Date: Mon, 20 Jan 2020 09:16:06 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r356907 - stable/11/sys/compat/linuxkpi/common/src Message-ID: <202001200916.00K9G6pR086490@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: kib Date: Mon Jan 20 09:16:06 2020 New Revision: 356907 URL: https://svnweb.freebsd.org/changeset/base/356907 Log: MFC r356682: Code must not unlock a mutex while owning the thread lock. Modified: stable/11/sys/compat/linuxkpi/common/src/linux_rcu.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/compat/linuxkpi/common/src/linux_rcu.c ============================================================================== --- stable/11/sys/compat/linuxkpi/common/src/linux_rcu.c Mon Jan 20 08:55:27 2020 (r356906) +++ stable/11/sys/compat/linuxkpi/common/src/linux_rcu.c Mon Jan 20 09:16:06 2020 (r356907) @@ -296,14 +296,13 @@ linux_synchronize_rcu(void) "linux_synchronize_rcu() can sleep"); td = curthread; + DROP_GIANT(); /* * Synchronizing RCU might change the CPU core this function * is running on. Save current values: */ thread_lock(td); - - DROP_GIANT(); old_cpu = PCPU_GET(cpuid); old_pinned = td->td_pinned;
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202001200916.00K9G6pR086490>