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authorThomas Zimmermann <tzimmermann@suse.de>2025-06-11 09:01:34 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2025-06-11 09:01:34 +0200
commitc598d5eb9fb331ba17bc9ad67ae9a2231ca5aca5 (patch)
treea5b6f4655cde4f19b6b157aa455723c0329bd719 /lib/find_bit.c
parent29a9b3a504c0d18bcc7f0547371409e9dcbc045e (diff)
parent19272b37aa4f83ca52bdf9c16d5d81bdd1354494 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to forward to v6.16-rc1 Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'lib/find_bit.c')
-rw-r--r--lib/find_bit.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/find_bit.c b/lib/find_bit.c
index 0836bb3d76c5..06b6342aa3ae 100644
--- a/lib/find_bit.c
+++ b/lib/find_bit.c
@@ -117,6 +117,17 @@ EXPORT_SYMBOL(_find_first_and_bit);
#endif
/*
+ * Find the first bit set in 1st memory region and unset in 2nd.
+ */
+unsigned long _find_first_andnot_bit(const unsigned long *addr1,
+ const unsigned long *addr2,
+ unsigned long size)
+{
+ return FIND_FIRST_BIT(addr1[idx] & ~addr2[idx], /* nop */, size);
+}
+EXPORT_SYMBOL(_find_first_andnot_bit);
+
+/*
* Find the first set bit in three memory regions.
*/
unsigned long _find_first_and_and_bit(const unsigned long *addr1,