Date: Wed, 20 May 2009 22:30:58 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r192493 - stable/7/sys/kern Message-ID: <200905202230.n4KMUwhg046344@svn.freebsd.org>
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Author: kmacy Date: Wed May 20 22:30:57 2009 New Revision: 192493 URL: http://svn.freebsd.org/changeset/base/192493 Log: td_osd is at the end of struct thread to avoid breaking the ABI as a side effect it is outside of the td_startzero-td_endzero range, requiring it to be separately zeroed Modified: stable/7/sys/kern/kern_fork.c stable/7/sys/kern/kern_kse.c stable/7/sys/kern/kern_thr.c Modified: stable/7/sys/kern/kern_fork.c ============================================================================== --- stable/7/sys/kern/kern_fork.c Wed May 20 22:28:55 2009 (r192492) +++ stable/7/sys/kern/kern_fork.c Wed May 20 22:30:57 2009 (r192493) @@ -507,6 +507,7 @@ again: bcopy(&td->td_startcopy, &td2->td_startcopy, __rangeof(struct thread, td_startcopy, td_endcopy)); + bzero(&td2->td_osd, sizeof(struct osd)); td2->td_sigstk = td->td_sigstk; td2->td_sigmask = td->td_sigmask; Modified: stable/7/sys/kern/kern_kse.c ============================================================================== --- stable/7/sys/kern/kern_kse.c Wed May 20 22:28:55 2009 (r192492) +++ stable/7/sys/kern/kern_kse.c Wed May 20 22:30:57 2009 (r192493) @@ -1014,6 +1014,7 @@ thread_alloc_spare(struct thread *td) td->td_standin = spare; bzero(&spare->td_startzero, __rangeof(struct thread, td_startzero, td_endzero)); + bzero(&spare->td_osd, sizeof(struct osd)); spare->td_proc = td->td_proc; spare->td_ucred = crhold(td->td_ucred); spare->td_flags = TDF_INMEM; Modified: stable/7/sys/kern/kern_thr.c ============================================================================== --- stable/7/sys/kern/kern_thr.c Wed May 20 22:28:55 2009 (r192492) +++ stable/7/sys/kern/kern_thr.c Wed May 20 22:30:57 2009 (r192493) @@ -199,6 +199,7 @@ create_thread(struct thread *td, mcontex __rangeof(struct thread, td_startzero, td_endzero)); bcopy(&td->td_startcopy, &newtd->td_startcopy, __rangeof(struct thread, td_startcopy, td_endcopy)); + bzero(&newtd->td_osd, sizeof(struct osd)); newtd->td_proc = td->td_proc; newtd->td_ucred = crhold(td->td_ucred);
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