linux-kernel - [RESEND PATCH v4 2/2] cpuhp: Set cpuhp target for boot cpu

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Message-Id: <20220915153751.2123654-3-pauld@redhat.com>
Date:   Thu, 15 Sep 2022 11:37:51 -0400
From:   Phil Auld <pauld@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Valentin Schneider <vschneid@...hat.com>,
        Steven Price <steven.price@....com>,
        Mark Rutland <mark.rutland@....com>,
        Frederic Weisbecker <frederic@...nel.org>
Subject: [RESEND PATCH v4 2/2] cpuhp: Set cpuhp target for boot cpu

Since the boot cpu does not go through the hotplug process it ends
up with state == CPUHP_ONLINE but target == CPUHP_OFFLINE.
So set the target to match in boot_cpu_hotplug_init().

Signed-off-by: Phil Auld <pauld@...hat.com>
Reviewed-by: Valentin Schneider <vschneid@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: "Peter Zijlstra (Intel)" <peterz@...radead.org>
Cc: Steven Price <steven.price@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Frederic Weisbecker <frederic@...nel.org>

---
 kernel/cpu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index 979de993f853..3f704a8896b0 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -2690,6 +2690,7 @@ void __init boot_cpu_hotplug_init(void)
 	cpumask_set_cpu(smp_processor_id(), &cpus_booted_once_mask);
 #endif
 	this_cpu_write(cpuhp_state.state, CPUHP_ONLINE);
+	this_cpu_write(cpuhp_state.target, CPUHP_ONLINE);
 }
 
 /*
-- 
2.31.1