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Message-Id: <20180618081213.996459185@linuxfoundation.org>
Date:   Mon, 18 Jun 2018 10:13:34 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Rich Felker <dalias@...c.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 118/189] sh: fix build failure for J2 cpu with SMP disabled

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Rich Felker <dalias@...c.org>

[ Upstream commit 6cb465972c4eb6741b3094a58a65e527fc63c100 ]

The sh asm/smp.h defines a fallback hard_smp_processor_id macro for
the !SMP case, but linux/smp.h never includes asm/smp.h in the !SMP
case.

Signed-off-by: Rich Felker <dalias@...c.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/sh/kernel/cpu/sh2/probe.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -43,7 +43,11 @@ void __ref cpu_probe(void)
 #endif
 
 #if defined(CONFIG_CPU_J2)
+#if defined(CONFIG_SMP)
 	unsigned cpu = hard_smp_processor_id();
+#else
+	unsigned cpu = 0;
+#endif
 	if (cpu == 0) of_scan_flat_dt(scan_cache, NULL);
 	if (j2_ccr_base) __raw_writel(0x80000303, j2_ccr_base + 4*cpu);
 	if (cpu != 0) return;


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