From: Abel Vesa <abelvesa@linux.com>
To: Thomas Gleixner <tglx@linutronix.de>,
Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Brendan Jackman <brendan.jackman@arm.com>,
Arnd Bergmann <arnd@arndb.de>,
linux-kernel@vger.kernel.org
Subject: [PATCH] cpu/hotplug: Non-SMP machines do not make use of booted_once
Date: Wed, 15 Aug 2018 00:26:00 +0300 [thread overview]
Message-ID: <20180814212600.19132-1-abelvesa@linux.com> (raw)
Following commit breaks the non-SMP builds.
[0cc3cd21657be04cb0] cpu/hotplug: Boot HT siblings at least once
Signed-off-by: Abel Vesa <abelvesa@linux.com>
---
kernel/cpu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 099fb20cd7be..f06c513c5c42 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -2272,6 +2272,8 @@ void __init boot_cpu_init(void)
*/
void __init boot_cpu_hotplug_init(void)
{
+#ifdef CONFIG_SMP
this_cpu_write(cpuhp_state.booted_once, true);
+#endif
this_cpu_write(cpuhp_state.state, CPUHP_ONLINE);
}
--
2.18.0
next reply other threads:[~2018-08-14 21:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-14 21:26 Abel Vesa [this message]
2018-08-14 21:43 ` [PATCH] cpu/hotplug: Non-SMP machines do not make use of booted_once Linus Torvalds
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