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;
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