linux-kernel - [tip:x86/urgent] x86/microcode: Announce reload operation's completion

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Date:   Thu, 21 Mar 2019 04:31:08 -0700
From:   tip-bot for Borislav Petkov <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     bp@...e.de, hpa@...or.com, mingo@...nel.org,
        linux-kernel@...r.kernel.org, tglx@...utronix.de
Subject: [tip:x86/urgent] x86/microcode: Announce reload operation's
 completion

Commit-ID:  9bd681251b7c1db1c6cfe29a72c5ea1b1c0ba022
Gitweb:     https://git.kernel.org/tip/9bd681251b7c1db1c6cfe29a72c5ea1b1c0ba022
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Wed, 13 Mar 2019 12:00:22 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Thu, 21 Mar 2019 12:24:39 +0100

x86/microcode: Announce reload operation's completion

By popular demand, issue a single line to dmesg after the reload
operation completes to let the user know that a reload has at least been
attempted.

Signed-off-by: Borislav Petkov <bp@...e.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lkml.kernel.org/r/20190313110022.8229-1-bp@alien8.de

---
 arch/x86/kernel/cpu/microcode/core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 97f9ada9ceda..5260185cbf7b 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -608,6 +608,8 @@ static int microcode_reload_late(void)
 	if (ret > 0)
 		microcode_check();
 
+	pr_info("Reload completed, microcode revision: 0x%x\n", boot_cpu_data.microcode);
+
 	return ret;
 }