From 7fc26327b75685f37f58d64bdb061460f834f80d Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Wed, 27 May 2015 11:09:36 +0930
Subject: [PATCH] seqlock: Introduce raw_read_seqcount_latch()

Because with latches there is a strict data dependency on the seq load
we can avoid the rmb in favour of a read_barrier_depends.

Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Reading git-format-patch failed