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Message-ID: <20240905122020.872466-19-ubizjak@gmail.com>
Date: Thu,  5 Sep 2024 14:17:26 +0200
From: Uros Bizjak <ubizjak@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Uros Bizjak <ubizjak@...il.com>,
	"Theodore Ts'o" <tytso@....edu>,
	"Jason A. Donenfeld" <Jason@...c4.com>,
	Kent Overstreet <kent.overstreet@...ux.dev>
Subject: [PATCH 18/18] prandom: Include <linux/percpu.h>

<linux/percpu.h> include was removed in d9f29deb7fe8 ("prandom:
Remove unused include") from prandom.h because this inclusion
broke arm64 due to a circular dependency on include files. Previous
patches resolved this issue.

__percpu tag is currently defined in include/linux/compiler_types.h,
so there is no direct need for the inclusion of <linux/percpu.h>.
However, in [1] we would like to repurpose __percpu tag as a named
address space qualifier, where __percpu macro uses defines from
<linux/percpu.h>.

This patch is basically a full revert of d9f29deb7fe8
("prandom: Remove unused include").

[1] https://lore.kernel.org/lkml/20240812115945.484051-4-ubizjak@gmail.com/

Signed-off-by: Uros Bizjak <ubizjak@...il.com>
Cc: "Theodore Ts'o" <tytso@....edu>
Cc: "Jason A. Donenfeld" <Jason@...c4.com>
Cc: Kent Overstreet <kent.overstreet@...ux.dev>
---
 include/linux/prandom.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/prandom.h b/include/linux/prandom.h
index f7f1e5251c67..f2ed5b72b3d6 100644
--- a/include/linux/prandom.h
+++ b/include/linux/prandom.h
@@ -10,6 +10,7 @@
 
 #include <linux/types.h>
 #include <linux/once.h>
+#include <linux/percpu.h>
 #include <linux/random.h>
 
 struct rnd_state {
-- 
2.46.0


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