Author: mjg
Date: Sun Feb 2 09:37:16 2020
New Revision: 357405
URL: https://svnweb.freebsd.org/changeset/base/357405
Log:
fd: use atomic_load_ptr instead of hand-rolled cast through volatile
No change in assembly.
Modified:
head/sys/kern/kern_descrip.c
Modified: head/sys/kern/kern_descrip.c
==============================================================================
--- head/sys/kern/kern_descrip.c Sun Feb 2 09:36:32 2020
(r357404)
+++ head/sys/kern/kern_descrip.c Sun Feb 2 09:37:16 2020
(r357405)
@@ -2737,8 +2737,7 @@ fget_unlocked(struct filedesc *fdp, int fd, cap_rights
* table before this fd was closed, so it possible that
* there is a stale fp pointer in cached version.
*/
- fdt = *(const struct fdescenttbl * const volatile *)
- &(fdp->fd_files);
+ fdt = (struct fdescenttbl
*)atomic_load_ptr(&fdp->fd_files);
continue;
}
if (__predict_false(count + 1 < count))
_______________________________________________
[email protected] mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "[email protected]"
