linux-kernel - [patch V4 17/30] x86/microcode: Clean up mc_cpu_down

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Message-ID: <20231002115903.028651784@linutronix.de>
Date:   Mon,  2 Oct 2023 13:59:55 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Borislav Petkov <bp@...en8.de>,
        "Chang S. Bae" <chang.seok.bae@...el.com>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        Nikolay Borisov <nik.borisov@...e.com>
Subject: [patch V4 17/30] x86/microcode: Clean up mc_cpu_down_prep()

This function has nothing to do with suspend. It's a hotplug
callback. Remove the bogus comment.

Drop the pointless debug printk. The hotplug core provides tracepoints
which track the invocation of those callbacks.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
V2: New patch
---
 arch/x86/kernel/cpu/microcode/core.c |    8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -527,16 +527,10 @@ static int mc_cpu_online(unsigned int cp
 
 static int mc_cpu_down_prep(unsigned int cpu)
 {
-	struct device *dev;
-
-	dev = get_cpu_device(cpu);
+	struct device *dev = get_cpu_device(cpu);
 
 	microcode_fini_cpu(cpu);
-
-	/* Suspend is in progress, only remove the interface */
 	sysfs_remove_group(&dev->kobj, &mc_attr_group);
-	pr_debug("%s: CPU%d\n", __func__, cpu);
-
 	return 0;
 }