diff options
| author | Jean-Sébastien Pédron <dumbbell@FreeBSD.org> | 2023-12-08 21:53:21 +0000 |
|---|---|---|
| committer | Vladimir Kondratyev <wulf@FreeBSD.org> | 2024-02-17 20:58:35 +0000 |
| commit | 0fef6cb7299f541e1b94b84d2b9a9225133b9672 (patch) | |
| tree | 27ab7d328a8d8d49ba3f2841942c9bfda749a757 | |
| parent | 3b97bdb453d1d38b1ceed1f1ff0dfc38660a013b (diff) | |
linuxkpi: Add `list_for_each_prev_safe()` in <linux/list.h>
[Why]
The amdgpu DRM driver started to use it in Linux 5.18.
Reviewed by: manu
Approved by: manu
Differential Revision: https://reviews.freebsd.org/D43021
(cherry picked from commit b723bcd05a991d446491e914f2b9f35e66227398)
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/list.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/list.h b/sys/compat/linuxkpi/common/include/linux/list.h index a27abedc55b0..ca103a670109 100644 --- a/sys/compat/linuxkpi/common/include/linux/list.h +++ b/sys/compat/linuxkpi/common/include/linux/list.h @@ -225,6 +225,11 @@ list_del_init(struct list_head *entry) #define list_for_each_prev(p, h) for (p = (h)->prev; p != (h); p = (p)->prev) +#define list_for_each_prev_safe(p, n, h) \ + for (p = (h)->prev, n = (p)->prev; \ + p != (h); \ + p = n, n = (p)->prev) + #define list_for_each_entry_from_reverse(p, h, field) \ for (; &p->field != (h); \ p = list_prev_entry(p, field)) |