git: 04c127d58d05 - stable/13 - linuxkpi: Update `struct irq_work`

From: Emmanuel Vadot <manu_at_FreeBSD.org>
Date: Tue, 24 Jan 2023 08:54:17 UTC
The branch stable/13 has been updated by manu:

URL: https://cgit.FreeBSD.org/src/commit/?id=04c127d58d055891657f13ef988ba3dd0ee657f4

commit 04c127d58d055891657f13ef988ba3dd0ee657f4
Author:     Jean-Sébastien Pédron <dumbbell@FreeBSD.org>
AuthorDate: 2022-11-11 17:32:58 +0000
Commit:     Emmanuel Vadot <manu@FreeBSD.org>
CommitDate: 2023-01-24 09:08:01 +0000

    linuxkpi: Update `struct irq_work`
    
    The previous `llnode` field is moved inside another field `node`.
    
    This `node` field is a `struct __call_single_node` in Linux. Here, we
    simply add an anonymous struct with the `llnode` field inside. That
    field's new name is `llist` now.
    
    V2: Use an anonymous union to keep the structure backward compatible
        with drivers using the previous `llnode` field. This was suggested
        by wufl@ and hselasky@. Thank you!
    
    Reviewed by:    manu
    Approved by:    manu
    Differential Revision:  https://reviews.freebsd.org/D36955
    
    (cherry picked from commit f021c5c4a1770987f01530fa59e5ccba3759c0ab)
---
 sys/compat/linuxkpi/common/include/linux/irq_work.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sys/compat/linuxkpi/common/include/linux/irq_work.h b/sys/compat/linuxkpi/common/include/linux/irq_work.h
index 9e2bd31ddb71..3fbc7690b798 100644
--- a/sys/compat/linuxkpi/common/include/linux/irq_work.h
+++ b/sys/compat/linuxkpi/common/include/linux/irq_work.h
@@ -52,7 +52,12 @@ typedef void (*irq_work_func_t)(struct irq_work *);
 struct irq_work {
 	struct task irq_task;
 	irq_work_func_t func;
-	struct llist_node llnode;
+	union {
+		struct llist_node llnode;
+		struct {
+			struct llist_node llist;
+		} node;
+	};
 };
 
 extern struct taskqueue *linux_irq_work_tq;