linux-kernel - [tip: core/rcu] rcu: Don't include <linux/ktime.h> in rcutiny.h

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Date:   Wed, 28 Aug 2019 18:56:12 -0000
From:   "tip-bot2 for Christoph Hellwig" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Christoph Hellwig <hch@....de>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>,
        linux-kernel@...r.kernel.org
Subject: [tip: core/rcu] rcu: Don't include <linux/ktime.h> in rcutiny.h

The following commit has been merged into the core/rcu branch of tip:

Commit-ID:     24691069a348f82a95e0fa9697bb5656c6d8c48c
Gitweb:        https://git.kernel.org/tip/24691069a348f82a95e0fa9697bb5656c6d8c48c
Author:        Christoph Hellwig <hch@....de>
AuthorDate:    Thu, 22 Aug 2019 10:53:43 +09:00
Committer:     Paul E. McKenney <paulmck@...ux.ibm.com>
CommitterDate: Mon, 26 Aug 2019 16:27:01 -07:00

rcu: Don't include <linux/ktime.h> in rcutiny.h

The kbuild reported a built failure due to a header loop when RCUTINY is
enabled with my pending riscv-nommu port.  Switch rcutiny.h to only
include the minimal required header to get HZ instead.

Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Paul E. McKenney <paulmck@...ux.ibm.com>
---
 include/linux/rcutiny.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index 8e727f5..9bf1dfe 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -12,7 +12,7 @@
 #ifndef __LINUX_TINY_H
 #define __LINUX_TINY_H
 
-#include <linux/ktime.h>
+#include <asm/param.h> /* for HZ */
 
 /* Never flag non-existent other CPUs! */
 static inline bool rcu_eqs_special_set(int cpu) { return false; }