git: a7b222db122e - main - linuxkpi: rwlock: Fix rwlock_init

From: Emmanuel Vadot <manu_at_FreeBSD.org>
Date: Fri, 17 May 2024 05:59:14 UTC
The branch main has been updated by manu:

URL: https://cgit.FreeBSD.org/src/commit/?id=a7b222db122e99f587d87eeec303c8abc9aea04e

commit a7b222db122e99f587d87eeec303c8abc9aea04e
Author:     Emmanuel Vadot <manu@FreeBSD.org>
AuthorDate: 2024-05-17 05:54:36 +0000
Commit:     Emmanuel Vadot <manu@FreeBSD.org>
CommitDate: 2024-05-17 05:59:02 +0000

    linuxkpi: rwlock: Fix rwlock_init
    
    Some linux code re-init some spinlock so add MTX_NEW to mtx_init.
    
    Reported by:    rlibby
    Fixes:          5c0a1923486e ("linuxkpi: rwlock: Simplify code")
---
 sys/compat/linuxkpi/common/include/linux/rwlock.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/compat/linuxkpi/common/include/linux/rwlock.h b/sys/compat/linuxkpi/common/include/linux/rwlock.h
index 126b70c875c0..3030ec89ff1e 100644
--- a/sys/compat/linuxkpi/common/include/linux/rwlock.h
+++ b/sys/compat/linuxkpi/common/include/linux/rwlock.h
@@ -52,6 +52,6 @@ typedef struct rwlock rwlock_t;
     do { read_unlock(lock); } while (0)
 #define	write_unlock_irqrestore(lock, flags)				\
     do { write_unlock(lock); } while (0)
-#define	rwlock_init(_l)	rw_init_flags(_l, "lnxrw", RW_NOWITNESS)
+#define	rwlock_init(_l)	rw_init_flags(_l, "lnxrw", RW_NOWITNESS | RW_NEW)
 
 #endif	/* _LINUXKPI_LINUX_RWLOCK_H_ */