mirror of https://gitee.com/openkylin/linux.git
e0af21c56d
_raw_write_lock_wait first sets the high order bit to indicate a pending writer and then waits for the reader to drop to zero. smp_rmb by definition only orders reads against reads. Let's use a full smp_mb instead. As right now smp_rmb is implemented as full serialization, this needs no stable backport, but this patch will be necessary if we reimplement smp_rmb. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> |
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| .. | ||
| Makefile | ||
| delay.c | ||
| find.c | ||
| mem.S | ||
| probes.c | ||
| spinlock.c | ||
| string.c | ||
| uaccess.c | ||