The patch titled
Subject: seqlock: fix raw_read_seqcount_latch()
has been added to the -mm tree. Its filename is
seqlock-fix-raw_read_seqcount_latch.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/seqlock-fix-raw_read_seqcount_latch.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/seqlock-fix-raw_read_seqcount_latch.patch
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: seqlock: fix raw_read_seqcount_latch()
lockless_dereference() is supposed to take pointer not integer.
Link: http://lkml.kernel.org/r/20160521201448.GA7429@xxxxxxxxxxxxxxx
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/seqlock.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN include/linux/seqlock.h~seqlock-fix-raw_read_seqcount_latch include/linux/seqlock.h
--- a/include/linux/seqlock.h~seqlock-fix-raw_read_seqcount_latch
+++ a/include/linux/seqlock.h
@@ -277,7 +277,7 @@ static inline void raw_write_seqcount_ba
static inline int raw_read_seqcount_latch(seqcount_t *s)
{
- return lockless_dereference(s->sequence);
+ return lockless_dereference(s)->sequence;
}
/**
@@ -331,7 +331,7 @@ static inline int raw_read_seqcount_latc
* unsigned seq, idx;
*
* do {
- * seq = lockless_dereference(latch->seq);
+ * seq = lockless_dereference(latch)->seq;
*
* idx = seq & 0x01;
* entry = data_query(latch->data[idx], ...);
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
seqlock-fix-raw_read_seqcount_latch.patch
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