git: e6afd48804b8 - stable/13 - linuxkpi: Add down_write_nest_lock
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Date: Wed, 27 Apr 2022 15:16:21 UTC
The branch stable/13 has been updated by manu:
URL: https://cgit.FreeBSD.org/src/commit/?id=e6afd48804b8364fcecd4fa11fd0a2fc9e39ffcb
commit e6afd48804b8364fcecd4fa11fd0a2fc9e39ffcb
Author: Emmanuel Vadot <manu@FreeBSD.org>
AuthorDate: 2022-03-22 09:28:02 +0000
Commit: Emmanuel Vadot <manu@FreeBSD.org>
CommitDate: 2022-04-27 16:34:47 +0000
linuxkpi: Add down_write_nest_lock
Simply calls down_write like in Linux (when CONFIG_DEBUG_LOCK_ALLOC isn't
specified)
Needed by drm v5.10
MFC after: 1 month
Reviewed by: hselasky
Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D34642
(cherry picked from commit f9413897cb84499c76be140312e6ef2d24488040)
---
sys/compat/linuxkpi/common/include/linux/rwsem.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/sys/compat/linuxkpi/common/include/linux/rwsem.h b/sys/compat/linuxkpi/common/include/linux/rwsem.h
index 1e9eae79dbb8..fc3580bc186e 100644
--- a/sys/compat/linuxkpi/common/include/linux/rwsem.h
+++ b/sys/compat/linuxkpi/common/include/linux/rwsem.h
@@ -51,6 +51,7 @@ struct rw_semaphore {
#define downgrade_write(_rw) sx_downgrade(&(_rw)->sx)
#define down_read_nested(_rw, _sc) down_read(_rw)
#define init_rwsem(_rw) linux_init_rwsem(_rw, rwsem_name("lnxrwsem"))
+#define down_write_nest_lock(sem, _rw) down_write(_rw)
#ifdef WITNESS_ALL
/* NOTE: the maximum WITNESS name is 64 chars */