Backports Archive on lore.kernel.org
 help / color / Atom feed
* [PATCH] backport-include: add empty lockdep_map structure in lockdep.h
@ 2019-04-17 12:05 Arend van Spriel
  0 siblings, 0 replies; only message in thread
From: Arend van Spriel @ 2019-04-17 12:05 UTC (permalink / raw)
  To: backports; +Cc: Arend van Spriel

include/linux/rhashtable.h now uses struct lockdep_map unconditionally
which is fine for upstream as lockdep.h defines an empty lockdep_map
structure if CONFIG_LOCKDEP is not set. However, that is only true
since kernel 4.15 so adding such definition in our lockdep.h to cover
older kernels.

Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
---
 backport/backport-include/linux/lockdep.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/backport/backport-include/linux/lockdep.h b/backport/backport-include/linux/lockdep.h
index 5a5d0d0..12b91b4 100644
--- a/backport/backport-include/linux/lockdep.h
+++ b/backport/backport-include/linux/lockdep.h
@@ -14,4 +14,10 @@
 #endif /* CONFIG_LOCKDEP */
 #endif /* LINUX_VERSION_IS_LESS(3,9,0) */
 
+#if LINUX_VERSION_IS_LESS(4,15,0)
+#ifndef CONFIG_LOCKDEP
+struct lockdep_map { };
+#endif /* CONFIG_LOCKDEP */
+#endif /* LINUX_VERSION_IS_LESS(4,15,0) */
+
 #endif /* __BACKPORT_LINUX_LOCKDEP_H */
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe backports" in

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, back to index

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-04-17 12:05 [PATCH] backport-include: add empty lockdep_map structure in lockdep.h Arend van Spriel

Backports Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/backports/0 backports/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 backports backports/ https://lore.kernel.org/backports \
		backports@vger.kernel.org backports@archiver.kernel.org
	public-inbox-index backports


Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.backports


AGPL code for this site: git clone https://public-inbox.org/ public-inbox