:48 2020 (r358475) @@ -489,6 +489,7 @@ do_fork(struct thread *td, struct fork_req *fr, struct bzero(&td2->td_startzero, __rangeof(struct thread, td_startzero, td_endzero)); + td2->td_pflags2 = 0; bcopy(&td->td_startcopy, &td2->td_startcopy, __rangeof(struct thread, td_startcopy, td_endcopy)); Modified: stable/12/sys/kern/kern_kthread.c ============================================================================== --- stable/12/sys/kern/kern_kthread.c Sat Feb 29 21:50:08 2020 (r358474) +++ stable/12/sys/kern/kern_kthread.c Sat Feb 29 21:55:48 2020 (r358475) @@ -283,6 +283,7 @@ kthread_add(void (*func)(void *), void *arg, struct pr bzero(&newtd->td_startzero, __rangeof(struct thread, td_startzero, td_endzero)); + newtd->td_pflags2 = 0; bcopy(&oldtd->td_startcopy, &newtd->td_startcopy, __rangeof(struct thread, td_startcopy, td_endcopy)); Modified: stable/12/sys/kern/kern_thr.c ============================================================================== --- stable/12/sys/kern/kern_thr.c Sat Feb 29 21:50:08 2020 (r358474) +++ stable/12/sys/kern/kern_thr.c Sat Feb 29 21:55:48 2020 (r358475) @@ -235,6 +235,7 @@ thread_create(struct thread *td, struct rtprio *rtp, bzero(&newtd->td_startzero, __rangeof(struct thread, td_startzero, td_endzero)); + newtd->td_pflags2 = 0; bcopy(&td->td_startcopy, &newtd->td_startcopy, __rangeof(struct thread, td_startcopy, td_endcopy)); newtd->td_proc = td->td_proc; Modified: stable/12/sys/sys/proc.h ============================================================================== --- stable/12/sys/sys/proc.h Sat Feb 29 21:50:08 2020 (r358474) +++ stable/12/sys/sys/proc.h Sat Feb 29 21:55:48 2020 (r358475) @@ -368,6 +368,7 @@ struct thread { #ifdef __amd64__ struct mdthread td_md; /* (k) Any machine-dependent fields. */ #endif + int td_pflags2; /* (k) Private thread (TDP2_*) flags. */ }; struct thread0_storage { @@ -1162,6 +1163,25 @@ curthread_pflags_restore(int save) { curthread->td_pflags &= save; +} + +static __inline int +curthread_pflags2_set(int flags) +{ + struct thread *td; + int save; + + td = curthread; + save = ~flags | (td->td_pflags2 & flags); + td->td_pflags2 |= flags; + return (save); +} + +static __inline void +curthread_pflags2_restore(int save) +{ + + curthread->td_pflags2 &= save; } static __inline __pure2 struct td_sched *