linux-kernel - [tip: x86/microcode] x86/microcode: Clean up mc_cpu_down

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Message-ID: <169685458938.3135.206662791860103089.tip-bot2@tip-bot2>
Date:   Mon, 09 Oct 2023 12:29:49 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        "Borislav Petkov (AMD)" <bp@...en8.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/microcode] x86/microcode: Clean up mc_cpu_down_prep()

The following commit has been merged into the x86/microcode branch of tip:

Commit-ID:     75d0be07daa201cd283e00d09eb27b30c0b0261e
Gitweb:        https://git.kernel.org/tip/75d0be07daa201cd283e00d09eb27b30c0b0261e
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Mon, 02 Oct 2023 13:59:55 +02:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Fri, 06 Oct 2023 15:12:23 +02:00

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>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20231002115903.028651784@linutronix.de
---
 arch/x86/kernel/cpu/microcode/core.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 17b7578..0038126 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -536,16 +536,10 @@ static int mc_cpu_online(unsigned int cpu)
 
 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;
 }